diff --git a/BUILD b/BUILD
index 62f0e1d2c5660e4b3cd39d944e46b5f0787cd0a8..0a188a82d37a585cf71b1b7f46e9f2bc89ab61e3 100644
--- a/BUILD
+++ b/BUILD
@@ -35,8 +35,12 @@ exports_files(["LICENSE"])
package(default_visibility = ["//visibility:public"])
-load("//bazel:grpc_build_system.bzl", "grpc_cc_library",
- "grpc_proto_plugin", "grpc_cc_libraries")
+load(
+ "//bazel:grpc_build_system.bzl",
+ "grpc_cc_library",
+ "grpc_proto_plugin",
+ "grpc_cc_libraries",
+)
# This should be updated along with build.yaml
g_stands_for = "gregarious"
@@ -55,10 +59,19 @@ grpc_cc_library(
)
grpc_cc_libraries(
- name_list = ["grpc", "grpc_unsecure",],
srcs = [
"src/core/lib/surface/init.c",
],
+ additional_dep_list = [
+ [
+ "grpc_secure",
+ "grpc_resolver_dns_ares",
+ "grpc_lb_policy_grpclb_secure",
+ "grpc_transport_chttp2_client_secure",
+ "grpc_transport_chttp2_server_secure",
+ ],
+ [],
+ ],
additional_src_list = [
[
"src/core/plugin_registry/grpc_plugin_registry.c",
@@ -69,30 +82,24 @@ grpc_cc_libraries(
],
],
language = "c",
+ name_list = [
+ "grpc",
+ "grpc_unsecure",
+ ],
standalone = True,
deps = [
"census",
"grpc_base",
+ "grpc_deadline_filter",
"grpc_lb_policy_pick_first",
"grpc_lb_policy_round_robin",
"grpc_load_reporting",
"grpc_max_age_filter",
+ "grpc_message_size_filter",
"grpc_resolver_dns_native",
"grpc_resolver_sockaddr",
"grpc_transport_chttp2_client_insecure",
"grpc_transport_chttp2_server_insecure",
- "grpc_message_size_filter",
- "grpc_deadline_filter",
- ],
- additional_dep_list = [
- [
- "grpc_secure",
- "grpc_resolver_dns_ares",
- "grpc_lb_policy_grpclb_secure",
- "grpc_transport_chttp2_client_secure",
- "grpc_transport_chttp2_server_secure",
- ],
- [],
],
)
@@ -105,9 +112,9 @@ grpc_cc_library(
language = "c",
deps = [
"grpc_base",
+ "grpc_http_filters",
"grpc_transport_chttp2_client_secure",
"grpc_transport_cronet_client_secure",
- "grpc_http_filters",
],
)
@@ -373,13 +380,13 @@ grpc_cc_library(
hdrs = [
"src/core/lib/profiling/timers.h",
"src/core/lib/support/arena.h",
+ "src/core/lib/support/atomic.h",
+ "src/core/lib/support/atomic_with_atm.h",
+ "src/core/lib/support/atomic_with_std.h",
"src/core/lib/support/backoff.h",
"src/core/lib/support/block_annotate.h",
"src/core/lib/support/env.h",
"src/core/lib/support/memory.h",
- "src/core/lib/support/atomic.h",
- "src/core/lib/support/atomic_with_atm.h",
- "src/core/lib/support/atomic_with_std.h",
"src/core/lib/support/mpscq.h",
"src/core/lib/support/murmur_hash.h",
"src/core/lib/support/spinlock.h",
@@ -442,6 +449,13 @@ grpc_cc_library(
],
)
+grpc_cc_library(
+ name = "grpc_trace",
+ srcs = ["src/core/lib/debug/trace.c"],
+ hdrs = ["src/core/lib/debug/trace.h"],
+ deps = [":gpr"],
+)
+
grpc_cc_library(
name = "grpc_base",
srcs = [
@@ -454,7 +468,6 @@ grpc_cc_library(
"src/core/lib/channel/handshaker_registry.c",
"src/core/lib/compression/compression.c",
"src/core/lib/compression/message_compress.c",
- "src/core/lib/debug/trace.c",
"src/core/lib/http/format_request.c",
"src/core/lib/http/httpcli.c",
"src/core/lib/http/parser.c",
@@ -465,7 +478,12 @@ grpc_cc_library(
"src/core/lib/iomgr/endpoint_pair_uv.c",
"src/core/lib/iomgr/endpoint_pair_windows.c",
"src/core/lib/iomgr/error.c",
- "src/core/lib/iomgr/ev_epoll_linux.c",
+ "src/core/lib/iomgr/ev_epoll1_linux.c",
+ "src/core/lib/iomgr/ev_epollsig_linux.c",
+ "src/core/lib/iomgr/ev_epollex_linux.c",
+ "src/core/lib/iomgr/is_epollexclusive_available.c",
+ "src/core/lib/iomgr/ev_epoll_thread_pool_linux.c",
+ "src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c",
"src/core/lib/iomgr/ev_poll_posix.c",
"src/core/lib/iomgr/ev_posix.c",
"src/core/lib/iomgr/exec_ctx.c",
@@ -510,6 +528,7 @@ grpc_cc_library(
"src/core/lib/iomgr/tcp_windows.c",
"src/core/lib/iomgr/time_averaged_stats.c",
"src/core/lib/iomgr/timer_generic.c",
+ "src/core/lib/iomgr/timer_manager.c",
"src/core/lib/iomgr/timer_heap.c",
"src/core/lib/iomgr/timer_uv.c",
"src/core/lib/iomgr/udp_server.c",
@@ -577,7 +596,6 @@ grpc_cc_library(
"src/core/lib/channel/handshaker_registry.h",
"src/core/lib/compression/algorithm_metadata.h",
"src/core/lib/compression/message_compress.h",
- "src/core/lib/debug/trace.h",
"src/core/lib/http/format_request.h",
"src/core/lib/http/httpcli.h",
"src/core/lib/http/parser.h",
@@ -587,7 +605,13 @@ grpc_cc_library(
"src/core/lib/iomgr/endpoint_pair.h",
"src/core/lib/iomgr/error.h",
"src/core/lib/iomgr/error_internal.h",
- "src/core/lib/iomgr/ev_epoll_linux.h",
+ "src/core/lib/iomgr/ev_epoll1_linux.h",
+ "src/core/lib/iomgr/ev_epollsig_linux.h",
+ "src/core/lib/iomgr/ev_epollex_linux.h",
+ "src/core/lib/iomgr/is_epollexclusive_available.h",
+ "src/core/lib/iomgr/sys_epoll_wrapper.h",
+ "src/core/lib/iomgr/ev_epoll_thread_pool_linux.h",
+ "src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h",
"src/core/lib/iomgr/ev_poll_posix.h",
"src/core/lib/iomgr/ev_posix.h",
"src/core/lib/iomgr/exec_ctx.h",
@@ -627,6 +651,7 @@ grpc_cc_library(
"src/core/lib/iomgr/time_averaged_stats.h",
"src/core/lib/iomgr/timer.h",
"src/core/lib/iomgr/timer_generic.h",
+ "src/core/lib/iomgr/timer_manager.h",
"src/core/lib/iomgr/timer_heap.h",
"src/core/lib/iomgr/timer_uv.h",
"src/core/lib/iomgr/udp_server.h",
@@ -693,6 +718,7 @@ grpc_cc_library(
deps = [
"gpr_base",
"grpc_codegen",
+ "grpc_trace",
],
)
@@ -791,16 +817,16 @@ grpc_cc_library(
grpc_cc_library(
name = "grpc_http_filters",
- hdrs = [
- "src/core/ext/filters/http/message_compress/message_compress_filter.h",
- "src/core/ext/filters/http/client/http_client_filter.h",
- "src/core/ext/filters/http/server/http_server_filter.h",
- ],
srcs = [
- "src/core/ext/filters/http/message_compress/message_compress_filter.c",
"src/core/ext/filters/http/client/http_client_filter.c",
+ "src/core/ext/filters/http/http_filters_plugin.c",
+ "src/core/ext/filters/http/message_compress/message_compress_filter.c",
"src/core/ext/filters/http/server/http_server_filter.c",
- "src/core/ext/filters/http/http_filters_plugin.c"
+ ],
+ hdrs = [
+ "src/core/ext/filters/http/client/http_client_filter.h",
+ "src/core/ext/filters/http/message_compress/message_compress_filter.h",
+ "src/core/ext/filters/http/server/http_server_filter.h",
],
language = "c",
deps = [
@@ -1077,8 +1103,8 @@ grpc_cc_library(
language = "c",
deps = [
"grpc_base",
- "grpc_transport_chttp2_alpn",
"grpc_http_filters",
+ "grpc_transport_chttp2_alpn",
],
)
@@ -1230,15 +1256,11 @@ grpc_cc_library(
language = "c",
deps = [
"gpr",
+ "grpc_trace",
],
)
grpc_cc_libraries(
- name_list = ["grpc++_base", "grpc++_base_unsecure"],
- additional_dep_list = [
- ["grpc", ],
- ["grpc_unsecure", ],
- ],
srcs = [
"src/cpp/client/channel_cc.cc",
"src/cpp/client/client_context.cc",
@@ -1273,7 +1295,7 @@ grpc_cc_libraries(
"src/cpp/util/status.cc",
"src/cpp/util/string_ref.cc",
"src/cpp/util/time_cc.cc",
- ],
+ ],
hdrs = [
"src/cpp/client/create_channel_internal.h",
"src/cpp/common/channel_filter.h",
@@ -1282,8 +1304,16 @@ grpc_cc_libraries(
"src/cpp/server/health/health.pb.h",
"src/cpp/server/thread_pool_interface.h",
"src/cpp/thread_manager/thread_manager.h",
- ],
+ ],
+ additional_dep_list = [
+ ["grpc"],
+ ["grpc_unsecure"],
+ ],
language = "c++",
+ name_list = [
+ "grpc++_base",
+ "grpc++_base_unsecure",
+ ],
public_hdrs = [
"include/grpc++/alarm.h",
"include/grpc++/channel.h",
@@ -1332,7 +1362,7 @@ grpc_cc_libraries(
"include/grpc++/support/stub_options.h",
"include/grpc++/support/sync_stream.h",
"include/grpc++/support/time.h",
- ],
+ ],
deps = [
"grpc++_codegen_base",
],
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f6c5f9e56d5c1b9cc71e5d011cc4723d96290636..93f83939b9c6d2e0799472991b0ba68125844440 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -347,6 +347,7 @@ add_custom_target(plugins
add_custom_target(tools_c
DEPENDS
+ check_epollexclusive
gen_hpack_tables
gen_legal_metadata_characters
gen_percent_encoding_tables
@@ -392,7 +393,7 @@ endif()
add_dependencies(buildtests_c endpoint_pair_test)
add_dependencies(buildtests_c error_test)
if(_gRPC_PLATFORM_LINUX)
-add_dependencies(buildtests_c ev_epoll_linux_test)
+add_dependencies(buildtests_c ev_epollsig_linux_test)
endif()
add_dependencies(buildtests_c fake_resolver_test)
if(_gRPC_PLATFORM_LINUX OR _gRPC_PLATFORM_MAC OR _gRPC_PLATFORM_POSIX)
@@ -927,7 +928,6 @@ add_library(grpc
src/core/lib/channel/handshaker_registry.c
src/core/lib/compression/compression.c
src/core/lib/compression/message_compress.c
- src/core/lib/debug/trace.c
src/core/lib/http/format_request.c
src/core/lib/http/httpcli.c
src/core/lib/http/parser.c
@@ -938,7 +938,11 @@ add_library(grpc
src/core/lib/iomgr/endpoint_pair_uv.c
src/core/lib/iomgr/endpoint_pair_windows.c
src/core/lib/iomgr/error.c
- src/core/lib/iomgr/ev_epoll_linux.c
+ src/core/lib/iomgr/ev_epoll1_linux.c
+ src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
+ src/core/lib/iomgr/ev_epoll_thread_pool_linux.c
+ src/core/lib/iomgr/ev_epollex_linux.c
+ src/core/lib/iomgr/ev_epollsig_linux.c
src/core/lib/iomgr/ev_poll_posix.c
src/core/lib/iomgr/ev_posix.c
src/core/lib/iomgr/exec_ctx.c
@@ -948,6 +952,7 @@ add_library(grpc
src/core/lib/iomgr/iomgr_posix.c
src/core/lib/iomgr/iomgr_uv.c
src/core/lib/iomgr/iomgr_windows.c
+ src/core/lib/iomgr/is_epollexclusive_available.c
src/core/lib/iomgr/load_file.c
src/core/lib/iomgr/lockfree_event.c
src/core/lib/iomgr/network_status_tracker.c
@@ -984,6 +989,7 @@ add_library(grpc
src/core/lib/iomgr/time_averaged_stats.c
src/core/lib/iomgr/timer_generic.c
src/core/lib/iomgr/timer_heap.c
+ src/core/lib/iomgr/timer_manager.c
src/core/lib/iomgr/timer_uv.c
src/core/lib/iomgr/udp_server.c
src/core/lib/iomgr/unix_sockets_posix.c
@@ -1038,6 +1044,7 @@ add_library(grpc
src/core/lib/transport/timeout_encoding.c
src/core/lib/transport/transport.c
src/core/lib/transport/transport_op_string.c
+ src/core/lib/debug/trace.c
src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c
src/core/ext/transport/chttp2/transport/bin_decoder.c
src/core/ext/transport/chttp2/transport/bin_encoder.c
@@ -1255,7 +1262,6 @@ add_library(grpc_cronet
src/core/lib/channel/handshaker_registry.c
src/core/lib/compression/compression.c
src/core/lib/compression/message_compress.c
- src/core/lib/debug/trace.c
src/core/lib/http/format_request.c
src/core/lib/http/httpcli.c
src/core/lib/http/parser.c
@@ -1266,7 +1272,11 @@ add_library(grpc_cronet
src/core/lib/iomgr/endpoint_pair_uv.c
src/core/lib/iomgr/endpoint_pair_windows.c
src/core/lib/iomgr/error.c
- src/core/lib/iomgr/ev_epoll_linux.c
+ src/core/lib/iomgr/ev_epoll1_linux.c
+ src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
+ src/core/lib/iomgr/ev_epoll_thread_pool_linux.c
+ src/core/lib/iomgr/ev_epollex_linux.c
+ src/core/lib/iomgr/ev_epollsig_linux.c
src/core/lib/iomgr/ev_poll_posix.c
src/core/lib/iomgr/ev_posix.c
src/core/lib/iomgr/exec_ctx.c
@@ -1276,6 +1286,7 @@ add_library(grpc_cronet
src/core/lib/iomgr/iomgr_posix.c
src/core/lib/iomgr/iomgr_uv.c
src/core/lib/iomgr/iomgr_windows.c
+ src/core/lib/iomgr/is_epollexclusive_available.c
src/core/lib/iomgr/load_file.c
src/core/lib/iomgr/lockfree_event.c
src/core/lib/iomgr/network_status_tracker.c
@@ -1312,6 +1323,7 @@ add_library(grpc_cronet
src/core/lib/iomgr/time_averaged_stats.c
src/core/lib/iomgr/timer_generic.c
src/core/lib/iomgr/timer_heap.c
+ src/core/lib/iomgr/timer_manager.c
src/core/lib/iomgr/timer_uv.c
src/core/lib/iomgr/udp_server.c
src/core/lib/iomgr/unix_sockets_posix.c
@@ -1366,6 +1378,7 @@ add_library(grpc_cronet
src/core/lib/transport/timeout_encoding.c
src/core/lib/transport/transport.c
src/core/lib/transport/transport_op_string.c
+ src/core/lib/debug/trace.c
src/core/ext/transport/cronet/client/secure/cronet_channel_create.c
src/core/ext/transport/cronet/transport/cronet_api_dummy.c
src/core/ext/transport/cronet/transport/cronet_transport.c
@@ -1566,7 +1579,6 @@ add_library(grpc_test_util
src/core/lib/channel/handshaker_registry.c
src/core/lib/compression/compression.c
src/core/lib/compression/message_compress.c
- src/core/lib/debug/trace.c
src/core/lib/http/format_request.c
src/core/lib/http/httpcli.c
src/core/lib/http/parser.c
@@ -1577,7 +1589,11 @@ add_library(grpc_test_util
src/core/lib/iomgr/endpoint_pair_uv.c
src/core/lib/iomgr/endpoint_pair_windows.c
src/core/lib/iomgr/error.c
- src/core/lib/iomgr/ev_epoll_linux.c
+ src/core/lib/iomgr/ev_epoll1_linux.c
+ src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
+ src/core/lib/iomgr/ev_epoll_thread_pool_linux.c
+ src/core/lib/iomgr/ev_epollex_linux.c
+ src/core/lib/iomgr/ev_epollsig_linux.c
src/core/lib/iomgr/ev_poll_posix.c
src/core/lib/iomgr/ev_posix.c
src/core/lib/iomgr/exec_ctx.c
@@ -1587,6 +1603,7 @@ add_library(grpc_test_util
src/core/lib/iomgr/iomgr_posix.c
src/core/lib/iomgr/iomgr_uv.c
src/core/lib/iomgr/iomgr_windows.c
+ src/core/lib/iomgr/is_epollexclusive_available.c
src/core/lib/iomgr/load_file.c
src/core/lib/iomgr/lockfree_event.c
src/core/lib/iomgr/network_status_tracker.c
@@ -1623,6 +1640,7 @@ add_library(grpc_test_util
src/core/lib/iomgr/time_averaged_stats.c
src/core/lib/iomgr/timer_generic.c
src/core/lib/iomgr/timer_heap.c
+ src/core/lib/iomgr/timer_manager.c
src/core/lib/iomgr/timer_uv.c
src/core/lib/iomgr/udp_server.c
src/core/lib/iomgr/unix_sockets_posix.c
@@ -1677,6 +1695,7 @@ add_library(grpc_test_util
src/core/lib/transport/timeout_encoding.c
src/core/lib/transport/transport.c
src/core/lib/transport/transport_op_string.c
+ src/core/lib/debug/trace.c
)
if(WIN32 AND MSVC)
@@ -1822,7 +1841,6 @@ add_library(grpc_unsecure
src/core/lib/channel/handshaker_registry.c
src/core/lib/compression/compression.c
src/core/lib/compression/message_compress.c
- src/core/lib/debug/trace.c
src/core/lib/http/format_request.c
src/core/lib/http/httpcli.c
src/core/lib/http/parser.c
@@ -1833,7 +1851,11 @@ add_library(grpc_unsecure
src/core/lib/iomgr/endpoint_pair_uv.c
src/core/lib/iomgr/endpoint_pair_windows.c
src/core/lib/iomgr/error.c
- src/core/lib/iomgr/ev_epoll_linux.c
+ src/core/lib/iomgr/ev_epoll1_linux.c
+ src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
+ src/core/lib/iomgr/ev_epoll_thread_pool_linux.c
+ src/core/lib/iomgr/ev_epollex_linux.c
+ src/core/lib/iomgr/ev_epollsig_linux.c
src/core/lib/iomgr/ev_poll_posix.c
src/core/lib/iomgr/ev_posix.c
src/core/lib/iomgr/exec_ctx.c
@@ -1843,6 +1865,7 @@ add_library(grpc_unsecure
src/core/lib/iomgr/iomgr_posix.c
src/core/lib/iomgr/iomgr_uv.c
src/core/lib/iomgr/iomgr_windows.c
+ src/core/lib/iomgr/is_epollexclusive_available.c
src/core/lib/iomgr/load_file.c
src/core/lib/iomgr/lockfree_event.c
src/core/lib/iomgr/network_status_tracker.c
@@ -1879,6 +1902,7 @@ add_library(grpc_unsecure
src/core/lib/iomgr/time_averaged_stats.c
src/core/lib/iomgr/timer_generic.c
src/core/lib/iomgr/timer_heap.c
+ src/core/lib/iomgr/timer_manager.c
src/core/lib/iomgr/timer_uv.c
src/core/lib/iomgr/udp_server.c
src/core/lib/iomgr/unix_sockets_posix.c
@@ -1933,6 +1957,7 @@ add_library(grpc_unsecure
src/core/lib/transport/timeout_encoding.c
src/core/lib/transport/transport.c
src/core/lib/transport/transport_op_string.c
+ src/core/lib/debug/trace.c
src/core/ext/transport/chttp2/server/insecure/server_chttp2.c
src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c
src/core/ext/transport/chttp2/transport/bin_decoder.c
@@ -2243,7 +2268,6 @@ add_library(grpc++
src/core/lib/channel/handshaker_registry.c
src/core/lib/compression/compression.c
src/core/lib/compression/message_compress.c
- src/core/lib/debug/trace.c
src/core/lib/http/format_request.c
src/core/lib/http/httpcli.c
src/core/lib/http/parser.c
@@ -2254,7 +2278,11 @@ add_library(grpc++
src/core/lib/iomgr/endpoint_pair_uv.c
src/core/lib/iomgr/endpoint_pair_windows.c
src/core/lib/iomgr/error.c
- src/core/lib/iomgr/ev_epoll_linux.c
+ src/core/lib/iomgr/ev_epoll1_linux.c
+ src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
+ src/core/lib/iomgr/ev_epoll_thread_pool_linux.c
+ src/core/lib/iomgr/ev_epollex_linux.c
+ src/core/lib/iomgr/ev_epollsig_linux.c
src/core/lib/iomgr/ev_poll_posix.c
src/core/lib/iomgr/ev_posix.c
src/core/lib/iomgr/exec_ctx.c
@@ -2264,6 +2292,7 @@ add_library(grpc++
src/core/lib/iomgr/iomgr_posix.c
src/core/lib/iomgr/iomgr_uv.c
src/core/lib/iomgr/iomgr_windows.c
+ src/core/lib/iomgr/is_epollexclusive_available.c
src/core/lib/iomgr/load_file.c
src/core/lib/iomgr/lockfree_event.c
src/core/lib/iomgr/network_status_tracker.c
@@ -2300,6 +2329,7 @@ add_library(grpc++
src/core/lib/iomgr/time_averaged_stats.c
src/core/lib/iomgr/timer_generic.c
src/core/lib/iomgr/timer_heap.c
+ src/core/lib/iomgr/timer_manager.c
src/core/lib/iomgr/timer_uv.c
src/core/lib/iomgr/udp_server.c
src/core/lib/iomgr/unix_sockets_posix.c
@@ -2354,6 +2384,7 @@ add_library(grpc++
src/core/lib/transport/timeout_encoding.c
src/core/lib/transport/transport.c
src/core/lib/transport/transport_op_string.c
+ src/core/lib/debug/trace.c
third_party/nanopb/pb_common.c
third_party/nanopb/pb_decode.c
third_party/nanopb/pb_encode.c
@@ -2568,7 +2599,6 @@ add_library(grpc++_cronet
src/core/lib/channel/handshaker_registry.c
src/core/lib/compression/compression.c
src/core/lib/compression/message_compress.c
- src/core/lib/debug/trace.c
src/core/lib/http/format_request.c
src/core/lib/http/httpcli.c
src/core/lib/http/parser.c
@@ -2579,7 +2609,11 @@ add_library(grpc++_cronet
src/core/lib/iomgr/endpoint_pair_uv.c
src/core/lib/iomgr/endpoint_pair_windows.c
src/core/lib/iomgr/error.c
- src/core/lib/iomgr/ev_epoll_linux.c
+ src/core/lib/iomgr/ev_epoll1_linux.c
+ src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
+ src/core/lib/iomgr/ev_epoll_thread_pool_linux.c
+ src/core/lib/iomgr/ev_epollex_linux.c
+ src/core/lib/iomgr/ev_epollsig_linux.c
src/core/lib/iomgr/ev_poll_posix.c
src/core/lib/iomgr/ev_posix.c
src/core/lib/iomgr/exec_ctx.c
@@ -2589,6 +2623,7 @@ add_library(grpc++_cronet
src/core/lib/iomgr/iomgr_posix.c
src/core/lib/iomgr/iomgr_uv.c
src/core/lib/iomgr/iomgr_windows.c
+ src/core/lib/iomgr/is_epollexclusive_available.c
src/core/lib/iomgr/load_file.c
src/core/lib/iomgr/lockfree_event.c
src/core/lib/iomgr/network_status_tracker.c
@@ -2625,6 +2660,7 @@ add_library(grpc++_cronet
src/core/lib/iomgr/time_averaged_stats.c
src/core/lib/iomgr/timer_generic.c
src/core/lib/iomgr/timer_heap.c
+ src/core/lib/iomgr/timer_manager.c
src/core/lib/iomgr/timer_uv.c
src/core/lib/iomgr/udp_server.c
src/core/lib/iomgr/unix_sockets_posix.c
@@ -2679,6 +2715,7 @@ add_library(grpc++_cronet
src/core/lib/transport/timeout_encoding.c
src/core/lib/transport/transport.c
src/core/lib/transport/transport_op_string.c
+ src/core/lib/debug/trace.c
third_party/nanopb/pb_common.c
third_party/nanopb/pb_decode.c
third_party/nanopb/pb_encode.c
@@ -3337,7 +3374,6 @@ add_library(grpc++_unsecure
src/core/lib/channel/handshaker_registry.c
src/core/lib/compression/compression.c
src/core/lib/compression/message_compress.c
- src/core/lib/debug/trace.c
src/core/lib/http/format_request.c
src/core/lib/http/httpcli.c
src/core/lib/http/parser.c
@@ -3348,7 +3384,11 @@ add_library(grpc++_unsecure
src/core/lib/iomgr/endpoint_pair_uv.c
src/core/lib/iomgr/endpoint_pair_windows.c
src/core/lib/iomgr/error.c
- src/core/lib/iomgr/ev_epoll_linux.c
+ src/core/lib/iomgr/ev_epoll1_linux.c
+ src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
+ src/core/lib/iomgr/ev_epoll_thread_pool_linux.c
+ src/core/lib/iomgr/ev_epollex_linux.c
+ src/core/lib/iomgr/ev_epollsig_linux.c
src/core/lib/iomgr/ev_poll_posix.c
src/core/lib/iomgr/ev_posix.c
src/core/lib/iomgr/exec_ctx.c
@@ -3358,6 +3398,7 @@ add_library(grpc++_unsecure
src/core/lib/iomgr/iomgr_posix.c
src/core/lib/iomgr/iomgr_uv.c
src/core/lib/iomgr/iomgr_windows.c
+ src/core/lib/iomgr/is_epollexclusive_available.c
src/core/lib/iomgr/load_file.c
src/core/lib/iomgr/lockfree_event.c
src/core/lib/iomgr/network_status_tracker.c
@@ -3394,6 +3435,7 @@ add_library(grpc++_unsecure
src/core/lib/iomgr/time_averaged_stats.c
src/core/lib/iomgr/timer_generic.c
src/core/lib/iomgr/timer_heap.c
+ src/core/lib/iomgr/timer_manager.c
src/core/lib/iomgr/timer_uv.c
src/core/lib/iomgr/udp_server.c
src/core/lib/iomgr/unix_sockets_posix.c
@@ -3448,6 +3490,7 @@ add_library(grpc++_unsecure
src/core/lib/transport/timeout_encoding.c
src/core/lib/transport/transport.c
src/core/lib/transport/transport_op_string.c
+ src/core/lib/debug/trace.c
third_party/nanopb/pb_common.c
third_party/nanopb/pb_decode.c
third_party/nanopb/pb_encode.c
@@ -5070,6 +5113,42 @@ target_link_libraries(channel_create_test
)
endif (gRPC_BUILD_TESTS)
+
+add_executable(check_epollexclusive
+ test/build/check_epollexclusive.c
+)
+
+
+target_include_directories(check_epollexclusive
+ PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
+ PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include
+ PRIVATE ${BORINGSSL_ROOT_DIR}/include
+ PRIVATE ${PROTOBUF_ROOT_DIR}/src
+ PRIVATE ${BENCHMARK_ROOT_DIR}/include
+ PRIVATE ${ZLIB_ROOT_DIR}
+ PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/third_party/zlib
+ PRIVATE ${CARES_BUILD_INCLUDE_DIR}
+ PRIVATE ${CARES_INCLUDE_DIR}
+ PRIVATE ${CARES_PLATFORM_INCLUDE_DIR}
+ PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/third_party/cares/cares
+ PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/third_party/gflags/include
+)
+
+target_link_libraries(check_epollexclusive
+ ${_gRPC_ALLTARGETS_LIBRARIES}
+ grpc
+ gpr
+)
+
+
+if (gRPC_INSTALL)
+ install(TARGETS check_epollexclusive EXPORT gRPCTargets
+ RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+ LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+ ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+ )
+endif()
+
if (gRPC_BUILD_TESTS)
add_executable(chttp2_hpack_encoder_test
@@ -5447,12 +5526,12 @@ endif (gRPC_BUILD_TESTS)
if (gRPC_BUILD_TESTS)
if(_gRPC_PLATFORM_LINUX)
-add_executable(ev_epoll_linux_test
- test/core/iomgr/ev_epoll_linux_test.c
+add_executable(ev_epollsig_linux_test
+ test/core/iomgr/ev_epollsig_linux_test.c
)
-target_include_directories(ev_epoll_linux_test
+target_include_directories(ev_epollsig_linux_test
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include
PRIVATE ${BORINGSSL_ROOT_DIR}/include
@@ -5467,7 +5546,7 @@ target_include_directories(ev_epoll_linux_test
PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/third_party/gflags/include
)
-target_link_libraries(ev_epoll_linux_test
+target_link_libraries(ev_epollsig_linux_test
${_gRPC_ALLTARGETS_LIBRARIES}
grpc_test_util
grpc
diff --git a/Makefile b/Makefile
index 1a8ee553ca3c14f30533cb7fd2dc0f960b6af06a..5a5617e3c3026a00273fbfb32f15fea7bb853ada 100644
--- a/Makefile
+++ b/Makefile
@@ -308,10 +308,6 @@ else
TMPOUT = `mktemp /tmp/test-out-XXXXXX`
endif
-# Detect if we can use C++11
-CXX11_CHECK_CMD = $(CXX) -std=c++11 -o $(TMPOUT) -c test/build/c++11.cc
-HAS_CXX11 = $(shell $(CXX11_CHECK_CMD) 2> /dev/null && echo true || echo false)
-
CHECK_SHADOW_WORKS_CMD = $(CC) -std=c99 -Werror -Wshadow -o $(TMPOUT) -c test/build/shadow.c
HAS_WORKING_SHADOW = $(shell $(CHECK_SHADOW_WORKS_CMD) 2> /dev/null && echo true || echo false)
ifeq ($(HAS_WORKING_SHADOW),true)
@@ -342,11 +338,7 @@ HOST_LD ?= $(LD)
HOST_LDXX ?= $(LDXX)
CFLAGS += -std=c99 -Wsign-conversion -Wconversion $(W_SHADOW) $(W_EXTRA_SEMI)
-ifeq ($(HAS_CXX11),true)
CXXFLAGS += -std=c++11
-else
-CXXFLAGS += -std=c++0x
-endif
CPPFLAGS += -g -Wall -Wextra -Werror -Wno-long-long -Wno-unused-parameter -DOSATOMIC_USE_INLINED=1
LDFLAGS += -g
@@ -978,6 +970,7 @@ census_context_test: $(BINDIR)/$(CONFIG)/census_context_test
census_resource_test: $(BINDIR)/$(CONFIG)/census_resource_test
census_trace_context_test: $(BINDIR)/$(CONFIG)/census_trace_context_test
channel_create_test: $(BINDIR)/$(CONFIG)/channel_create_test
+check_epollexclusive: $(BINDIR)/$(CONFIG)/check_epollexclusive
chttp2_hpack_encoder_test: $(BINDIR)/$(CONFIG)/chttp2_hpack_encoder_test
chttp2_stream_map_test: $(BINDIR)/$(CONFIG)/chttp2_stream_map_test
chttp2_varint_test: $(BINDIR)/$(CONFIG)/chttp2_varint_test
@@ -991,7 +984,7 @@ dns_resolver_test: $(BINDIR)/$(CONFIG)/dns_resolver_test
dualstack_socket_test: $(BINDIR)/$(CONFIG)/dualstack_socket_test
endpoint_pair_test: $(BINDIR)/$(CONFIG)/endpoint_pair_test
error_test: $(BINDIR)/$(CONFIG)/error_test
-ev_epoll_linux_test: $(BINDIR)/$(CONFIG)/ev_epoll_linux_test
+ev_epollsig_linux_test: $(BINDIR)/$(CONFIG)/ev_epollsig_linux_test
fake_resolver_test: $(BINDIR)/$(CONFIG)/fake_resolver_test
fd_conservation_posix_test: $(BINDIR)/$(CONFIG)/fd_conservation_posix_test
fd_posix_test: $(BINDIR)/$(CONFIG)/fd_posix_test
@@ -1380,7 +1373,7 @@ buildtests_c: privatelibs_c \
$(BINDIR)/$(CONFIG)/dualstack_socket_test \
$(BINDIR)/$(CONFIG)/endpoint_pair_test \
$(BINDIR)/$(CONFIG)/error_test \
- $(BINDIR)/$(CONFIG)/ev_epoll_linux_test \
+ $(BINDIR)/$(CONFIG)/ev_epollsig_linux_test \
$(BINDIR)/$(CONFIG)/fake_resolver_test \
$(BINDIR)/$(CONFIG)/fd_conservation_posix_test \
$(BINDIR)/$(CONFIG)/fd_posix_test \
@@ -1796,8 +1789,8 @@ test_c: buildtests_c
$(Q) $(BINDIR)/$(CONFIG)/endpoint_pair_test || ( echo test endpoint_pair_test failed ; exit 1 )
$(E) "[RUN] Testing error_test"
$(Q) $(BINDIR)/$(CONFIG)/error_test || ( echo test error_test failed ; exit 1 )
- $(E) "[RUN] Testing ev_epoll_linux_test"
- $(Q) $(BINDIR)/$(CONFIG)/ev_epoll_linux_test || ( echo test ev_epoll_linux_test failed ; exit 1 )
+ $(E) "[RUN] Testing ev_epollsig_linux_test"
+ $(Q) $(BINDIR)/$(CONFIG)/ev_epollsig_linux_test || ( echo test ev_epollsig_linux_test failed ; exit 1 )
$(E) "[RUN] Testing fake_resolver_test"
$(Q) $(BINDIR)/$(CONFIG)/fake_resolver_test || ( echo test fake_resolver_test failed ; exit 1 )
$(E) "[RUN] Testing fd_conservation_posix_test"
@@ -2145,7 +2138,7 @@ test_python: static_c
tools: tools_c tools_cxx
-tools_c: privatelibs_c $(BINDIR)/$(CONFIG)/gen_hpack_tables $(BINDIR)/$(CONFIG)/gen_legal_metadata_characters $(BINDIR)/$(CONFIG)/gen_percent_encoding_tables $(BINDIR)/$(CONFIG)/grpc_create_jwt $(BINDIR)/$(CONFIG)/grpc_print_google_default_creds_token $(BINDIR)/$(CONFIG)/grpc_verify_jwt
+tools_c: privatelibs_c $(BINDIR)/$(CONFIG)/check_epollexclusive $(BINDIR)/$(CONFIG)/gen_hpack_tables $(BINDIR)/$(CONFIG)/gen_legal_metadata_characters $(BINDIR)/$(CONFIG)/gen_percent_encoding_tables $(BINDIR)/$(CONFIG)/grpc_create_jwt $(BINDIR)/$(CONFIG)/grpc_print_google_default_creds_token $(BINDIR)/$(CONFIG)/grpc_verify_jwt
tools_cxx: privatelibs_cxx
@@ -2910,7 +2903,6 @@ LIBGRPC_SRC = \
src/core/lib/channel/handshaker_registry.c \
src/core/lib/compression/compression.c \
src/core/lib/compression/message_compress.c \
- src/core/lib/debug/trace.c \
src/core/lib/http/format_request.c \
src/core/lib/http/httpcli.c \
src/core/lib/http/parser.c \
@@ -2921,7 +2913,11 @@ LIBGRPC_SRC = \
src/core/lib/iomgr/endpoint_pair_uv.c \
src/core/lib/iomgr/endpoint_pair_windows.c \
src/core/lib/iomgr/error.c \
- src/core/lib/iomgr/ev_epoll_linux.c \
+ src/core/lib/iomgr/ev_epoll1_linux.c \
+ src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
+ src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
+ src/core/lib/iomgr/ev_epollex_linux.c \
+ src/core/lib/iomgr/ev_epollsig_linux.c \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_posix.c \
src/core/lib/iomgr/exec_ctx.c \
@@ -2931,6 +2927,7 @@ LIBGRPC_SRC = \
src/core/lib/iomgr/iomgr_posix.c \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+ src/core/lib/iomgr/is_epollexclusive_available.c \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/lockfree_event.c \
src/core/lib/iomgr/network_status_tracker.c \
@@ -2967,6 +2964,7 @@ LIBGRPC_SRC = \
src/core/lib/iomgr/time_averaged_stats.c \
src/core/lib/iomgr/timer_generic.c \
src/core/lib/iomgr/timer_heap.c \
+ src/core/lib/iomgr/timer_manager.c \
src/core/lib/iomgr/timer_uv.c \
src/core/lib/iomgr/udp_server.c \
src/core/lib/iomgr/unix_sockets_posix.c \
@@ -3021,6 +3019,7 @@ LIBGRPC_SRC = \
src/core/lib/transport/timeout_encoding.c \
src/core/lib/transport/transport.c \
src/core/lib/transport/transport_op_string.c \
+ src/core/lib/debug/trace.c \
src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c \
src/core/ext/transport/chttp2/transport/bin_decoder.c \
src/core/ext/transport/chttp2/transport/bin_encoder.c \
@@ -3236,7 +3235,6 @@ LIBGRPC_CRONET_SRC = \
src/core/lib/channel/handshaker_registry.c \
src/core/lib/compression/compression.c \
src/core/lib/compression/message_compress.c \
- src/core/lib/debug/trace.c \
src/core/lib/http/format_request.c \
src/core/lib/http/httpcli.c \
src/core/lib/http/parser.c \
@@ -3247,7 +3245,11 @@ LIBGRPC_CRONET_SRC = \
src/core/lib/iomgr/endpoint_pair_uv.c \
src/core/lib/iomgr/endpoint_pair_windows.c \
src/core/lib/iomgr/error.c \
- src/core/lib/iomgr/ev_epoll_linux.c \
+ src/core/lib/iomgr/ev_epoll1_linux.c \
+ src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
+ src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
+ src/core/lib/iomgr/ev_epollex_linux.c \
+ src/core/lib/iomgr/ev_epollsig_linux.c \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_posix.c \
src/core/lib/iomgr/exec_ctx.c \
@@ -3257,6 +3259,7 @@ LIBGRPC_CRONET_SRC = \
src/core/lib/iomgr/iomgr_posix.c \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+ src/core/lib/iomgr/is_epollexclusive_available.c \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/lockfree_event.c \
src/core/lib/iomgr/network_status_tracker.c \
@@ -3293,6 +3296,7 @@ LIBGRPC_CRONET_SRC = \
src/core/lib/iomgr/time_averaged_stats.c \
src/core/lib/iomgr/timer_generic.c \
src/core/lib/iomgr/timer_heap.c \
+ src/core/lib/iomgr/timer_manager.c \
src/core/lib/iomgr/timer_uv.c \
src/core/lib/iomgr/udp_server.c \
src/core/lib/iomgr/unix_sockets_posix.c \
@@ -3347,6 +3351,7 @@ LIBGRPC_CRONET_SRC = \
src/core/lib/transport/timeout_encoding.c \
src/core/lib/transport/transport.c \
src/core/lib/transport/transport_op_string.c \
+ src/core/lib/debug/trace.c \
src/core/ext/transport/cronet/client/secure/cronet_channel_create.c \
src/core/ext/transport/cronet/transport/cronet_api_dummy.c \
src/core/ext/transport/cronet/transport/cronet_transport.c \
@@ -3546,7 +3551,6 @@ LIBGRPC_TEST_UTIL_SRC = \
src/core/lib/channel/handshaker_registry.c \
src/core/lib/compression/compression.c \
src/core/lib/compression/message_compress.c \
- src/core/lib/debug/trace.c \
src/core/lib/http/format_request.c \
src/core/lib/http/httpcli.c \
src/core/lib/http/parser.c \
@@ -3557,7 +3561,11 @@ LIBGRPC_TEST_UTIL_SRC = \
src/core/lib/iomgr/endpoint_pair_uv.c \
src/core/lib/iomgr/endpoint_pair_windows.c \
src/core/lib/iomgr/error.c \
- src/core/lib/iomgr/ev_epoll_linux.c \
+ src/core/lib/iomgr/ev_epoll1_linux.c \
+ src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
+ src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
+ src/core/lib/iomgr/ev_epollex_linux.c \
+ src/core/lib/iomgr/ev_epollsig_linux.c \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_posix.c \
src/core/lib/iomgr/exec_ctx.c \
@@ -3567,6 +3575,7 @@ LIBGRPC_TEST_UTIL_SRC = \
src/core/lib/iomgr/iomgr_posix.c \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+ src/core/lib/iomgr/is_epollexclusive_available.c \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/lockfree_event.c \
src/core/lib/iomgr/network_status_tracker.c \
@@ -3603,6 +3612,7 @@ LIBGRPC_TEST_UTIL_SRC = \
src/core/lib/iomgr/time_averaged_stats.c \
src/core/lib/iomgr/timer_generic.c \
src/core/lib/iomgr/timer_heap.c \
+ src/core/lib/iomgr/timer_manager.c \
src/core/lib/iomgr/timer_uv.c \
src/core/lib/iomgr/udp_server.c \
src/core/lib/iomgr/unix_sockets_posix.c \
@@ -3657,6 +3667,7 @@ LIBGRPC_TEST_UTIL_SRC = \
src/core/lib/transport/timeout_encoding.c \
src/core/lib/transport/transport.c \
src/core/lib/transport/transport_op_string.c \
+ src/core/lib/debug/trace.c \
PUBLIC_HEADERS_C += \
include/grpc/byte_buffer.h \
@@ -3774,7 +3785,6 @@ LIBGRPC_UNSECURE_SRC = \
src/core/lib/channel/handshaker_registry.c \
src/core/lib/compression/compression.c \
src/core/lib/compression/message_compress.c \
- src/core/lib/debug/trace.c \
src/core/lib/http/format_request.c \
src/core/lib/http/httpcli.c \
src/core/lib/http/parser.c \
@@ -3785,7 +3795,11 @@ LIBGRPC_UNSECURE_SRC = \
src/core/lib/iomgr/endpoint_pair_uv.c \
src/core/lib/iomgr/endpoint_pair_windows.c \
src/core/lib/iomgr/error.c \
- src/core/lib/iomgr/ev_epoll_linux.c \
+ src/core/lib/iomgr/ev_epoll1_linux.c \
+ src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
+ src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
+ src/core/lib/iomgr/ev_epollex_linux.c \
+ src/core/lib/iomgr/ev_epollsig_linux.c \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_posix.c \
src/core/lib/iomgr/exec_ctx.c \
@@ -3795,6 +3809,7 @@ LIBGRPC_UNSECURE_SRC = \
src/core/lib/iomgr/iomgr_posix.c \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+ src/core/lib/iomgr/is_epollexclusive_available.c \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/lockfree_event.c \
src/core/lib/iomgr/network_status_tracker.c \
@@ -3831,6 +3846,7 @@ LIBGRPC_UNSECURE_SRC = \
src/core/lib/iomgr/time_averaged_stats.c \
src/core/lib/iomgr/timer_generic.c \
src/core/lib/iomgr/timer_heap.c \
+ src/core/lib/iomgr/timer_manager.c \
src/core/lib/iomgr/timer_uv.c \
src/core/lib/iomgr/udp_server.c \
src/core/lib/iomgr/unix_sockets_posix.c \
@@ -3885,6 +3901,7 @@ LIBGRPC_UNSECURE_SRC = \
src/core/lib/transport/timeout_encoding.c \
src/core/lib/transport/transport.c \
src/core/lib/transport/transport_op_string.c \
+ src/core/lib/debug/trace.c \
src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c \
src/core/ext/transport/chttp2/transport/bin_decoder.c \
@@ -4172,7 +4189,6 @@ LIBGRPC++_SRC = \
src/core/lib/channel/handshaker_registry.c \
src/core/lib/compression/compression.c \
src/core/lib/compression/message_compress.c \
- src/core/lib/debug/trace.c \
src/core/lib/http/format_request.c \
src/core/lib/http/httpcli.c \
src/core/lib/http/parser.c \
@@ -4183,7 +4199,11 @@ LIBGRPC++_SRC = \
src/core/lib/iomgr/endpoint_pair_uv.c \
src/core/lib/iomgr/endpoint_pair_windows.c \
src/core/lib/iomgr/error.c \
- src/core/lib/iomgr/ev_epoll_linux.c \
+ src/core/lib/iomgr/ev_epoll1_linux.c \
+ src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
+ src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
+ src/core/lib/iomgr/ev_epollex_linux.c \
+ src/core/lib/iomgr/ev_epollsig_linux.c \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_posix.c \
src/core/lib/iomgr/exec_ctx.c \
@@ -4193,6 +4213,7 @@ LIBGRPC++_SRC = \
src/core/lib/iomgr/iomgr_posix.c \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+ src/core/lib/iomgr/is_epollexclusive_available.c \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/lockfree_event.c \
src/core/lib/iomgr/network_status_tracker.c \
@@ -4229,6 +4250,7 @@ LIBGRPC++_SRC = \
src/core/lib/iomgr/time_averaged_stats.c \
src/core/lib/iomgr/timer_generic.c \
src/core/lib/iomgr/timer_heap.c \
+ src/core/lib/iomgr/timer_manager.c \
src/core/lib/iomgr/timer_uv.c \
src/core/lib/iomgr/udp_server.c \
src/core/lib/iomgr/unix_sockets_posix.c \
@@ -4283,6 +4305,7 @@ LIBGRPC++_SRC = \
src/core/lib/transport/timeout_encoding.c \
src/core/lib/transport/transport.c \
src/core/lib/transport/transport_op_string.c \
+ src/core/lib/debug/trace.c \
third_party/nanopb/pb_common.c \
third_party/nanopb/pb_decode.c \
third_party/nanopb/pb_encode.c \
@@ -4505,7 +4528,6 @@ LIBGRPC++_CRONET_SRC = \
src/core/lib/channel/handshaker_registry.c \
src/core/lib/compression/compression.c \
src/core/lib/compression/message_compress.c \
- src/core/lib/debug/trace.c \
src/core/lib/http/format_request.c \
src/core/lib/http/httpcli.c \
src/core/lib/http/parser.c \
@@ -4516,7 +4538,11 @@ LIBGRPC++_CRONET_SRC = \
src/core/lib/iomgr/endpoint_pair_uv.c \
src/core/lib/iomgr/endpoint_pair_windows.c \
src/core/lib/iomgr/error.c \
- src/core/lib/iomgr/ev_epoll_linux.c \
+ src/core/lib/iomgr/ev_epoll1_linux.c \
+ src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
+ src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
+ src/core/lib/iomgr/ev_epollex_linux.c \
+ src/core/lib/iomgr/ev_epollsig_linux.c \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_posix.c \
src/core/lib/iomgr/exec_ctx.c \
@@ -4526,6 +4552,7 @@ LIBGRPC++_CRONET_SRC = \
src/core/lib/iomgr/iomgr_posix.c \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+ src/core/lib/iomgr/is_epollexclusive_available.c \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/lockfree_event.c \
src/core/lib/iomgr/network_status_tracker.c \
@@ -4562,6 +4589,7 @@ LIBGRPC++_CRONET_SRC = \
src/core/lib/iomgr/time_averaged_stats.c \
src/core/lib/iomgr/timer_generic.c \
src/core/lib/iomgr/timer_heap.c \
+ src/core/lib/iomgr/timer_manager.c \
src/core/lib/iomgr/timer_uv.c \
src/core/lib/iomgr/udp_server.c \
src/core/lib/iomgr/unix_sockets_posix.c \
@@ -4616,6 +4644,7 @@ LIBGRPC++_CRONET_SRC = \
src/core/lib/transport/timeout_encoding.c \
src/core/lib/transport/transport.c \
src/core/lib/transport/transport_op_string.c \
+ src/core/lib/debug/trace.c \
third_party/nanopb/pb_common.c \
third_party/nanopb/pb_decode.c \
third_party/nanopb/pb_encode.c \
@@ -5264,7 +5293,6 @@ LIBGRPC++_UNSECURE_SRC = \
src/core/lib/channel/handshaker_registry.c \
src/core/lib/compression/compression.c \
src/core/lib/compression/message_compress.c \
- src/core/lib/debug/trace.c \
src/core/lib/http/format_request.c \
src/core/lib/http/httpcli.c \
src/core/lib/http/parser.c \
@@ -5275,7 +5303,11 @@ LIBGRPC++_UNSECURE_SRC = \
src/core/lib/iomgr/endpoint_pair_uv.c \
src/core/lib/iomgr/endpoint_pair_windows.c \
src/core/lib/iomgr/error.c \
- src/core/lib/iomgr/ev_epoll_linux.c \
+ src/core/lib/iomgr/ev_epoll1_linux.c \
+ src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
+ src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
+ src/core/lib/iomgr/ev_epollex_linux.c \
+ src/core/lib/iomgr/ev_epollsig_linux.c \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_posix.c \
src/core/lib/iomgr/exec_ctx.c \
@@ -5285,6 +5317,7 @@ LIBGRPC++_UNSECURE_SRC = \
src/core/lib/iomgr/iomgr_posix.c \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+ src/core/lib/iomgr/is_epollexclusive_available.c \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/lockfree_event.c \
src/core/lib/iomgr/network_status_tracker.c \
@@ -5321,6 +5354,7 @@ LIBGRPC++_UNSECURE_SRC = \
src/core/lib/iomgr/time_averaged_stats.c \
src/core/lib/iomgr/timer_generic.c \
src/core/lib/iomgr/timer_heap.c \
+ src/core/lib/iomgr/timer_manager.c \
src/core/lib/iomgr/timer_uv.c \
src/core/lib/iomgr/udp_server.c \
src/core/lib/iomgr/unix_sockets_posix.c \
@@ -5375,6 +5409,7 @@ LIBGRPC++_UNSECURE_SRC = \
src/core/lib/transport/timeout_encoding.c \
src/core/lib/transport/transport.c \
src/core/lib/transport/transport_op_string.c \
+ src/core/lib/debug/trace.c \
third_party/nanopb/pb_common.c \
third_party/nanopb/pb_decode.c \
third_party/nanopb/pb_encode.c \
@@ -9000,6 +9035,38 @@ endif
endif
+CHECK_EPOLLEXCLUSIVE_SRC = \
+ test/build/check_epollexclusive.c \
+
+CHECK_EPOLLEXCLUSIVE_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CHECK_EPOLLEXCLUSIVE_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/check_epollexclusive: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/check_epollexclusive: $(CHECK_EPOLLEXCLUSIVE_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+ $(E) "[LD] Linking $@"
+ $(Q) mkdir -p `dirname $@`
+ $(Q) $(LD) $(LDFLAGS) $(CHECK_EPOLLEXCLUSIVE_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/check_epollexclusive
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/build/check_epollexclusive.o: $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_check_epollexclusive: $(CHECK_EPOLLEXCLUSIVE_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CHECK_EPOLLEXCLUSIVE_OBJS:.o=.dep)
+endif
+endif
+
+
CHTTP2_HPACK_ENCODER_TEST_SRC = \
test/core/transport/chttp2/hpack_encoder_test.c \
@@ -9416,34 +9483,34 @@ endif
endif
-EV_EPOLL_LINUX_TEST_SRC = \
- test/core/iomgr/ev_epoll_linux_test.c \
+EV_EPOLLSIG_LINUX_TEST_SRC = \
+ test/core/iomgr/ev_epollsig_linux_test.c \
-EV_EPOLL_LINUX_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(EV_EPOLL_LINUX_TEST_SRC))))
+EV_EPOLLSIG_LINUX_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(EV_EPOLLSIG_LINUX_TEST_SRC))))
ifeq ($(NO_SECURE),true)
# You can't build secure targets if you don't have OpenSSL.
-$(BINDIR)/$(CONFIG)/ev_epoll_linux_test: openssl_dep_error
+$(BINDIR)/$(CONFIG)/ev_epollsig_linux_test: openssl_dep_error
else
-$(BINDIR)/$(CONFIG)/ev_epoll_linux_test: $(EV_EPOLL_LINUX_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/ev_epollsig_linux_test: $(EV_EPOLLSIG_LINUX_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
$(E) "[LD] Linking $@"
$(Q) mkdir -p `dirname $@`
- $(Q) $(LD) $(LDFLAGS) $(EV_EPOLL_LINUX_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/ev_epoll_linux_test
+ $(Q) $(LD) $(LDFLAGS) $(EV_EPOLLSIG_LINUX_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/ev_epollsig_linux_test
endif
-$(OBJDIR)/$(CONFIG)/test/core/iomgr/ev_epoll_linux_test.o: $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/iomgr/ev_epollsig_linux_test.o: $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-deps_ev_epoll_linux_test: $(EV_EPOLL_LINUX_TEST_OBJS:.o=.dep)
+deps_ev_epollsig_linux_test: $(EV_EPOLLSIG_LINUX_TEST_OBJS:.o=.dep)
ifneq ($(NO_SECURE),true)
ifneq ($(NO_DEPS),true)
--include $(EV_EPOLL_LINUX_TEST_OBJS:.o=.dep)
+-include $(EV_EPOLLSIG_LINUX_TEST_OBJS:.o=.dep)
endif
endif
diff --git a/binding.gyp b/binding.gyp
index c8dd5c1cfdde7d5a6aeb99eb92b9d5690673987b..c47cd00440541b599db13b3e5ee2a67d0bf9025d 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -663,7 +663,6 @@
'src/core/lib/channel/handshaker_registry.c',
'src/core/lib/compression/compression.c',
'src/core/lib/compression/message_compress.c',
- 'src/core/lib/debug/trace.c',
'src/core/lib/http/format_request.c',
'src/core/lib/http/httpcli.c',
'src/core/lib/http/parser.c',
@@ -674,7 +673,11 @@
'src/core/lib/iomgr/endpoint_pair_uv.c',
'src/core/lib/iomgr/endpoint_pair_windows.c',
'src/core/lib/iomgr/error.c',
- 'src/core/lib/iomgr/ev_epoll_linux.c',
+ 'src/core/lib/iomgr/ev_epoll1_linux.c',
+ 'src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c',
+ 'src/core/lib/iomgr/ev_epoll_thread_pool_linux.c',
+ 'src/core/lib/iomgr/ev_epollex_linux.c',
+ 'src/core/lib/iomgr/ev_epollsig_linux.c',
'src/core/lib/iomgr/ev_poll_posix.c',
'src/core/lib/iomgr/ev_posix.c',
'src/core/lib/iomgr/exec_ctx.c',
@@ -684,6 +687,7 @@
'src/core/lib/iomgr/iomgr_posix.c',
'src/core/lib/iomgr/iomgr_uv.c',
'src/core/lib/iomgr/iomgr_windows.c',
+ 'src/core/lib/iomgr/is_epollexclusive_available.c',
'src/core/lib/iomgr/load_file.c',
'src/core/lib/iomgr/lockfree_event.c',
'src/core/lib/iomgr/network_status_tracker.c',
@@ -720,6 +724,7 @@
'src/core/lib/iomgr/time_averaged_stats.c',
'src/core/lib/iomgr/timer_generic.c',
'src/core/lib/iomgr/timer_heap.c',
+ 'src/core/lib/iomgr/timer_manager.c',
'src/core/lib/iomgr/timer_uv.c',
'src/core/lib/iomgr/udp_server.c',
'src/core/lib/iomgr/unix_sockets_posix.c',
@@ -774,6 +779,7 @@
'src/core/lib/transport/timeout_encoding.c',
'src/core/lib/transport/transport.c',
'src/core/lib/transport/transport_op_string.c',
+ 'src/core/lib/debug/trace.c',
'src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c',
'src/core/ext/transport/chttp2/transport/bin_decoder.c',
'src/core/ext/transport/chttp2/transport/bin_encoder.c',
diff --git a/build.yaml b/build.yaml
index 8408735254089101221886910e3c3c636157cb64..942b727c4fafd5e77541bb72d41ec5c83ee4b7ce 100644
--- a/build.yaml
+++ b/build.yaml
@@ -187,7 +187,6 @@ filegroups:
- src/core/lib/channel/handshaker_registry.h
- src/core/lib/compression/algorithm_metadata.h
- src/core/lib/compression/message_compress.h
- - src/core/lib/debug/trace.h
- src/core/lib/http/format_request.h
- src/core/lib/http/httpcli.h
- src/core/lib/http/parser.h
@@ -197,7 +196,11 @@ filegroups:
- src/core/lib/iomgr/endpoint_pair.h
- src/core/lib/iomgr/error.h
- src/core/lib/iomgr/error_internal.h
- - src/core/lib/iomgr/ev_epoll_linux.h
+ - src/core/lib/iomgr/ev_epoll1_linux.h
+ - src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h
+ - src/core/lib/iomgr/ev_epoll_thread_pool_linux.h
+ - src/core/lib/iomgr/ev_epollex_linux.h
+ - src/core/lib/iomgr/ev_epollsig_linux.h
- src/core/lib/iomgr/ev_poll_posix.h
- src/core/lib/iomgr/ev_posix.h
- src/core/lib/iomgr/exec_ctx.h
@@ -206,6 +209,7 @@ filegroups:
- src/core/lib/iomgr/iomgr.h
- src/core/lib/iomgr/iomgr_internal.h
- src/core/lib/iomgr/iomgr_posix.h
+ - src/core/lib/iomgr/is_epollexclusive_available.h
- src/core/lib/iomgr/load_file.h
- src/core/lib/iomgr/lockfree_event.h
- src/core/lib/iomgr/network_status_tracker.h
@@ -227,6 +231,7 @@ filegroups:
- src/core/lib/iomgr/socket_utils.h
- src/core/lib/iomgr/socket_utils_posix.h
- src/core/lib/iomgr/socket_windows.h
+ - src/core/lib/iomgr/sys_epoll_wrapper.h
- src/core/lib/iomgr/tcp_client.h
- src/core/lib/iomgr/tcp_client_posix.h
- src/core/lib/iomgr/tcp_posix.h
@@ -238,6 +243,7 @@ filegroups:
- src/core/lib/iomgr/timer.h
- src/core/lib/iomgr/timer_generic.h
- src/core/lib/iomgr/timer_heap.h
+ - src/core/lib/iomgr/timer_manager.h
- src/core/lib/iomgr/timer_uv.h
- src/core/lib/iomgr/udp_server.h
- src/core/lib/iomgr/unix_sockets_posix.h
@@ -293,7 +299,6 @@ filegroups:
- src/core/lib/channel/handshaker_registry.c
- src/core/lib/compression/compression.c
- src/core/lib/compression/message_compress.c
- - src/core/lib/debug/trace.c
- src/core/lib/http/format_request.c
- src/core/lib/http/httpcli.c
- src/core/lib/http/parser.c
@@ -304,7 +309,11 @@ filegroups:
- src/core/lib/iomgr/endpoint_pair_uv.c
- src/core/lib/iomgr/endpoint_pair_windows.c
- src/core/lib/iomgr/error.c
- - src/core/lib/iomgr/ev_epoll_linux.c
+ - src/core/lib/iomgr/ev_epoll1_linux.c
+ - src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
+ - src/core/lib/iomgr/ev_epoll_thread_pool_linux.c
+ - src/core/lib/iomgr/ev_epollex_linux.c
+ - src/core/lib/iomgr/ev_epollsig_linux.c
- src/core/lib/iomgr/ev_poll_posix.c
- src/core/lib/iomgr/ev_posix.c
- src/core/lib/iomgr/exec_ctx.c
@@ -314,6 +323,7 @@ filegroups:
- src/core/lib/iomgr/iomgr_posix.c
- src/core/lib/iomgr/iomgr_uv.c
- src/core/lib/iomgr/iomgr_windows.c
+ - src/core/lib/iomgr/is_epollexclusive_available.c
- src/core/lib/iomgr/load_file.c
- src/core/lib/iomgr/lockfree_event.c
- src/core/lib/iomgr/network_status_tracker.c
@@ -350,6 +360,7 @@ filegroups:
- src/core/lib/iomgr/time_averaged_stats.c
- src/core/lib/iomgr/timer_generic.c
- src/core/lib/iomgr/timer_heap.c
+ - src/core/lib/iomgr/timer_manager.c
- src/core/lib/iomgr/timer_uv.c
- src/core/lib/iomgr/udp_server.c
- src/core/lib/iomgr/unix_sockets_posix.c
@@ -408,6 +419,7 @@ filegroups:
- gpr
uses:
- grpc_codegen
+ - grpc_trace
- name: grpc_client_channel
headers:
- src/core/ext/filters/client_channel/client_channel.h
@@ -683,6 +695,13 @@ filegroups:
deps:
- grpc
- gpr_test_util
+- name: grpc_trace
+ headers:
+ - src/core/lib/debug/trace.h
+ src:
+ - src/core/lib/debug/trace.c
+ deps:
+ - gpr
- name: grpc_transport_chttp2
headers:
- src/core/ext/transport/chttp2/transport/bin_decoder.h
@@ -831,6 +850,8 @@ filegroups:
deps:
- gpr
secure: true
+ uses:
+ - grpc_trace
- name: grpc++_base
language: c++
public_headers:
@@ -1662,6 +1683,14 @@ targets:
- grpc
- gpr_test_util
- gpr
+- name: check_epollexclusive
+ build: tool
+ language: c
+ src:
+ - test/build/check_epollexclusive.c
+ deps:
+ - grpc
+ - gpr
- name: chttp2_hpack_encoder_test
build: test
language: c
@@ -1814,12 +1843,12 @@ targets:
- grpc
- gpr_test_util
- gpr
-- name: ev_epoll_linux_test
+- name: ev_epollsig_linux_test
cpu_cost: 3
build: test
language: c
src:
- - test/core/iomgr/ev_epoll_linux_test.c
+ - test/core/iomgr/ev_epollsig_linux_test.c
deps:
- grpc_test_util
- grpc
diff --git a/config.m4 b/config.m4
index 1c0c6d92fc404a07c2eb178bb8032dc5d5540e6b..99baebf266505d589f7a7d3b828bb51dddff828b 100644
--- a/config.m4
+++ b/config.m4
@@ -97,7 +97,6 @@ if test "$PHP_GRPC" != "no"; then
src/core/lib/channel/handshaker_registry.c \
src/core/lib/compression/compression.c \
src/core/lib/compression/message_compress.c \
- src/core/lib/debug/trace.c \
src/core/lib/http/format_request.c \
src/core/lib/http/httpcli.c \
src/core/lib/http/parser.c \
@@ -108,7 +107,11 @@ if test "$PHP_GRPC" != "no"; then
src/core/lib/iomgr/endpoint_pair_uv.c \
src/core/lib/iomgr/endpoint_pair_windows.c \
src/core/lib/iomgr/error.c \
- src/core/lib/iomgr/ev_epoll_linux.c \
+ src/core/lib/iomgr/ev_epoll1_linux.c \
+ src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
+ src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
+ src/core/lib/iomgr/ev_epollex_linux.c \
+ src/core/lib/iomgr/ev_epollsig_linux.c \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_posix.c \
src/core/lib/iomgr/exec_ctx.c \
@@ -118,6 +121,7 @@ if test "$PHP_GRPC" != "no"; then
src/core/lib/iomgr/iomgr_posix.c \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+ src/core/lib/iomgr/is_epollexclusive_available.c \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/lockfree_event.c \
src/core/lib/iomgr/network_status_tracker.c \
@@ -154,6 +158,7 @@ if test "$PHP_GRPC" != "no"; then
src/core/lib/iomgr/time_averaged_stats.c \
src/core/lib/iomgr/timer_generic.c \
src/core/lib/iomgr/timer_heap.c \
+ src/core/lib/iomgr/timer_manager.c \
src/core/lib/iomgr/timer_uv.c \
src/core/lib/iomgr/udp_server.c \
src/core/lib/iomgr/unix_sockets_posix.c \
@@ -208,6 +213,7 @@ if test "$PHP_GRPC" != "no"; then
src/core/lib/transport/timeout_encoding.c \
src/core/lib/transport/transport.c \
src/core/lib/transport/transport_op_string.c \
+ src/core/lib/debug/trace.c \
src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c \
src/core/ext/transport/chttp2/transport/bin_decoder.c \
src/core/ext/transport/chttp2/transport/bin_encoder.c \
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 241eba01dd2fca36cbca4c14268f369196079dae..a6c083dabd99b11b5168848c37cf46c30d159142 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -269,7 +269,6 @@ Pod::Spec.new do |s|
'src/core/lib/channel/handshaker_registry.h',
'src/core/lib/compression/algorithm_metadata.h',
'src/core/lib/compression/message_compress.h',
- 'src/core/lib/debug/trace.h',
'src/core/lib/http/format_request.h',
'src/core/lib/http/httpcli.h',
'src/core/lib/http/parser.h',
@@ -279,7 +278,11 @@ Pod::Spec.new do |s|
'src/core/lib/iomgr/endpoint_pair.h',
'src/core/lib/iomgr/error.h',
'src/core/lib/iomgr/error_internal.h',
- 'src/core/lib/iomgr/ev_epoll_linux.h',
+ 'src/core/lib/iomgr/ev_epoll1_linux.h',
+ 'src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h',
+ 'src/core/lib/iomgr/ev_epoll_thread_pool_linux.h',
+ 'src/core/lib/iomgr/ev_epollex_linux.h',
+ 'src/core/lib/iomgr/ev_epollsig_linux.h',
'src/core/lib/iomgr/ev_poll_posix.h',
'src/core/lib/iomgr/ev_posix.h',
'src/core/lib/iomgr/exec_ctx.h',
@@ -288,6 +291,7 @@ Pod::Spec.new do |s|
'src/core/lib/iomgr/iomgr.h',
'src/core/lib/iomgr/iomgr_internal.h',
'src/core/lib/iomgr/iomgr_posix.h',
+ 'src/core/lib/iomgr/is_epollexclusive_available.h',
'src/core/lib/iomgr/load_file.h',
'src/core/lib/iomgr/lockfree_event.h',
'src/core/lib/iomgr/network_status_tracker.h',
@@ -309,6 +313,7 @@ Pod::Spec.new do |s|
'src/core/lib/iomgr/socket_utils.h',
'src/core/lib/iomgr/socket_utils_posix.h',
'src/core/lib/iomgr/socket_windows.h',
+ 'src/core/lib/iomgr/sys_epoll_wrapper.h',
'src/core/lib/iomgr/tcp_client.h',
'src/core/lib/iomgr/tcp_client_posix.h',
'src/core/lib/iomgr/tcp_posix.h',
@@ -320,6 +325,7 @@ Pod::Spec.new do |s|
'src/core/lib/iomgr/timer.h',
'src/core/lib/iomgr/timer_generic.h',
'src/core/lib/iomgr/timer_heap.h',
+ 'src/core/lib/iomgr/timer_manager.h',
'src/core/lib/iomgr/timer_uv.h',
'src/core/lib/iomgr/udp_server.h',
'src/core/lib/iomgr/unix_sockets_posix.h',
@@ -365,6 +371,7 @@ Pod::Spec.new do |s|
'src/core/lib/transport/timeout_encoding.h',
'src/core/lib/transport/transport.h',
'src/core/lib/transport/transport_impl.h',
+ 'src/core/lib/debug/trace.h',
'src/core/ext/transport/chttp2/transport/bin_decoder.h',
'src/core/ext/transport/chttp2/transport/bin_encoder.h',
'src/core/ext/transport/chttp2/transport/chttp2_transport.h',
@@ -476,7 +483,6 @@ Pod::Spec.new do |s|
'src/core/lib/channel/handshaker_registry.c',
'src/core/lib/compression/compression.c',
'src/core/lib/compression/message_compress.c',
- 'src/core/lib/debug/trace.c',
'src/core/lib/http/format_request.c',
'src/core/lib/http/httpcli.c',
'src/core/lib/http/parser.c',
@@ -487,7 +493,11 @@ Pod::Spec.new do |s|
'src/core/lib/iomgr/endpoint_pair_uv.c',
'src/core/lib/iomgr/endpoint_pair_windows.c',
'src/core/lib/iomgr/error.c',
- 'src/core/lib/iomgr/ev_epoll_linux.c',
+ 'src/core/lib/iomgr/ev_epoll1_linux.c',
+ 'src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c',
+ 'src/core/lib/iomgr/ev_epoll_thread_pool_linux.c',
+ 'src/core/lib/iomgr/ev_epollex_linux.c',
+ 'src/core/lib/iomgr/ev_epollsig_linux.c',
'src/core/lib/iomgr/ev_poll_posix.c',
'src/core/lib/iomgr/ev_posix.c',
'src/core/lib/iomgr/exec_ctx.c',
@@ -497,6 +507,7 @@ Pod::Spec.new do |s|
'src/core/lib/iomgr/iomgr_posix.c',
'src/core/lib/iomgr/iomgr_uv.c',
'src/core/lib/iomgr/iomgr_windows.c',
+ 'src/core/lib/iomgr/is_epollexclusive_available.c',
'src/core/lib/iomgr/load_file.c',
'src/core/lib/iomgr/lockfree_event.c',
'src/core/lib/iomgr/network_status_tracker.c',
@@ -533,6 +544,7 @@ Pod::Spec.new do |s|
'src/core/lib/iomgr/time_averaged_stats.c',
'src/core/lib/iomgr/timer_generic.c',
'src/core/lib/iomgr/timer_heap.c',
+ 'src/core/lib/iomgr/timer_manager.c',
'src/core/lib/iomgr/timer_uv.c',
'src/core/lib/iomgr/udp_server.c',
'src/core/lib/iomgr/unix_sockets_posix.c',
@@ -587,6 +599,7 @@ Pod::Spec.new do |s|
'src/core/lib/transport/timeout_encoding.c',
'src/core/lib/transport/transport.c',
'src/core/lib/transport/transport_op_string.c',
+ 'src/core/lib/debug/trace.c',
'src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c',
'src/core/ext/transport/chttp2/transport/bin_decoder.c',
'src/core/ext/transport/chttp2/transport/bin_encoder.c',
@@ -734,7 +747,6 @@ Pod::Spec.new do |s|
'src/core/lib/channel/handshaker_registry.h',
'src/core/lib/compression/algorithm_metadata.h',
'src/core/lib/compression/message_compress.h',
- 'src/core/lib/debug/trace.h',
'src/core/lib/http/format_request.h',
'src/core/lib/http/httpcli.h',
'src/core/lib/http/parser.h',
@@ -744,7 +756,11 @@ Pod::Spec.new do |s|
'src/core/lib/iomgr/endpoint_pair.h',
'src/core/lib/iomgr/error.h',
'src/core/lib/iomgr/error_internal.h',
- 'src/core/lib/iomgr/ev_epoll_linux.h',
+ 'src/core/lib/iomgr/ev_epoll1_linux.h',
+ 'src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h',
+ 'src/core/lib/iomgr/ev_epoll_thread_pool_linux.h',
+ 'src/core/lib/iomgr/ev_epollex_linux.h',
+ 'src/core/lib/iomgr/ev_epollsig_linux.h',
'src/core/lib/iomgr/ev_poll_posix.h',
'src/core/lib/iomgr/ev_posix.h',
'src/core/lib/iomgr/exec_ctx.h',
@@ -753,6 +769,7 @@ Pod::Spec.new do |s|
'src/core/lib/iomgr/iomgr.h',
'src/core/lib/iomgr/iomgr_internal.h',
'src/core/lib/iomgr/iomgr_posix.h',
+ 'src/core/lib/iomgr/is_epollexclusive_available.h',
'src/core/lib/iomgr/load_file.h',
'src/core/lib/iomgr/lockfree_event.h',
'src/core/lib/iomgr/network_status_tracker.h',
@@ -774,6 +791,7 @@ Pod::Spec.new do |s|
'src/core/lib/iomgr/socket_utils.h',
'src/core/lib/iomgr/socket_utils_posix.h',
'src/core/lib/iomgr/socket_windows.h',
+ 'src/core/lib/iomgr/sys_epoll_wrapper.h',
'src/core/lib/iomgr/tcp_client.h',
'src/core/lib/iomgr/tcp_client_posix.h',
'src/core/lib/iomgr/tcp_posix.h',
@@ -785,6 +803,7 @@ Pod::Spec.new do |s|
'src/core/lib/iomgr/timer.h',
'src/core/lib/iomgr/timer_generic.h',
'src/core/lib/iomgr/timer_heap.h',
+ 'src/core/lib/iomgr/timer_manager.h',
'src/core/lib/iomgr/timer_uv.h',
'src/core/lib/iomgr/udp_server.h',
'src/core/lib/iomgr/unix_sockets_posix.h',
@@ -830,6 +849,7 @@ Pod::Spec.new do |s|
'src/core/lib/transport/timeout_encoding.h',
'src/core/lib/transport/transport.h',
'src/core/lib/transport/transport_impl.h',
+ 'src/core/lib/debug/trace.h',
'src/core/ext/transport/chttp2/transport/bin_decoder.h',
'src/core/ext/transport/chttp2/transport/bin_encoder.h',
'src/core/ext/transport/chttp2/transport/chttp2_transport.h',
diff --git a/grpc.gemspec b/grpc.gemspec
index b96f3cbab548e1d2a06a9352e9a532e98e948e1e..7fe4fe25790852f9b986789de19008d50ea3e885 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -185,7 +185,6 @@ Gem::Specification.new do |s|
s.files += %w( src/core/lib/channel/handshaker_registry.h )
s.files += %w( src/core/lib/compression/algorithm_metadata.h )
s.files += %w( src/core/lib/compression/message_compress.h )
- s.files += %w( src/core/lib/debug/trace.h )
s.files += %w( src/core/lib/http/format_request.h )
s.files += %w( src/core/lib/http/httpcli.h )
s.files += %w( src/core/lib/http/parser.h )
@@ -195,7 +194,11 @@ Gem::Specification.new do |s|
s.files += %w( src/core/lib/iomgr/endpoint_pair.h )
s.files += %w( src/core/lib/iomgr/error.h )
s.files += %w( src/core/lib/iomgr/error_internal.h )
- s.files += %w( src/core/lib/iomgr/ev_epoll_linux.h )
+ s.files += %w( src/core/lib/iomgr/ev_epoll1_linux.h )
+ s.files += %w( src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h )
+ s.files += %w( src/core/lib/iomgr/ev_epoll_thread_pool_linux.h )
+ s.files += %w( src/core/lib/iomgr/ev_epollex_linux.h )
+ s.files += %w( src/core/lib/iomgr/ev_epollsig_linux.h )
s.files += %w( src/core/lib/iomgr/ev_poll_posix.h )
s.files += %w( src/core/lib/iomgr/ev_posix.h )
s.files += %w( src/core/lib/iomgr/exec_ctx.h )
@@ -204,6 +207,7 @@ Gem::Specification.new do |s|
s.files += %w( src/core/lib/iomgr/iomgr.h )
s.files += %w( src/core/lib/iomgr/iomgr_internal.h )
s.files += %w( src/core/lib/iomgr/iomgr_posix.h )
+ s.files += %w( src/core/lib/iomgr/is_epollexclusive_available.h )
s.files += %w( src/core/lib/iomgr/load_file.h )
s.files += %w( src/core/lib/iomgr/lockfree_event.h )
s.files += %w( src/core/lib/iomgr/network_status_tracker.h )
@@ -225,6 +229,7 @@ Gem::Specification.new do |s|
s.files += %w( src/core/lib/iomgr/socket_utils.h )
s.files += %w( src/core/lib/iomgr/socket_utils_posix.h )
s.files += %w( src/core/lib/iomgr/socket_windows.h )
+ s.files += %w( src/core/lib/iomgr/sys_epoll_wrapper.h )
s.files += %w( src/core/lib/iomgr/tcp_client.h )
s.files += %w( src/core/lib/iomgr/tcp_client_posix.h )
s.files += %w( src/core/lib/iomgr/tcp_posix.h )
@@ -236,6 +241,7 @@ Gem::Specification.new do |s|
s.files += %w( src/core/lib/iomgr/timer.h )
s.files += %w( src/core/lib/iomgr/timer_generic.h )
s.files += %w( src/core/lib/iomgr/timer_heap.h )
+ s.files += %w( src/core/lib/iomgr/timer_manager.h )
s.files += %w( src/core/lib/iomgr/timer_uv.h )
s.files += %w( src/core/lib/iomgr/udp_server.h )
s.files += %w( src/core/lib/iomgr/unix_sockets_posix.h )
@@ -281,6 +287,7 @@ Gem::Specification.new do |s|
s.files += %w( src/core/lib/transport/timeout_encoding.h )
s.files += %w( src/core/lib/transport/transport.h )
s.files += %w( src/core/lib/transport/transport_impl.h )
+ s.files += %w( src/core/lib/debug/trace.h )
s.files += %w( src/core/ext/transport/chttp2/transport/bin_decoder.h )
s.files += %w( src/core/ext/transport/chttp2/transport/bin_encoder.h )
s.files += %w( src/core/ext/transport/chttp2/transport/chttp2_transport.h )
@@ -392,7 +399,6 @@ Gem::Specification.new do |s|
s.files += %w( src/core/lib/channel/handshaker_registry.c )
s.files += %w( src/core/lib/compression/compression.c )
s.files += %w( src/core/lib/compression/message_compress.c )
- s.files += %w( src/core/lib/debug/trace.c )
s.files += %w( src/core/lib/http/format_request.c )
s.files += %w( src/core/lib/http/httpcli.c )
s.files += %w( src/core/lib/http/parser.c )
@@ -403,7 +409,11 @@ Gem::Specification.new do |s|
s.files += %w( src/core/lib/iomgr/endpoint_pair_uv.c )
s.files += %w( src/core/lib/iomgr/endpoint_pair_windows.c )
s.files += %w( src/core/lib/iomgr/error.c )
- s.files += %w( src/core/lib/iomgr/ev_epoll_linux.c )
+ s.files += %w( src/core/lib/iomgr/ev_epoll1_linux.c )
+ s.files += %w( src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c )
+ s.files += %w( src/core/lib/iomgr/ev_epoll_thread_pool_linux.c )
+ s.files += %w( src/core/lib/iomgr/ev_epollex_linux.c )
+ s.files += %w( src/core/lib/iomgr/ev_epollsig_linux.c )
s.files += %w( src/core/lib/iomgr/ev_poll_posix.c )
s.files += %w( src/core/lib/iomgr/ev_posix.c )
s.files += %w( src/core/lib/iomgr/exec_ctx.c )
@@ -413,6 +423,7 @@ Gem::Specification.new do |s|
s.files += %w( src/core/lib/iomgr/iomgr_posix.c )
s.files += %w( src/core/lib/iomgr/iomgr_uv.c )
s.files += %w( src/core/lib/iomgr/iomgr_windows.c )
+ s.files += %w( src/core/lib/iomgr/is_epollexclusive_available.c )
s.files += %w( src/core/lib/iomgr/load_file.c )
s.files += %w( src/core/lib/iomgr/lockfree_event.c )
s.files += %w( src/core/lib/iomgr/network_status_tracker.c )
@@ -449,6 +460,7 @@ Gem::Specification.new do |s|
s.files += %w( src/core/lib/iomgr/time_averaged_stats.c )
s.files += %w( src/core/lib/iomgr/timer_generic.c )
s.files += %w( src/core/lib/iomgr/timer_heap.c )
+ s.files += %w( src/core/lib/iomgr/timer_manager.c )
s.files += %w( src/core/lib/iomgr/timer_uv.c )
s.files += %w( src/core/lib/iomgr/udp_server.c )
s.files += %w( src/core/lib/iomgr/unix_sockets_posix.c )
@@ -503,6 +515,7 @@ Gem::Specification.new do |s|
s.files += %w( src/core/lib/transport/timeout_encoding.c )
s.files += %w( src/core/lib/transport/transport.c )
s.files += %w( src/core/lib/transport/transport_op_string.c )
+ s.files += %w( src/core/lib/debug/trace.c )
s.files += %w( src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c )
s.files += %w( src/core/ext/transport/chttp2/transport/bin_decoder.c )
s.files += %w( src/core/ext/transport/chttp2/transport/bin_encoder.c )
diff --git a/include/grpc++/server_builder.h b/include/grpc++/server_builder.h
index 7ac23349c8437d3fc9dde1f512b4dd3fc204a966..a56f81dc4b3c8d79e06be3676a6a0b73f83d977f 100644
--- a/include/grpc++/server_builder.h
+++ b/include/grpc++/server_builder.h
@@ -195,7 +195,10 @@ class ServerBuilder {
struct SyncServerSettings {
SyncServerSettings()
- : num_cqs(1), min_pollers(1), max_pollers(2), cq_timeout_msec(10000) {}
+ : num_cqs(gpr_cpu_num_cores()),
+ min_pollers(1),
+ max_pollers(2),
+ cq_timeout_msec(10000) {}
// Number of server completion queues to create to listen to incoming RPCs.
int num_cqs;
diff --git a/package.xml b/package.xml
index d47708efa4e5c12abe32424deb59e5d8a0da0b7e..e70321a74ae26cee99472aaa44761ebb3a7f8255 100644
--- a/package.xml
+++ b/package.xml
@@ -194,7 +194,6 @@
<file baseinstalldir="/" name="src/core/lib/channel/handshaker_registry.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/compression/algorithm_metadata.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/compression/message_compress.h" role="src" />
- <file baseinstalldir="/" name="src/core/lib/debug/trace.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/http/format_request.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/http/httpcli.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/http/parser.h" role="src" />
@@ -204,7 +203,11 @@
<file baseinstalldir="/" name="src/core/lib/iomgr/endpoint_pair.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/error.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/error_internal.h" role="src" />
- <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epoll_linux.h" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epoll1_linux.h" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epoll_thread_pool_linux.h" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epollex_linux.h" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epollsig_linux.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/ev_poll_posix.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/ev_posix.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/exec_ctx.h" role="src" />
@@ -213,6 +216,7 @@
<file baseinstalldir="/" name="src/core/lib/iomgr/iomgr.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/iomgr_internal.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/iomgr_posix.h" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/is_epollexclusive_available.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/load_file.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/lockfree_event.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/network_status_tracker.h" role="src" />
@@ -234,6 +238,7 @@
<file baseinstalldir="/" name="src/core/lib/iomgr/socket_utils.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/socket_utils_posix.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/socket_windows.h" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/sys_epoll_wrapper.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/tcp_client.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/tcp_client_posix.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/tcp_posix.h" role="src" />
@@ -245,6 +250,7 @@
<file baseinstalldir="/" name="src/core/lib/iomgr/timer.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/timer_generic.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/timer_heap.h" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/timer_manager.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/timer_uv.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/udp_server.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/unix_sockets_posix.h" role="src" />
@@ -290,6 +296,7 @@
<file baseinstalldir="/" name="src/core/lib/transport/timeout_encoding.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/transport/transport.h" role="src" />
<file baseinstalldir="/" name="src/core/lib/transport/transport_impl.h" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/debug/trace.h" role="src" />
<file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/bin_decoder.h" role="src" />
<file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/bin_encoder.h" role="src" />
<file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/chttp2_transport.h" role="src" />
@@ -401,7 +408,6 @@
<file baseinstalldir="/" name="src/core/lib/channel/handshaker_registry.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/compression/compression.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/compression/message_compress.c" role="src" />
- <file baseinstalldir="/" name="src/core/lib/debug/trace.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/http/format_request.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/http/httpcli.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/http/parser.c" role="src" />
@@ -412,7 +418,11 @@
<file baseinstalldir="/" name="src/core/lib/iomgr/endpoint_pair_uv.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/endpoint_pair_windows.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/error.c" role="src" />
- <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epoll_linux.c" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epoll1_linux.c" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epoll_thread_pool_linux.c" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epollex_linux.c" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epollsig_linux.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/ev_poll_posix.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/ev_posix.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/exec_ctx.c" role="src" />
@@ -422,6 +432,7 @@
<file baseinstalldir="/" name="src/core/lib/iomgr/iomgr_posix.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/iomgr_uv.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/iomgr_windows.c" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/is_epollexclusive_available.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/load_file.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/lockfree_event.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/network_status_tracker.c" role="src" />
@@ -458,6 +469,7 @@
<file baseinstalldir="/" name="src/core/lib/iomgr/time_averaged_stats.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/timer_generic.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/timer_heap.c" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/iomgr/timer_manager.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/timer_uv.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/udp_server.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/iomgr/unix_sockets_posix.c" role="src" />
@@ -512,6 +524,7 @@
<file baseinstalldir="/" name="src/core/lib/transport/timeout_encoding.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/transport/transport.c" role="src" />
<file baseinstalldir="/" name="src/core/lib/transport/transport_op_string.c" role="src" />
+ <file baseinstalldir="/" name="src/core/lib/debug/trace.c" role="src" />
<file baseinstalldir="/" name="src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c" role="src" />
<file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/bin_decoder.c" role="src" />
<file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/bin_encoder.c" role="src" />
diff --git a/src/core/ext/filters/client_channel/channel_connectivity.c b/src/core/ext/filters/client_channel/channel_connectivity.c
index 62f58fb278a2f71d40e1ab8fe12fffadc9ed9ddf..f83670db82efde290c2e51c6b2f979086a8c50e2 100644
--- a/src/core/ext/filters/client_channel/channel_connectivity.c
+++ b/src/core/ext/filters/client_channel/channel_connectivity.c
@@ -132,7 +132,7 @@ static void partly_done(grpc_exec_ctx *exec_ctx, state_watcher *w,
gpr_mu_lock(&w->mu);
if (due_to_completion) {
- if (grpc_trace_operation_failures) {
+ if (GRPC_TRACER_ON(grpc_trace_operation_failures)) {
GRPC_LOG_IF_ERROR("watch_completion_error", GRPC_ERROR_REF(error));
}
GRPC_ERROR_UNREF(error);
diff --git a/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.c b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.c
index 695be4fdf27ed9867b14a7ebf5a448655bdd6dea..b7c0e929b7e025c6e949c4dce9efa5614010c406 100644
--- a/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.c
+++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.c
@@ -137,7 +137,7 @@
#define GRPC_GRPCLB_RECONNECT_MAX_BACKOFF_SECONDS 120
#define GRPC_GRPCLB_RECONNECT_JITTER 0.2
-int grpc_lb_glb_trace = 0;
+grpc_tracer_flag grpc_lb_glb_trace = GRPC_TRACER_INITIALIZER(false);
/* add lb_token of selected subchannel (address) to the call's initial
* metadata */
@@ -223,7 +223,7 @@ static void wrapped_rr_closure(grpc_exec_ctx *exec_ctx, void *arg,
} else {
grpc_grpclb_client_stats_unref(wc_arg->client_stats);
}
- if (grpc_lb_glb_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
gpr_log(GPR_INFO, "Unreffing RR %p", (void *)wc_arg->rr_policy);
}
GRPC_LB_POLICY_UNREF(exec_ctx, wc_arg->rr_policy, "wrapped_rr_closure");
@@ -574,7 +574,7 @@ static bool update_lb_connectivity_status_locked(
GPR_ASSERT(new_rr_state_error == GRPC_ERROR_NONE);
}
- if (grpc_lb_glb_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
gpr_log(GPR_INFO,
"Setting grpclb's state to %s from new RR policy %p state.",
grpc_connectivity_state_name(new_rr_state),
@@ -599,7 +599,7 @@ static bool pick_from_internal_rr_locked(
(void **)&wc_arg->lb_token, &wc_arg->wrapper_closure);
if (pick_done) {
/* synchronous grpc_lb_policy_pick call. Unref the RR policy. */
- if (grpc_lb_glb_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
gpr_log(GPR_INFO, "Unreffing RR (0x%" PRIxPTR ")",
(intptr_t)wc_arg->rr_policy);
}
@@ -685,7 +685,7 @@ static void rr_handover_locked(grpc_exec_ctx *exec_ctx,
if (!replace_old_rr) {
/* dispose of the new RR policy that won't be used after all */
GRPC_LB_POLICY_UNREF(exec_ctx, new_rr_policy, "rr_handover_no_replace");
- if (grpc_lb_glb_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
gpr_log(GPR_INFO,
"Keeping old RR policy (%p) despite new serverlist: new RR "
"policy was in %s connectivity state.",
@@ -695,7 +695,7 @@ static void rr_handover_locked(grpc_exec_ctx *exec_ctx,
return;
}
- if (grpc_lb_glb_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
gpr_log(GPR_INFO, "Created RR policy (%p) to replace old RR (%p)",
(void *)new_rr_policy, (void *)glb_policy->rr_policy);
}
@@ -740,7 +740,7 @@ static void rr_handover_locked(grpc_exec_ctx *exec_ctx,
pp->wrapped_on_complete_arg.rr_policy = glb_policy->rr_policy;
pp->wrapped_on_complete_arg.client_stats =
grpc_grpclb_client_stats_ref(glb_policy->client_stats);
- if (grpc_lb_glb_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
gpr_log(GPR_INFO, "Pending pick about to PICK from 0x%" PRIxPTR "",
(intptr_t)glb_policy->rr_policy);
}
@@ -754,7 +754,7 @@ static void rr_handover_locked(grpc_exec_ctx *exec_ctx,
glb_policy->pending_pings = pping->next;
GRPC_LB_POLICY_REF(glb_policy->rr_policy, "rr_handover_pending_ping");
pping->wrapped_notify_arg.rr_policy = glb_policy->rr_policy;
- if (grpc_lb_glb_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
gpr_log(GPR_INFO, "Pending ping about to PING from 0x%" PRIxPTR "",
(intptr_t)glb_policy->rr_policy);
}
@@ -907,7 +907,7 @@ static grpc_lb_policy *glb_create(grpc_exec_ctx *exec_ctx,
GPR_ASSERT(uri->path[0] != '\0');
glb_policy->server_name =
gpr_strdup(uri->path[0] == '/' ? uri->path + 1 : uri->path);
- if (grpc_lb_glb_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
gpr_log(GPR_INFO, "Will use '%s' as the server name for LB request.",
glb_policy->server_name);
}
@@ -1095,7 +1095,7 @@ static int glb_pick_locked(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
bool pick_done;
if (glb_policy->rr_policy != NULL) {
- if (grpc_lb_glb_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
gpr_log(GPR_INFO, "grpclb %p about to PICK from RR %p",
(void *)glb_policy, (void *)glb_policy->rr_policy);
}
@@ -1118,7 +1118,7 @@ static int glb_pick_locked(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
pick_done = pick_from_internal_rr_locked(exec_ctx, glb_policy->rr_policy,
pick_args, target, wc_arg);
} else {
- if (grpc_lb_glb_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
gpr_log(GPR_DEBUG,
"No RR policy in grpclb instance %p. Adding to grpclb's pending "
"picks",
@@ -1355,7 +1355,7 @@ static void query_for_backends_locked(grpc_exec_ctx *exec_ctx,
lb_call_init_locked(exec_ctx, glb_policy);
- if (grpc_lb_glb_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
gpr_log(GPR_INFO, "Query for backends (grpclb: %p, lb_call: %p)",
(void *)glb_policy, (void *)glb_policy->lb_call);
}
@@ -1461,7 +1461,7 @@ static void lb_on_response_received_locked(grpc_exec_ctx *exec_ctx, void *arg,
gpr_time_max(gpr_time_from_seconds(1, GPR_TIMESPAN),
grpc_grpclb_duration_to_timespec(
&response->client_stats_report_interval));
- if (grpc_lb_glb_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
gpr_log(GPR_INFO,
"received initial LB response message; "
"client load reporting interval = %" PRId64 ".%09d sec",
@@ -1474,7 +1474,7 @@ static void lb_on_response_received_locked(grpc_exec_ctx *exec_ctx, void *arg,
glb_policy->client_load_report_timer_pending = true;
GRPC_LB_POLICY_WEAK_REF(&glb_policy->base, "client_load_report");
schedule_next_client_load_report(exec_ctx, glb_policy);
- } else if (grpc_lb_glb_trace) {
+ } else if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
gpr_log(GPR_INFO,
"received initial LB response message; "
"client load reporting NOT enabled");
@@ -1486,7 +1486,7 @@ static void lb_on_response_received_locked(grpc_exec_ctx *exec_ctx, void *arg,
grpc_grpclb_response_parse_serverlist(response_slice);
if (serverlist != NULL) {
GPR_ASSERT(glb_policy->lb_call != NULL);
- if (grpc_lb_glb_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
gpr_log(GPR_INFO, "Serverlist with %lu servers received",
(unsigned long)serverlist->num_servers);
for (size_t i = 0; i < serverlist->num_servers; ++i) {
@@ -1503,7 +1503,7 @@ static void lb_on_response_received_locked(grpc_exec_ctx *exec_ctx, void *arg,
if (serverlist->num_servers > 0) {
if (grpc_grpclb_serverlist_equals(glb_policy->serverlist,
serverlist)) {
- if (grpc_lb_glb_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
gpr_log(GPR_INFO,
"Incoming server list identical to current, ignoring.");
}
@@ -1521,7 +1521,7 @@ static void lb_on_response_received_locked(grpc_exec_ctx *exec_ctx, void *arg,
rr_handover_locked(exec_ctx, glb_policy);
}
} else {
- if (grpc_lb_glb_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
gpr_log(GPR_INFO,
"Received empty server list. Picks will stay pending until "
"a response with > 0 servers is received");
@@ -1563,7 +1563,7 @@ static void lb_call_on_retry_timer_locked(grpc_exec_ctx *exec_ctx, void *arg,
glb_lb_policy *glb_policy = arg;
if (!glb_policy->shutting_down) {
- if (grpc_lb_glb_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
gpr_log(GPR_INFO, "Restaring call to LB server (grpclb %p)",
(void *)glb_policy);
}
@@ -1580,7 +1580,7 @@ static void lb_on_server_status_received_locked(grpc_exec_ctx *exec_ctx,
GPR_ASSERT(glb_policy->lb_call != NULL);
- if (grpc_lb_glb_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
char *status_details =
grpc_slice_to_c_string(glb_policy->lb_call_status_details);
gpr_log(GPR_DEBUG,
@@ -1599,7 +1599,7 @@ static void lb_on_server_status_received_locked(grpc_exec_ctx *exec_ctx,
gpr_timespec now = gpr_now(GPR_CLOCK_MONOTONIC);
gpr_timespec next_try =
gpr_backoff_step(&glb_policy->lb_call_backoff_state, now);
- if (grpc_lb_glb_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_glb_trace)) {
gpr_log(GPR_DEBUG, "Connection to LB server lost (grpclb: %p)...",
(void *)glb_policy);
gpr_timespec timeout = gpr_time_sub(next_try, now);
diff --git a/src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.c b/src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.c
index 4c17f9c08284c16b24ab6eb3f50e62ed9e0670b2..6e7f4106358e109536d576137781447223ff82d4 100644
--- a/src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.c
+++ b/src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.c
@@ -74,7 +74,7 @@
typedef struct round_robin_lb_policy round_robin_lb_policy;
-int grpc_lb_round_robin_trace = 0;
+grpc_tracer_flag grpc_lb_round_robin_trace = GRPC_TRACER_INITIALIZER(false);
/** List of entities waiting for a pick.
*
@@ -198,7 +198,7 @@ static void advance_last_picked_locked(round_robin_lb_policy *p) {
GPR_ASSERT(p->ready_list_last_pick == &p->ready_list);
}
- if (grpc_lb_round_robin_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_round_robin_trace)) {
gpr_log(GPR_DEBUG,
"[READYLIST, RR: %p] ADVANCED LAST PICK. NOW AT NODE %p (SC %p, "
"CSC %p)",
@@ -228,7 +228,7 @@ static ready_list *add_connected_sc_locked(round_robin_lb_policy *p,
p->ready_list.prev->next = new_elem;
p->ready_list.prev = new_elem;
}
- if (grpc_lb_round_robin_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_round_robin_trace)) {
gpr_log(GPR_DEBUG, "[READYLIST] ADDING NODE %p (Conn. SC %p)",
(void *)new_elem, (void *)sd->subchannel);
}
@@ -256,7 +256,7 @@ static void remove_disconnected_sc_locked(round_robin_lb_policy *p,
node->next->prev = node->prev;
}
- if (grpc_lb_round_robin_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_round_robin_trace)) {
gpr_log(GPR_DEBUG, "[READYLIST] REMOVED NODE %p (SC %p)", (void *)node,
(void *)node->subchannel);
}
@@ -276,7 +276,7 @@ static void rr_destroy(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
round_robin_lb_policy *p = (round_robin_lb_policy *)pol;
ready_list *elem;
- if (grpc_lb_round_robin_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_round_robin_trace)) {
gpr_log(GPR_DEBUG, "Destroying Round Robin policy at %p", (void *)pol);
}
@@ -312,7 +312,7 @@ static void rr_shutdown_locked(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
pending_pick *pp;
size_t i;
- if (grpc_lb_round_robin_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_round_robin_trace)) {
gpr_log(GPR_DEBUG, "Shutting down Round Robin policy at %p", (void *)pol);
}
@@ -421,7 +421,7 @@ static int rr_pick_locked(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
pending_pick *pp;
ready_list *selected;
- if (grpc_lb_round_robin_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_round_robin_trace)) {
gpr_log(GPR_INFO, "Round Robin %p trying to pick", (void *)pol);
}
@@ -434,7 +434,7 @@ static int rr_pick_locked(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
if (user_data != NULL) {
*user_data = selected->user_data;
}
- if (grpc_lb_round_robin_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_round_robin_trace)) {
gpr_log(GPR_DEBUG,
"[RR PICK] TARGET <-- CONNECTED SUBCHANNEL %p (NODE %p)",
(void *)*target, (void *)selected);
@@ -566,7 +566,7 @@ static void rr_connectivity_changed_locked(grpc_exec_ctx *exec_ctx, void *arg,
if (pp->user_data != NULL) {
*pp->user_data = selected->user_data;
}
- if (grpc_lb_round_robin_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_round_robin_trace)) {
gpr_log(GPR_DEBUG,
"[RR CONN CHANGED] TARGET <-- SUBCHANNEL %p (NODE %p)",
(void *)selected->subchannel, (void *)selected);
@@ -724,7 +724,7 @@ static grpc_lb_policy *round_robin_create(grpc_exec_ctx *exec_ctx,
sc_args.args = new_args;
grpc_subchannel *subchannel = grpc_client_channel_factory_create_subchannel(
exec_ctx, args->client_channel_factory, &sc_args);
- if (grpc_lb_round_robin_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_round_robin_trace)) {
char *address_uri =
grpc_sockaddr_to_uri(&addresses->addresses[i].address);
gpr_log(GPR_DEBUG, "Created subchannel %p for address uri %s",
@@ -768,7 +768,7 @@ static grpc_lb_policy *round_robin_create(grpc_exec_ctx *exec_ctx,
grpc_connectivity_state_init(&p->state_tracker, GRPC_CHANNEL_IDLE,
"round_robin");
- if (grpc_lb_round_robin_trace) {
+ if (GRPC_TRACER_ON(grpc_lb_round_robin_trace)) {
gpr_log(GPR_DEBUG, "Created RR policy at %p with %lu subchannels",
(void *)p, (unsigned long)p->num_subchannels);
}
diff --git a/src/core/ext/filters/http/http_filters_plugin.c b/src/core/ext/filters/http/http_filters_plugin.c
index 195a1a8119b6400d1d272eb47c54a6e6e014dda1..856a7dbd91e2078f67de1aeee5cbaa3b1a53b1e9 100644
--- a/src/core/ext/filters/http/http_filters_plugin.c
+++ b/src/core/ext/filters/http/http_filters_plugin.c
@@ -37,6 +37,7 @@
#include "src/core/ext/filters/http/message_compress/message_compress_filter.h"
#include "src/core/ext/filters/http/server/http_server_filter.h"
#include "src/core/lib/channel/channel_stack_builder.h"
+#include "src/core/lib/surface/call.h"
#include "src/core/lib/surface/channel_init.h"
#include "src/core/lib/transport/transport_impl.h"
diff --git a/src/core/ext/filters/http/message_compress/message_compress_filter.c b/src/core/ext/filters/http/message_compress/message_compress_filter.c
index 1da8cf69cbf39d7a2f6e8c983a34adc2ab125e27..5a54a6ed152d1c41dc05bb4be3d22a73f09f3fc3 100644
--- a/src/core/ext/filters/http/message_compress/message_compress_filter.c
+++ b/src/core/ext/filters/http/message_compress/message_compress_filter.c
@@ -47,6 +47,7 @@
#include "src/core/lib/slice/slice_internal.h"
#include "src/core/lib/slice/slice_string_helpers.h"
#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/call.h"
#include "src/core/lib/transport/static_metadata.h"
#define INITIAL_METADATA_UNSEEN 0
@@ -197,7 +198,7 @@ static void finish_send_message(grpc_exec_ctx *exec_ctx,
did_compress = grpc_msg_compress(exec_ctx, calld->compression_algorithm,
&calld->slices, &tmp);
if (did_compress) {
- if (grpc_compression_trace) {
+ if (GRPC_TRACER_ON(grpc_compression_trace)) {
char *algo_name;
const size_t before_size = calld->slices.length;
const size_t after_size = tmp.length;
@@ -211,7 +212,7 @@ static void finish_send_message(grpc_exec_ctx *exec_ctx,
grpc_slice_buffer_swap(&calld->slices, &tmp);
calld->send_flags |= GRPC_WRITE_INTERNAL_COMPRESS;
} else {
- if (grpc_compression_trace) {
+ if (GRPC_TRACER_ON(grpc_compression_trace)) {
char *algo_name;
GPR_ASSERT(grpc_compression_algorithm_name(calld->compression_algorithm,
&algo_name));
diff --git a/src/core/ext/filters/http/message_compress/message_compress_filter.h b/src/core/ext/filters/http/message_compress/message_compress_filter.h
index 75bfa17fba31b03aa9d3bc98e166cd01a6c7e2db..135da4da620badfd657fd08bd9ef18476f110574 100644
--- a/src/core/ext/filters/http/message_compress/message_compress_filter.h
+++ b/src/core/ext/filters/http/message_compress/message_compress_filter.h
@@ -38,8 +38,6 @@
#include "src/core/lib/channel/channel_stack.h"
-extern int grpc_compression_trace;
-
/** Compression filter for outgoing data.
*
* See <grpc/compression.h> for the available compression settings.
diff --git a/src/core/ext/filters/http/server/http_server_filter.c b/src/core/ext/filters/http/server/http_server_filter.c
index ff857878e46b527122382181b42659d842d47159..9e495f4d42288df8b9993d7e147818666fa18a02 100644
--- a/src/core/ext/filters/http/server/http_server_filter.c
+++ b/src/core/ext/filters/http/server/http_server_filter.c
@@ -46,8 +46,6 @@
#define EXPECTED_CONTENT_TYPE "application/grpc"
#define EXPECTED_CONTENT_TYPE_LENGTH sizeof(EXPECTED_CONTENT_TYPE) - 1
-extern int grpc_http_trace;
-
typedef struct call_data {
grpc_linked_mdelem status;
grpc_linked_mdelem content_type;
diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
index 23a55fa9bd9b5ce454cd6dd40ef87d79b69d5b6b..fb8ceaecb0649bd422313daeef30f31e6f2b35b2 100644
--- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c
+++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
@@ -89,8 +89,8 @@ static bool g_default_keepalive_permit_without_calls =
DEFAULT_KEEPALIVE_PERMIT_WITHOUT_CALLS;
#define MAX_CLIENT_STREAM_ID 0x7fffffffu
-int grpc_http_trace = 0;
-int grpc_flowctl_trace = 0;
+grpc_tracer_flag grpc_http_trace = GRPC_TRACER_INITIALIZER(false);
+grpc_tracer_flag grpc_flowctl_trace = GRPC_TRACER_INITIALIZER(false);
static const grpc_transport_vtable vtable;
@@ -1104,7 +1104,7 @@ void grpc_chttp2_complete_closure_step(grpc_exec_ctx *exec_ctx,
return;
}
closure->next_data.scratch -= CLOSURE_BARRIER_FIRST_REF_BIT;
- if (grpc_http_trace) {
+ if (GRPC_TRACER_ON(grpc_http_trace)) {
const char *errstr = grpc_error_string(error);
gpr_log(GPR_DEBUG,
"complete_closure_step: %p refs=%d flags=0x%04x desc=%s err=%s",
@@ -1249,7 +1249,7 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op,
grpc_transport_stream_op_batch_payload *op_payload = op->payload;
grpc_chttp2_transport *t = s->t;
- if (grpc_http_trace) {
+ if (GRPC_TRACER_ON(grpc_http_trace)) {
char *str = grpc_transport_stream_op_batch_string(op);
gpr_log(GPR_DEBUG, "perform_stream_op_locked: %s; on_complete = %p", str,
op->on_complete);
@@ -1492,9 +1492,9 @@ static void perform_stream_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt,
grpc_chttp2_transport *t = (grpc_chttp2_transport *)gt;
grpc_chttp2_stream *s = (grpc_chttp2_stream *)gs;
- if (grpc_http_trace) {
+ if (GRPC_TRACER_ON(grpc_http_trace)) {
char *str = grpc_transport_stream_op_batch_string(op);
- gpr_log(GPR_DEBUG, "perform_stream_op[s=%p/%d]: %s", s, s->id, str);
+ gpr_log(GPR_DEBUG, "perform_stream_op[s=%p]: %s", s, str);
gpr_free(str);
}
@@ -2155,7 +2155,7 @@ static void update_bdp(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t,
if (delta == 0 || (delta > -bdp / 10 && delta < bdp / 10)) {
return;
}
- if (grpc_bdp_estimator_trace) {
+ if (GRPC_TRACER_ON(grpc_bdp_estimator_trace)) {
gpr_log(GPR_DEBUG, "%s: update initial window size to %d", t->peer_string,
(int)bdp);
}
@@ -2316,7 +2316,7 @@ static void read_action_locked(grpc_exec_ctx *exec_ctx, void *tp,
static void start_bdp_ping_locked(grpc_exec_ctx *exec_ctx, void *tp,
grpc_error *error) {
grpc_chttp2_transport *t = tp;
- if (grpc_http_trace) {
+ if (GRPC_TRACER_ON(grpc_http_trace)) {
gpr_log(GPR_DEBUG, "%s: Start BDP ping", t->peer_string);
}
/* Reset the keepalive ping timer */
@@ -2329,7 +2329,7 @@ static void start_bdp_ping_locked(grpc_exec_ctx *exec_ctx, void *tp,
static void finish_bdp_ping_locked(grpc_exec_ctx *exec_ctx, void *tp,
grpc_error *error) {
grpc_chttp2_transport *t = tp;
- if (grpc_http_trace) {
+ if (GRPC_TRACER_ON(grpc_http_trace)) {
gpr_log(GPR_DEBUG, "%s: Complete BDP ping", t->peer_string);
}
grpc_bdp_estimator_complete_ping(&t->bdp_estimator);
@@ -2790,7 +2790,7 @@ static void benign_reclaimer_locked(grpc_exec_ctx *exec_ctx, void *arg,
grpc_chttp2_stream_map_size(&t->stream_map) == 0) {
/* Channel with no active streams: send a goaway to try and make it
* disconnect cleanly */
- if (grpc_resource_quota_trace) {
+ if (GRPC_TRACER_ON(grpc_resource_quota_trace)) {
gpr_log(GPR_DEBUG, "HTTP2: %s - send goaway to free memory",
t->peer_string);
}
@@ -2798,7 +2798,8 @@ static void benign_reclaimer_locked(grpc_exec_ctx *exec_ctx, void *arg,
grpc_error_set_int(
GRPC_ERROR_CREATE_FROM_STATIC_STRING("Buffers full"),
GRPC_ERROR_INT_HTTP2_ERROR, GRPC_HTTP2_ENHANCE_YOUR_CALM));
- } else if (error == GRPC_ERROR_NONE && grpc_resource_quota_trace) {
+ } else if (error == GRPC_ERROR_NONE &&
+ GRPC_TRACER_ON(grpc_resource_quota_trace)) {
gpr_log(GPR_DEBUG,
"HTTP2: %s - skip benign reclamation, there are still %" PRIdPTR
" streams",
@@ -2819,7 +2820,7 @@ static void destructive_reclaimer_locked(grpc_exec_ctx *exec_ctx, void *arg,
t->destructive_reclaimer_registered = false;
if (error == GRPC_ERROR_NONE && n > 0) {
grpc_chttp2_stream *s = grpc_chttp2_stream_map_rand(&t->stream_map);
- if (grpc_resource_quota_trace) {
+ if (GRPC_TRACER_ON(grpc_resource_quota_trace)) {
gpr_log(GPR_DEBUG, "HTTP2: %s - abandon stream id %d", t->peer_string,
s->id);
}
diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.h b/src/core/ext/transport/chttp2/transport/chttp2_transport.h
index c372174f2d52840a9ea80bcebdf6ac8c28726167..83b17d1936fcd57ec8dfc5c82c68b6fb6e0247b6 100644
--- a/src/core/ext/transport/chttp2/transport/chttp2_transport.h
+++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.h
@@ -34,11 +34,12 @@
#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_CHTTP2_TRANSPORT_H
#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_CHTTP2_TRANSPORT_H
+#include "src/core/lib/debug/trace.h"
#include "src/core/lib/iomgr/endpoint.h"
#include "src/core/lib/transport/transport.h"
-extern int grpc_http_trace;
-extern int grpc_flowctl_trace;
+extern grpc_tracer_flag grpc_http_trace;
+extern grpc_tracer_flag grpc_flowctl_trace;
grpc_transport *grpc_create_chttp2_transport(
grpc_exec_ctx *exec_ctx, const grpc_channel_args *channel_args,
diff --git a/src/core/ext/transport/chttp2/transport/frame_settings.c b/src/core/ext/transport/chttp2/transport/frame_settings.c
index e3cd70d3f3bcbe7696361001df15e052f9a4f46a..dbaafb5929f0164065fa915f0a35cb428bdcbbe0 100644
--- a/src/core/ext/transport/chttp2/transport/frame_settings.c
+++ b/src/core/ext/transport/chttp2/transport/frame_settings.c
@@ -218,18 +218,18 @@ grpc_error *grpc_chttp2_settings_parser_parse(grpc_exec_ctx *exec_ctx, void *p,
parser->incoming_settings[id] != parser->value) {
t->initial_window_update +=
(int64_t)parser->value - parser->incoming_settings[id];
- if (grpc_http_trace) {
+ if (GRPC_TRACER_ON(grpc_http_trace)) {
gpr_log(GPR_DEBUG, "adding %d for initial_window change",
(int)t->initial_window_update);
}
}
parser->incoming_settings[id] = parser->value;
- if (grpc_http_trace) {
+ if (GRPC_TRACER_ON(grpc_http_trace)) {
gpr_log(GPR_DEBUG, "CHTTP2:%s:%s: got setting %s = %d",
t->is_client ? "CLI" : "SVR", t->peer_string, sp->name,
parser->value);
}
- } else if (grpc_http_trace) {
+ } else if (GRPC_TRACER_ON(grpc_http_trace)) {
gpr_log(GPR_ERROR, "CHTTP2: Ignoring unknown setting %d (value %d)",
parser->id, parser->value);
}
diff --git a/src/core/ext/transport/chttp2/transport/hpack_encoder.c b/src/core/ext/transport/chttp2/transport/hpack_encoder.c
index 8fdd4ee77c1386dd83333400be782f7f171c3dc2..126e012aac9fc137ff6ee573e7fda8c51fef1b72 100644
--- a/src/core/ext/transport/chttp2/transport/hpack_encoder.c
+++ b/src/core/ext/transport/chttp2/transport/hpack_encoder.c
@@ -69,7 +69,7 @@ static grpc_slice_refcount terminal_slice_refcount = {NULL, NULL};
static const grpc_slice terminal_slice = {&terminal_slice_refcount,
.data.refcounted = {0, 0}};
-extern int grpc_http_trace;
+extern grpc_tracer_flag grpc_http_trace;
typedef struct {
int is_first_frame;
@@ -425,7 +425,7 @@ static void hpack_enc(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_compressor *c,
"Reserved header (colon-prefixed) happening after regular ones.");
}
- if (grpc_http_trace && !GRPC_MDELEM_IS_INTERNED(elem)) {
+ if (GRPC_TRACER_ON(grpc_http_trace) && !GRPC_MDELEM_IS_INTERNED(elem)) {
char *k = grpc_slice_to_c_string(GRPC_MDKEY(elem));
char *v = grpc_slice_to_c_string(GRPC_MDVALUE(elem));
gpr_log(
@@ -616,7 +616,7 @@ void grpc_chttp2_hpack_compressor_set_max_table_size(
}
}
c->advertise_table_size_change = 1;
- if (grpc_http_trace) {
+ if (GRPC_TRACER_ON(grpc_http_trace)) {
gpr_log(GPR_DEBUG, "set max table size from encoder to %d", max_table_size);
}
}
diff --git a/src/core/ext/transport/chttp2/transport/hpack_parser.c b/src/core/ext/transport/chttp2/transport/hpack_parser.c
index 1846a85fc65f37bc5de2fe31b0cc9f73c066e31f..bb98bc4a79fc5247616f5436dedd0bf2d6021725 100644
--- a/src/core/ext/transport/chttp2/transport/hpack_parser.c
+++ b/src/core/ext/transport/chttp2/transport/hpack_parser.c
@@ -50,8 +50,6 @@
#include "src/core/lib/support/string.h"
#include "src/core/lib/transport/http2_errors.h"
-extern int grpc_http_trace;
-
typedef enum {
NOT_BINARY,
BINARY_BEGIN,
@@ -666,7 +664,7 @@ static const uint8_t inverse_base64[256] = {
/* emission helpers */
static grpc_error *on_hdr(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_parser *p,
grpc_mdelem md, int add_to_table) {
- if (grpc_http_trace && !GRPC_MDELEM_IS_INTERNED(md)) {
+ if (GRPC_TRACER_ON(grpc_http_trace) && !GRPC_MDELEM_IS_INTERNED(md)) {
char *k = grpc_slice_to_c_string(GRPC_MDKEY(md));
char *v = grpc_slice_to_c_string(GRPC_MDVALUE(md));
gpr_log(
@@ -1052,7 +1050,7 @@ static grpc_error *parse_lithdr_nvridx_v(grpc_exec_ctx *exec_ctx,
static grpc_error *finish_max_tbl_size(grpc_exec_ctx *exec_ctx,
grpc_chttp2_hpack_parser *p,
const uint8_t *cur, const uint8_t *end) {
- if (grpc_http_trace) {
+ if (GRPC_TRACER_ON(grpc_http_trace)) {
gpr_log(GPR_INFO, "MAX TABLE SIZE: %d", p->index);
}
grpc_error *err =
diff --git a/src/core/ext/transport/chttp2/transport/hpack_table.c b/src/core/ext/transport/chttp2/transport/hpack_table.c
index 9dd41fdbe16caefdcf3a38c320bbbea5aeab7673..7aaff553396dafd141e4d36e8d7e0833feba4049 100644
--- a/src/core/ext/transport/chttp2/transport/hpack_table.c
+++ b/src/core/ext/transport/chttp2/transport/hpack_table.c
@@ -40,9 +40,10 @@
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
+#include "src/core/lib/debug/trace.h"
#include "src/core/lib/support/murmur_hash.h"
-extern int grpc_http_trace;
+extern grpc_tracer_flag grpc_http_trace;
static struct {
const char *key;
@@ -260,7 +261,7 @@ void grpc_chttp2_hptbl_set_max_bytes(grpc_exec_ctx *exec_ctx,
if (tbl->max_bytes == max_bytes) {
return;
}
- if (grpc_http_trace) {
+ if (GRPC_TRACER_ON(grpc_http_trace)) {
gpr_log(GPR_DEBUG, "Update hpack parser max size to %d", max_bytes);
}
while (tbl->mem_used > max_bytes) {
@@ -284,7 +285,7 @@ grpc_error *grpc_chttp2_hptbl_set_current_table_size(grpc_exec_ctx *exec_ctx,
gpr_free(msg);
return err;
}
- if (grpc_http_trace) {
+ if (GRPC_TRACER_ON(grpc_http_trace)) {
gpr_log(GPR_DEBUG, "Update hpack parser table size to %d", bytes);
}
while (tbl->mem_used > bytes) {
diff --git a/src/core/ext/transport/chttp2/transport/internal.h b/src/core/ext/transport/chttp2/transport/internal.h
index 1f87206114bbe2e0d289a1196b2b8a8e1239002a..8d66e396ee85efb6020e37c70e019be3c9886236 100644
--- a/src/core/ext/transport/chttp2/transport/internal.h
+++ b/src/core/ext/transport/chttp2/transport/internal.h
@@ -634,13 +634,13 @@ void grpc_chttp2_complete_closure_step(grpc_exec_ctx *exec_ctx,
#define GRPC_CHTTP2_CLIENT_CONNECT_STRLEN \
(sizeof(GRPC_CHTTP2_CLIENT_CONNECT_STRING) - 1)
-extern int grpc_http_trace;
-extern int grpc_flowctl_trace;
+extern grpc_tracer_flag grpc_http_trace;
+extern grpc_tracer_flag grpc_flowctl_trace;
-#define GRPC_CHTTP2_IF_TRACING(stmt) \
- if (!(grpc_http_trace)) \
- ; \
- else \
+#define GRPC_CHTTP2_IF_TRACING(stmt) \
+ if (!(GRPC_TRACER_ON(grpc_http_trace))) \
+ ; \
+ else \
stmt
typedef enum {
@@ -653,7 +653,7 @@ typedef enum {
dst_var, src_context, src_var) \
do { \
assert(id1 == id2); \
- if (grpc_flowctl_trace) { \
+ if (GRPC_TRACER_ON(grpc_flowctl_trace)) { \
grpc_chttp2_flowctl_trace( \
__FILE__, __LINE__, phase, GRPC_CHTTP2_FLOWCTL_MOVE, #dst_context, \
#dst_var, #src_context, #src_var, transport->is_client, id1, \
@@ -676,7 +676,7 @@ typedef enum {
#define GRPC_CHTTP2_FLOW_CREDIT_COMMON(phase, transport, id, dst_context, \
dst_var, amount) \
do { \
- if (grpc_flowctl_trace) { \
+ if (GRPC_TRACER_ON(grpc_flowctl_trace)) { \
grpc_chttp2_flowctl_trace(__FILE__, __LINE__, phase, \
GRPC_CHTTP2_FLOWCTL_CREDIT, #dst_context, \
#dst_var, NULL, #amount, transport->is_client, \
@@ -734,7 +734,7 @@ typedef enum {
#define GRPC_CHTTP2_FLOW_DEBIT_COMMON(phase, transport, id, dst_context, \
dst_var, amount) \
do { \
- if (grpc_flowctl_trace) { \
+ if (GRPC_TRACER_ON(grpc_flowctl_trace)) { \
grpc_chttp2_flowctl_trace(__FILE__, __LINE__, phase, \
GRPC_CHTTP2_FLOWCTL_DEBIT, #dst_context, \
#dst_var, NULL, #amount, transport->is_client, \
diff --git a/src/core/ext/transport/chttp2/transport/parsing.c b/src/core/ext/transport/chttp2/transport/parsing.c
index b0dd68511625e5b4734b07795cfcd08cce16c5e5..1a676e2259659e23b6972988fcc8bb2bdd0136e4 100644
--- a/src/core/ext/transport/chttp2/transport/parsing.c
+++ b/src/core/ext/transport/chttp2/transport/parsing.c
@@ -324,7 +324,7 @@ static grpc_error *init_frame_parser(grpc_exec_ctx *exec_ctx,
case GRPC_CHTTP2_FRAME_GOAWAY:
return init_goaway_parser(exec_ctx, t);
default:
- if (grpc_http_trace) {
+ if (GRPC_TRACER_ON(grpc_http_trace)) {
gpr_log(GPR_ERROR, "Unknown frame type %02x", t->incoming_frame_type);
}
return init_skip_frame_parser(exec_ctx, t, 0);
@@ -492,7 +492,7 @@ static void on_initial_header(grpc_exec_ctx *exec_ctx, void *tp,
GPR_ASSERT(s != NULL);
- if (grpc_http_trace) {
+ if (GRPC_TRACER_ON(grpc_http_trace)) {
char *key = grpc_slice_to_c_string(GRPC_MDKEY(md));
char *value =
grpc_dump_slice(GRPC_MDVALUE(md), GPR_DUMP_HEX | GPR_DUMP_ASCII);
@@ -572,7 +572,7 @@ static void on_trailing_header(grpc_exec_ctx *exec_ctx, void *tp,
GPR_ASSERT(s != NULL);
- if (grpc_http_trace) {
+ if (GRPC_TRACER_ON(grpc_http_trace)) {
char *key = grpc_slice_to_c_string(GRPC_MDKEY(md));
char *value =
grpc_dump_slice(GRPC_MDVALUE(md), GPR_DUMP_HEX | GPR_DUMP_ASCII);
@@ -805,7 +805,7 @@ static grpc_error *parse_frame_slice(grpc_exec_ctx *exec_ctx,
if (err == GRPC_ERROR_NONE) {
return err;
} else if (grpc_error_get_int(err, GRPC_ERROR_INT_STREAM_ID, NULL)) {
- if (grpc_http_trace) {
+ if (GRPC_TRACER_ON(grpc_http_trace)) {
const char *msg = grpc_error_string(err);
gpr_log(GPR_ERROR, "%s", msg);
}
diff --git a/src/core/ext/transport/chttp2/transport/writing.c b/src/core/ext/transport/chttp2/transport/writing.c
index 60db567fb32e404956a907f5071b263fdfd94cb7..5be1092946acd68ee88b06b4863cde9ee2a9701d 100644
--- a/src/core/ext/transport/chttp2/transport/writing.c
+++ b/src/core/ext/transport/chttp2/transport/writing.c
@@ -74,7 +74,8 @@ static void maybe_initiate_ping(grpc_exec_ctx *exec_ctx,
}
if (!grpc_closure_list_empty(pq->lists[GRPC_CHTTP2_PCL_INFLIGHT])) {
/* ping already in-flight: wait */
- if (grpc_http_trace || grpc_bdp_estimator_trace) {
+ if (GRPC_TRACER_ON(grpc_http_trace) ||
+ GRPC_TRACER_ON(grpc_bdp_estimator_trace)) {
gpr_log(GPR_DEBUG, "Ping delayed [%p]: already pinging", t->peer_string);
}
return;
@@ -82,7 +83,8 @@ static void maybe_initiate_ping(grpc_exec_ctx *exec_ctx,
if (t->ping_state.pings_before_data_required == 0 &&
t->ping_policy.max_pings_without_data != 0) {
/* need to send something of substance before sending a ping again */
- if (grpc_http_trace || grpc_bdp_estimator_trace) {
+ if (GRPC_TRACER_ON(grpc_http_trace) ||
+ GRPC_TRACER_ON(grpc_bdp_estimator_trace)) {
gpr_log(GPR_DEBUG, "Ping delayed [%p]: too many recent pings: %d/%d",
t->peer_string, t->ping_state.pings_before_data_required,
t->ping_policy.max_pings_without_data);
@@ -96,7 +98,8 @@ static void maybe_initiate_ping(grpc_exec_ctx *exec_ctx,
(int)t->ping_policy.min_time_between_pings.tv_nsec);*/
if (gpr_time_cmp(elapsed, t->ping_policy.min_time_between_pings) < 0) {
/* not enough elapsed time between successive pings */
- if (grpc_http_trace || grpc_bdp_estimator_trace) {
+ if (GRPC_TRACER_ON(grpc_http_trace) ||
+ GRPC_TRACER_ON(grpc_bdp_estimator_trace)) {
gpr_log(GPR_DEBUG,
"Ping delayed [%p]: not enough time elapsed since last ping",
t->peer_string);
diff --git a/src/core/lib/channel/channel_stack.c b/src/core/lib/channel/channel_stack.c
index 94382980eb3949c4a7942ad4946965ed978a9448..7db54d11074a608e9b20a8d33e09f72434603916 100644
--- a/src/core/lib/channel/channel_stack.c
+++ b/src/core/lib/channel/channel_stack.c
@@ -38,7 +38,7 @@
#include <stdlib.h>
#include <string.h>
-int grpc_trace_channel = 0;
+grpc_tracer_flag grpc_trace_channel = GRPC_TRACER_INITIALIZER(false);
/* Memory layouts.
diff --git a/src/core/lib/channel/channel_stack.h b/src/core/lib/channel/channel_stack.h
index fdbcbdb01850678dea891625d3e752f6de19992e..c26d61b2ef4d1aa20a5a43d3fb9d61d0aeed22dd 100644
--- a/src/core/lib/channel/channel_stack.h
+++ b/src/core/lib/channel/channel_stack.h
@@ -307,10 +307,10 @@ void grpc_call_element_signal_error(grpc_exec_ctx *exec_ctx,
grpc_call_element *cur_elem,
grpc_error *error);
-extern int grpc_trace_channel;
+extern grpc_tracer_flag grpc_trace_channel;
#define GRPC_CALL_LOG_OP(sev, elem, op) \
- if (grpc_trace_channel) grpc_call_log_op(sev, elem, op)
+ if (GRPC_TRACER_ON(grpc_trace_channel)) grpc_call_log_op(sev, elem, op)
#ifdef __cplusplus
}
diff --git a/src/core/lib/channel/channel_stack_builder.c b/src/core/lib/channel/channel_stack_builder.c
index 88c02edb70e423499899a93ac9a1172b6bae06c5..44b030e4d1f0757afb54d14d3a9522d3759c920f 100644
--- a/src/core/lib/channel/channel_stack_builder.c
+++ b/src/core/lib/channel/channel_stack_builder.c
@@ -38,7 +38,8 @@
#include <grpc/support/alloc.h>
#include <grpc/support/string_util.h>
-int grpc_trace_channel_stack_builder = 0;
+grpc_tracer_flag grpc_trace_channel_stack_builder =
+ GRPC_TRACER_INITIALIZER(false);
typedef struct filter_node {
struct filter_node *next;
diff --git a/src/core/lib/channel/channel_stack_builder.h b/src/core/lib/channel/channel_stack_builder.h
index c78111b00d01e744e659b4b7078c0a27dc5aae6f..8cb36eb117e320dd132ade25d4a001c29aba5ecf 100644
--- a/src/core/lib/channel/channel_stack_builder.h
+++ b/src/core/lib/channel/channel_stack_builder.h
@@ -165,7 +165,7 @@ grpc_error *grpc_channel_stack_builder_finish(
void grpc_channel_stack_builder_destroy(grpc_exec_ctx *exec_ctx,
grpc_channel_stack_builder *builder);
-extern int grpc_trace_channel_stack_builder;
+extern grpc_tracer_flag grpc_trace_channel_stack_builder;
#ifdef __cplusplus
}
diff --git a/src/core/lib/debug/trace.c b/src/core/lib/debug/trace.c
index c56046785b380571d60e2b599318be96673360b6..4dfea44c57eabd65147fc5c5e23c52ed893933b4 100644
--- a/src/core/lib/debug/trace.c
+++ b/src/core/lib/debug/trace.c
@@ -35,24 +35,31 @@
#include <string.h>
-#include <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include "src/core/lib/support/env.h"
+int grpc_tracer_set_enabled(const char *name, int enabled);
+
typedef struct tracer {
const char *name;
- int *flag;
+ grpc_tracer_flag *flag;
struct tracer *next;
} tracer;
static tracer *tracers;
-void grpc_register_tracer(const char *name, int *flag) {
+#ifdef GRPC_THREADSAFE_TRACER
+#define TRACER_SET(flag, on) gpr_atm_no_barrier_store(&(flag).value, (on))
+#else
+#define TRACER_SET(flag, on) (flag).value = (on)
+#endif
+
+void grpc_register_tracer(const char *name, grpc_tracer_flag *flag) {
tracer *t = gpr_malloc(sizeof(*t));
t->name = name;
t->flag = flag;
t->next = tracers;
- *flag = 0;
+ TRACER_SET(*flag, false);
tracers = t;
}
@@ -121,13 +128,13 @@ int grpc_tracer_set_enabled(const char *name, int enabled) {
tracer *t;
if (0 == strcmp(name, "all")) {
for (t = tracers; t; t = t->next) {
- *t->flag = enabled;
+ TRACER_SET(*t->flag, enabled);
}
} else {
int found = 0;
for (t = tracers; t; t = t->next) {
if (0 == strcmp(name, t->name)) {
- *t->flag = enabled;
+ TRACER_SET(*t->flag, enabled);
found = 1;
}
}
diff --git a/src/core/lib/debug/trace.h b/src/core/lib/debug/trace.h
index 7afc38db7e1f936f7fffb20564cd6ed4daeea57e..ba432574d06e3de73834a4544df747b257b4f5e4 100644
--- a/src/core/lib/debug/trace.h
+++ b/src/core/lib/debug/trace.h
@@ -34,9 +34,35 @@
#ifndef GRPC_CORE_LIB_DEBUG_TRACE_H
#define GRPC_CORE_LIB_DEBUG_TRACE_H
+#include <grpc/support/atm.h>
#include <grpc/support/port_platform.h>
+#include <stdbool.h>
-void grpc_register_tracer(const char *name, int *flag);
+#if defined(__has_feature)
+#if __has_feature(thread_sanitizer)
+#define GRPC_THREADSAFE_TRACER
+#endif
+#endif
+
+typedef struct {
+#ifdef GRPC_THREADSAFE_TRACER
+ gpr_atm value;
+#else
+ bool value;
+#endif
+} grpc_tracer_flag;
+
+#ifdef GRPC_THREADSAFE_TRACER
+#define GRPC_TRACER_ON(flag) (gpr_atm_no_barrier_load(&(flag).value) != 0)
+#define GRPC_TRACER_INITIALIZER(on) \
+ { (gpr_atm)(on) }
+#else
+#define GRPC_TRACER_ON(flag) ((flag).value)
+#define GRPC_TRACER_INITIALIZER(on) \
+ { (on) }
+#endif
+
+void grpc_register_tracer(const char *name, grpc_tracer_flag *flag);
void grpc_tracer_init(const char *env_var_name);
void grpc_tracer_shutdown(void);
diff --git a/src/core/lib/http/parser.c b/src/core/lib/http/parser.c
index aac506b800da3fe12e99ee1859ae6aa4bfa14149..a4357978e4334bf9f918ee206185501e6320b665 100644
--- a/src/core/lib/http/parser.c
+++ b/src/core/lib/http/parser.c
@@ -40,7 +40,7 @@
#include <grpc/support/log.h>
#include <grpc/support/useful.h>
-int grpc_http1_trace = 0;
+grpc_tracer_flag grpc_http1_trace = GRPC_TRACER_INITIALIZER(false);
static char *buf2str(void *buffer, size_t length) {
char *out = gpr_malloc(length + 1);
@@ -308,7 +308,7 @@ static grpc_error *addbyte(grpc_http_parser *parser, uint8_t byte,
case GRPC_HTTP_FIRST_LINE:
case GRPC_HTTP_HEADERS:
if (parser->cur_line_length >= GRPC_HTTP_PARSER_MAX_HEADER_LENGTH) {
- if (grpc_http1_trace)
+ if (GRPC_TRACER_ON(grpc_http1_trace))
gpr_log(GPR_ERROR, "HTTP header max line length (%d) exceeded",
GRPC_HTTP_PARSER_MAX_HEADER_LENGTH);
return GRPC_ERROR_CREATE_FROM_STATIC_STRING(
diff --git a/src/core/lib/http/parser.h b/src/core/lib/http/parser.h
index a68011dd4394a1cbc2500ad347e84f4a0c26c39e..a155fecf118de807a6fba5386e0144ed90dc8436 100644
--- a/src/core/lib/http/parser.h
+++ b/src/core/lib/http/parser.h
@@ -36,6 +36,7 @@
#include <grpc/slice.h>
#include <grpc/support/port_platform.h>
+#include "src/core/lib/debug/trace.h"
#include "src/core/lib/iomgr/error.h"
/* Maximum length of a header string of the form 'Key: Value\r\n' */
@@ -121,6 +122,6 @@ grpc_error *grpc_http_parser_eof(grpc_http_parser *parser);
void grpc_http_request_destroy(grpc_http_request *request);
void grpc_http_response_destroy(grpc_http_response *response);
-extern int grpc_http1_trace;
+extern grpc_tracer_flag grpc_http1_trace;
#endif /* GRPC_CORE_LIB_HTTP_PARSER_H */
diff --git a/src/core/lib/iomgr/combiner.c b/src/core/lib/iomgr/combiner.c
index 05cdbdad2b78e2bcc5ae9d4e3eab66dbae12767b..863f22c6141b7fc205cd45ffcb23af1cf3c2d124 100644
--- a/src/core/lib/iomgr/combiner.c
+++ b/src/core/lib/iomgr/combiner.c
@@ -42,13 +42,13 @@
#include "src/core/lib/iomgr/workqueue.h"
#include "src/core/lib/profiling/timers.h"
-int grpc_combiner_trace = 0;
+grpc_tracer_flag grpc_combiner_trace = GRPC_TRACER_INITIALIZER(false);
-#define GRPC_COMBINER_TRACE(fn) \
- do { \
- if (grpc_combiner_trace) { \
- fn; \
- } \
+#define GRPC_COMBINER_TRACE(fn) \
+ do { \
+ if (GRPC_TRACER_ON(grpc_combiner_trace)) { \
+ fn; \
+ } \
} while (0)
#define STATE_UNORPHANED 1
diff --git a/src/core/lib/iomgr/combiner.h b/src/core/lib/iomgr/combiner.h
index 75dcb0b70a4268e97c4c20b77dc3f28826d4539d..6ab7a2b26b2a611551d7a2ffc2943127ea9dd3e8 100644
--- a/src/core/lib/iomgr/combiner.h
+++ b/src/core/lib/iomgr/combiner.h
@@ -37,6 +37,7 @@
#include <stddef.h>
#include <grpc/support/atm.h>
+#include "src/core/lib/debug/trace.h"
#include "src/core/lib/iomgr/exec_ctx.h"
#include "src/core/lib/support/mpscq.h"
@@ -78,6 +79,6 @@ grpc_closure_scheduler *grpc_combiner_finally_scheduler(grpc_combiner *lock,
bool grpc_combiner_continue_exec_ctx(grpc_exec_ctx *exec_ctx);
-extern int grpc_combiner_trace;
+extern grpc_tracer_flag grpc_combiner_trace;
#endif /* GRPC_CORE_LIB_IOMGR_COMBINER_H */
diff --git a/src/core/lib/iomgr/ev_epoll1_linux.c b/src/core/lib/iomgr/ev_epoll1_linux.c
new file mode 100644
index 0000000000000000000000000000000000000000..ad69f808cdb7bd44120e05d857ff7b5dedad4bc7
--- /dev/null
+++ b/src/core/lib/iomgr/ev_epoll1_linux.c
@@ -0,0 +1,984 @@
+/*
+ *
+ * Copyright 2017, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/iomgr/port.h"
+
+/* This polling engine is only relevant on linux kernels supporting epoll() */
+#ifdef GRPC_LINUX_EPOLL
+
+#include "src/core/lib/iomgr/ev_epoll1_linux.h"
+
+#include <assert.h>
+#include <errno.h>
+#include <poll.h>
+#include <pthread.h>
+#include <string.h>
+#include <sys/epoll.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/cpu.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/tls.h>
+#include <grpc/support/useful.h>
+
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/lockfree_event.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
+#include "src/core/lib/iomgr/workqueue.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/block_annotate.h"
+
+static grpc_wakeup_fd global_wakeup_fd;
+static int g_epfd;
+
+/*******************************************************************************
+ * Fd Declarations
+ */
+
+struct grpc_fd {
+ int fd;
+
+ gpr_atm read_closure;
+ gpr_atm write_closure;
+
+ struct grpc_fd *freelist_next;
+
+ /* The pollset that last noticed that the fd is readable. The actual type
+ * stored in this is (grpc_pollset *) */
+ gpr_atm read_notifier_pollset;
+
+ grpc_iomgr_object iomgr_object;
+};
+
+static void fd_global_init(void);
+static void fd_global_shutdown(void);
+
+/*******************************************************************************
+ * Pollset Declarations
+ */
+
+typedef enum { UNKICKED, KICKED, DESIGNATED_POLLER } kick_state;
+
+struct grpc_pollset_worker {
+ kick_state kick_state;
+ bool initialized_cv;
+ grpc_pollset_worker *next;
+ grpc_pollset_worker *prev;
+ gpr_cv cv;
+ grpc_closure_list schedule_on_end_work;
+};
+
+#define MAX_NEIGHBOURHOODS 1024
+
+typedef struct pollset_neighbourhood {
+ gpr_mu mu;
+ grpc_pollset *active_root;
+ char pad[GPR_CACHELINE_SIZE];
+} pollset_neighbourhood;
+
+struct grpc_pollset {
+ gpr_mu mu;
+ pollset_neighbourhood *neighbourhood;
+ bool reassigning_neighbourhood;
+ grpc_pollset_worker *root_worker;
+ bool kicked_without_poller;
+ bool seen_inactive;
+ bool shutting_down; /* Is the pollset shutting down ? */
+ bool finish_shutdown_called; /* Is the 'finish_shutdown_locked()' called ? */
+ grpc_closure *shutdown_closure; /* Called after after shutdown is complete */
+ int begin_refs;
+
+ grpc_pollset *next;
+ grpc_pollset *prev;
+};
+
+/*******************************************************************************
+ * Pollset-set Declarations
+ */
+
+struct grpc_pollset_set {};
+
+/*******************************************************************************
+ * Common helpers
+ */
+
+static bool append_error(grpc_error **composite, grpc_error *error,
+ const char *desc) {
+ if (error == GRPC_ERROR_NONE) return true;
+ if (*composite == GRPC_ERROR_NONE) {
+ *composite = GRPC_ERROR_CREATE_FROM_COPIED_STRING(desc);
+ }
+ *composite = grpc_error_add_child(*composite, error);
+ return false;
+}
+
+/*******************************************************************************
+ * Fd Definitions
+ */
+
+/* We need to keep a freelist not because of any concerns of malloc performance
+ * but instead so that implementations with multiple threads in (for example)
+ * epoll_wait deal with the race between pollset removal and incoming poll
+ * notifications.
+ *
+ * The problem is that the poller ultimately holds a reference to this
+ * object, so it is very difficult to know when is safe to free it, at least
+ * without some expensive synchronization.
+ *
+ * If we keep the object freelisted, in the worst case losing this race just
+ * becomes a spurious read notification on a reused fd.
+ */
+
+/* The alarm system needs to be able to wakeup 'some poller' sometimes
+ * (specifically when a new alarm needs to be triggered earlier than the next
+ * alarm 'epoch'). This wakeup_fd gives us something to alert on when such a
+ * case occurs. */
+
+static grpc_fd *fd_freelist = NULL;
+static gpr_mu fd_freelist_mu;
+
+static void fd_global_init(void) { gpr_mu_init(&fd_freelist_mu); }
+
+static void fd_global_shutdown(void) {
+ gpr_mu_lock(&fd_freelist_mu);
+ gpr_mu_unlock(&fd_freelist_mu);
+ while (fd_freelist != NULL) {
+ grpc_fd *fd = fd_freelist;
+ fd_freelist = fd_freelist->freelist_next;
+ gpr_free(fd);
+ }
+ gpr_mu_destroy(&fd_freelist_mu);
+}
+
+static grpc_fd *fd_create(int fd, const char *name) {
+ grpc_fd *new_fd = NULL;
+
+ gpr_mu_lock(&fd_freelist_mu);
+ if (fd_freelist != NULL) {
+ new_fd = fd_freelist;
+ fd_freelist = fd_freelist->freelist_next;
+ }
+ gpr_mu_unlock(&fd_freelist_mu);
+
+ if (new_fd == NULL) {
+ new_fd = gpr_malloc(sizeof(grpc_fd));
+ }
+
+ new_fd->fd = fd;
+ grpc_lfev_init(&new_fd->read_closure);
+ grpc_lfev_init(&new_fd->write_closure);
+ gpr_atm_no_barrier_store(&new_fd->read_notifier_pollset, (gpr_atm)NULL);
+
+ new_fd->freelist_next = NULL;
+
+ char *fd_name;
+ gpr_asprintf(&fd_name, "%s fd=%d", name, fd);
+ grpc_iomgr_register_object(&new_fd->iomgr_object, fd_name);
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+ gpr_log(GPR_DEBUG, "FD %d %p create %s", fd, (void *)new_fd, fd_name);
+#endif
+ gpr_free(fd_name);
+
+ struct epoll_event ev = {.events = (uint32_t)(EPOLLIN | EPOLLOUT | EPOLLET),
+ .data.ptr = new_fd};
+ if (epoll_ctl(g_epfd, EPOLL_CTL_ADD, fd, &ev) != 0) {
+ gpr_log(GPR_ERROR, "epoll_ctl failed: %s", strerror(errno));
+ }
+
+ return new_fd;
+}
+
+static int fd_wrapped_fd(grpc_fd *fd) { return fd->fd; }
+
+/* Might be called multiple times */
+static void fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_error *why) {
+ if (grpc_lfev_set_shutdown(exec_ctx, &fd->read_closure,
+ GRPC_ERROR_REF(why))) {
+ shutdown(fd->fd, SHUT_RDWR);
+ grpc_lfev_set_shutdown(exec_ctx, &fd->write_closure, GRPC_ERROR_REF(why));
+ }
+ GRPC_ERROR_UNREF(why);
+}
+
+static void fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_closure *on_done, int *release_fd,
+ const char *reason) {
+ grpc_error *error = GRPC_ERROR_NONE;
+
+ if (!grpc_lfev_is_shutdown(&fd->read_closure)) {
+ fd_shutdown(exec_ctx, fd, GRPC_ERROR_CREATE_FROM_COPIED_STRING(reason));
+ }
+
+ /* If release_fd is not NULL, we should be relinquishing control of the file
+ descriptor fd->fd (but we still own the grpc_fd structure). */
+ if (release_fd != NULL) {
+ *release_fd = fd->fd;
+ } else {
+ close(fd->fd);
+ }
+
+ grpc_closure_sched(exec_ctx, on_done, GRPC_ERROR_REF(error));
+
+ grpc_iomgr_unregister_object(&fd->iomgr_object);
+ grpc_lfev_destroy(&fd->read_closure);
+ grpc_lfev_destroy(&fd->write_closure);
+
+ gpr_mu_lock(&fd_freelist_mu);
+ fd->freelist_next = fd_freelist;
+ fd_freelist = fd;
+ gpr_mu_unlock(&fd_freelist_mu);
+}
+
+static grpc_pollset *fd_get_read_notifier_pollset(grpc_exec_ctx *exec_ctx,
+ grpc_fd *fd) {
+ gpr_atm notifier = gpr_atm_acq_load(&fd->read_notifier_pollset);
+ return (grpc_pollset *)notifier;
+}
+
+static bool fd_is_shutdown(grpc_fd *fd) {
+ return grpc_lfev_is_shutdown(&fd->read_closure);
+}
+
+static void fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_closure *closure) {
+ grpc_lfev_notify_on(exec_ctx, &fd->read_closure, closure);
+}
+
+static void fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_closure *closure) {
+ grpc_lfev_notify_on(exec_ctx, &fd->write_closure, closure);
+}
+
+static grpc_workqueue *fd_get_workqueue(grpc_fd *fd) {
+ return (grpc_workqueue *)0xb0b51ed;
+}
+
+static void fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_pollset *notifier) {
+ grpc_lfev_set_ready(exec_ctx, &fd->read_closure);
+
+ /* Note, it is possible that fd_become_readable might be called twice with
+ different 'notifier's when an fd becomes readable and it is in two epoll
+ sets (This can happen briefly during polling island merges). In such cases
+ it does not really matter which notifer is set as the read_notifier_pollset
+ (They would both point to the same polling island anyway) */
+ /* Use release store to match with acquire load in fd_get_read_notifier */
+ gpr_atm_rel_store(&fd->read_notifier_pollset, (gpr_atm)notifier);
+}
+
+static void fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+ grpc_lfev_set_ready(exec_ctx, &fd->write_closure);
+}
+
+/*******************************************************************************
+ * Pollset Definitions
+ */
+
+GPR_TLS_DECL(g_current_thread_pollset);
+GPR_TLS_DECL(g_current_thread_worker);
+static gpr_atm g_active_poller;
+static pollset_neighbourhood *g_neighbourhoods;
+static size_t g_num_neighbourhoods;
+static gpr_mu g_wq_mu;
+static grpc_closure_list g_wq_items;
+
+/* Return true if first in list */
+static bool worker_insert(grpc_pollset *pollset, grpc_pollset_worker *worker) {
+ if (pollset->root_worker == NULL) {
+ pollset->root_worker = worker;
+ worker->next = worker->prev = worker;
+ return true;
+ } else {
+ worker->next = pollset->root_worker;
+ worker->prev = worker->next->prev;
+ worker->next->prev = worker;
+ worker->prev->next = worker;
+ return false;
+ }
+}
+
+/* Return true if last in list */
+typedef enum { EMPTIED, NEW_ROOT, REMOVED } worker_remove_result;
+
+static worker_remove_result worker_remove(grpc_pollset *pollset,
+ grpc_pollset_worker *worker) {
+ if (worker == pollset->root_worker) {
+ if (worker == worker->next) {
+ pollset->root_worker = NULL;
+ return EMPTIED;
+ } else {
+ pollset->root_worker = worker->next;
+ worker->prev->next = worker->next;
+ worker->next->prev = worker->prev;
+ return NEW_ROOT;
+ }
+ } else {
+ worker->prev->next = worker->next;
+ worker->next->prev = worker->prev;
+ return REMOVED;
+ }
+}
+
+static size_t choose_neighbourhood(void) {
+ return (size_t)gpr_cpu_current_cpu() % g_num_neighbourhoods;
+}
+
+static grpc_error *pollset_global_init(void) {
+ gpr_tls_init(&g_current_thread_pollset);
+ gpr_tls_init(&g_current_thread_worker);
+ gpr_atm_no_barrier_store(&g_active_poller, 0);
+ global_wakeup_fd.read_fd = -1;
+ grpc_error *err = grpc_wakeup_fd_init(&global_wakeup_fd);
+ gpr_mu_init(&g_wq_mu);
+ g_wq_items = (grpc_closure_list)GRPC_CLOSURE_LIST_INIT;
+ if (err != GRPC_ERROR_NONE) return err;
+ struct epoll_event ev = {.events = (uint32_t)(EPOLLIN | EPOLLET),
+ .data.ptr = &global_wakeup_fd};
+ if (epoll_ctl(g_epfd, EPOLL_CTL_ADD, global_wakeup_fd.read_fd, &ev) != 0) {
+ return GRPC_OS_ERROR(errno, "epoll_ctl");
+ }
+ g_num_neighbourhoods = GPR_CLAMP(gpr_cpu_num_cores(), 1, MAX_NEIGHBOURHOODS);
+ g_neighbourhoods =
+ gpr_zalloc(sizeof(*g_neighbourhoods) * g_num_neighbourhoods);
+ for (size_t i = 0; i < g_num_neighbourhoods; i++) {
+ gpr_mu_init(&g_neighbourhoods[i].mu);
+ }
+ return GRPC_ERROR_NONE;
+}
+
+static void pollset_global_shutdown(void) {
+ gpr_tls_destroy(&g_current_thread_pollset);
+ gpr_tls_destroy(&g_current_thread_worker);
+ gpr_mu_destroy(&g_wq_mu);
+ if (global_wakeup_fd.read_fd != -1) grpc_wakeup_fd_destroy(&global_wakeup_fd);
+ for (size_t i = 0; i < g_num_neighbourhoods; i++) {
+ gpr_mu_destroy(&g_neighbourhoods[i].mu);
+ }
+ gpr_free(g_neighbourhoods);
+}
+
+static void pollset_init(grpc_pollset *pollset, gpr_mu **mu) {
+ gpr_mu_init(&pollset->mu);
+ *mu = &pollset->mu;
+ pollset->neighbourhood = &g_neighbourhoods[choose_neighbourhood()];
+ pollset->seen_inactive = true;
+}
+
+static void pollset_destroy(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
+ gpr_mu_lock(&pollset->mu);
+ if (!pollset->seen_inactive) {
+ pollset_neighbourhood *neighbourhood = pollset->neighbourhood;
+ gpr_mu_unlock(&pollset->mu);
+ retry_lock_neighbourhood:
+ gpr_mu_lock(&neighbourhood->mu);
+ gpr_mu_lock(&pollset->mu);
+ if (!pollset->seen_inactive) {
+ if (pollset->neighbourhood != neighbourhood) {
+ gpr_mu_unlock(&neighbourhood->mu);
+ neighbourhood = pollset->neighbourhood;
+ gpr_mu_unlock(&pollset->mu);
+ goto retry_lock_neighbourhood;
+ }
+ pollset->prev->next = pollset->next;
+ pollset->next->prev = pollset->prev;
+ if (pollset == pollset->neighbourhood->active_root) {
+ pollset->neighbourhood->active_root =
+ pollset->next == pollset ? NULL : pollset->next;
+ }
+ }
+ gpr_mu_unlock(&pollset->neighbourhood->mu);
+ }
+ gpr_mu_unlock(&pollset->mu);
+ gpr_mu_destroy(&pollset->mu);
+}
+
+static grpc_error *pollset_kick_all(grpc_pollset *pollset) {
+ grpc_error *error = GRPC_ERROR_NONE;
+ if (pollset->root_worker != NULL) {
+ grpc_pollset_worker *worker = pollset->root_worker;
+ do {
+ if (worker->initialized_cv) {
+ worker->kick_state = KICKED;
+ gpr_cv_signal(&worker->cv);
+ } else {
+ worker->kick_state = KICKED;
+ append_error(&error, grpc_wakeup_fd_wakeup(&global_wakeup_fd),
+ "pollset_shutdown");
+ }
+
+ worker = worker->next;
+ } while (worker != pollset->root_worker);
+ }
+ return error;
+}
+
+static void pollset_maybe_finish_shutdown(grpc_exec_ctx *exec_ctx,
+ grpc_pollset *pollset) {
+ if (pollset->shutdown_closure != NULL && pollset->root_worker == NULL &&
+ pollset->begin_refs == 0) {
+ grpc_closure_sched(exec_ctx, pollset->shutdown_closure, GRPC_ERROR_NONE);
+ pollset->shutdown_closure = NULL;
+ }
+}
+
+static void pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_closure *closure) {
+ GPR_ASSERT(pollset->shutdown_closure == NULL);
+ pollset->shutdown_closure = closure;
+ GRPC_LOG_IF_ERROR("pollset_shutdown", pollset_kick_all(pollset));
+ pollset_maybe_finish_shutdown(exec_ctx, pollset);
+}
+
+#define MAX_EPOLL_EVENTS 100
+
+static int poll_deadline_to_millis_timeout(gpr_timespec deadline,
+ gpr_timespec now) {
+ gpr_timespec timeout;
+ if (gpr_time_cmp(deadline, gpr_inf_future(deadline.clock_type)) == 0) {
+ return -1;
+ }
+
+ if (gpr_time_cmp(deadline, now) <= 0) {
+ return 0;
+ }
+
+ static const gpr_timespec round_up = {
+ .clock_type = GPR_TIMESPAN, .tv_sec = 0, .tv_nsec = GPR_NS_PER_MS - 1};
+ timeout = gpr_time_sub(deadline, now);
+ int millis = gpr_time_to_millis(gpr_time_add(timeout, round_up));
+ return millis >= 1 ? millis : 1;
+}
+
+static grpc_error *pollset_epoll(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ gpr_timespec now, gpr_timespec deadline) {
+ struct epoll_event events[MAX_EPOLL_EVENTS];
+ static const char *err_desc = "pollset_poll";
+
+ int timeout = poll_deadline_to_millis_timeout(deadline, now);
+
+ if (timeout != 0) {
+ GRPC_SCHEDULING_START_BLOCKING_REGION;
+ }
+ int r;
+ do {
+ r = epoll_wait(g_epfd, events, MAX_EPOLL_EVENTS, timeout);
+ } while (r < 0 && errno == EINTR);
+ if (timeout != 0) {
+ GRPC_SCHEDULING_END_BLOCKING_REGION;
+ }
+
+ if (r < 0) return GRPC_OS_ERROR(errno, "epoll_wait");
+
+ grpc_error *error = GRPC_ERROR_NONE;
+ for (int i = 0; i < r; i++) {
+ void *data_ptr = events[i].data.ptr;
+ if (data_ptr == &global_wakeup_fd) {
+ gpr_mu_lock(&g_wq_mu);
+ grpc_closure_list_move(&g_wq_items, &exec_ctx->closure_list);
+ gpr_mu_unlock(&g_wq_mu);
+ append_error(&error, grpc_wakeup_fd_consume_wakeup(&global_wakeup_fd),
+ err_desc);
+ } else {
+ grpc_fd *fd = (grpc_fd *)(data_ptr);
+ bool cancel = (events[i].events & (EPOLLERR | EPOLLHUP)) != 0;
+ bool read_ev = (events[i].events & (EPOLLIN | EPOLLPRI)) != 0;
+ bool write_ev = (events[i].events & EPOLLOUT) != 0;
+ if (read_ev || cancel) {
+ fd_become_readable(exec_ctx, fd, pollset);
+ }
+ if (write_ev || cancel) {
+ fd_become_writable(exec_ctx, fd);
+ }
+ }
+ }
+
+ return error;
+}
+
+static bool begin_worker(grpc_pollset *pollset, grpc_pollset_worker *worker,
+ grpc_pollset_worker **worker_hdl, gpr_timespec *now,
+ gpr_timespec deadline) {
+ if (worker_hdl != NULL) *worker_hdl = worker;
+ worker->initialized_cv = false;
+ worker->kick_state = UNKICKED;
+ worker->schedule_on_end_work = (grpc_closure_list)GRPC_CLOSURE_LIST_INIT;
+ pollset->begin_refs++;
+
+ if (pollset->seen_inactive) {
+ // pollset has been observed to be inactive, we need to move back to the
+ // active list
+ bool is_reassigning = false;
+ if (!pollset->reassigning_neighbourhood) {
+ is_reassigning = true;
+ pollset->reassigning_neighbourhood = true;
+ pollset->neighbourhood = &g_neighbourhoods[choose_neighbourhood()];
+ }
+ pollset_neighbourhood *neighbourhood = pollset->neighbourhood;
+ gpr_mu_unlock(&pollset->mu);
+ // pollset unlocked: state may change (even worker->kick_state)
+ retry_lock_neighbourhood:
+ gpr_mu_lock(&neighbourhood->mu);
+ gpr_mu_lock(&pollset->mu);
+ if (pollset->seen_inactive) {
+ if (neighbourhood != pollset->neighbourhood) {
+ gpr_mu_unlock(&neighbourhood->mu);
+ neighbourhood = pollset->neighbourhood;
+ gpr_mu_unlock(&pollset->mu);
+ goto retry_lock_neighbourhood;
+ }
+ pollset->seen_inactive = false;
+ if (neighbourhood->active_root == NULL) {
+ neighbourhood->active_root = pollset->next = pollset->prev = pollset;
+ if (gpr_atm_no_barrier_cas(&g_active_poller, 0, (gpr_atm)worker)) {
+ worker->kick_state = DESIGNATED_POLLER;
+ }
+ } else {
+ pollset->next = neighbourhood->active_root;
+ pollset->prev = pollset->next->prev;
+ pollset->next->prev = pollset->prev->next = pollset;
+ }
+ }
+ if (is_reassigning) {
+ GPR_ASSERT(pollset->reassigning_neighbourhood);
+ pollset->reassigning_neighbourhood = false;
+ }
+ gpr_mu_unlock(&neighbourhood->mu);
+ }
+ worker_insert(pollset, worker);
+ pollset->begin_refs--;
+ if (worker->kick_state == UNKICKED) {
+ GPR_ASSERT(gpr_atm_no_barrier_load(&g_active_poller) != (gpr_atm)worker);
+ worker->initialized_cv = true;
+ gpr_cv_init(&worker->cv);
+ while (worker->kick_state == UNKICKED &&
+ pollset->shutdown_closure == NULL) {
+ if (gpr_cv_wait(&worker->cv, &pollset->mu, deadline) &&
+ worker->kick_state == UNKICKED) {
+ worker->kick_state = KICKED;
+ }
+ }
+ *now = gpr_now(now->clock_type);
+ }
+
+ return worker->kick_state == DESIGNATED_POLLER &&
+ pollset->shutdown_closure == NULL;
+}
+
+static bool check_neighbourhood_for_available_poller(
+ pollset_neighbourhood *neighbourhood) {
+ bool found_worker = false;
+ do {
+ grpc_pollset *inspect = neighbourhood->active_root;
+ if (inspect == NULL) {
+ break;
+ }
+ gpr_mu_lock(&inspect->mu);
+ GPR_ASSERT(!inspect->seen_inactive);
+ grpc_pollset_worker *inspect_worker = inspect->root_worker;
+ if (inspect_worker != NULL) {
+ do {
+ switch (inspect_worker->kick_state) {
+ case UNKICKED:
+ if (gpr_atm_no_barrier_cas(&g_active_poller, 0,
+ (gpr_atm)inspect_worker)) {
+ inspect_worker->kick_state = DESIGNATED_POLLER;
+ if (inspect_worker->initialized_cv) {
+ gpr_cv_signal(&inspect_worker->cv);
+ }
+ }
+ // even if we didn't win the cas, there's a worker, we can stop
+ found_worker = true;
+ break;
+ case KICKED:
+ break;
+ case DESIGNATED_POLLER:
+ found_worker = true; // ok, so someone else found the worker, but
+ // we'll accept that
+ break;
+ }
+ inspect_worker = inspect_worker->next;
+ } while (inspect_worker != inspect->root_worker);
+ }
+ if (!found_worker) {
+ inspect->seen_inactive = true;
+ if (inspect == neighbourhood->active_root) {
+ neighbourhood->active_root =
+ inspect->next == inspect ? NULL : inspect->next;
+ }
+ inspect->next->prev = inspect->prev;
+ inspect->prev->next = inspect->next;
+ inspect->next = inspect->prev = NULL;
+ }
+ gpr_mu_unlock(&inspect->mu);
+ } while (!found_worker);
+ return found_worker;
+}
+
+static void end_worker(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_pollset_worker *worker,
+ grpc_pollset_worker **worker_hdl) {
+ if (worker_hdl != NULL) *worker_hdl = NULL;
+ worker->kick_state = KICKED;
+ grpc_closure_list_move(&worker->schedule_on_end_work,
+ &exec_ctx->closure_list);
+ if (gpr_atm_no_barrier_load(&g_active_poller) == (gpr_atm)worker) {
+ if (worker->next != worker && worker->next->kick_state == UNKICKED) {
+ GPR_ASSERT(worker->next->initialized_cv);
+ gpr_atm_no_barrier_store(&g_active_poller, (gpr_atm)worker->next);
+ worker->next->kick_state = DESIGNATED_POLLER;
+ gpr_cv_signal(&worker->next->cv);
+ if (grpc_exec_ctx_has_work(exec_ctx)) {
+ gpr_mu_unlock(&pollset->mu);
+ grpc_exec_ctx_flush(exec_ctx);
+ gpr_mu_lock(&pollset->mu);
+ }
+ } else {
+ gpr_atm_no_barrier_store(&g_active_poller, 0);
+ gpr_mu_unlock(&pollset->mu);
+ size_t poller_neighbourhood_idx =
+ (size_t)(pollset->neighbourhood - g_neighbourhoods);
+ bool found_worker = false;
+ bool scan_state[MAX_NEIGHBOURHOODS];
+ for (size_t i = 0; !found_worker && i < g_num_neighbourhoods; i++) {
+ pollset_neighbourhood *neighbourhood =
+ &g_neighbourhoods[(poller_neighbourhood_idx + i) %
+ g_num_neighbourhoods];
+ if (gpr_mu_trylock(&neighbourhood->mu)) {
+ found_worker =
+ check_neighbourhood_for_available_poller(neighbourhood);
+ gpr_mu_unlock(&neighbourhood->mu);
+ scan_state[i] = true;
+ } else {
+ scan_state[i] = false;
+ }
+ }
+ for (size_t i = 0; !found_worker && i < g_num_neighbourhoods; i++) {
+ if (scan_state[i]) continue;
+ pollset_neighbourhood *neighbourhood =
+ &g_neighbourhoods[(poller_neighbourhood_idx + i) %
+ g_num_neighbourhoods];
+ gpr_mu_lock(&neighbourhood->mu);
+ found_worker = check_neighbourhood_for_available_poller(neighbourhood);
+ gpr_mu_unlock(&neighbourhood->mu);
+ }
+ grpc_exec_ctx_flush(exec_ctx);
+ gpr_mu_lock(&pollset->mu);
+ }
+ } else if (grpc_exec_ctx_has_work(exec_ctx)) {
+ gpr_mu_unlock(&pollset->mu);
+ grpc_exec_ctx_flush(exec_ctx);
+ gpr_mu_lock(&pollset->mu);
+ }
+ if (worker->initialized_cv) {
+ gpr_cv_destroy(&worker->cv);
+ }
+ if (EMPTIED == worker_remove(pollset, worker)) {
+ pollset_maybe_finish_shutdown(exec_ctx, pollset);
+ }
+ GPR_ASSERT(gpr_atm_no_barrier_load(&g_active_poller) != (gpr_atm)worker);
+}
+
+/* pollset->po.mu lock must be held by the caller before calling this.
+ The function pollset_work() may temporarily release the lock (pollset->po.mu)
+ during the course of its execution but it will always re-acquire the lock and
+ ensure that it is held by the time the function returns */
+static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_pollset_worker **worker_hdl,
+ gpr_timespec now, gpr_timespec deadline) {
+ grpc_pollset_worker worker;
+ grpc_error *error = GRPC_ERROR_NONE;
+ static const char *err_desc = "pollset_work";
+ if (pollset->kicked_without_poller) {
+ pollset->kicked_without_poller = false;
+ return GRPC_ERROR_NONE;
+ }
+ gpr_tls_set(&g_current_thread_pollset, (intptr_t)pollset);
+ if (begin_worker(pollset, &worker, worker_hdl, &now, deadline)) {
+ gpr_tls_set(&g_current_thread_worker, (intptr_t)&worker);
+ GPR_ASSERT(!pollset->shutdown_closure);
+ GPR_ASSERT(!pollset->seen_inactive);
+ gpr_mu_unlock(&pollset->mu);
+ append_error(&error, pollset_epoll(exec_ctx, pollset, now, deadline),
+ err_desc);
+ gpr_mu_lock(&pollset->mu);
+ gpr_tls_set(&g_current_thread_worker, 0);
+ }
+ end_worker(exec_ctx, pollset, &worker, worker_hdl);
+ gpr_tls_set(&g_current_thread_pollset, 0);
+ return error;
+}
+
+static grpc_error *pollset_kick(grpc_pollset *pollset,
+ grpc_pollset_worker *specific_worker) {
+ if (specific_worker == NULL) {
+ if (gpr_tls_get(&g_current_thread_pollset) != (intptr_t)pollset) {
+ grpc_pollset_worker *root_worker = pollset->root_worker;
+ if (root_worker == NULL) {
+ pollset->kicked_without_poller = true;
+ return GRPC_ERROR_NONE;
+ }
+ grpc_pollset_worker *next_worker = root_worker->next;
+ if (root_worker == next_worker &&
+ root_worker == (grpc_pollset_worker *)gpr_atm_no_barrier_load(
+ &g_active_poller)) {
+ root_worker->kick_state = KICKED;
+ return grpc_wakeup_fd_wakeup(&global_wakeup_fd);
+ } else if (next_worker->kick_state == UNKICKED) {
+ GPR_ASSERT(next_worker->initialized_cv);
+ next_worker->kick_state = KICKED;
+ gpr_cv_signal(&next_worker->cv);
+ return GRPC_ERROR_NONE;
+ } else {
+ return GRPC_ERROR_NONE;
+ }
+ } else {
+ return GRPC_ERROR_NONE;
+ }
+ } else if (specific_worker->kick_state == KICKED) {
+ return GRPC_ERROR_NONE;
+ } else if (gpr_tls_get(&g_current_thread_worker) ==
+ (intptr_t)specific_worker) {
+ specific_worker->kick_state = KICKED;
+ return GRPC_ERROR_NONE;
+ } else if (specific_worker ==
+ (grpc_pollset_worker *)gpr_atm_no_barrier_load(&g_active_poller)) {
+ specific_worker->kick_state = KICKED;
+ return grpc_wakeup_fd_wakeup(&global_wakeup_fd);
+ } else if (specific_worker->initialized_cv) {
+ specific_worker->kick_state = KICKED;
+ gpr_cv_signal(&specific_worker->cv);
+ return GRPC_ERROR_NONE;
+ } else {
+ specific_worker->kick_state = KICKED;
+ return GRPC_ERROR_NONE;
+ }
+}
+
+static void pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_fd *fd) {}
+
+/*******************************************************************************
+ * Workqueue Definitions
+ */
+
+#ifdef GRPC_WORKQUEUE_REFCOUNT_DEBUG
+static grpc_workqueue *workqueue_ref(grpc_workqueue *workqueue,
+ const char *file, int line,
+ const char *reason) {
+ return workqueue;
+}
+
+static void workqueue_unref(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue,
+ const char *file, int line, const char *reason) {}
+#else
+static grpc_workqueue *workqueue_ref(grpc_workqueue *workqueue) {
+ return workqueue;
+}
+
+static void workqueue_unref(grpc_exec_ctx *exec_ctx,
+ grpc_workqueue *workqueue) {}
+#endif
+
+static void wq_sched(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
+ grpc_error *error) {
+ // find a neighbourhood to wakeup
+ bool scheduled = false;
+ size_t initial_neighbourhood = choose_neighbourhood();
+ for (size_t i = 0; !scheduled && i < g_num_neighbourhoods; i++) {
+ pollset_neighbourhood *neighbourhood =
+ &g_neighbourhoods[(initial_neighbourhood + i) % g_num_neighbourhoods];
+ if (gpr_mu_trylock(&neighbourhood->mu)) {
+ if (neighbourhood->active_root != NULL) {
+ grpc_pollset *inspect = neighbourhood->active_root;
+ do {
+ if (gpr_mu_trylock(&inspect->mu)) {
+ if (inspect->root_worker != NULL) {
+ grpc_pollset_worker *inspect_worker = inspect->root_worker;
+ do {
+ if (inspect_worker->kick_state == UNKICKED) {
+ inspect_worker->kick_state = KICKED;
+ grpc_closure_list_append(
+ &inspect_worker->schedule_on_end_work, closure, error);
+ if (inspect_worker->initialized_cv) {
+ gpr_cv_signal(&inspect_worker->cv);
+ }
+ scheduled = true;
+ }
+ inspect_worker = inspect_worker->next;
+ } while (!scheduled && inspect_worker != inspect->root_worker);
+ }
+ gpr_mu_unlock(&inspect->mu);
+ }
+ inspect = inspect->next;
+ } while (!scheduled && inspect != neighbourhood->active_root);
+ }
+ gpr_mu_unlock(&neighbourhood->mu);
+ }
+ }
+ if (!scheduled) {
+ gpr_mu_lock(&g_wq_mu);
+ grpc_closure_list_append(&g_wq_items, closure, error);
+ gpr_mu_unlock(&g_wq_mu);
+ GRPC_LOG_IF_ERROR("workqueue_scheduler",
+ grpc_wakeup_fd_wakeup(&global_wakeup_fd));
+ }
+}
+
+static const grpc_closure_scheduler_vtable
+ singleton_workqueue_scheduler_vtable = {wq_sched, wq_sched,
+ "epoll1_workqueue"};
+
+static grpc_closure_scheduler singleton_workqueue_scheduler = {
+ &singleton_workqueue_scheduler_vtable};
+
+static grpc_closure_scheduler *workqueue_scheduler(grpc_workqueue *workqueue) {
+ return &singleton_workqueue_scheduler;
+}
+
+/*******************************************************************************
+ * Pollset-set Definitions
+ */
+
+static grpc_pollset_set *pollset_set_create(void) {
+ return (grpc_pollset_set *)((intptr_t)0xdeafbeef);
+}
+
+static void pollset_set_destroy(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *pss) {}
+
+static void pollset_set_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset_set *pss,
+ grpc_fd *fd) {}
+
+static void pollset_set_del_fd(grpc_exec_ctx *exec_ctx, grpc_pollset_set *pss,
+ grpc_fd *fd) {}
+
+static void pollset_set_add_pollset(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *pss, grpc_pollset *ps) {}
+
+static void pollset_set_del_pollset(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *pss, grpc_pollset *ps) {}
+
+static void pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *bag,
+ grpc_pollset_set *item) {}
+
+static void pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *bag,
+ grpc_pollset_set *item) {}
+
+/*******************************************************************************
+ * Event engine binding
+ */
+
+static void shutdown_engine(void) {
+ fd_global_shutdown();
+ pollset_global_shutdown();
+}
+
+static const grpc_event_engine_vtable vtable = {
+ .pollset_size = sizeof(grpc_pollset),
+
+ .fd_create = fd_create,
+ .fd_wrapped_fd = fd_wrapped_fd,
+ .fd_orphan = fd_orphan,
+ .fd_shutdown = fd_shutdown,
+ .fd_is_shutdown = fd_is_shutdown,
+ .fd_notify_on_read = fd_notify_on_read,
+ .fd_notify_on_write = fd_notify_on_write,
+ .fd_get_read_notifier_pollset = fd_get_read_notifier_pollset,
+ .fd_get_workqueue = fd_get_workqueue,
+
+ .pollset_init = pollset_init,
+ .pollset_shutdown = pollset_shutdown,
+ .pollset_destroy = pollset_destroy,
+ .pollset_work = pollset_work,
+ .pollset_kick = pollset_kick,
+ .pollset_add_fd = pollset_add_fd,
+
+ .pollset_set_create = pollset_set_create,
+ .pollset_set_destroy = pollset_set_destroy,
+ .pollset_set_add_pollset = pollset_set_add_pollset,
+ .pollset_set_del_pollset = pollset_set_del_pollset,
+ .pollset_set_add_pollset_set = pollset_set_add_pollset_set,
+ .pollset_set_del_pollset_set = pollset_set_del_pollset_set,
+ .pollset_set_add_fd = pollset_set_add_fd,
+ .pollset_set_del_fd = pollset_set_del_fd,
+
+ .workqueue_ref = workqueue_ref,
+ .workqueue_unref = workqueue_unref,
+ .workqueue_scheduler = workqueue_scheduler,
+
+ .shutdown_engine = shutdown_engine,
+};
+
+/* It is possible that GLIBC has epoll but the underlying kernel doesn't.
+ * Create a dummy epoll_fd to make sure epoll support is available */
+const grpc_event_engine_vtable *grpc_init_epoll1_linux(bool explicit_request) {
+ /* TODO(ctiller): temporary, until this stabilizes */
+ if (!explicit_request) return NULL;
+
+ if (!grpc_has_wakeup_fd()) {
+ return NULL;
+ }
+
+ g_epfd = epoll_create1(EPOLL_CLOEXEC);
+ if (g_epfd < 0) {
+ gpr_log(GPR_ERROR, "epoll unavailable");
+ return NULL;
+ }
+
+ fd_global_init();
+
+ if (!GRPC_LOG_IF_ERROR("pollset_global_init", pollset_global_init())) {
+ close(g_epfd);
+ fd_global_shutdown();
+ return NULL;
+ }
+
+ return &vtable;
+}
+
+#else /* defined(GRPC_LINUX_EPOLL) */
+#if defined(GRPC_POSIX_SOCKET)
+#include "src/core/lib/iomgr/ev_posix.h"
+/* If GRPC_LINUX_EPOLL is not defined, it means epoll is not available. Return
+ * NULL */
+const grpc_event_engine_vtable *grpc_init_epoll1_linux(bool explicit_request) {
+ return NULL;
+}
+#endif /* defined(GRPC_POSIX_SOCKET) */
+#endif /* !defined(GRPC_LINUX_EPOLL) */
diff --git a/src/core/lib/iomgr/ev_epoll1_linux.h b/src/core/lib/iomgr/ev_epoll1_linux.h
new file mode 100644
index 0000000000000000000000000000000000000000..bd52478a7c176ab55e1f42166518e141d692f2f7
--- /dev/null
+++ b/src/core/lib/iomgr/ev_epoll1_linux.h
@@ -0,0 +1,44 @@
+/*
+ *
+ * Copyright 2017, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_IOMGR_EV_EPOLL1_LINUX_H
+#define GRPC_CORE_LIB_IOMGR_EV_EPOLL1_LINUX_H
+
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/port.h"
+
+// a polling engine that utilizes a singleton epoll set and turnstile polling
+
+const grpc_event_engine_vtable *grpc_init_epoll1_linux(bool explicit_request);
+
+#endif /* GRPC_CORE_LIB_IOMGR_EV_EPOLL1_LINUX_H */
diff --git a/src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c b/src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
new file mode 100644
index 0000000000000000000000000000000000000000..d23bf6c06cbd72da21ff795491ba44eddbd9e4b4
--- /dev/null
+++ b/src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
@@ -0,0 +1,2146 @@
+/*
+ *
+ * Copyright 2017, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/iomgr/port.h"
+
+/* This polling engine is only relevant on linux kernels supporting epoll() */
+#ifdef GRPC_LINUX_EPOLL
+
+#include "src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h"
+
+#include <assert.h>
+#include <errno.h>
+#include <limits.h>
+#include <poll.h>
+#include <pthread.h>
+#include <signal.h>
+#include <string.h>
+#include <sys/epoll.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/tls.h>
+#include <grpc/support/useful.h>
+
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/lockfree_event.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
+#include "src/core/lib/iomgr/workqueue.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/block_annotate.h"
+#include "src/core/lib/support/env.h"
+
+#define GRPC_POLLING_TRACE(fmt, ...) \
+ if (GRPC_TRACER_ON(grpc_polling_trace)) { \
+ gpr_log(GPR_INFO, (fmt), __VA_ARGS__); \
+ }
+
+#define GRPC_POLLSET_KICK_BROADCAST ((grpc_pollset_worker *)1)
+
+/* Uncomment the following to enable extra checks on poll_object operations */
+/* #define PO_DEBUG */
+
+/* The maximum number of polling threads per polling island. By default no
+ limit */
+static int g_max_pollers_per_pi = INT_MAX;
+
+static int grpc_wakeup_signal = -1;
+static bool is_grpc_wakeup_signal_initialized = false;
+
+/* Implements the function defined in grpc_posix.h. This function might be
+ * called before even calling grpc_init() to set either a different signal to
+ * use. If signum == -1, then the use of signals is disabled */
+static void grpc_use_signal(int signum) {
+ grpc_wakeup_signal = signum;
+ is_grpc_wakeup_signal_initialized = true;
+
+ if (grpc_wakeup_signal < 0) {
+ gpr_log(GPR_INFO,
+ "Use of signals is disabled. Epoll engine will not be used");
+ } else {
+ gpr_log(GPR_INFO, "epoll engine will be using signal: %d",
+ grpc_wakeup_signal);
+ }
+}
+
+struct polling_island;
+
+typedef enum {
+ POLL_OBJ_FD,
+ POLL_OBJ_POLLSET,
+ POLL_OBJ_POLLSET_SET
+} poll_obj_type;
+
+typedef struct poll_obj {
+#ifdef PO_DEBUG
+ poll_obj_type obj_type;
+#endif
+ gpr_mu mu;
+ struct polling_island *pi;
+} poll_obj;
+
+static const char *poll_obj_string(poll_obj_type po_type) {
+ switch (po_type) {
+ case POLL_OBJ_FD:
+ return "fd";
+ case POLL_OBJ_POLLSET:
+ return "pollset";
+ case POLL_OBJ_POLLSET_SET:
+ return "pollset_set";
+ }
+
+ GPR_UNREACHABLE_CODE(return "UNKNOWN");
+}
+
+/*******************************************************************************
+ * Fd Declarations
+ */
+
+#define FD_FROM_PO(po) ((grpc_fd *)(po))
+
+struct grpc_fd {
+ poll_obj po;
+
+ int fd;
+ /* refst format:
+ bit 0 : 1=Active / 0=Orphaned
+ bits 1-n : refcount
+ Ref/Unref by two to avoid altering the orphaned bit */
+ gpr_atm refst;
+
+ /* The fd is either closed or we relinquished control of it. In either
+ cases, this indicates that the 'fd' on this structure is no longer
+ valid */
+ bool orphaned;
+
+ gpr_atm read_closure;
+ gpr_atm write_closure;
+
+ struct grpc_fd *freelist_next;
+ grpc_closure *on_done_closure;
+
+ /* The pollset that last noticed that the fd is readable. The actual type
+ * stored in this is (grpc_pollset *) */
+ gpr_atm read_notifier_pollset;
+
+ grpc_iomgr_object iomgr_object;
+};
+
+/* Reference counting for fds */
+// #define GRPC_FD_REF_COUNT_DEBUG
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+static void fd_ref(grpc_fd *fd, const char *reason, const char *file, int line);
+static void fd_unref(grpc_fd *fd, const char *reason, const char *file,
+ int line);
+#define GRPC_FD_REF(fd, reason) fd_ref(fd, reason, __FILE__, __LINE__)
+#define GRPC_FD_UNREF(fd, reason) fd_unref(fd, reason, __FILE__, __LINE__)
+#else
+static void fd_ref(grpc_fd *fd);
+static void fd_unref(grpc_fd *fd);
+#define GRPC_FD_REF(fd, reason) fd_ref(fd)
+#define GRPC_FD_UNREF(fd, reason) fd_unref(fd)
+#endif
+
+static void fd_global_init(void);
+static void fd_global_shutdown(void);
+
+/*******************************************************************************
+ * Polling island Declarations
+ */
+
+#ifdef GRPC_WORKQUEUE_REFCOUNT_DEBUG
+
+#define PI_ADD_REF(p, r) pi_add_ref_dbg((p), (r), __FILE__, __LINE__)
+#define PI_UNREF(exec_ctx, p, r) \
+ pi_unref_dbg((exec_ctx), (p), (r), __FILE__, __LINE__)
+
+#else /* defined(GRPC_WORKQUEUE_REFCOUNT_DEBUG) */
+
+#define PI_ADD_REF(p, r) pi_add_ref((p))
+#define PI_UNREF(exec_ctx, p, r) pi_unref((exec_ctx), (p))
+
+#endif /* !defined(GRPC_PI_REF_COUNT_DEBUG) */
+
+typedef struct worker_node {
+ struct worker_node *next;
+ struct worker_node *prev;
+} worker_node;
+
+/* This is also used as grpc_workqueue (by directly casing it) */
+typedef struct polling_island {
+ grpc_closure_scheduler workqueue_scheduler;
+
+ gpr_mu mu;
+ /* Ref count. Use PI_ADD_REF() and PI_UNREF() macros to increment/decrement
+ the refcount.
+ Once the ref count becomes zero, this structure is destroyed which means
+ we should ensure that there is never a scenario where a PI_ADD_REF() is
+ racing with a PI_UNREF() that just made the ref_count zero. */
+ gpr_atm ref_count;
+
+ /* Pointer to the polling_island this merged into.
+ * merged_to value is only set once in polling_island's lifetime (and that too
+ * only if the island is merged with another island). Because of this, we can
+ * use gpr_atm type here so that we can do atomic access on this and reduce
+ * lock contention on 'mu' mutex.
+ *
+ * Note that if this field is not NULL (i.e not 0), all the remaining fields
+ * (except mu and ref_count) are invalid and must be ignored. */
+ gpr_atm merged_to;
+
+ /* Number of threads currently polling on this island */
+ gpr_atm poller_count;
+ /* Mutex guarding the read end of the workqueue (must be held to pop from
+ * workqueue_items) */
+ gpr_mu workqueue_read_mu;
+ /* Queue of closures to be executed */
+ gpr_mpscq workqueue_items;
+ /* Count of items in workqueue_items */
+ gpr_atm workqueue_item_count;
+ /* Wakeup fd used to wake pollers to check the contents of workqueue_items */
+ grpc_wakeup_fd workqueue_wakeup_fd;
+
+ /* The list of workers waiting to do polling on this polling island */
+ gpr_mu worker_list_mu;
+ worker_node worker_list_head;
+
+ /* The fd of the underlying epoll set */
+ int epoll_fd;
+
+ /* The file descriptors in the epoll set */
+ size_t fd_cnt;
+ size_t fd_capacity;
+ grpc_fd **fds;
+} polling_island;
+
+/*******************************************************************************
+ * Pollset Declarations
+ */
+#define WORKER_FROM_WORKER_LIST_NODE(p) \
+ (struct grpc_pollset_worker *)(((char *)(p)) - \
+ offsetof(grpc_pollset_worker, pi_list_link))
+struct grpc_pollset_worker {
+ /* Thread id of this worker */
+ pthread_t pt_id;
+
+ /* Used to prevent a worker from getting kicked multiple times */
+ gpr_atm is_kicked;
+
+ struct grpc_pollset_worker *next;
+ struct grpc_pollset_worker *prev;
+
+ /* Indicates if it is this worker's turn to do epoll */
+ gpr_atm is_polling_turn;
+
+ /* Node in the polling island's worker list. */
+ worker_node pi_list_link;
+};
+
+struct grpc_pollset {
+ poll_obj po;
+
+ grpc_pollset_worker root_worker;
+ bool kicked_without_pollers;
+
+ bool shutting_down; /* Is the pollset shutting down ? */
+ bool finish_shutdown_called; /* Is the 'finish_shutdown_locked()' called ? */
+ grpc_closure *shutdown_done; /* Called after after shutdown is complete */
+};
+
+/*******************************************************************************
+ * Pollset-set Declarations
+ */
+struct grpc_pollset_set {
+ poll_obj po;
+};
+
+/*******************************************************************************
+ * Common helpers
+ */
+
+static bool append_error(grpc_error **composite, grpc_error *error,
+ const char *desc) {
+ if (error == GRPC_ERROR_NONE) return true;
+ if (*composite == GRPC_ERROR_NONE) {
+ *composite = GRPC_ERROR_CREATE_FROM_COPIED_STRING(desc);
+ }
+ *composite = grpc_error_add_child(*composite, error);
+ return false;
+}
+
+/*******************************************************************************
+ * Polling island Definitions
+ */
+
+/* The wakeup fd that is used to wake up all threads in a Polling island. This
+ is useful in the polling island merge operation where we need to wakeup all
+ the threads currently polling the smaller polling island (so that they can
+ start polling the new/merged polling island)
+
+ NOTE: This fd is initialized to be readable and MUST NOT be consumed i.e the
+ threads that woke up MUST NOT call grpc_wakeup_fd_consume_wakeup() */
+static grpc_wakeup_fd polling_island_wakeup_fd;
+
+/* The polling island being polled right now.
+ See comments in workqueue_maybe_wakeup for why this is tracked. */
+static __thread polling_island *g_current_thread_polling_island;
+
+/* Forward declaration */
+static void polling_island_delete(grpc_exec_ctx *exec_ctx, polling_island *pi);
+static void workqueue_enqueue(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
+ grpc_error *error);
+
+#ifdef GRPC_TSAN
+/* Currently TSAN may incorrectly flag data races between epoll_ctl and
+ epoll_wait for any grpc_fd structs that are added to the epoll set via
+ epoll_ctl and are returned (within a very short window) via epoll_wait().
+
+ To work-around this race, we establish a happens-before relation between
+ the code just-before epoll_ctl() and the code after epoll_wait() by using
+ this atomic */
+gpr_atm g_epoll_sync;
+#endif /* defined(GRPC_TSAN) */
+
+static const grpc_closure_scheduler_vtable workqueue_scheduler_vtable = {
+ workqueue_enqueue, workqueue_enqueue, "workqueue"};
+
+static void pi_add_ref(polling_island *pi);
+static void pi_unref(grpc_exec_ctx *exec_ctx, polling_island *pi);
+
+#ifdef GRPC_WORKQUEUE_REFCOUNT_DEBUG
+static void pi_add_ref_dbg(polling_island *pi, const char *reason,
+ const char *file, int line) {
+ long old_cnt = gpr_atm_acq_load(&pi->ref_count);
+ pi_add_ref(pi);
+ gpr_log(GPR_DEBUG, "Add ref pi: %p, old: %ld -> new:%ld (%s) - (%s, %d)",
+ (void *)pi, old_cnt, old_cnt + 1, reason, file, line);
+}
+
+static void pi_unref_dbg(grpc_exec_ctx *exec_ctx, polling_island *pi,
+ const char *reason, const char *file, int line) {
+ long old_cnt = gpr_atm_acq_load(&pi->ref_count);
+ pi_unref(exec_ctx, pi);
+ gpr_log(GPR_DEBUG, "Unref pi: %p, old:%ld -> new:%ld (%s) - (%s, %d)",
+ (void *)pi, old_cnt, (old_cnt - 1), reason, file, line);
+}
+
+static grpc_workqueue *workqueue_ref(grpc_workqueue *workqueue,
+ const char *file, int line,
+ const char *reason) {
+ if (workqueue != NULL) {
+ pi_add_ref_dbg((polling_island *)workqueue, reason, file, line);
+ }
+ return workqueue;
+}
+
+static void workqueue_unref(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue,
+ const char *file, int line, const char *reason) {
+ if (workqueue != NULL) {
+ pi_unref_dbg(exec_ctx, (polling_island *)workqueue, reason, file, line);
+ }
+}
+#else
+static grpc_workqueue *workqueue_ref(grpc_workqueue *workqueue) {
+ if (workqueue != NULL) {
+ pi_add_ref((polling_island *)workqueue);
+ }
+ return workqueue;
+}
+
+static void workqueue_unref(grpc_exec_ctx *exec_ctx,
+ grpc_workqueue *workqueue) {
+ if (workqueue != NULL) {
+ pi_unref(exec_ctx, (polling_island *)workqueue);
+ }
+}
+#endif
+
+static void pi_add_ref(polling_island *pi) {
+ gpr_atm_no_barrier_fetch_add(&pi->ref_count, 1);
+}
+
+static void pi_unref(grpc_exec_ctx *exec_ctx, polling_island *pi) {
+ /* If ref count went to zero, delete the polling island.
+ Note that this deletion not be done under a lock. Once the ref count goes
+ to zero, we are guaranteed that no one else holds a reference to the
+ polling island (and that there is no racing pi_add_ref() call either).
+
+ Also, if we are deleting the polling island and the merged_to field is
+ non-empty, we should remove a ref to the merged_to polling island
+ */
+ if (1 == gpr_atm_full_fetch_add(&pi->ref_count, -1)) {
+ polling_island *next = (polling_island *)gpr_atm_acq_load(&pi->merged_to);
+ polling_island_delete(exec_ctx, pi);
+ if (next != NULL) {
+ PI_UNREF(exec_ctx, next, "pi_delete"); /* Recursive call */
+ }
+ }
+}
+
+static void worker_node_init(worker_node *node) {
+ node->next = node->prev = node;
+}
+
+/* Not thread safe. Do under a list-level lock */
+static void push_back_worker_node(worker_node *head, worker_node *node) {
+ node->next = head;
+ node->prev = head->prev;
+ head->prev->next = node;
+ head->prev = node;
+}
+
+/* Not thread safe. Do under a list-level lock */
+static void remove_worker_node(worker_node *node) {
+ node->next->prev = node->prev;
+ node->prev->next = node->next;
+ /* If node's next and prev point to itself, the node is considered detached
+ * from the list*/
+ node->next = node->prev = node;
+}
+
+/* Not thread safe. Do under a list-level lock */
+static worker_node *pop_front_worker_node(worker_node *head) {
+ worker_node *node = head->next;
+ if (node != head) {
+ remove_worker_node(node);
+ } else {
+ node = NULL;
+ }
+
+ return node;
+}
+
+/* Returns true if the node's next and prev are pointing to itself (which
+ indicates that the node is not in the list */
+static bool is_worker_node_detached(worker_node *node) {
+ return (node->next == node->prev && node->next == node);
+}
+
+/* The caller is expected to hold pi->mu lock before calling this function
+ */
+static void polling_island_add_fds_locked(polling_island *pi, grpc_fd **fds,
+ size_t fd_count, bool add_fd_refs,
+ grpc_error **error) {
+ int err;
+ size_t i;
+ struct epoll_event ev;
+ char *err_msg;
+ const char *err_desc = "polling_island_add_fds";
+
+#ifdef GRPC_TSAN
+ /* See the definition of g_epoll_sync for more context */
+ gpr_atm_rel_store(&g_epoll_sync, (gpr_atm)0);
+#endif /* defined(GRPC_TSAN) */
+
+ for (i = 0; i < fd_count; i++) {
+ ev.events = (uint32_t)(EPOLLIN | EPOLLOUT | EPOLLET);
+ ev.data.ptr = fds[i];
+ err = epoll_ctl(pi->epoll_fd, EPOLL_CTL_ADD, fds[i]->fd, &ev);
+
+ if (err < 0) {
+ if (errno != EEXIST) {
+ gpr_asprintf(
+ &err_msg,
+ "epoll_ctl (epoll_fd: %d) add fd: %d failed with error: %d (%s)",
+ pi->epoll_fd, fds[i]->fd, errno, strerror(errno));
+ append_error(error, GRPC_OS_ERROR(errno, err_msg), err_desc);
+ gpr_free(err_msg);
+ }
+
+ continue;
+ }
+
+ if (pi->fd_cnt == pi->fd_capacity) {
+ pi->fd_capacity = GPR_MAX(pi->fd_capacity + 8, pi->fd_cnt * 3 / 2);
+ pi->fds = gpr_realloc(pi->fds, sizeof(grpc_fd *) * pi->fd_capacity);
+ }
+
+ pi->fds[pi->fd_cnt++] = fds[i];
+ if (add_fd_refs) {
+ GRPC_FD_REF(fds[i], "polling_island");
+ }
+ }
+}
+
+/* The caller is expected to hold pi->mu before calling this */
+static void polling_island_add_wakeup_fd_locked(polling_island *pi,
+ grpc_wakeup_fd *wakeup_fd,
+ grpc_error **error) {
+ struct epoll_event ev;
+ int err;
+ char *err_msg;
+ const char *err_desc = "polling_island_add_wakeup_fd";
+
+ ev.events = (uint32_t)(EPOLLIN | EPOLLET);
+ ev.data.ptr = wakeup_fd;
+ err = epoll_ctl(pi->epoll_fd, EPOLL_CTL_ADD,
+ GRPC_WAKEUP_FD_GET_READ_FD(wakeup_fd), &ev);
+ if (err < 0 && errno != EEXIST) {
+ gpr_asprintf(&err_msg,
+ "epoll_ctl (epoll_fd: %d) add wakeup fd: %d failed with "
+ "error: %d (%s)",
+ pi->epoll_fd, GRPC_WAKEUP_FD_GET_READ_FD(wakeup_fd), errno,
+ strerror(errno));
+ append_error(error, GRPC_OS_ERROR(errno, err_msg), err_desc);
+ gpr_free(err_msg);
+ }
+}
+
+/* The caller is expected to hold pi->mu lock before calling this function */
+static void polling_island_remove_all_fds_locked(polling_island *pi,
+ bool remove_fd_refs,
+ grpc_error **error) {
+ int err;
+ size_t i;
+ char *err_msg;
+ const char *err_desc = "polling_island_remove_fds";
+
+ for (i = 0; i < pi->fd_cnt; i++) {
+ err = epoll_ctl(pi->epoll_fd, EPOLL_CTL_DEL, pi->fds[i]->fd, NULL);
+ if (err < 0 && errno != ENOENT) {
+ gpr_asprintf(&err_msg,
+ "epoll_ctl (epoll_fd: %d) delete fds[%zu]: %d failed with "
+ "error: %d (%s)",
+ pi->epoll_fd, i, pi->fds[i]->fd, errno, strerror(errno));
+ append_error(error, GRPC_OS_ERROR(errno, err_msg), err_desc);
+ gpr_free(err_msg);
+ }
+
+ if (remove_fd_refs) {
+ GRPC_FD_UNREF(pi->fds[i], "polling_island");
+ }
+ }
+
+ pi->fd_cnt = 0;
+}
+
+/* The caller is expected to hold pi->mu lock before calling this function */
+static void polling_island_remove_fd_locked(polling_island *pi, grpc_fd *fd,
+ bool is_fd_closed,
+ grpc_error **error) {
+ int err;
+ size_t i;
+ char *err_msg;
+ const char *err_desc = "polling_island_remove_fd";
+
+ /* If fd is already closed, then it would have been automatically been removed
+ from the epoll set */
+ if (!is_fd_closed) {
+ err = epoll_ctl(pi->epoll_fd, EPOLL_CTL_DEL, fd->fd, NULL);
+ if (err < 0 && errno != ENOENT) {
+ gpr_asprintf(
+ &err_msg,
+ "epoll_ctl (epoll_fd: %d) del fd: %d failed with error: %d (%s)",
+ pi->epoll_fd, fd->fd, errno, strerror(errno));
+ append_error(error, GRPC_OS_ERROR(errno, err_msg), err_desc);
+ gpr_free(err_msg);
+ }
+ }
+
+ for (i = 0; i < pi->fd_cnt; i++) {
+ if (pi->fds[i] == fd) {
+ pi->fds[i] = pi->fds[--pi->fd_cnt];
+ GRPC_FD_UNREF(fd, "polling_island");
+ break;
+ }
+ }
+}
+
+/* Might return NULL in case of an error */
+static polling_island *polling_island_create(grpc_exec_ctx *exec_ctx,
+ grpc_fd *initial_fd,
+ grpc_error **error) {
+ polling_island *pi = NULL;
+ const char *err_desc = "polling_island_create";
+
+ *error = GRPC_ERROR_NONE;
+
+ pi = gpr_malloc(sizeof(*pi));
+ pi->workqueue_scheduler.vtable = &workqueue_scheduler_vtable;
+ gpr_mu_init(&pi->mu);
+ pi->fd_cnt = 0;
+ pi->fd_capacity = 0;
+ pi->fds = NULL;
+ pi->epoll_fd = -1;
+
+ gpr_mu_init(&pi->workqueue_read_mu);
+ gpr_mpscq_init(&pi->workqueue_items);
+ gpr_atm_rel_store(&pi->workqueue_item_count, 0);
+
+ gpr_atm_rel_store(&pi->ref_count, 0);
+ gpr_atm_rel_store(&pi->poller_count, 0);
+ gpr_atm_rel_store(&pi->merged_to, (gpr_atm)NULL);
+
+ gpr_mu_init(&pi->worker_list_mu);
+ worker_node_init(&pi->worker_list_head);
+
+ if (!append_error(error, grpc_wakeup_fd_init(&pi->workqueue_wakeup_fd),
+ err_desc)) {
+ goto done;
+ }
+
+ pi->epoll_fd = epoll_create1(EPOLL_CLOEXEC);
+
+ if (pi->epoll_fd < 0) {
+ append_error(error, GRPC_OS_ERROR(errno, "epoll_create1"), err_desc);
+ goto done;
+ }
+
+ polling_island_add_wakeup_fd_locked(pi, &pi->workqueue_wakeup_fd, error);
+
+ if (initial_fd != NULL) {
+ polling_island_add_fds_locked(pi, &initial_fd, 1, true, error);
+ }
+
+done:
+ if (*error != GRPC_ERROR_NONE) {
+ polling_island_delete(exec_ctx, pi);
+ pi = NULL;
+ }
+ return pi;
+}
+
+static void polling_island_delete(grpc_exec_ctx *exec_ctx, polling_island *pi) {
+ GPR_ASSERT(pi->fd_cnt == 0);
+
+ if (pi->epoll_fd >= 0) {
+ close(pi->epoll_fd);
+ }
+ GPR_ASSERT(gpr_atm_no_barrier_load(&pi->workqueue_item_count) == 0);
+ gpr_mu_destroy(&pi->workqueue_read_mu);
+ gpr_mpscq_destroy(&pi->workqueue_items);
+ gpr_mu_destroy(&pi->mu);
+ grpc_wakeup_fd_destroy(&pi->workqueue_wakeup_fd);
+ gpr_mu_destroy(&pi->worker_list_mu);
+ GPR_ASSERT(is_worker_node_detached(&pi->worker_list_head));
+
+ gpr_free(pi->fds);
+ gpr_free(pi);
+}
+
+/* Attempts to gets the last polling island in the linked list (liked by the
+ * 'merged_to' field). Since this does not lock the polling island, there are no
+ * guarantees that the island returned is the last island */
+static polling_island *polling_island_maybe_get_latest(polling_island *pi) {
+ polling_island *next = (polling_island *)gpr_atm_acq_load(&pi->merged_to);
+ while (next != NULL) {
+ pi = next;
+ next = (polling_island *)gpr_atm_acq_load(&pi->merged_to);
+ }
+
+ return pi;
+}
+
+/* Gets the lock on the *latest* polling island i.e the last polling island in
+ the linked list (linked by the 'merged_to' field). Call gpr_mu_unlock on the
+ returned polling island's mu.
+ Usage: To lock/unlock polling island "pi", do the following:
+ polling_island *pi_latest = polling_island_lock(pi);
+ ...
+ ... critical section ..
+ ...
+ gpr_mu_unlock(&pi_latest->mu); // NOTE: use pi_latest->mu. NOT pi->mu */
+static polling_island *polling_island_lock(polling_island *pi) {
+ polling_island *next = NULL;
+
+ while (true) {
+ next = (polling_island *)gpr_atm_acq_load(&pi->merged_to);
+ if (next == NULL) {
+ /* Looks like 'pi' is the last node in the linked list but unless we check
+ this by holding the pi->mu lock, we cannot be sure (i.e without the
+ pi->mu lock, we don't prevent island merges).
+ To be absolutely sure, check once more by holding the pi->mu lock */
+ gpr_mu_lock(&pi->mu);
+ next = (polling_island *)gpr_atm_acq_load(&pi->merged_to);
+ if (next == NULL) {
+ /* pi is infact the last node and we have the pi->mu lock. we're done */
+ break;
+ }
+
+ /* pi->merged_to is not NULL i.e pi isn't the last node anymore. pi->mu
+ * isn't the lock we are interested in. Continue traversing the list */
+ gpr_mu_unlock(&pi->mu);
+ }
+
+ pi = next;
+ }
+
+ return pi;
+}
+
+/* Gets the lock on the *latest* polling islands in the linked lists pointed by
+ *p and *q (and also updates *p and *q to point to the latest polling islands)
+
+ This function is needed because calling the following block of code to obtain
+ locks on polling islands (*p and *q) is prone to deadlocks.
+ {
+ polling_island_lock(*p, true);
+ polling_island_lock(*q, true);
+ }
+
+ Usage/example:
+ polling_island *p1;
+ polling_island *p2;
+ ..
+ polling_island_lock_pair(&p1, &p2);
+ ..
+ .. Critical section with both p1 and p2 locked
+ ..
+ // Release locks: Always call polling_island_unlock_pair() to release locks
+ polling_island_unlock_pair(p1, p2);
+*/
+static void polling_island_lock_pair(polling_island **p, polling_island **q) {
+ polling_island *pi_1 = *p;
+ polling_island *pi_2 = *q;
+ polling_island *next_1 = NULL;
+ polling_island *next_2 = NULL;
+
+ /* The algorithm is simple:
+ - Go to the last polling islands in the linked lists *pi_1 and *pi_2 (and
+ keep updating pi_1 and pi_2)
+ - Then obtain locks on the islands by following a lock order rule of
+ locking polling_island with lower address first
+ Special case: Before obtaining the locks, check if pi_1 and pi_2 are
+ pointing to the same island. If that is the case, we can just call
+ polling_island_lock()
+ - After obtaining both the locks, double check that the polling islands
+ are still the last polling islands in their respective linked lists
+ (this is because there might have been polling island merges before
+ we got the lock)
+ - If the polling islands are the last islands, we are done. If not,
+ release the locks and continue the process from the first step */
+ while (true) {
+ next_1 = (polling_island *)gpr_atm_acq_load(&pi_1->merged_to);
+ while (next_1 != NULL) {
+ pi_1 = next_1;
+ next_1 = (polling_island *)gpr_atm_acq_load(&pi_1->merged_to);
+ }
+
+ next_2 = (polling_island *)gpr_atm_acq_load(&pi_2->merged_to);
+ while (next_2 != NULL) {
+ pi_2 = next_2;
+ next_2 = (polling_island *)gpr_atm_acq_load(&pi_2->merged_to);
+ }
+
+ if (pi_1 == pi_2) {
+ pi_1 = pi_2 = polling_island_lock(pi_1);
+ break;
+ }
+
+ if (pi_1 < pi_2) {
+ gpr_mu_lock(&pi_1->mu);
+ gpr_mu_lock(&pi_2->mu);
+ } else {
+ gpr_mu_lock(&pi_2->mu);
+ gpr_mu_lock(&pi_1->mu);
+ }
+
+ next_1 = (polling_island *)gpr_atm_acq_load(&pi_1->merged_to);
+ next_2 = (polling_island *)gpr_atm_acq_load(&pi_2->merged_to);
+ if (next_1 == NULL && next_2 == NULL) {
+ break;
+ }
+
+ gpr_mu_unlock(&pi_1->mu);
+ gpr_mu_unlock(&pi_2->mu);
+ }
+
+ *p = pi_1;
+ *q = pi_2;
+}
+
+static void polling_island_unlock_pair(polling_island *p, polling_island *q) {
+ if (p == q) {
+ gpr_mu_unlock(&p->mu);
+ } else {
+ gpr_mu_unlock(&p->mu);
+ gpr_mu_unlock(&q->mu);
+ }
+}
+
+static void workqueue_maybe_wakeup(polling_island *pi) {
+ /* If this thread is the current poller, then it may be that it's about to
+ decrement the current poller count, so we need to look past this thread */
+ bool is_current_poller = (g_current_thread_polling_island == pi);
+ gpr_atm min_current_pollers_for_wakeup = is_current_poller ? 1 : 0;
+ gpr_atm current_pollers = gpr_atm_no_barrier_load(&pi->poller_count);
+ /* Only issue a wakeup if it's likely that some poller could come in and take
+ it right now. Note that since we do an anticipatory mpscq_pop every poll
+ loop, it's ok if we miss the wakeup here, as we'll get the work item when
+ the next poller enters anyway. */
+ if (current_pollers > min_current_pollers_for_wakeup) {
+ GRPC_LOG_IF_ERROR("workqueue_wakeup_fd",
+ grpc_wakeup_fd_wakeup(&pi->workqueue_wakeup_fd));
+ }
+}
+
+static void workqueue_move_items_to_parent(polling_island *q) {
+ polling_island *p = (polling_island *)gpr_atm_no_barrier_load(&q->merged_to);
+ if (p == NULL) {
+ return;
+ }
+ gpr_mu_lock(&q->workqueue_read_mu);
+ int num_added = 0;
+ while (gpr_atm_no_barrier_load(&q->workqueue_item_count) > 0) {
+ gpr_mpscq_node *n = gpr_mpscq_pop(&q->workqueue_items);
+ if (n != NULL) {
+ gpr_atm_no_barrier_fetch_add(&q->workqueue_item_count, -1);
+ gpr_atm_no_barrier_fetch_add(&p->workqueue_item_count, 1);
+ gpr_mpscq_push(&p->workqueue_items, n);
+ num_added++;
+ }
+ }
+ gpr_mu_unlock(&q->workqueue_read_mu);
+ if (num_added > 0) {
+ workqueue_maybe_wakeup(p);
+ }
+ workqueue_move_items_to_parent(p);
+}
+
+static polling_island *polling_island_merge(polling_island *p,
+ polling_island *q,
+ grpc_error **error) {
+ /* Get locks on both the polling islands */
+ polling_island_lock_pair(&p, &q);
+
+ if (p != q) {
+ /* Make sure that p points to the polling island with fewer fds than q */
+ if (p->fd_cnt > q->fd_cnt) {
+ GPR_SWAP(polling_island *, p, q);
+ }
+
+ /* Merge p with q i.e move all the fds from p (The one with fewer fds) to q
+ Note that the refcounts on the fds being moved will not change here.
+ This is why the last param in the following two functions is 'false') */
+ polling_island_add_fds_locked(q, p->fds, p->fd_cnt, false, error);
+ polling_island_remove_all_fds_locked(p, false, error);
+
+ /* Wakeup all the pollers (if any) on p so that they pickup this change */
+ polling_island_add_wakeup_fd_locked(p, &polling_island_wakeup_fd, error);
+
+ /* Add the 'merged_to' link from p --> q */
+ gpr_atm_rel_store(&p->merged_to, (gpr_atm)q);
+ PI_ADD_REF(q, "pi_merge"); /* To account for the new incoming ref from p */
+
+ workqueue_move_items_to_parent(p);
+ }
+ /* else if p == q, nothing needs to be done */
+
+ polling_island_unlock_pair(p, q);
+
+ /* Return the merged polling island (Note that no merge would have happened
+ if p == q which is ok) */
+ return q;
+}
+
+static void workqueue_enqueue(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
+ grpc_error *error) {
+ GPR_TIMER_BEGIN("workqueue.enqueue", 0);
+ grpc_workqueue *workqueue = (grpc_workqueue *)closure->scheduler;
+ /* take a ref to the workqueue: otherwise it can happen that whatever events
+ * this kicks off ends up destroying the workqueue before this function
+ * completes */
+ GRPC_WORKQUEUE_REF(workqueue, "enqueue");
+ polling_island *pi = (polling_island *)workqueue;
+ gpr_atm last = gpr_atm_no_barrier_fetch_add(&pi->workqueue_item_count, 1);
+ closure->error_data.error = error;
+ gpr_mpscq_push(&pi->workqueue_items, &closure->next_data.atm_next);
+ if (last == 0) {
+ workqueue_maybe_wakeup(pi);
+ }
+ workqueue_move_items_to_parent(pi);
+ GRPC_WORKQUEUE_UNREF(exec_ctx, workqueue, "enqueue");
+ GPR_TIMER_END("workqueue.enqueue", 0);
+}
+
+static grpc_closure_scheduler *workqueue_scheduler(grpc_workqueue *workqueue) {
+ polling_island *pi = (polling_island *)workqueue;
+ return workqueue == NULL ? grpc_schedule_on_exec_ctx
+ : &pi->workqueue_scheduler;
+}
+
+static grpc_error *polling_island_global_init() {
+ grpc_error *error = GRPC_ERROR_NONE;
+
+ error = grpc_wakeup_fd_init(&polling_island_wakeup_fd);
+ if (error == GRPC_ERROR_NONE) {
+ error = grpc_wakeup_fd_wakeup(&polling_island_wakeup_fd);
+ }
+
+ return error;
+}
+
+static void polling_island_global_shutdown() {
+ grpc_wakeup_fd_destroy(&polling_island_wakeup_fd);
+}
+
+/*******************************************************************************
+ * Fd Definitions
+ */
+
+/* We need to keep a freelist not because of any concerns of malloc performance
+ * but instead so that implementations with multiple threads in (for example)
+ * epoll_wait deal with the race between pollset removal and incoming poll
+ * notifications.
+ *
+ * The problem is that the poller ultimately holds a reference to this
+ * object, so it is very difficult to know when is safe to free it, at least
+ * without some expensive synchronization.
+ *
+ * If we keep the object freelisted, in the worst case losing this race just
+ * becomes a spurious read notification on a reused fd.
+ */
+
+/* The alarm system needs to be able to wakeup 'some poller' sometimes
+ * (specifically when a new alarm needs to be triggered earlier than the next
+ * alarm 'epoch'). This wakeup_fd gives us something to alert on when such a
+ * case occurs. */
+
+static grpc_fd *fd_freelist = NULL;
+static gpr_mu fd_freelist_mu;
+
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+#define REF_BY(fd, n, reason) ref_by(fd, n, reason, __FILE__, __LINE__)
+#define UNREF_BY(fd, n, reason) unref_by(fd, n, reason, __FILE__, __LINE__)
+static void ref_by(grpc_fd *fd, int n, const char *reason, const char *file,
+ int line) {
+ gpr_log(GPR_DEBUG, "FD %d %p ref %d %ld -> %ld [%s; %s:%d]", fd->fd,
+ (void *)fd, n, gpr_atm_no_barrier_load(&fd->refst),
+ gpr_atm_no_barrier_load(&fd->refst) + n, reason, file, line);
+#else
+#define REF_BY(fd, n, reason) ref_by(fd, n)
+#define UNREF_BY(fd, n, reason) unref_by(fd, n)
+static void ref_by(grpc_fd *fd, int n) {
+#endif
+ GPR_ASSERT(gpr_atm_no_barrier_fetch_add(&fd->refst, n) > 0);
+}
+
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+static void unref_by(grpc_fd *fd, int n, const char *reason, const char *file,
+ int line) {
+ gpr_atm old;
+ gpr_log(GPR_DEBUG, "FD %d %p unref %d %ld -> %ld [%s; %s:%d]", fd->fd,
+ (void *)fd, n, gpr_atm_no_barrier_load(&fd->refst),
+ gpr_atm_no_barrier_load(&fd->refst) - n, reason, file, line);
+#else
+static void unref_by(grpc_fd *fd, int n) {
+ gpr_atm old;
+#endif
+ old = gpr_atm_full_fetch_add(&fd->refst, -n);
+ if (old == n) {
+ /* Add the fd to the freelist */
+ gpr_mu_lock(&fd_freelist_mu);
+ fd->freelist_next = fd_freelist;
+ fd_freelist = fd;
+ grpc_iomgr_unregister_object(&fd->iomgr_object);
+
+ grpc_lfev_destroy(&fd->read_closure);
+ grpc_lfev_destroy(&fd->write_closure);
+
+ gpr_mu_unlock(&fd_freelist_mu);
+ } else {
+ GPR_ASSERT(old > n);
+ }
+}
+
+/* Increment refcount by two to avoid changing the orphan bit */
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+static void fd_ref(grpc_fd *fd, const char *reason, const char *file,
+ int line) {
+ ref_by(fd, 2, reason, file, line);
+}
+
+static void fd_unref(grpc_fd *fd, const char *reason, const char *file,
+ int line) {
+ unref_by(fd, 2, reason, file, line);
+}
+#else
+static void fd_ref(grpc_fd *fd) { ref_by(fd, 2); }
+static void fd_unref(grpc_fd *fd) { unref_by(fd, 2); }
+#endif
+
+static void fd_global_init(void) { gpr_mu_init(&fd_freelist_mu); }
+
+static void fd_global_shutdown(void) {
+ gpr_mu_lock(&fd_freelist_mu);
+ gpr_mu_unlock(&fd_freelist_mu);
+ while (fd_freelist != NULL) {
+ grpc_fd *fd = fd_freelist;
+ fd_freelist = fd_freelist->freelist_next;
+ gpr_mu_destroy(&fd->po.mu);
+ gpr_free(fd);
+ }
+ gpr_mu_destroy(&fd_freelist_mu);
+}
+
+static grpc_fd *fd_create(int fd, const char *name) {
+ grpc_fd *new_fd = NULL;
+
+ gpr_mu_lock(&fd_freelist_mu);
+ if (fd_freelist != NULL) {
+ new_fd = fd_freelist;
+ fd_freelist = fd_freelist->freelist_next;
+ }
+ gpr_mu_unlock(&fd_freelist_mu);
+
+ if (new_fd == NULL) {
+ new_fd = gpr_malloc(sizeof(grpc_fd));
+ gpr_mu_init(&new_fd->po.mu);
+ }
+
+ /* Note: It is not really needed to get the new_fd->po.mu lock here. If this
+ * is a newly created fd (or an fd we got from the freelist), no one else
+ * would be holding a lock to it anyway. */
+ gpr_mu_lock(&new_fd->po.mu);
+ new_fd->po.pi = NULL;
+#ifdef PO_DEBUG
+ new_fd->po.obj_type = POLL_OBJ_FD;
+#endif
+
+ gpr_atm_rel_store(&new_fd->refst, (gpr_atm)1);
+ new_fd->fd = fd;
+ new_fd->orphaned = false;
+ grpc_lfev_init(&new_fd->read_closure);
+ grpc_lfev_init(&new_fd->write_closure);
+ gpr_atm_no_barrier_store(&new_fd->read_notifier_pollset, (gpr_atm)NULL);
+
+ new_fd->freelist_next = NULL;
+ new_fd->on_done_closure = NULL;
+
+ gpr_mu_unlock(&new_fd->po.mu);
+
+ char *fd_name;
+ gpr_asprintf(&fd_name, "%s fd=%d", name, fd);
+ grpc_iomgr_register_object(&new_fd->iomgr_object, fd_name);
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+ gpr_log(GPR_DEBUG, "FD %d %p create %s", fd, (void *)new_fd, fd_name);
+#endif
+ gpr_free(fd_name);
+ return new_fd;
+}
+
+static int fd_wrapped_fd(grpc_fd *fd) {
+ int ret_fd = -1;
+ gpr_mu_lock(&fd->po.mu);
+ if (!fd->orphaned) {
+ ret_fd = fd->fd;
+ }
+ gpr_mu_unlock(&fd->po.mu);
+
+ return ret_fd;
+}
+
+static void fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_closure *on_done, int *release_fd,
+ const char *reason) {
+ bool is_fd_closed = false;
+ grpc_error *error = GRPC_ERROR_NONE;
+ polling_island *unref_pi = NULL;
+
+ gpr_mu_lock(&fd->po.mu);
+ fd->on_done_closure = on_done;
+
+ /* If release_fd is not NULL, we should be relinquishing control of the file
+ descriptor fd->fd (but we still own the grpc_fd structure). */
+ if (release_fd != NULL) {
+ *release_fd = fd->fd;
+ } else {
+ close(fd->fd);
+ is_fd_closed = true;
+ }
+
+ fd->orphaned = true;
+
+ /* Remove the active status but keep referenced. We want this grpc_fd struct
+ to be alive (and not added to freelist) until the end of this function */
+ REF_BY(fd, 1, reason);
+
+ /* Remove the fd from the polling island:
+ - Get a lock on the latest polling island (i.e the last island in the
+ linked list pointed by fd->po.pi). This is the island that
+ would actually contain the fd
+ - Remove the fd from the latest polling island
+ - Unlock the latest polling island
+ - Set fd->po.pi to NULL (but remove the ref on the polling island
+ before doing this.) */
+ if (fd->po.pi != NULL) {
+ polling_island *pi_latest = polling_island_lock(fd->po.pi);
+ polling_island_remove_fd_locked(pi_latest, fd, is_fd_closed, &error);
+ gpr_mu_unlock(&pi_latest->mu);
+
+ unref_pi = fd->po.pi;
+ fd->po.pi = NULL;
+ }
+
+ grpc_closure_sched(exec_ctx, fd->on_done_closure, GRPC_ERROR_REF(error));
+
+ gpr_mu_unlock(&fd->po.mu);
+ UNREF_BY(fd, 2, reason); /* Drop the reference */
+ if (unref_pi != NULL) {
+ /* Unref stale polling island here, outside the fd lock above.
+ The polling island owns a workqueue which owns an fd, and unreffing
+ inside the lock can cause an eventual lock loop that makes TSAN very
+ unhappy. */
+ PI_UNREF(exec_ctx, unref_pi, "fd_orphan");
+ }
+ GRPC_LOG_IF_ERROR("fd_orphan", GRPC_ERROR_REF(error));
+ GRPC_ERROR_UNREF(error);
+}
+
+static grpc_pollset *fd_get_read_notifier_pollset(grpc_exec_ctx *exec_ctx,
+ grpc_fd *fd) {
+ gpr_atm notifier = gpr_atm_acq_load(&fd->read_notifier_pollset);
+ return (grpc_pollset *)notifier;
+}
+
+static bool fd_is_shutdown(grpc_fd *fd) {
+ return grpc_lfev_is_shutdown(&fd->read_closure);
+}
+
+/* Might be called multiple times */
+static void fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_error *why) {
+ if (grpc_lfev_set_shutdown(exec_ctx, &fd->read_closure,
+ GRPC_ERROR_REF(why))) {
+ shutdown(fd->fd, SHUT_RDWR);
+ grpc_lfev_set_shutdown(exec_ctx, &fd->write_closure, GRPC_ERROR_REF(why));
+ }
+ GRPC_ERROR_UNREF(why);
+}
+
+static void fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_closure *closure) {
+ grpc_lfev_notify_on(exec_ctx, &fd->read_closure, closure);
+}
+
+static void fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_closure *closure) {
+ grpc_lfev_notify_on(exec_ctx, &fd->write_closure, closure);
+}
+
+static grpc_workqueue *fd_get_workqueue(grpc_fd *fd) {
+ gpr_mu_lock(&fd->po.mu);
+ grpc_workqueue *workqueue =
+ GRPC_WORKQUEUE_REF((grpc_workqueue *)fd->po.pi, "fd_get_workqueue");
+ gpr_mu_unlock(&fd->po.mu);
+ return workqueue;
+}
+
+/*******************************************************************************
+ * Pollset Definitions
+ */
+GPR_TLS_DECL(g_current_thread_pollset);
+GPR_TLS_DECL(g_current_thread_worker);
+static __thread bool g_initialized_sigmask;
+static __thread sigset_t g_orig_sigmask;
+static __thread sigset_t g_wakeup_sig_set;
+
+static void sig_handler(int sig_num) {
+#ifdef GRPC_EPOLL_DEBUG
+ gpr_log(GPR_INFO, "Received signal %d", sig_num);
+#endif
+}
+
+static void pollset_worker_init(grpc_pollset_worker *worker) {
+ worker->pt_id = pthread_self();
+ worker->next = worker->prev = NULL;
+ gpr_atm_no_barrier_store(&worker->is_kicked, (gpr_atm)0);
+ gpr_atm_no_barrier_store(&worker->is_polling_turn, (gpr_atm)0);
+ worker_node_init(&worker->pi_list_link);
+}
+
+static void poller_kick_init() { signal(grpc_wakeup_signal, sig_handler); }
+
+/* Global state management */
+static grpc_error *pollset_global_init(void) {
+ gpr_tls_init(&g_current_thread_pollset);
+ gpr_tls_init(&g_current_thread_worker);
+ poller_kick_init();
+ return GRPC_ERROR_NONE;
+}
+
+static void pollset_global_shutdown(void) {
+ gpr_tls_destroy(&g_current_thread_pollset);
+ gpr_tls_destroy(&g_current_thread_worker);
+}
+
+static grpc_error *worker_kick(grpc_pollset_worker *worker,
+ gpr_atm *is_kicked) {
+ grpc_error *err = GRPC_ERROR_NONE;
+
+ /* Kick the worker only if it was not already kicked */
+ if (gpr_atm_no_barrier_cas(is_kicked, (gpr_atm)0, (gpr_atm)1)) {
+ GRPC_POLLING_TRACE(
+ "pollset_worker_kick: Kicking worker: %p (thread id: %ld)",
+ (void *)worker, (long int)worker->pt_id);
+ int err_num = pthread_kill(worker->pt_id, grpc_wakeup_signal);
+ if (err_num != 0) {
+ err = GRPC_OS_ERROR(err_num, "pthread_kill");
+ }
+ }
+ return err;
+}
+
+static grpc_error *pollset_worker_kick(grpc_pollset_worker *worker) {
+ return worker_kick(worker, &worker->is_kicked);
+}
+
+static grpc_error *poller_kick(grpc_pollset_worker *worker) {
+ return worker_kick(worker, &worker->is_polling_turn);
+}
+
+/* Return 1 if the pollset has active threads in pollset_work (pollset must
+ * be locked) */
+static int pollset_has_workers(grpc_pollset *p) {
+ return p->root_worker.next != &p->root_worker;
+}
+
+static void remove_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
+ worker->prev->next = worker->next;
+ worker->next->prev = worker->prev;
+}
+
+static grpc_pollset_worker *pop_front_worker(grpc_pollset *p) {
+ if (pollset_has_workers(p)) {
+ grpc_pollset_worker *w = p->root_worker.next;
+ remove_worker(p, w);
+ return w;
+ } else {
+ return NULL;
+ }
+}
+
+static void push_back_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
+ worker->next = &p->root_worker;
+ worker->prev = worker->next->prev;
+ worker->prev->next = worker->next->prev = worker;
+}
+
+static void push_front_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
+ worker->prev = &p->root_worker;
+ worker->next = worker->prev->next;
+ worker->prev->next = worker->next->prev = worker;
+}
+
+/* p->mu must be held before calling this function */
+static grpc_error *pollset_kick(grpc_pollset *p,
+ grpc_pollset_worker *specific_worker) {
+ GPR_TIMER_BEGIN("pollset_kick", 0);
+ grpc_error *error = GRPC_ERROR_NONE;
+ const char *err_desc = "Kick Failure";
+ grpc_pollset_worker *worker = specific_worker;
+ if (worker != NULL) {
+ if (worker == GRPC_POLLSET_KICK_BROADCAST) {
+ if (pollset_has_workers(p)) {
+ GPR_TIMER_BEGIN("pollset_kick.broadcast", 0);
+ for (worker = p->root_worker.next; worker != &p->root_worker;
+ worker = worker->next) {
+ if (gpr_tls_get(&g_current_thread_worker) != (intptr_t)worker) {
+ append_error(&error, pollset_worker_kick(worker), err_desc);
+ }
+ }
+ GPR_TIMER_END("pollset_kick.broadcast", 0);
+ } else {
+ p->kicked_without_pollers = true;
+ }
+ } else {
+ GPR_TIMER_MARK("kicked_specifically", 0);
+ if (gpr_tls_get(&g_current_thread_worker) != (intptr_t)worker) {
+ append_error(&error, pollset_worker_kick(worker), err_desc);
+ }
+ }
+ } else if (gpr_tls_get(&g_current_thread_pollset) != (intptr_t)p) {
+ /* Since worker == NULL, it means that we can kick "any" worker on this
+ pollset 'p'. If 'p' happens to be the same pollset this thread is
+ currently polling (i.e in pollset_work() function), then there is no need
+ to kick any other worker since the current thread can just absorb the
+ kick. This is the reason why we enter this case only when
+ g_current_thread_pollset is != p */
+
+ GPR_TIMER_MARK("kick_anonymous", 0);
+ worker = pop_front_worker(p);
+ if (worker != NULL) {
+ GPR_TIMER_MARK("finally_kick", 0);
+ push_back_worker(p, worker);
+ append_error(&error, pollset_worker_kick(worker), err_desc);
+ } else {
+ GPR_TIMER_MARK("kicked_no_pollers", 0);
+ p->kicked_without_pollers = true;
+ }
+ }
+
+ GPR_TIMER_END("pollset_kick", 0);
+ GRPC_LOG_IF_ERROR("pollset_kick", GRPC_ERROR_REF(error));
+ return error;
+}
+
+static void pollset_init(grpc_pollset *pollset, gpr_mu **mu) {
+ gpr_mu_init(&pollset->po.mu);
+ *mu = &pollset->po.mu;
+ pollset->po.pi = NULL;
+#ifdef PO_DEBUG
+ pollset->po.obj_type = POLL_OBJ_POLLSET;
+#endif
+
+ pollset->root_worker.next = pollset->root_worker.prev = &pollset->root_worker;
+ pollset->kicked_without_pollers = false;
+
+ pollset->shutting_down = false;
+ pollset->finish_shutdown_called = false;
+ pollset->shutdown_done = NULL;
+}
+
+/* Convert millis to timespec (clock-type is assumed to be GPR_TIMESPAN) */
+static struct timespec millis_to_timespec(int millis) {
+ struct timespec linux_ts;
+ gpr_timespec gpr_ts;
+
+ if (millis == -1) {
+ gpr_ts = gpr_inf_future(GPR_TIMESPAN);
+ } else {
+ gpr_ts = gpr_time_from_millis(millis, GPR_TIMESPAN);
+ }
+
+ linux_ts.tv_sec = (time_t)gpr_ts.tv_sec;
+ linux_ts.tv_nsec = gpr_ts.tv_nsec;
+ return linux_ts;
+}
+
+/* Convert a timespec to milliseconds:
+ - Very small or negative poll times are clamped to zero to do a non-blocking
+ poll (which becomes spin polling)
+ - Other small values are rounded up to one millisecond
+ - Longer than a millisecond polls are rounded up to the next nearest
+ millisecond to avoid spinning
+ - Infinite timeouts are converted to -1 */
+static int poll_deadline_to_millis_timeout(gpr_timespec deadline,
+ gpr_timespec now) {
+ gpr_timespec timeout;
+ static const int64_t max_spin_polling_us = 10;
+ if (gpr_time_cmp(deadline, gpr_inf_future(deadline.clock_type)) == 0) {
+ return -1;
+ }
+
+ if (gpr_time_cmp(deadline, gpr_time_add(now, gpr_time_from_micros(
+ max_spin_polling_us,
+ GPR_TIMESPAN))) <= 0) {
+ return 0;
+ }
+ timeout = gpr_time_sub(deadline, now);
+ int millis = gpr_time_to_millis(gpr_time_add(
+ timeout, gpr_time_from_nanos(GPR_NS_PER_MS - 1, GPR_TIMESPAN)));
+ return millis >= 1 ? millis : 1;
+}
+
+static void fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_pollset *notifier) {
+ grpc_lfev_set_ready(exec_ctx, &fd->read_closure);
+
+ /* Note, it is possible that fd_become_readable might be called twice with
+ different 'notifier's when an fd becomes readable and it is in two epoll
+ sets (This can happen briefly during polling island merges). In such cases
+ it does not really matter which notifer is set as the read_notifier_pollset
+ (They would both point to the same polling island anyway) */
+ /* Use release store to match with acquire load in fd_get_read_notifier */
+ gpr_atm_rel_store(&fd->read_notifier_pollset, (gpr_atm)notifier);
+}
+
+static void fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+ grpc_lfev_set_ready(exec_ctx, &fd->write_closure);
+}
+
+static void pollset_release_polling_island(grpc_exec_ctx *exec_ctx,
+ grpc_pollset *ps, char *reason) {
+ if (ps->po.pi != NULL) {
+ PI_UNREF(exec_ctx, ps->po.pi, reason);
+ }
+ ps->po.pi = NULL;
+}
+
+static void finish_shutdown_locked(grpc_exec_ctx *exec_ctx,
+ grpc_pollset *pollset) {
+ /* The pollset cannot have any workers if we are at this stage */
+ GPR_ASSERT(!pollset_has_workers(pollset));
+
+ pollset->finish_shutdown_called = true;
+
+ /* Release the ref and set pollset->po.pi to NULL */
+ pollset_release_polling_island(exec_ctx, pollset, "ps_shutdown");
+ grpc_closure_sched(exec_ctx, pollset->shutdown_done, GRPC_ERROR_NONE);
+}
+
+/* pollset->po.mu lock must be held by the caller before calling this */
+static void pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_closure *closure) {
+ GPR_TIMER_BEGIN("pollset_shutdown", 0);
+ GPR_ASSERT(!pollset->shutting_down);
+ pollset->shutting_down = true;
+ pollset->shutdown_done = closure;
+ pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST);
+
+ /* If the pollset has any workers, we cannot call finish_shutdown_locked()
+ because it would release the underlying polling island. In such a case, we
+ let the last worker call finish_shutdown_locked() from pollset_work() */
+ if (!pollset_has_workers(pollset)) {
+ GPR_ASSERT(!pollset->finish_shutdown_called);
+ GPR_TIMER_MARK("pollset_shutdown.finish_shutdown_locked", 0);
+ finish_shutdown_locked(exec_ctx, pollset);
+ }
+ GPR_TIMER_END("pollset_shutdown", 0);
+}
+
+/* pollset_shutdown is guaranteed to be called before pollset_destroy. So other
+ * than destroying the mutexes, there is nothing special that needs to be done
+ * here */
+static void pollset_destroy(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
+ GPR_ASSERT(!pollset_has_workers(pollset));
+ gpr_mu_destroy(&pollset->po.mu);
+}
+
+static bool maybe_do_workqueue_work(grpc_exec_ctx *exec_ctx,
+ polling_island *pi) {
+ if (gpr_mu_trylock(&pi->workqueue_read_mu)) {
+ gpr_mpscq_node *n = gpr_mpscq_pop(&pi->workqueue_items);
+ gpr_mu_unlock(&pi->workqueue_read_mu);
+ if (n != NULL) {
+ if (gpr_atm_full_fetch_add(&pi->workqueue_item_count, -1) > 1) {
+ workqueue_maybe_wakeup(pi);
+ }
+ grpc_closure *c = (grpc_closure *)n;
+ grpc_error *error = c->error_data.error;
+#ifndef NDEBUG
+ c->scheduled = false;
+#endif
+ c->cb(exec_ctx, c->cb_arg, error);
+ GRPC_ERROR_UNREF(error);
+ return true;
+ } else if (gpr_atm_no_barrier_load(&pi->workqueue_item_count) > 0) {
+ /* n == NULL might mean there's work but it's not available to be popped
+ * yet - try to ensure another workqueue wakes up to check shortly if so
+ */
+ workqueue_maybe_wakeup(pi);
+ }
+ }
+ return false;
+}
+
+/* NOTE: This function may modify 'now' */
+static bool acquire_polling_lease(grpc_pollset_worker *worker,
+ polling_island *pi, gpr_timespec deadline,
+ gpr_timespec *now) {
+ bool is_lease_acquired = false;
+
+ gpr_mu_lock(&pi->worker_list_mu); // LOCK
+ long num_pollers = gpr_atm_no_barrier_load(&pi->poller_count);
+
+ if (num_pollers >= g_max_pollers_per_pi) {
+ push_back_worker_node(&pi->worker_list_head, &worker->pi_list_link);
+ gpr_mu_unlock(&pi->worker_list_mu); // UNLOCK
+
+ bool is_timeout = false;
+ int ret;
+ int timeout_ms = poll_deadline_to_millis_timeout(deadline, *now);
+ if (timeout_ms == -1) {
+ ret = sigwaitinfo(&g_wakeup_sig_set, NULL);
+ } else {
+ struct timespec sigwait_timeout = millis_to_timespec(timeout_ms);
+ GRPC_SCHEDULING_START_BLOCKING_REGION;
+ ret = sigtimedwait(&g_wakeup_sig_set, NULL, &sigwait_timeout);
+ GRPC_SCHEDULING_END_BLOCKING_REGION;
+ }
+
+ if (ret == -1) {
+ if (errno == EAGAIN) {
+ is_timeout = true;
+ } else {
+ /* NOTE: This should not happen. If we see these log messages, it means
+ we are most likely doing something incorrect in the setup * needed
+ for sigwaitinfo/sigtimedwait */
+ gpr_log(GPR_ERROR,
+ "sigtimedwait failed with retcode: %d (timeout_ms: %d)", errno,
+ timeout_ms);
+ }
+ }
+
+ /* Did the worker come out of sigtimedwait due to a thread that just
+ exited epoll and kicking it (in release_polling_lease function). */
+ bool is_polling_turn = gpr_atm_acq_load(&worker->is_polling_turn);
+
+ /* Did the worker come out of sigtimedwait due to a thread alerting it that
+ some completion event was (likely) available in the completion queue */
+ bool is_kicked = gpr_atm_no_barrier_load(&worker->is_kicked);
+
+ if (is_kicked || is_timeout) {
+ *now = deadline; /* Essentially make the epoll timeout = 0 */
+ } else if (is_polling_turn) {
+ *now = gpr_now(GPR_CLOCK_MONOTONIC); /* Reduce the epoll timeout */
+ }
+
+ gpr_mu_lock(&pi->worker_list_mu); // LOCK
+ /* The node might have already been removed from the list by the poller
+ that kicked this. However it is safe to call 'remove_worker_node' on
+ an already detached node */
+ remove_worker_node(&worker->pi_list_link);
+ /* It is important to read the num_pollers again under the lock so that we
+ * have the latest num_pollers value that doesn't change while we are doing
+ * the "(num_pollers < g_max_pollers_per_pi)" a a few lines below */
+ num_pollers = gpr_atm_no_barrier_load(&pi->poller_count);
+ }
+
+ if (num_pollers < g_max_pollers_per_pi) {
+ gpr_atm_no_barrier_fetch_add(&pi->poller_count, 1);
+ is_lease_acquired = true;
+ }
+
+ gpr_mu_unlock(&pi->worker_list_mu); // UNLOCK
+ return is_lease_acquired;
+}
+
+static void release_polling_lease(polling_island *pi, grpc_error **error) {
+ gpr_mu_lock(&pi->worker_list_mu);
+
+ gpr_atm_no_barrier_fetch_add(&pi->poller_count, -1);
+ worker_node *node = pop_front_worker_node(&pi->worker_list_head);
+ if (node != NULL) {
+ grpc_pollset_worker *next_worker = WORKER_FROM_WORKER_LIST_NODE(node);
+ append_error(error, poller_kick(next_worker), "poller kick error");
+ }
+
+ gpr_mu_unlock(&pi->worker_list_mu);
+}
+
+#define GRPC_EPOLL_MAX_EVENTS 100
+static void pollset_do_epoll_pwait(grpc_exec_ctx *exec_ctx, int epoll_fd,
+ grpc_pollset *pollset, polling_island *pi,
+ grpc_pollset_worker *worker,
+ gpr_timespec now, gpr_timespec deadline,
+ sigset_t *sig_mask, grpc_error **error) {
+ /* Only g_max_pollers_per_pi threads can be doing polling in parallel.
+ If we cannot get a lease, we cannot continue to do epoll_pwait() */
+ if (!acquire_polling_lease(worker, pi, deadline, &now)) {
+ return;
+ }
+
+ struct epoll_event ep_ev[GRPC_EPOLL_MAX_EVENTS];
+ int ep_rv;
+ char *err_msg;
+ const char *err_desc = "pollset_work_and_unlock";
+
+ /* timeout_ms is the time between 'now' and 'deadline' */
+ int timeout_ms = poll_deadline_to_millis_timeout(deadline, now);
+
+ GRPC_SCHEDULING_START_BLOCKING_REGION;
+ ep_rv =
+ epoll_pwait(epoll_fd, ep_ev, GRPC_EPOLL_MAX_EVENTS, timeout_ms, sig_mask);
+ GRPC_SCHEDULING_END_BLOCKING_REGION;
+
+ /* Give back the lease right away so that some other thread can enter */
+ release_polling_lease(pi, error);
+
+ if (ep_rv < 0) {
+ if (errno != EINTR) {
+ gpr_asprintf(&err_msg,
+ "epoll_wait() epoll fd: %d failed with error: %d (%s)",
+ epoll_fd, errno, strerror(errno));
+ append_error(error, GRPC_OS_ERROR(errno, err_msg), err_desc);
+ } else {
+ /* We were interrupted. Save an interation by doing a zero timeout
+ epoll_wait to see if there are any other events of interest */
+ GRPC_POLLING_TRACE("pollset_work: pollset: %p, worker: %p received kick",
+ (void *)pollset, (void *)worker);
+ ep_rv = epoll_wait(epoll_fd, ep_ev, GRPC_EPOLL_MAX_EVENTS, 0);
+ }
+ }
+
+#ifdef GRPC_TSAN
+ /* See the definition of g_poll_sync for more details */
+ gpr_atm_acq_load(&g_epoll_sync);
+#endif /* defined(GRPC_TSAN) */
+
+ for (int i = 0; i < ep_rv; ++i) {
+ void *data_ptr = ep_ev[i].data.ptr;
+ if (data_ptr == &pi->workqueue_wakeup_fd) {
+ append_error(error,
+ grpc_wakeup_fd_consume_wakeup(&pi->workqueue_wakeup_fd),
+ err_desc);
+ maybe_do_workqueue_work(exec_ctx, pi);
+ } else if (data_ptr == &polling_island_wakeup_fd) {
+ GRPC_POLLING_TRACE(
+ "pollset_work: pollset: %p, worker: %p polling island (epoll_fd: "
+ "%d) got merged",
+ (void *)pollset, (void *)worker, epoll_fd);
+ /* This means that our polling island is merged with a different
+ island. We do not have to do anything here since the subsequent call
+ to the function pollset_work_and_unlock() will pick up the correct
+ epoll_fd */
+ } else {
+ grpc_fd *fd = data_ptr;
+ int cancel = ep_ev[i].events & (EPOLLERR | EPOLLHUP);
+ int read_ev = ep_ev[i].events & (EPOLLIN | EPOLLPRI);
+ int write_ev = ep_ev[i].events & EPOLLOUT;
+ if (read_ev || cancel) {
+ fd_become_readable(exec_ctx, fd, pollset);
+ }
+ if (write_ev || cancel) {
+ fd_become_writable(exec_ctx, fd);
+ }
+ }
+ }
+}
+
+/* Note: sig_mask contains the signal mask to use *during* epoll_wait() */
+static void pollset_work_and_unlock(grpc_exec_ctx *exec_ctx,
+ grpc_pollset *pollset,
+ grpc_pollset_worker *worker,
+ gpr_timespec now, gpr_timespec deadline,
+ sigset_t *sig_mask, grpc_error **error) {
+ int epoll_fd = -1;
+ polling_island *pi = NULL;
+ GPR_TIMER_BEGIN("pollset_work_and_unlock", 0);
+
+ /* We need to get the epoll_fd to wait on. The epoll_fd is in inside the
+ latest polling island pointed by pollset->po.pi
+
+ Since epoll_fd is immutable, it is safe to read it without a lock on the
+ polling island. There is however a possibility that the polling island from
+ which we got the epoll_fd, got merged with another island in the meantime.
+ This is okay because in such a case, we will wakeup right-away from
+ epoll_pwait() (because any merge will poison the old polling island's epoll
+ set 'polling_island_wakeup_fd') and then pick up the latest polling_island
+ the next time this function - pollset_work_and_unlock()) is called */
+
+ if (pollset->po.pi == NULL) {
+ pollset->po.pi = polling_island_create(exec_ctx, NULL, error);
+ if (pollset->po.pi == NULL) {
+ GPR_TIMER_END("pollset_work_and_unlock", 0);
+ return; /* Fatal error. Cannot continue */
+ }
+
+ PI_ADD_REF(pollset->po.pi, "ps");
+ GRPC_POLLING_TRACE("pollset_work: pollset: %p created new pi: %p",
+ (void *)pollset, (void *)pollset->po.pi);
+ }
+
+ pi = polling_island_maybe_get_latest(pollset->po.pi);
+ epoll_fd = pi->epoll_fd;
+
+ /* Update the pollset->po.pi since the island being pointed by
+ pollset->po.pi maybe older than the one pointed by pi) */
+ if (pollset->po.pi != pi) {
+ /* Always do PI_ADD_REF before PI_UNREF because PI_UNREF may cause the
+ polling island to be deleted */
+ PI_ADD_REF(pi, "ps");
+ PI_UNREF(exec_ctx, pollset->po.pi, "ps");
+ pollset->po.pi = pi;
+ }
+
+ /* Add an extra ref so that the island does not get destroyed (which means
+ the epoll_fd won't be closed) while we are are doing an epoll_wait() on the
+ epoll_fd */
+ PI_ADD_REF(pi, "ps_work");
+ gpr_mu_unlock(&pollset->po.mu);
+
+ /* If we get some workqueue work to do, it might end up completing an item on
+ the completion queue, so there's no need to poll... so we skip that and
+ redo the complete loop to verify */
+ if (!maybe_do_workqueue_work(exec_ctx, pi)) {
+ g_current_thread_polling_island = pi;
+ pollset_do_epoll_pwait(exec_ctx, epoll_fd, pollset, pi, worker, now,
+ deadline, sig_mask, error);
+ g_current_thread_polling_island = NULL;
+ }
+
+ GPR_ASSERT(pi != NULL);
+
+ /* Before leaving, release the extra ref we added to the polling island. It
+ is important to use "pi" here (i.e our old copy of pollset->po.pi
+ that we got before releasing the polling island lock). This is because
+ pollset->po.pi pointer might get udpated in other parts of the
+ code when there is an island merge while we are doing epoll_wait() above */
+ PI_UNREF(exec_ctx, pi, "ps_work");
+
+ GPR_TIMER_END("pollset_work_and_unlock", 0);
+}
+
+/* pollset->po.mu lock must be held by the caller before calling this.
+ The function pollset_work() may temporarily release the lock (pollset->po.mu)
+ during the course of its execution but it will always re-acquire the lock and
+ ensure that it is held by the time the function returns */
+static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_pollset_worker **worker_hdl,
+ gpr_timespec now, gpr_timespec deadline) {
+ GPR_TIMER_BEGIN("pollset_work", 0);
+ grpc_error *error = GRPC_ERROR_NONE;
+
+ grpc_pollset_worker worker;
+ pollset_worker_init(&worker);
+
+ if (worker_hdl) *worker_hdl = &worker;
+
+ gpr_tls_set(&g_current_thread_pollset, (intptr_t)pollset);
+ gpr_tls_set(&g_current_thread_worker, (intptr_t)&worker);
+
+ if (pollset->kicked_without_pollers) {
+ /* If the pollset was kicked without pollers, pretend that the current
+ worker got the kick and skip polling. A kick indicates that there is some
+ work that needs attention like an event on the completion queue or an
+ alarm */
+ GPR_TIMER_MARK("pollset_work.kicked_without_pollers", 0);
+ pollset->kicked_without_pollers = 0;
+ } else if (!pollset->shutting_down) {
+ /* We use the posix-signal with number 'grpc_wakeup_signal' for waking up
+ (i.e 'kicking') a worker in the pollset. A 'kick' is a way to inform the
+ worker that there is some pending work that needs immediate attention
+ (like an event on the completion queue, or a polling island merge that
+ results in a new epoll-fd to wait on) and that the worker should not
+ spend time waiting in epoll_pwait().
+
+ A worker can be kicked anytime from the point it is added to the pollset
+ via push_front_worker() (or push_back_worker()) to the point it is
+ removed via remove_worker().
+ If the worker is kicked before/during it calls epoll_pwait(), it should
+ immediately exit from epoll_wait(). If the worker is kicked after it
+ returns from epoll_wait(), then nothing really needs to be done.
+
+ To accomplish this, we mask 'grpc_wakeup_signal' on this thread at all
+ times *except* when it is in epoll_pwait(). This way, the worker never
+ misses acting on a kick */
+
+ if (!g_initialized_sigmask) {
+ sigemptyset(&g_wakeup_sig_set);
+ sigaddset(&g_wakeup_sig_set, grpc_wakeup_signal);
+ pthread_sigmask(SIG_BLOCK, &g_wakeup_sig_set, &g_orig_sigmask);
+ sigdelset(&g_orig_sigmask, grpc_wakeup_signal);
+ g_initialized_sigmask = true;
+ /* new_mask: The new thread mask which blocks 'grpc_wakeup_signal'.
+ This is the mask used at all times *except during
+ epoll_wait()*"
+ g_orig_sigmask: The thread mask which allows 'grpc_wakeup_signal' and
+ this is the mask to use *during epoll_wait()*
+
+ The new_mask is set on the worker before it is added to the pollset
+ (i.e before it can be kicked) */
+ }
+
+ push_front_worker(pollset, &worker); /* Add worker to pollset */
+
+ pollset_work_and_unlock(exec_ctx, pollset, &worker, now, deadline,
+ &g_orig_sigmask, &error);
+ grpc_exec_ctx_flush(exec_ctx);
+
+ gpr_mu_lock(&pollset->po.mu);
+
+ /* Note: There is no need to reset worker.is_kicked to 0 since we are no
+ longer going to use this worker */
+ remove_worker(pollset, &worker);
+ }
+
+ /* If we are the last worker on the pollset (i.e pollset_has_workers() is
+ false at this point) and the pollset is shutting down, we may have to
+ finish the shutdown process by calling finish_shutdown_locked().
+ See pollset_shutdown() for more details.
+
+ Note: Continuing to access pollset here is safe; it is the caller's
+ responsibility to not destroy a pollset when it has outstanding calls to
+ pollset_work() */
+ if (pollset->shutting_down && !pollset_has_workers(pollset) &&
+ !pollset->finish_shutdown_called) {
+ GPR_TIMER_MARK("pollset_work.finish_shutdown_locked", 0);
+ finish_shutdown_locked(exec_ctx, pollset);
+
+ gpr_mu_unlock(&pollset->po.mu);
+ grpc_exec_ctx_flush(exec_ctx);
+ gpr_mu_lock(&pollset->po.mu);
+ }
+
+ if (worker_hdl) *worker_hdl = NULL;
+
+ gpr_tls_set(&g_current_thread_pollset, (intptr_t)0);
+ gpr_tls_set(&g_current_thread_worker, (intptr_t)0);
+
+ GPR_TIMER_END("pollset_work", 0);
+
+ GRPC_LOG_IF_ERROR("pollset_work", GRPC_ERROR_REF(error));
+ return error;
+}
+
+static void add_poll_object(grpc_exec_ctx *exec_ctx, poll_obj *bag,
+ poll_obj_type bag_type, poll_obj *item,
+ poll_obj_type item_type) {
+ GPR_TIMER_BEGIN("add_poll_object", 0);
+
+#ifdef PO_DEBUG
+ GPR_ASSERT(item->obj_type == item_type);
+ GPR_ASSERT(bag->obj_type == bag_type);
+#endif
+
+ grpc_error *error = GRPC_ERROR_NONE;
+ polling_island *pi_new = NULL;
+
+ gpr_mu_lock(&bag->mu);
+ gpr_mu_lock(&item->mu);
+
+retry:
+ /*
+ * 1) If item->pi and bag->pi are both non-NULL and equal, do nothing
+ * 2) If item->pi and bag->pi are both NULL, create a new polling island (with
+ * a refcount of 2) and point item->pi and bag->pi to the new island
+ * 3) If exactly one of item->pi or bag->pi is NULL, update it to point to
+ * the other's non-NULL pi
+ * 4) Finally if item->pi and bag-pi are non-NULL and not-equal, merge the
+ * polling islands and update item->pi and bag->pi to point to the new
+ * island
+ */
+
+ /* Early out if we are trying to add an 'fd' to a 'bag' but the fd is already
+ * orphaned */
+ if (item_type == POLL_OBJ_FD && (FD_FROM_PO(item))->orphaned) {
+ gpr_mu_unlock(&item->mu);
+ gpr_mu_unlock(&bag->mu);
+ return;
+ }
+
+ if (item->pi == bag->pi) {
+ pi_new = item->pi;
+ if (pi_new == NULL) {
+ /* GPR_ASSERT(item->pi == bag->pi == NULL) */
+
+ /* If we are adding an fd to a bag (i.e pollset or pollset_set), then
+ * we need to do some extra work to make TSAN happy */
+ if (item_type == POLL_OBJ_FD) {
+ /* Unlock before creating a new polling island: the polling island will
+ create a workqueue which creates a file descriptor, and holding an fd
+ lock here can eventually cause a loop to appear to TSAN (making it
+ unhappy). We don't think it's a real loop (there's an epoch point
+ where that loop possibility disappears), but the advantages of
+ keeping TSAN happy outweigh any performance advantage we might have
+ by keeping the lock held. */
+ gpr_mu_unlock(&item->mu);
+ pi_new = polling_island_create(exec_ctx, FD_FROM_PO(item), &error);
+ gpr_mu_lock(&item->mu);
+
+ /* Need to reverify any assumptions made between the initial lock and
+ getting to this branch: if they've changed, we need to throw away our
+ work and figure things out again. */
+ if (item->pi != NULL) {
+ GRPC_POLLING_TRACE(
+ "add_poll_object: Raced creating new polling island. pi_new: %p "
+ "(fd: %d, %s: %p)",
+ (void *)pi_new, FD_FROM_PO(item)->fd, poll_obj_string(bag_type),
+ (void *)bag);
+ /* No need to lock 'pi_new' here since this is a new polling island
+ and no one has a reference to it yet */
+ polling_island_remove_all_fds_locked(pi_new, true, &error);
+
+ /* Ref and unref so that the polling island gets deleted during unref
+ */
+ PI_ADD_REF(pi_new, "dance_of_destruction");
+ PI_UNREF(exec_ctx, pi_new, "dance_of_destruction");
+ goto retry;
+ }
+ } else {
+ pi_new = polling_island_create(exec_ctx, NULL, &error);
+ }
+
+ GRPC_POLLING_TRACE(
+ "add_poll_object: Created new polling island. pi_new: %p (%s: %p, "
+ "%s: %p)",
+ (void *)pi_new, poll_obj_string(item_type), (void *)item,
+ poll_obj_string(bag_type), (void *)bag);
+ } else {
+ GRPC_POLLING_TRACE(
+ "add_poll_object: Same polling island. pi: %p (%s, %s)",
+ (void *)pi_new, poll_obj_string(item_type),
+ poll_obj_string(bag_type));
+ }
+ } else if (item->pi == NULL) {
+ /* GPR_ASSERT(bag->pi != NULL) */
+ /* Make pi_new point to latest pi*/
+ pi_new = polling_island_lock(bag->pi);
+
+ if (item_type == POLL_OBJ_FD) {
+ grpc_fd *fd = FD_FROM_PO(item);
+ polling_island_add_fds_locked(pi_new, &fd, 1, true, &error);
+ }
+
+ gpr_mu_unlock(&pi_new->mu);
+ GRPC_POLLING_TRACE(
+ "add_poll_obj: item->pi was NULL. pi_new: %p (item(%s): %p, "
+ "bag(%s): %p)",
+ (void *)pi_new, poll_obj_string(item_type), (void *)item,
+ poll_obj_string(bag_type), (void *)bag);
+ } else if (bag->pi == NULL) {
+ /* GPR_ASSERT(item->pi != NULL) */
+ /* Make pi_new to point to latest pi */
+ pi_new = polling_island_lock(item->pi);
+ gpr_mu_unlock(&pi_new->mu);
+ GRPC_POLLING_TRACE(
+ "add_poll_obj: bag->pi was NULL. pi_new: %p (item(%s): %p, "
+ "bag(%s): %p)",
+ (void *)pi_new, poll_obj_string(item_type), (void *)item,
+ poll_obj_string(bag_type), (void *)bag);
+ } else {
+ pi_new = polling_island_merge(item->pi, bag->pi, &error);
+ GRPC_POLLING_TRACE(
+ "add_poll_obj: polling islands merged. pi_new: %p (item(%s): %p, "
+ "bag(%s): %p)",
+ (void *)pi_new, poll_obj_string(item_type), (void *)item,
+ poll_obj_string(bag_type), (void *)bag);
+ }
+
+ /* At this point, pi_new is the polling island that both item->pi and bag->pi
+ MUST be pointing to */
+
+ if (item->pi != pi_new) {
+ PI_ADD_REF(pi_new, poll_obj_string(item_type));
+ if (item->pi != NULL) {
+ PI_UNREF(exec_ctx, item->pi, poll_obj_string(item_type));
+ }
+ item->pi = pi_new;
+ }
+
+ if (bag->pi != pi_new) {
+ PI_ADD_REF(pi_new, poll_obj_string(bag_type));
+ if (bag->pi != NULL) {
+ PI_UNREF(exec_ctx, bag->pi, poll_obj_string(bag_type));
+ }
+ bag->pi = pi_new;
+ }
+
+ gpr_mu_unlock(&item->mu);
+ gpr_mu_unlock(&bag->mu);
+
+ GRPC_LOG_IF_ERROR("add_poll_object", error);
+ GPR_TIMER_END("add_poll_object", 0);
+}
+
+static void pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_fd *fd) {
+ add_poll_object(exec_ctx, &pollset->po, POLL_OBJ_POLLSET, &fd->po,
+ POLL_OBJ_FD);
+}
+
+/*******************************************************************************
+ * Pollset-set Definitions
+ */
+
+static grpc_pollset_set *pollset_set_create(void) {
+ grpc_pollset_set *pss = gpr_malloc(sizeof(*pss));
+ gpr_mu_init(&pss->po.mu);
+ pss->po.pi = NULL;
+#ifdef PO_DEBUG
+ pss->po.obj_type = POLL_OBJ_POLLSET_SET;
+#endif
+ return pss;
+}
+
+static void pollset_set_destroy(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *pss) {
+ gpr_mu_destroy(&pss->po.mu);
+
+ if (pss->po.pi != NULL) {
+ PI_UNREF(exec_ctx, pss->po.pi, "pss_destroy");
+ }
+
+ gpr_free(pss);
+}
+
+static void pollset_set_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset_set *pss,
+ grpc_fd *fd) {
+ add_poll_object(exec_ctx, &pss->po, POLL_OBJ_POLLSET_SET, &fd->po,
+ POLL_OBJ_FD);
+}
+
+static void pollset_set_del_fd(grpc_exec_ctx *exec_ctx, grpc_pollset_set *pss,
+ grpc_fd *fd) {
+ /* Nothing to do */
+}
+
+static void pollset_set_add_pollset(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *pss, grpc_pollset *ps) {
+ add_poll_object(exec_ctx, &pss->po, POLL_OBJ_POLLSET_SET, &ps->po,
+ POLL_OBJ_POLLSET);
+}
+
+static void pollset_set_del_pollset(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *pss, grpc_pollset *ps) {
+ /* Nothing to do */
+}
+
+static void pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *bag,
+ grpc_pollset_set *item) {
+ add_poll_object(exec_ctx, &bag->po, POLL_OBJ_POLLSET_SET, &item->po,
+ POLL_OBJ_POLLSET_SET);
+}
+
+static void pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *bag,
+ grpc_pollset_set *item) {
+ /* Nothing to do */
+}
+
+/*******************************************************************************
+ * Event engine binding
+ */
+
+static void shutdown_engine(void) {
+ fd_global_shutdown();
+ pollset_global_shutdown();
+ polling_island_global_shutdown();
+}
+
+static const grpc_event_engine_vtable vtable = {
+ .pollset_size = sizeof(grpc_pollset),
+
+ .fd_create = fd_create,
+ .fd_wrapped_fd = fd_wrapped_fd,
+ .fd_orphan = fd_orphan,
+ .fd_shutdown = fd_shutdown,
+ .fd_is_shutdown = fd_is_shutdown,
+ .fd_notify_on_read = fd_notify_on_read,
+ .fd_notify_on_write = fd_notify_on_write,
+ .fd_get_read_notifier_pollset = fd_get_read_notifier_pollset,
+ .fd_get_workqueue = fd_get_workqueue,
+
+ .pollset_init = pollset_init,
+ .pollset_shutdown = pollset_shutdown,
+ .pollset_destroy = pollset_destroy,
+ .pollset_work = pollset_work,
+ .pollset_kick = pollset_kick,
+ .pollset_add_fd = pollset_add_fd,
+
+ .pollset_set_create = pollset_set_create,
+ .pollset_set_destroy = pollset_set_destroy,
+ .pollset_set_add_pollset = pollset_set_add_pollset,
+ .pollset_set_del_pollset = pollset_set_del_pollset,
+ .pollset_set_add_pollset_set = pollset_set_add_pollset_set,
+ .pollset_set_del_pollset_set = pollset_set_del_pollset_set,
+ .pollset_set_add_fd = pollset_set_add_fd,
+ .pollset_set_del_fd = pollset_set_del_fd,
+
+ .workqueue_ref = workqueue_ref,
+ .workqueue_unref = workqueue_unref,
+ .workqueue_scheduler = workqueue_scheduler,
+
+ .shutdown_engine = shutdown_engine,
+};
+
+/* It is possible that GLIBC has epoll but the underlying kernel doesn't.
+ * Create a dummy epoll_fd to make sure epoll support is available */
+static bool is_epoll_available() {
+ int fd = epoll_create1(EPOLL_CLOEXEC);
+ if (fd < 0) {
+ gpr_log(
+ GPR_ERROR,
+ "epoll_create1 failed with error: %d. Not using epoll polling engine",
+ fd);
+ return false;
+ }
+ close(fd);
+ return true;
+}
+
+/* This is mainly for testing purposes. Checks to see if environment variable
+ * GRPC_MAX_POLLERS_PER_PI is set and if so, assigns that value to
+ * g_max_pollers_per_pi (any negative value is considered INT_MAX) */
+static void set_max_pollers_per_island() {
+ char *s = gpr_getenv("GRPC_MAX_POLLERS_PER_PI");
+ if (s) {
+ g_max_pollers_per_pi = (int)strtol(s, NULL, 10);
+ if (g_max_pollers_per_pi < 0) {
+ g_max_pollers_per_pi = INT_MAX;
+ }
+ } else {
+ g_max_pollers_per_pi = INT_MAX;
+ }
+
+ gpr_log(GPR_INFO, "Max number of pollers per polling island: %d",
+ g_max_pollers_per_pi);
+}
+
+const grpc_event_engine_vtable *grpc_init_epoll_limited_pollers_linux(
+ bool explicitly_requested) {
+ if (!explicitly_requested) {
+ return NULL;
+ }
+
+ /* If use of signals is disabled, we cannot use epoll engine*/
+ if (is_grpc_wakeup_signal_initialized && grpc_wakeup_signal < 0) {
+ return NULL;
+ }
+
+ if (!grpc_has_wakeup_fd()) {
+ return NULL;
+ }
+
+ if (!is_epoll_available()) {
+ return NULL;
+ }
+
+ if (!is_grpc_wakeup_signal_initialized) {
+ grpc_use_signal(SIGRTMIN + 6);
+ }
+
+ set_max_pollers_per_island();
+
+ fd_global_init();
+
+ if (!GRPC_LOG_IF_ERROR("pollset_global_init", pollset_global_init())) {
+ return NULL;
+ }
+
+ if (!GRPC_LOG_IF_ERROR("polling_island_global_init",
+ polling_island_global_init())) {
+ return NULL;
+ }
+
+ return &vtable;
+}
+
+#else /* defined(GRPC_LINUX_EPOLL) */
+#if defined(GRPC_POSIX_SOCKET)
+#include "src/core/lib/iomgr/ev_posix.h"
+/* If GRPC_LINUX_EPOLL is not defined, it means epoll is not available. Return
+ * NULL */
+const grpc_event_engine_vtable *grpc_init_epoll_limited_pollers_linux(
+ bool explicitly_requested) {
+ return NULL;
+}
+#endif /* defined(GRPC_POSIX_SOCKET) */
+#endif /* !defined(GRPC_LINUX_EPOLL) */
diff --git a/src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h b/src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h
new file mode 100644
index 0000000000000000000000000000000000000000..379e1ded3b8b575173cf5e8503259ec0661cf14e
--- /dev/null
+++ b/src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h
@@ -0,0 +1,43 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_IOMGR_EV_EPOLL_LIMITED_POLLERS_LINUX_H
+#define GRPC_CORE_LIB_IOMGR_EV_EPOLL_LIMITED_POLLERS_LINUX_H
+
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/port.h"
+
+const grpc_event_engine_vtable *grpc_init_epoll_limited_pollers_linux(
+ bool explicitly_requested);
+
+#endif /* GRPC_CORE_LIB_IOMGR_EV_EPOLL_LIMITED_POLLERS_LINUX_H */
diff --git a/src/core/lib/iomgr/ev_epoll_thread_pool_linux.c b/src/core/lib/iomgr/ev_epoll_thread_pool_linux.c
new file mode 100644
index 0000000000000000000000000000000000000000..bb44321922a18d7dd142962c3850f1b09e5731a0
--- /dev/null
+++ b/src/core/lib/iomgr/ev_epoll_thread_pool_linux.c
@@ -0,0 +1,1337 @@
+/*
+ *
+ * Copyright 2017, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/iomgr/port.h"
+
+/* This polling engine is only relevant on linux kernels supporting epoll() */
+#ifdef GRPC_LINUX_EPOLL
+
+#include "src/core/lib/iomgr/ev_epoll_thread_pool_linux.h"
+
+#include <assert.h>
+#include <errno.h>
+#include <limits.h>
+#include <poll.h>
+#include <pthread.h>
+#include <string.h>
+#include <sys/epoll.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/cpu.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/tls.h>
+#include <grpc/support/useful.h>
+
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/lockfree_event.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
+#include "src/core/lib/iomgr/workqueue.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/block_annotate.h"
+
+/* TODO: sreek - Move this to init.c and initialize this like other tracers. */
+#define GRPC_POLLING_TRACE(fmt, ...) \
+ if (GRPC_TRACER_ON(grpc_polling_trace)) { \
+ gpr_log(GPR_INFO, (fmt), __VA_ARGS__); \
+ }
+
+/* The alarm system needs to be able to wakeup 'some poller' sometimes
+ * (specifically when a new alarm needs to be triggered earlier than the next
+ * alarm 'epoch'). This wakeup_fd gives us something to alert on when such a
+ * case occurs. */
+
+struct epoll_set;
+
+#define GRPC_POLLSET_KICK_BROADCAST ((grpc_pollset_worker *)1)
+
+/*******************************************************************************
+ * Fd Declarations
+ */
+struct grpc_fd {
+ gpr_mu mu;
+ struct epoll_set *eps;
+
+ int fd;
+
+ /* The fd is either closed or we relinquished control of it. In either cases,
+ this indicates that the 'fd' on this structure is no longer valid */
+ bool orphaned;
+
+ gpr_atm read_closure;
+ gpr_atm write_closure;
+
+ struct grpc_fd *freelist_next;
+ grpc_closure *on_done_closure;
+
+ grpc_iomgr_object iomgr_object;
+};
+
+static void fd_global_init(void);
+static void fd_global_shutdown(void);
+
+/*******************************************************************************
+ * epoll set Declarations
+ */
+
+#ifdef GRPC_WORKQUEUE_REFCOUNT_DEBUG
+
+#define EPS_ADD_REF(p, r) eps_add_ref_dbg((p), (r), __FILE__, __LINE__)
+#define EPS_UNREF(exec_ctx, p, r) \
+ eps_unref_dbg((exec_ctx), (p), (r), __FILE__, __LINE__)
+
+#else /* defined(GRPC_WORKQUEUE_REFCOUNT_DEBUG) */
+
+#define EPS_ADD_REF(p, r) eps_add_ref((p))
+#define EPS_UNREF(exec_ctx, p, r) eps_unref((exec_ctx), (p))
+
+#endif /* !defined(GRPC_EPS_REF_COUNT_DEBUG) */
+
+/* This is also used as grpc_workqueue (by directly casting it) */
+typedef struct epoll_set {
+ grpc_closure_scheduler workqueue_scheduler;
+
+ /* Mutex poller should acquire to poll this. This enforces that only one
+ * poller can be polling on epoll_set at any time */
+ gpr_mu mu;
+
+ /* Ref count. Use EPS_ADD_REF() and EPS_UNREF() macros to increment/decrement
+ the refcount. Once the ref count becomes zero, this structure is destroyed
+ which means we should ensure that there is never a scenario where a
+ EPS_ADD_REF() is racing with a EPS_UNREF() that just made the ref_count
+ zero. */
+ gpr_atm ref_count;
+
+ /* Number of threads currently polling on this epoll set*/
+ gpr_atm poller_count;
+ /* Mutex guarding the read end of the workqueue (must be held to pop from
+ * workqueue_items) */
+ gpr_mu workqueue_read_mu;
+ /* Queue of closures to be executed */
+ gpr_mpscq workqueue_items;
+ /* Count of items in workqueue_items */
+ gpr_atm workqueue_item_count;
+ /* Wakeup fd used to wake pollers to check the contents of workqueue_items */
+ grpc_wakeup_fd workqueue_wakeup_fd;
+
+ /* Is the epoll set shutdown */
+ gpr_atm is_shutdown;
+
+ /* The fd of the underlying epoll set */
+ int epoll_fd;
+} epoll_set;
+
+/*******************************************************************************
+ * Pollset Declarations
+ */
+struct grpc_pollset_worker {
+ gpr_cv kick_cv;
+
+ struct grpc_pollset_worker *next;
+ struct grpc_pollset_worker *prev;
+};
+
+struct grpc_pollset {
+ gpr_mu mu;
+ struct epoll_set *eps;
+
+ grpc_pollset_worker root_worker;
+ bool kicked_without_pollers;
+
+ bool shutting_down; /* Is the pollset shutting down ? */
+ bool finish_shutdown_called; /* Is the 'finish_shutdown_locked()' called ? */
+ grpc_closure *shutdown_done; /* Called after after shutdown is complete */
+};
+
+/*******************************************************************************
+ * Pollset-set Declarations
+ */
+struct grpc_pollset_set {};
+
+/*****************************************************************************
+ * Dedicated polling threads and pollsets - Declarations
+ */
+
+size_t g_num_eps = 1;
+struct epoll_set **g_epoll_sets = NULL;
+gpr_atm g_next_eps;
+size_t g_num_threads_per_eps = 1;
+gpr_thd_id *g_poller_threads = NULL;
+
+/* Used as read-notifier pollsets for fds. We won't be using read notifier
+ * pollsets with this polling engine. So it does not matter what pollset we
+ * return */
+grpc_pollset g_read_notifier;
+
+static void add_fd_to_eps(grpc_fd *fd);
+static bool init_epoll_sets();
+static void shutdown_epoll_sets();
+static void poller_thread_loop(void *arg);
+static void start_poller_threads();
+static void shutdown_poller_threads();
+
+/*******************************************************************************
+ * Common helpers
+ */
+
+static bool append_error(grpc_error **composite, grpc_error *error,
+ const char *desc) {
+ if (error == GRPC_ERROR_NONE) return true;
+ if (*composite == GRPC_ERROR_NONE) {
+ *composite = GRPC_ERROR_CREATE_FROM_COPIED_STRING(desc);
+ }
+ *composite = grpc_error_add_child(*composite, error);
+ return false;
+}
+
+/*******************************************************************************
+ * epoll set Definitions
+ */
+
+/* The wakeup fd that is used to wake up all threads in an epoll_set informing
+ that the epoll set is shutdown. This wakeup fd initialized to be readable
+ and MUST NOT be consumed i.e the threads that woke up MUST NOT call
+ grpc_wakeup_fd_consume_wakeup() */
+static grpc_wakeup_fd epoll_set_wakeup_fd;
+
+/* The epoll set being polled right now.
+ See comments in workqueue_maybe_wakeup for why this is tracked. */
+static __thread epoll_set *g_current_thread_epoll_set;
+
+/* Forward declaration */
+static void epoll_set_delete(epoll_set *eps);
+static void workqueue_enqueue(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
+ grpc_error *error);
+
+#ifdef GRPC_TSAN
+/* Currently TSAN may incorrectly flag data races between epoll_ctl and
+ epoll_wait for any grpc_fd structs that are added to the epoll set via
+ epoll_ctl and are returned (within a very short window) via epoll_wait().
+
+ To work-around this race, we establish a happens-before relation between
+ the code just-before epoll_ctl() and the code after epoll_wait() by using
+ this atomic */
+gpr_atm g_epoll_sync;
+#endif /* defined(GRPC_TSAN) */
+
+static const grpc_closure_scheduler_vtable workqueue_scheduler_vtable = {
+ workqueue_enqueue, workqueue_enqueue, "workqueue"};
+
+static void eps_add_ref(epoll_set *eps);
+static void eps_unref(grpc_exec_ctx *exec_ctx, epoll_set *eps);
+
+#ifdef GRPC_WORKQUEUE_REFCOUNT_DEBUG
+static void eps_add_ref_dbg(epoll_set *eps, const char *reason,
+ const char *file, int line) {
+ long old_cnt = gpr_atm_acq_load(&eps->ref_count);
+ eps_add_ref(eps);
+ gpr_log(GPR_DEBUG, "Add ref eps: %p, old: %ld -> new:%ld (%s) - (%s, %d)",
+ (void *)eps, old_cnt, old_cnt + 1, reason, file, line);
+}
+
+static void eps_unref_dbg(grpc_exec_ctx *exec_ctx, epoll_set *eps,
+ const char *reason, const char *file, int line) {
+ long old_cnt = gpr_atm_acq_load(&eps->ref_count);
+ eps_unref(exec_ctx, eps);
+ gpr_log(GPR_DEBUG, "Unref eps: %p, old:%ld -> new:%ld (%s) - (%s, %d)",
+ (void *)eps, old_cnt, (old_cnt - 1), reason, file, line);
+}
+
+static grpc_workqueue *workqueue_ref(grpc_workqueue *workqueue,
+ const char *file, int line,
+ const char *reason) {
+ if (workqueue != NULL) {
+ eps_add_ref_dbg((epoll_set *)workqueue, reason, file, line);
+ }
+ return workqueue;
+}
+
+static void workqueue_unref(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue,
+ const char *file, int line, const char *reason) {
+ if (workqueue != NULL) {
+ eps_unref_dbg(exec_ctx, (epoll_set *)workqueue, reason, file, line);
+ }
+}
+#else
+static grpc_workqueue *workqueue_ref(grpc_workqueue *workqueue) {
+ if (workqueue != NULL) {
+ eps_add_ref((epoll_set *)workqueue);
+ }
+ return workqueue;
+}
+
+static void workqueue_unref(grpc_exec_ctx *exec_ctx,
+ grpc_workqueue *workqueue) {
+ if (workqueue != NULL) {
+ eps_unref(exec_ctx, (epoll_set *)workqueue);
+ }
+}
+#endif
+
+static void eps_add_ref(epoll_set *eps) {
+ gpr_atm_no_barrier_fetch_add(&eps->ref_count, 1);
+}
+
+static void eps_unref(grpc_exec_ctx *exec_ctx, epoll_set *eps) {
+ /* If ref count went to zero, delete the epoll set. This deletion is
+ not done under a lock since once the ref count goes to zero, we are
+ guaranteed that no one else holds a reference to the epoll set (and
+ that there is no racing eps_add_ref() call either).*/
+ if (1 == gpr_atm_full_fetch_add(&eps->ref_count, -1)) {
+ epoll_set_delete(eps);
+ }
+}
+
+static void epoll_set_add_fd_locked(epoll_set *eps, grpc_fd *fd,
+ grpc_error **error) {
+ int err;
+ struct epoll_event ev;
+ char *err_msg;
+ const char *err_desc = "epoll_set_add_fd_locked";
+
+#ifdef GRPC_TSAN
+ /* See the definition of g_epoll_sync for more context */
+ gpr_atm_rel_store(&g_epoll_sync, (gpr_atm)0);
+#endif /* defined(GRPC_TSAN) */
+
+ ev.events = (uint32_t)(EPOLLIN | EPOLLOUT | EPOLLET);
+ ev.data.ptr = fd;
+ err = epoll_ctl(eps->epoll_fd, EPOLL_CTL_ADD, fd->fd, &ev);
+ if (err < 0 && errno != EEXIST) {
+ gpr_asprintf(
+ &err_msg,
+ "epoll_ctl (epoll_fd: %d) add fd: %d failed with error: %d (%s)",
+ eps->epoll_fd, fd->fd, errno, strerror(errno));
+ append_error(error, GRPC_OS_ERROR(errno, err_msg), err_desc);
+ gpr_free(err_msg);
+ }
+}
+
+static void epoll_set_add_wakeup_fd_locked(epoll_set *eps,
+ grpc_wakeup_fd *wakeup_fd,
+ grpc_error **error) {
+ struct epoll_event ev;
+ int err;
+ char *err_msg;
+ const char *err_desc = "epoll_set_add_wakeup_fd";
+
+ ev.events = (uint32_t)(EPOLLIN | EPOLLET);
+ ev.data.ptr = wakeup_fd;
+ err = epoll_ctl(eps->epoll_fd, EPOLL_CTL_ADD,
+ GRPC_WAKEUP_FD_GET_READ_FD(wakeup_fd), &ev);
+ if (err < 0 && errno != EEXIST) {
+ gpr_asprintf(&err_msg,
+ "epoll_ctl (epoll_fd: %d) add wakeup fd: %d failed with "
+ "error: %d (%s)",
+ eps->epoll_fd, GRPC_WAKEUP_FD_GET_READ_FD(wakeup_fd), errno,
+ strerror(errno));
+ append_error(error, GRPC_OS_ERROR(errno, err_msg), err_desc);
+ gpr_free(err_msg);
+ }
+}
+
+static void epoll_set_remove_fd(epoll_set *eps, grpc_fd *fd, bool is_fd_closed,
+ grpc_error **error) {
+ int err;
+ char *err_msg;
+ const char *err_desc = "epoll_set_remove_fd";
+
+ /* If fd is already closed, then it would have been automatically been removed
+ from the epoll set */
+ if (!is_fd_closed) {
+ err = epoll_ctl(eps->epoll_fd, EPOLL_CTL_DEL, fd->fd, NULL);
+ if (err < 0 && errno != ENOENT) {
+ gpr_asprintf(
+ &err_msg,
+ "epoll_ctl (epoll_fd: %d) del fd: %d failed with error: %d (%s)",
+ eps->epoll_fd, fd->fd, errno, strerror(errno));
+ append_error(error, GRPC_OS_ERROR(errno, err_msg), err_desc);
+ gpr_free(err_msg);
+ }
+ }
+}
+
+/* Might return NULL in case of an error */
+static epoll_set *epoll_set_create(grpc_error **error) {
+ epoll_set *eps = NULL;
+ const char *err_desc = "epoll_set_create";
+
+ *error = GRPC_ERROR_NONE;
+
+ eps = gpr_malloc(sizeof(*eps));
+ eps->workqueue_scheduler.vtable = &workqueue_scheduler_vtable;
+ eps->epoll_fd = -1;
+
+ gpr_mu_init(&eps->mu);
+ gpr_mu_init(&eps->workqueue_read_mu);
+ gpr_mpscq_init(&eps->workqueue_items);
+ gpr_atm_rel_store(&eps->workqueue_item_count, 0);
+
+ gpr_atm_rel_store(&eps->ref_count, 0);
+ gpr_atm_rel_store(&eps->poller_count, 0);
+
+ gpr_atm_rel_store(&eps->is_shutdown, false);
+
+ if (!append_error(error, grpc_wakeup_fd_init(&eps->workqueue_wakeup_fd),
+ err_desc)) {
+ goto done;
+ }
+
+ eps->epoll_fd = epoll_create1(EPOLL_CLOEXEC);
+
+ if (eps->epoll_fd < 0) {
+ append_error(error, GRPC_OS_ERROR(errno, "epoll_create1"), err_desc);
+ goto done;
+ }
+
+ epoll_set_add_wakeup_fd_locked(eps, &eps->workqueue_wakeup_fd, error);
+
+done:
+ if (*error != GRPC_ERROR_NONE) {
+ epoll_set_delete(eps);
+ eps = NULL;
+ }
+ return eps;
+}
+
+static void epoll_set_delete(epoll_set *eps) {
+ if (eps->epoll_fd >= 0) {
+ close(eps->epoll_fd);
+ }
+
+ GPR_ASSERT(gpr_atm_no_barrier_load(&eps->workqueue_item_count) == 0);
+ gpr_mu_destroy(&eps->mu);
+ gpr_mu_destroy(&eps->workqueue_read_mu);
+ gpr_mpscq_destroy(&eps->workqueue_items);
+ grpc_wakeup_fd_destroy(&eps->workqueue_wakeup_fd);
+
+ gpr_free(eps);
+}
+
+static void workqueue_maybe_wakeup(epoll_set *eps) {
+ /* If this thread is the current poller, then it may be that it's about to
+ decrement the current poller count, so we need to look past this thread */
+ bool is_current_poller = (g_current_thread_epoll_set == eps);
+ gpr_atm min_current_pollers_for_wakeup = is_current_poller ? 1 : 0;
+ gpr_atm current_pollers = gpr_atm_no_barrier_load(&eps->poller_count);
+ /* Only issue a wakeup if it's likely that some poller could come in and take
+ it right now. Note that since we do an anticipatory mpscq_pop every poll
+ loop, it's ok if we miss the wakeup here, as we'll get the work item when
+ the next poller enters anyway. */
+ if (current_pollers > min_current_pollers_for_wakeup) {
+ GRPC_LOG_IF_ERROR("workqueue_wakeup_fd",
+ grpc_wakeup_fd_wakeup(&eps->workqueue_wakeup_fd));
+ }
+}
+
+static void workqueue_enqueue(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
+ grpc_error *error) {
+ GPR_TIMER_BEGIN("workqueue.enqueue", 0);
+ grpc_workqueue *workqueue = (grpc_workqueue *)closure->scheduler;
+ /* take a ref to the workqueue: otherwise it can happen that whatever events
+ * this kicks off ends up destroying the workqueue before this function
+ * completes */
+ GRPC_WORKQUEUE_REF(workqueue, "enqueue");
+ epoll_set *eps = (epoll_set *)workqueue;
+ gpr_atm last = gpr_atm_no_barrier_fetch_add(&eps->workqueue_item_count, 1);
+ closure->error_data.error = error;
+ gpr_mpscq_push(&eps->workqueue_items, &closure->next_data.atm_next);
+ if (last == 0) {
+ workqueue_maybe_wakeup(eps);
+ }
+
+ GRPC_WORKQUEUE_UNREF(exec_ctx, workqueue, "enqueue");
+ GPR_TIMER_END("workqueue.enqueue", 0);
+}
+
+static grpc_closure_scheduler *workqueue_scheduler(grpc_workqueue *workqueue) {
+ epoll_set *eps = (epoll_set *)workqueue;
+ return workqueue == NULL ? grpc_schedule_on_exec_ctx
+ : &eps->workqueue_scheduler;
+}
+
+static grpc_error *epoll_set_global_init() {
+ grpc_error *error = GRPC_ERROR_NONE;
+
+ error = grpc_wakeup_fd_init(&epoll_set_wakeup_fd);
+ if (error == GRPC_ERROR_NONE) {
+ error = grpc_wakeup_fd_wakeup(&epoll_set_wakeup_fd);
+ }
+
+ return error;
+}
+
+static void epoll_set_global_shutdown() {
+ grpc_wakeup_fd_destroy(&epoll_set_wakeup_fd);
+}
+
+/*******************************************************************************
+ * Fd Definitions
+ */
+
+/* We need to keep a freelist not because of any concerns of malloc performance
+ * but instead so that implementations with multiple threads in (for example)
+ * epoll_wait deal with the race between pollset removal and incoming poll
+ * notifications.
+ *
+ * The problem is that the poller ultimately holds a reference to this
+ * object, so it is very difficult to know when is safe to free it, at least
+ * without some expensive synchronization.
+ *
+ * If we keep the object freelisted, in the worst case losing this race just
+ * becomes a spurious read notification on a reused fd.
+ */
+
+static grpc_fd *fd_freelist = NULL;
+static gpr_mu fd_freelist_mu;
+
+static grpc_fd *get_fd_from_freelist() {
+ grpc_fd *new_fd = NULL;
+
+ gpr_mu_lock(&fd_freelist_mu);
+ if (fd_freelist != NULL) {
+ new_fd = fd_freelist;
+ fd_freelist = fd_freelist->freelist_next;
+ }
+ gpr_mu_unlock(&fd_freelist_mu);
+ return new_fd;
+}
+
+static void add_fd_to_freelist(grpc_fd *fd) {
+ gpr_mu_lock(&fd_freelist_mu);
+ fd->freelist_next = fd_freelist;
+ fd_freelist = fd;
+ grpc_iomgr_unregister_object(&fd->iomgr_object);
+
+ grpc_lfev_destroy(&fd->read_closure);
+ grpc_lfev_destroy(&fd->write_closure);
+
+ gpr_mu_unlock(&fd_freelist_mu);
+}
+
+static void fd_global_init(void) { gpr_mu_init(&fd_freelist_mu); }
+
+static void fd_global_shutdown(void) {
+ gpr_mu_lock(&fd_freelist_mu);
+ gpr_mu_unlock(&fd_freelist_mu);
+ while (fd_freelist != NULL) {
+ grpc_fd *fd = fd_freelist;
+ fd_freelist = fd_freelist->freelist_next;
+ gpr_mu_destroy(&fd->mu);
+ gpr_free(fd);
+ }
+ gpr_mu_destroy(&fd_freelist_mu);
+}
+
+static grpc_fd *fd_create(int fd, const char *name) {
+ grpc_fd *new_fd = get_fd_from_freelist();
+ if (new_fd == NULL) {
+ new_fd = gpr_malloc(sizeof(grpc_fd));
+ gpr_mu_init(&new_fd->mu);
+ }
+
+ /* Note: It is not really needed to get the new_fd->mu lock here. If this
+ * is a newly created fd (or an fd we got from the freelist), no one else
+ * would be holding a lock to it anyway. */
+ gpr_mu_lock(&new_fd->mu);
+ new_fd->eps = NULL;
+
+ new_fd->fd = fd;
+ new_fd->orphaned = false;
+ grpc_lfev_init(&new_fd->read_closure);
+ grpc_lfev_init(&new_fd->write_closure);
+
+ new_fd->freelist_next = NULL;
+ new_fd->on_done_closure = NULL;
+
+ gpr_mu_unlock(&new_fd->mu);
+
+ char *fd_name;
+ gpr_asprintf(&fd_name, "%s fd=%d", name, fd);
+ grpc_iomgr_register_object(&new_fd->iomgr_object, fd_name);
+ gpr_log(GPR_DEBUG, "FD %d %p create %s", fd, (void *)new_fd, fd_name);
+ gpr_free(fd_name);
+
+ /* Associate the fd with one of the eps */
+ add_fd_to_eps(new_fd);
+ return new_fd;
+}
+
+static int fd_wrapped_fd(grpc_fd *fd) {
+ int ret_fd = -1;
+ gpr_mu_lock(&fd->mu);
+ if (!fd->orphaned) {
+ ret_fd = fd->fd;
+ }
+ gpr_mu_unlock(&fd->mu);
+
+ return ret_fd;
+}
+
+static void fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_closure *on_done, int *release_fd,
+ const char *reason) {
+ bool is_fd_closed = false;
+ grpc_error *error = GRPC_ERROR_NONE;
+ epoll_set *unref_eps = NULL;
+
+ gpr_mu_lock(&fd->mu);
+ fd->on_done_closure = on_done;
+
+ /* If release_fd is not NULL, we should be relinquishing control of the file
+ descriptor fd->fd (but we still own the grpc_fd structure). */
+ if (release_fd != NULL) {
+ *release_fd = fd->fd;
+ } else {
+ close(fd->fd);
+ is_fd_closed = true;
+ }
+
+ fd->orphaned = true;
+
+ /* Remove the fd from the epoll set */
+ if (fd->eps != NULL) {
+ epoll_set_remove_fd(fd->eps, fd, is_fd_closed, &error);
+ unref_eps = fd->eps;
+ fd->eps = NULL;
+ }
+
+ grpc_closure_sched(exec_ctx, fd->on_done_closure, GRPC_ERROR_REF(error));
+
+ gpr_mu_unlock(&fd->mu);
+
+ /* We are done with this fd. Release it (i.e add back to freelist) */
+ add_fd_to_freelist(fd);
+
+ if (unref_eps != NULL) {
+ /* Unref stale epoll set here, outside the fd lock above.
+ The epoll set owns a workqueue which owns an fd, and unreffing
+ inside the lock can cause an eventual lock loop that makes TSAN very
+ unhappy. */
+ EPS_UNREF(exec_ctx, unref_eps, "fd_orphan");
+ }
+ GRPC_LOG_IF_ERROR("fd_orphan", GRPC_ERROR_REF(error));
+ GRPC_ERROR_UNREF(error);
+}
+
+/* This polling engine doesn't really need the read notifier functionality. So
+ * it just returns a dummy read notifier pollset */
+static grpc_pollset *fd_get_read_notifier_pollset(grpc_exec_ctx *exec_ctx,
+ grpc_fd *fd) {
+ return &g_read_notifier;
+}
+
+static bool fd_is_shutdown(grpc_fd *fd) {
+ return grpc_lfev_is_shutdown(&fd->read_closure);
+}
+
+/* Might be called multiple times */
+static void fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_error *why) {
+ if (grpc_lfev_set_shutdown(exec_ctx, &fd->read_closure,
+ GRPC_ERROR_REF(why))) {
+ shutdown(fd->fd, SHUT_RDWR);
+ grpc_lfev_set_shutdown(exec_ctx, &fd->write_closure, GRPC_ERROR_REF(why));
+ }
+ GRPC_ERROR_UNREF(why);
+}
+
+static void fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_closure *closure) {
+ grpc_lfev_notify_on(exec_ctx, &fd->read_closure, closure);
+}
+
+static void fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_closure *closure) {
+ grpc_lfev_notify_on(exec_ctx, &fd->write_closure, closure);
+}
+
+static grpc_workqueue *fd_get_workqueue(grpc_fd *fd) { return NULL; }
+
+/*******************************************************************************
+ * Pollset Definitions
+ */
+/* TODO: sreek - Not needed anymore */
+GPR_TLS_DECL(g_current_thread_pollset);
+GPR_TLS_DECL(g_current_thread_worker);
+
+static void pollset_worker_init(grpc_pollset_worker *worker) {
+ worker->next = worker->prev = NULL;
+ gpr_cv_init(&worker->kick_cv);
+}
+
+/* Global state management */
+static grpc_error *pollset_global_init(void) {
+ gpr_tls_init(&g_current_thread_pollset);
+ gpr_tls_init(&g_current_thread_worker);
+ return GRPC_ERROR_NONE;
+}
+
+static void pollset_global_shutdown(void) {
+ gpr_tls_destroy(&g_current_thread_pollset);
+ gpr_tls_destroy(&g_current_thread_worker);
+}
+
+static grpc_error *pollset_worker_kick(grpc_pollset_worker *worker) {
+ gpr_cv_signal(&worker->kick_cv);
+ return GRPC_ERROR_NONE;
+}
+
+/* Return 1 if the pollset has active threads in pollset_work (pollset must
+ * be locked) */
+static int pollset_has_workers(grpc_pollset *p) {
+ return p->root_worker.next != &p->root_worker;
+}
+
+static void remove_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
+ worker->prev->next = worker->next;
+ worker->next->prev = worker->prev;
+}
+
+static grpc_pollset_worker *pop_front_worker(grpc_pollset *p) {
+ if (pollset_has_workers(p)) {
+ grpc_pollset_worker *w = p->root_worker.next;
+ remove_worker(p, w);
+ return w;
+ } else {
+ return NULL;
+ }
+}
+
+static void push_back_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
+ worker->next = &p->root_worker;
+ worker->prev = worker->next->prev;
+ worker->prev->next = worker->next->prev = worker;
+}
+
+static void push_front_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
+ worker->prev = &p->root_worker;
+ worker->next = worker->prev->next;
+ worker->prev->next = worker->next->prev = worker;
+}
+
+/* p->mu must be held before calling this function */
+static grpc_error *pollset_kick(grpc_pollset *p,
+ grpc_pollset_worker *specific_worker) {
+ GPR_TIMER_BEGIN("pollset_kick", 0);
+ grpc_error *error = GRPC_ERROR_NONE;
+ const char *err_desc = "Kick Failure";
+ grpc_pollset_worker *worker = specific_worker;
+ if (worker != NULL) {
+ if (worker == GRPC_POLLSET_KICK_BROADCAST) {
+ if (pollset_has_workers(p)) {
+ GPR_TIMER_BEGIN("pollset_kick.broadcast", 0);
+ for (worker = p->root_worker.next; worker != &p->root_worker;
+ worker = worker->next) {
+ if (gpr_tls_get(&g_current_thread_worker) != (intptr_t)worker) {
+ append_error(&error, pollset_worker_kick(worker), err_desc);
+ }
+ }
+ GPR_TIMER_END("pollset_kick.broadcast", 0);
+ } else {
+ p->kicked_without_pollers = true;
+ }
+ } else {
+ GPR_TIMER_MARK("kicked_specifically", 0);
+ if (gpr_tls_get(&g_current_thread_worker) != (intptr_t)worker) {
+ append_error(&error, pollset_worker_kick(worker), err_desc);
+ }
+ }
+ } else if (gpr_tls_get(&g_current_thread_pollset) != (intptr_t)p) {
+ /* Since worker == NULL, it means that we can kick "any" worker on this
+ pollset 'p'. If 'p' happens to be the same pollset this thread is
+ currently polling (i.e in pollset_work() function), then there is no need
+ to kick any other worker since the current thread can just absorb the
+ kick. This is the reason why we enter this case only when
+ g_current_thread_pollset is != p */
+
+ GPR_TIMER_MARK("kick_anonymous", 0);
+ worker = pop_front_worker(p);
+ if (worker != NULL) {
+ GPR_TIMER_MARK("finally_kick", 0);
+ push_back_worker(p, worker);
+ append_error(&error, pollset_worker_kick(worker), err_desc);
+ } else {
+ GPR_TIMER_MARK("kicked_no_pollers", 0);
+ p->kicked_without_pollers = true;
+ }
+ }
+
+ GPR_TIMER_END("pollset_kick", 0);
+ GRPC_LOG_IF_ERROR("pollset_kick", GRPC_ERROR_REF(error));
+ return error;
+}
+
+static void pollset_init(grpc_pollset *pollset, gpr_mu **mu) {
+ gpr_mu_init(&pollset->mu);
+ *mu = &pollset->mu;
+ pollset->eps = NULL;
+
+ pollset->root_worker.next = pollset->root_worker.prev = &pollset->root_worker;
+ pollset->kicked_without_pollers = false;
+
+ pollset->shutting_down = false;
+ pollset->finish_shutdown_called = false;
+ pollset->shutdown_done = NULL;
+}
+
+static void fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+ grpc_lfev_set_ready(exec_ctx, &fd->read_closure);
+}
+
+static void fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+ grpc_lfev_set_ready(exec_ctx, &fd->write_closure);
+}
+
+static void pollset_release_epoll_set(grpc_exec_ctx *exec_ctx, grpc_pollset *ps,
+ char *reason) {
+ if (ps->eps != NULL) {
+ EPS_UNREF(exec_ctx, ps->eps, reason);
+ }
+ ps->eps = NULL;
+}
+
+static void finish_shutdown_locked(grpc_exec_ctx *exec_ctx,
+ grpc_pollset *pollset) {
+ /* The pollset cannot have any workers if we are at this stage */
+ GPR_ASSERT(!pollset_has_workers(pollset));
+
+ pollset->finish_shutdown_called = true;
+
+ /* Release the ref and set pollset->eps to NULL */
+ pollset_release_epoll_set(exec_ctx, pollset, "ps_shutdown");
+ grpc_closure_sched(exec_ctx, pollset->shutdown_done, GRPC_ERROR_NONE);
+}
+
+/* pollset->mu lock must be held by the caller before calling this */
+static void pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_closure *closure) {
+ GPR_TIMER_BEGIN("pollset_shutdown", 0);
+ GPR_ASSERT(!pollset->shutting_down);
+ pollset->shutting_down = true;
+ pollset->shutdown_done = closure;
+ pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST);
+
+ /* If the pollset has any workers, we cannot call finish_shutdown_locked()
+ because it would release the underlying epoll set. In such a case, we
+ let the last worker call finish_shutdown_locked() from pollset_work() */
+ if (!pollset_has_workers(pollset)) {
+ GPR_ASSERT(!pollset->finish_shutdown_called);
+ GPR_TIMER_MARK("pollset_shutdown.finish_shutdown_locked", 0);
+ finish_shutdown_locked(exec_ctx, pollset);
+ }
+ GPR_TIMER_END("pollset_shutdown", 0);
+}
+
+/* pollset_shutdown is guaranteed to be called before pollset_destroy. So other
+ * than destroying the mutexes, there is nothing special that needs to be done
+ * here */
+static void pollset_destroy(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
+ GPR_ASSERT(!pollset_has_workers(pollset));
+ gpr_mu_destroy(&pollset->mu);
+}
+
+static bool maybe_do_workqueue_work(grpc_exec_ctx *exec_ctx, epoll_set *eps) {
+ if (gpr_mu_trylock(&eps->workqueue_read_mu)) {
+ gpr_mpscq_node *n = gpr_mpscq_pop(&eps->workqueue_items);
+ gpr_mu_unlock(&eps->workqueue_read_mu);
+ if (n != NULL) {
+ if (gpr_atm_full_fetch_add(&eps->workqueue_item_count, -1) > 1) {
+ workqueue_maybe_wakeup(eps);
+ }
+ grpc_closure *c = (grpc_closure *)n;
+ grpc_error *error = c->error_data.error;
+#ifndef NDEBUG
+ c->scheduled = false;
+#endif
+ c->cb(exec_ctx, c->cb_arg, error);
+ GRPC_ERROR_UNREF(error);
+ return true;
+ } else if (gpr_atm_no_barrier_load(&eps->workqueue_item_count) > 0) {
+ /* n == NULL might mean there's work but it's not available to be popped
+ * yet - try to ensure another workqueue wakes up to check shortly if so
+ */
+ workqueue_maybe_wakeup(eps);
+ }
+ }
+ return false;
+}
+
+/* Blocking call */
+static void acquire_epoll_lease(epoll_set *eps) {
+ if (g_num_threads_per_eps > 1) {
+ gpr_mu_lock(&eps->mu);
+ }
+}
+
+static void release_epoll_lease(epoll_set *eps) {
+ if (g_num_threads_per_eps > 1) {
+ gpr_mu_unlock(&eps->mu);
+ }
+}
+
+#define GRPC_EPOLL_MAX_EVENTS 100
+static void do_epoll_wait(grpc_exec_ctx *exec_ctx, int epoll_fd, epoll_set *eps,
+ grpc_error **error) {
+ struct epoll_event ep_ev[GRPC_EPOLL_MAX_EVENTS];
+ int ep_rv;
+ char *err_msg;
+ const char *err_desc = "do_epoll_wait";
+
+ int timeout_ms = -1;
+
+ GRPC_SCHEDULING_START_BLOCKING_REGION;
+ acquire_epoll_lease(eps);
+ ep_rv = epoll_wait(epoll_fd, ep_ev, GRPC_EPOLL_MAX_EVENTS, timeout_ms);
+ release_epoll_lease(eps);
+ GRPC_SCHEDULING_END_BLOCKING_REGION;
+
+ if (ep_rv < 0) {
+ gpr_asprintf(&err_msg,
+ "epoll_wait() epoll fd: %d failed with error: %d (%s)",
+ epoll_fd, errno, strerror(errno));
+ append_error(error, GRPC_OS_ERROR(errno, err_msg), err_desc);
+ }
+
+#ifdef GRPC_TSAN
+ /* See the definition of g_poll_sync for more details */
+ gpr_atm_acq_load(&g_epoll_sync);
+#endif /* defined(GRPC_TSAN) */
+
+ for (int i = 0; i < ep_rv; ++i) {
+ void *data_ptr = ep_ev[i].data.ptr;
+ if (data_ptr == &eps->workqueue_wakeup_fd) {
+ append_error(error,
+ grpc_wakeup_fd_consume_wakeup(&eps->workqueue_wakeup_fd),
+ err_desc);
+ maybe_do_workqueue_work(exec_ctx, eps);
+ } else if (data_ptr == &epoll_set_wakeup_fd) {
+ gpr_atm_rel_store(&eps->is_shutdown, 1);
+ gpr_log(GPR_INFO, "pollset poller: shutdown set");
+ } else {
+ grpc_fd *fd = data_ptr;
+ int cancel = ep_ev[i].events & (EPOLLERR | EPOLLHUP);
+ int read_ev = ep_ev[i].events & (EPOLLIN | EPOLLPRI);
+ int write_ev = ep_ev[i].events & EPOLLOUT;
+ if (read_ev || cancel) {
+ fd_become_readable(exec_ctx, fd);
+ }
+ if (write_ev || cancel) {
+ fd_become_writable(exec_ctx, fd);
+ }
+ }
+ }
+}
+
+static void epoll_set_work(grpc_exec_ctx *exec_ctx, epoll_set *eps,
+ grpc_error **error) {
+ int epoll_fd = -1;
+ GPR_TIMER_BEGIN("epoll_set_work", 0);
+
+ /* Since epoll_fd is immutable, it is safe to read it without a lock on the
+ epoll set. */
+ epoll_fd = eps->epoll_fd;
+
+ /* If we get some workqueue work to do, it might end up completing an item on
+ the completion queue, so there's no need to poll... so we skip that and
+ redo the complete loop to verify */
+ if (!maybe_do_workqueue_work(exec_ctx, eps)) {
+ gpr_atm_no_barrier_fetch_add(&eps->poller_count, 1);
+ g_current_thread_epoll_set = eps;
+
+ do_epoll_wait(exec_ctx, epoll_fd, eps, error);
+
+ g_current_thread_epoll_set = NULL;
+ gpr_atm_no_barrier_fetch_add(&eps->poller_count, -1);
+ }
+
+ GPR_TIMER_END("epoll_set_work", 0);
+}
+
+/* pollset->mu lock must be held by the caller before calling this.
+ The function pollset_work() may temporarily release the lock (pollset->mu)
+ during the course of its execution but it will always re-acquire the lock and
+ ensure that it is held by the time the function returns */
+static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_pollset_worker **worker_hdl,
+ gpr_timespec now, gpr_timespec deadline) {
+ GPR_TIMER_BEGIN("pollset_work", 0);
+ grpc_error *error = GRPC_ERROR_NONE;
+
+ grpc_pollset_worker worker;
+ pollset_worker_init(&worker);
+
+ if (worker_hdl) *worker_hdl = &worker;
+
+ gpr_tls_set(&g_current_thread_pollset, (intptr_t)pollset);
+ gpr_tls_set(&g_current_thread_worker, (intptr_t)&worker);
+
+ if (pollset->kicked_without_pollers) {
+ /* If the pollset was kicked without pollers, pretend that the current
+ worker got the kick and skip polling. A kick indicates that there is some
+ work that needs attention like an event on the completion queue or an
+ alarm */
+ GPR_TIMER_MARK("pollset_work.kicked_without_pollers", 0);
+ pollset->kicked_without_pollers = 0;
+ } else if (!pollset->shutting_down) {
+ push_front_worker(pollset, &worker);
+
+ gpr_cv_wait(&worker.kick_cv, &pollset->mu,
+ gpr_convert_clock_type(deadline, GPR_CLOCK_REALTIME));
+ /* pollset->mu locked here */
+
+ remove_worker(pollset, &worker);
+ }
+
+ /* If we are the last worker on the pollset (i.e pollset_has_workers() is
+ false at this point) and the pollset is shutting down, we may have to
+ finish the shutdown process by calling finish_shutdown_locked().
+ See pollset_shutdown() for more details.
+
+ Note: Continuing to access pollset here is safe; it is the caller's
+ responsibility to not destroy a pollset when it has outstanding calls to
+ pollset_work() */
+ if (pollset->shutting_down && !pollset_has_workers(pollset) &&
+ !pollset->finish_shutdown_called) {
+ GPR_TIMER_MARK("pollset_work.finish_shutdown_locked", 0);
+ finish_shutdown_locked(exec_ctx, pollset);
+
+ gpr_mu_unlock(&pollset->mu);
+ grpc_exec_ctx_flush(exec_ctx);
+ gpr_mu_lock(&pollset->mu);
+ }
+
+ if (worker_hdl) *worker_hdl = NULL;
+
+ gpr_tls_set(&g_current_thread_pollset, (intptr_t)0);
+ gpr_tls_set(&g_current_thread_worker, (intptr_t)0);
+
+ GPR_TIMER_END("pollset_work", 0);
+
+ GRPC_LOG_IF_ERROR("pollset_work", GRPC_ERROR_REF(error));
+ return error;
+}
+
+static void pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_fd *fd) {
+ /* Nothing to do */
+}
+
+/*******************************************************************************
+ * Pollset-set Definitions
+ */
+grpc_pollset_set g_dummy_pollset_set;
+static grpc_pollset_set *pollset_set_create(void) {
+ return &g_dummy_pollset_set;
+}
+
+static void pollset_set_destroy(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *pss) {
+ /* Nothing to do */
+}
+
+static void pollset_set_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset_set *pss,
+ grpc_fd *fd) {
+ /* Nothing to do */
+}
+
+static void pollset_set_del_fd(grpc_exec_ctx *exec_ctx, grpc_pollset_set *pss,
+ grpc_fd *fd) {
+ /* Nothing to do */
+}
+
+static void pollset_set_add_pollset(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *pss, grpc_pollset *ps) {
+ /* Nothing to do */
+}
+
+static void pollset_set_del_pollset(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *pss, grpc_pollset *ps) {
+ /* Nothing to do */
+}
+
+static void pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *bag,
+ grpc_pollset_set *item) {
+ /* Nothing to do */
+}
+
+static void pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *bag,
+ grpc_pollset_set *item) {
+ /* Nothing to do */
+}
+
+/*******************************************************************************
+ * Event engine binding
+ */
+
+static void shutdown_engine(void) {
+ shutdown_poller_threads();
+ shutdown_epoll_sets();
+ fd_global_shutdown();
+ pollset_global_shutdown();
+ epoll_set_global_shutdown();
+ gpr_log(GPR_INFO, "ev-epoll-threadpool engine shutdown complete");
+}
+
+static const grpc_event_engine_vtable vtable = {
+ .pollset_size = sizeof(grpc_pollset),
+
+ .fd_create = fd_create,
+ .fd_wrapped_fd = fd_wrapped_fd,
+ .fd_orphan = fd_orphan,
+ .fd_shutdown = fd_shutdown,
+ .fd_is_shutdown = fd_is_shutdown,
+ .fd_notify_on_read = fd_notify_on_read,
+ .fd_notify_on_write = fd_notify_on_write,
+ .fd_get_read_notifier_pollset = fd_get_read_notifier_pollset,
+ .fd_get_workqueue = fd_get_workqueue,
+
+ .pollset_init = pollset_init,
+ .pollset_shutdown = pollset_shutdown,
+ .pollset_destroy = pollset_destroy,
+ .pollset_work = pollset_work,
+ .pollset_kick = pollset_kick,
+ .pollset_add_fd = pollset_add_fd,
+
+ .pollset_set_create = pollset_set_create,
+ .pollset_set_destroy = pollset_set_destroy,
+ .pollset_set_add_pollset = pollset_set_add_pollset,
+ .pollset_set_del_pollset = pollset_set_del_pollset,
+ .pollset_set_add_pollset_set = pollset_set_add_pollset_set,
+ .pollset_set_del_pollset_set = pollset_set_del_pollset_set,
+ .pollset_set_add_fd = pollset_set_add_fd,
+ .pollset_set_del_fd = pollset_set_del_fd,
+
+ .workqueue_ref = workqueue_ref,
+ .workqueue_unref = workqueue_unref,
+ .workqueue_scheduler = workqueue_scheduler,
+
+ .shutdown_engine = shutdown_engine,
+};
+
+/*****************************************************************************
+ * Dedicated polling threads and pollsets - Definitions
+ */
+static void add_fd_to_eps(grpc_fd *fd) {
+ GPR_ASSERT(fd->eps == NULL);
+ GPR_TIMER_BEGIN("add_fd_to_eps", 0);
+
+ grpc_error *error = GRPC_ERROR_NONE;
+ size_t idx = (size_t)gpr_atm_no_barrier_fetch_add(&g_next_eps, 1) % g_num_eps;
+ epoll_set *eps = g_epoll_sets[idx];
+
+ gpr_mu_lock(&fd->mu);
+
+ if (fd->orphaned) {
+ gpr_mu_unlock(&fd->mu);
+ return; /* Early out */
+ }
+
+ epoll_set_add_fd_locked(eps, fd, &error);
+ EPS_ADD_REF(eps, "fd");
+ fd->eps = eps;
+
+ GRPC_POLLING_TRACE("add_fd_to_eps (fd: %d, eps idx = %" PRIdPTR ")", fd->fd,
+ idx);
+ gpr_mu_unlock(&fd->mu);
+
+ GRPC_LOG_IF_ERROR("add_fd_to_eps", error);
+ GPR_TIMER_END("add_fd_to_eps", 0);
+}
+
+static bool init_epoll_sets() {
+ grpc_error *error = GRPC_ERROR_NONE;
+ bool is_success = true;
+
+ g_epoll_sets = (epoll_set **)malloc(g_num_eps * sizeof(epoll_set *));
+
+ for (size_t i = 0; i < g_num_eps; i++) {
+ g_epoll_sets[i] = epoll_set_create(&error);
+ if (g_epoll_sets[i] == NULL) {
+ gpr_log(GPR_ERROR, "Error in creating a epoll set");
+ g_num_eps = i; /* Helps cleanup */
+ shutdown_epoll_sets();
+ is_success = false;
+ goto done;
+ }
+
+ EPS_ADD_REF(g_epoll_sets[i], "init_epoll_sets");
+ }
+
+ gpr_atm_no_barrier_store(&g_next_eps, 0);
+ gpr_mu *mu;
+ pollset_init(&g_read_notifier, &mu);
+
+done:
+ GRPC_LOG_IF_ERROR("init_epoll_sets", error);
+ return is_success;
+}
+
+static void shutdown_epoll_sets() {
+ if (!g_epoll_sets) {
+ return;
+ }
+
+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+ for (size_t i = 0; i < g_num_eps; i++) {
+ EPS_UNREF(&exec_ctx, g_epoll_sets[i], "shutdown_epoll_sets");
+ }
+ grpc_exec_ctx_flush(&exec_ctx);
+
+ gpr_free(g_epoll_sets);
+ g_epoll_sets = NULL;
+ pollset_destroy(&exec_ctx, &g_read_notifier);
+ grpc_exec_ctx_finish(&exec_ctx);
+}
+
+static void poller_thread_loop(void *arg) {
+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+ grpc_error *error = GRPC_ERROR_NONE;
+ epoll_set *eps = (epoll_set *)arg;
+
+ while (!gpr_atm_acq_load(&eps->is_shutdown)) {
+ epoll_set_work(&exec_ctx, eps, &error);
+ grpc_exec_ctx_flush(&exec_ctx);
+ }
+
+ grpc_exec_ctx_finish(&exec_ctx);
+ GRPC_LOG_IF_ERROR("poller_thread_loop", error);
+}
+
+/* g_epoll_sets MUST be initialized before calling this */
+static void start_poller_threads() {
+ GPR_ASSERT(g_epoll_sets);
+
+ gpr_log(GPR_INFO, "Starting poller threads");
+
+ size_t num_threads = g_num_eps * g_num_threads_per_eps;
+ g_poller_threads = (gpr_thd_id *)malloc(num_threads * sizeof(gpr_thd_id));
+ gpr_thd_options options = gpr_thd_options_default();
+ gpr_thd_options_set_joinable(&options);
+
+ for (size_t i = 0; i < num_threads; i++) {
+ gpr_thd_new(&g_poller_threads[i], poller_thread_loop,
+ (void *)g_epoll_sets[i % g_num_eps], &options);
+ }
+}
+
+static void shutdown_poller_threads() {
+ GPR_ASSERT(g_poller_threads);
+ GPR_ASSERT(g_epoll_sets);
+ grpc_error *error = GRPC_ERROR_NONE;
+
+ gpr_log(GPR_INFO, "Shutting down pollers");
+
+ epoll_set *eps = NULL;
+ size_t num_threads = g_num_eps * g_num_threads_per_eps;
+ for (size_t i = 0; i < num_threads; i++) {
+ eps = g_epoll_sets[i];
+ epoll_set_add_wakeup_fd_locked(eps, &epoll_set_wakeup_fd, &error);
+ }
+
+ for (size_t i = 0; i < g_num_eps; i++) {
+ gpr_thd_join(g_poller_threads[i]);
+ }
+
+ GRPC_LOG_IF_ERROR("shutdown_poller_threads", error);
+ gpr_free(g_poller_threads);
+ g_poller_threads = NULL;
+}
+
+/****************************************************************************/
+
+/* It is possible that GLIBC has epoll but the underlying kernel doesn't.
+ * Create a dummy epoll_fd to make sure epoll support is available */
+static bool is_epoll_available() {
+ int fd = epoll_create1(EPOLL_CLOEXEC);
+ if (fd < 0) {
+ gpr_log(
+ GPR_ERROR,
+ "epoll_create1 failed with error: %d. Not using epoll polling engine",
+ fd);
+ return false;
+ }
+ close(fd);
+ return true;
+}
+
+const grpc_event_engine_vtable *grpc_init_epoll_thread_pool_linux(
+ bool requested_explicitly) {
+ if (!requested_explicitly) return NULL;
+
+ if (!grpc_has_wakeup_fd()) {
+ return NULL;
+ }
+
+ if (!is_epoll_available()) {
+ return NULL;
+ }
+
+ fd_global_init();
+
+ if (!GRPC_LOG_IF_ERROR("pollset_global_init", pollset_global_init())) {
+ return NULL;
+ }
+
+ if (!GRPC_LOG_IF_ERROR("epoll_set_global_init", epoll_set_global_init())) {
+ return NULL;
+ }
+
+ if (!init_epoll_sets()) {
+ return NULL;
+ }
+
+ /* TODO (sreek): Maynot be a good idea to start threads here (especially if
+ * this engine doesn't get picked. Consider introducing an engine_init
+ * function in the vtable */
+ start_poller_threads();
+ return &vtable;
+}
+
+#else /* defined(GRPC_LINUX_EPOLL) */
+#if defined(GRPC_POSIX_SOCKET)
+#include "src/core/lib/iomgr/ev_posix.h"
+/* If GRPC_LINUX_EPOLL is not defined, it means epoll is not available. Return
+ * NULL */
+const grpc_event_engine_vtable *grpc_init_epoll_thread_pool_linux(
+ bool requested_explicitly) {
+ return NULL;
+}
+#endif /* defined(GRPC_POSIX_SOCKET) */
+#endif /* !defined(GRPC_LINUX_EPOLL) */
diff --git a/src/core/lib/iomgr/ev_epoll_thread_pool_linux.h b/src/core/lib/iomgr/ev_epoll_thread_pool_linux.h
new file mode 100644
index 0000000000000000000000000000000000000000..9af776a52e9fce066b0807e4da07300bbf7b4a3a
--- /dev/null
+++ b/src/core/lib/iomgr/ev_epoll_thread_pool_linux.h
@@ -0,0 +1,43 @@
+/*
+ *
+ * Copyright 2017, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_IOMGR_EV_EPOLL_THREAD_POOL_LINUX_H
+#define GRPC_CORE_LIB_IOMGR_EV_EPOLL_THREAD_POOL_LINUX_H
+
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/port.h"
+
+const grpc_event_engine_vtable *grpc_init_epoll_thread_pool_linux(
+ bool requested_explicitly);
+
+#endif /* GRPC_CORE_LIB_IOMGR_EV_EPOLL_THREAD_POOL_LINUX_H */
diff --git a/src/core/lib/iomgr/ev_epollex_linux.c b/src/core/lib/iomgr/ev_epollex_linux.c
new file mode 100644
index 0000000000000000000000000000000000000000..7cb6085e25517bc1f7a92c86aad3ee004efa7abc
--- /dev/null
+++ b/src/core/lib/iomgr/ev_epollex_linux.c
@@ -0,0 +1,1511 @@
+/*
+ *
+ * Copyright 2017, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/iomgr/port.h"
+
+/* This polling engine is only relevant on linux kernels supporting epoll() */
+#ifdef GRPC_LINUX_EPOLL
+
+#include "src/core/lib/iomgr/ev_epollex_linux.h"
+
+#include <assert.h>
+#include <errno.h>
+#include <poll.h>
+#include <pthread.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/tls.h>
+#include <grpc/support/useful.h>
+
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/is_epollexclusive_available.h"
+#include "src/core/lib/iomgr/lockfree_event.h"
+#include "src/core/lib/iomgr/sys_epoll_wrapper.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/iomgr/wakeup_fd_posix.h"
+#include "src/core/lib/iomgr/workqueue.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/block_annotate.h"
+#include "src/core/lib/support/spinlock.h"
+
+/*******************************************************************************
+ * Pollset-set sibling link
+ */
+
+typedef enum {
+ PO_POLLING_GROUP,
+ PO_POLLSET_SET,
+ PO_POLLSET,
+ PO_FD, /* ordering is important: we always want to lock pollsets before fds:
+ this guarantees that using an fd as a pollable is safe */
+ PO_EMPTY_POLLABLE,
+ PO_COUNT
+} polling_obj_type;
+
+typedef struct polling_obj polling_obj;
+typedef struct polling_group polling_group;
+
+struct polling_obj {
+ gpr_mu mu;
+ polling_obj_type type;
+ polling_group *group;
+ struct polling_obj *next;
+ struct polling_obj *prev;
+};
+
+struct polling_group {
+ polling_obj po;
+ gpr_refcount refs;
+};
+
+static void po_init(polling_obj *po, polling_obj_type type);
+static void po_destroy(polling_obj *po);
+static void po_join(grpc_exec_ctx *exec_ctx, polling_obj *a, polling_obj *b);
+static int po_cmp(polling_obj *a, polling_obj *b);
+
+static void pg_create(grpc_exec_ctx *exec_ctx, polling_obj **initial_po,
+ size_t initial_po_count);
+static polling_group *pg_ref(polling_group *pg);
+static void pg_unref(polling_group *pg);
+static void pg_merge(grpc_exec_ctx *exec_ctx, polling_group *a,
+ polling_group *b);
+static void pg_join(grpc_exec_ctx *exec_ctx, polling_group *pg,
+ polling_obj *po);
+
+/*******************************************************************************
+ * pollable Declarations
+ */
+
+typedef struct pollable {
+ polling_obj po;
+ int epfd;
+ grpc_wakeup_fd wakeup;
+ grpc_pollset_worker *root_worker;
+} pollable;
+
+static pollable g_empty_pollable;
+
+static void pollable_init(pollable *p, polling_obj_type type);
+static void pollable_destroy(pollable *p);
+/* ensure that p->epfd, p->wakeup are initialized; p->po.mu must be held */
+static grpc_error *pollable_materialize(pollable *p);
+
+/*******************************************************************************
+ * Fd Declarations
+ */
+
+struct grpc_fd {
+ pollable pollable;
+ int fd;
+ /* refst format:
+ bit 0 : 1=Active / 0=Orphaned
+ bits 1-n : refcount
+ Ref/Unref by two to avoid altering the orphaned bit */
+ gpr_atm refst;
+
+ /* Wakeup fd used to wake pollers to check the contents of workqueue_items */
+ grpc_wakeup_fd workqueue_wakeup_fd;
+ grpc_closure_scheduler workqueue_scheduler;
+ /* Spinlock guarding the read end of the workqueue (must be held to pop from
+ * workqueue_items) */
+ gpr_spinlock workqueue_read_mu;
+ /* Queue of closures to be executed */
+ gpr_mpscq workqueue_items;
+ /* Count of items in workqueue_items */
+ gpr_atm workqueue_item_count;
+
+ /* The fd is either closed or we relinquished control of it. In either
+ cases, this indicates that the 'fd' on this structure is no longer
+ valid */
+ gpr_mu orphaned_mu;
+ bool orphaned;
+
+ gpr_atm read_closure;
+ gpr_atm write_closure;
+
+ struct grpc_fd *freelist_next;
+ grpc_closure *on_done_closure;
+
+ /* The pollset that last noticed that the fd is readable. The actual type
+ * stored in this is (grpc_pollset *) */
+ gpr_atm read_notifier_pollset;
+
+ grpc_iomgr_object iomgr_object;
+};
+
+static void fd_global_init(void);
+static void fd_global_shutdown(void);
+
+static void workqueue_enqueue(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
+ grpc_error *error);
+
+static const grpc_closure_scheduler_vtable workqueue_scheduler_vtable = {
+ workqueue_enqueue, workqueue_enqueue, "workqueue"};
+
+/*******************************************************************************
+ * Pollset Declarations
+ */
+
+typedef struct pollset_worker_link {
+ grpc_pollset_worker *next;
+ grpc_pollset_worker *prev;
+} pollset_worker_link;
+
+typedef enum {
+ PWL_POLLSET,
+ PWL_POLLABLE,
+ POLLSET_WORKER_LINK_COUNT
+} pollset_worker_links;
+
+struct grpc_pollset_worker {
+ bool kicked;
+ bool initialized_cv;
+ pollset_worker_link links[POLLSET_WORKER_LINK_COUNT];
+ gpr_cv cv;
+ grpc_pollset *pollset;
+ pollable *pollable;
+};
+
+struct grpc_pollset {
+ pollable pollable;
+ pollable *current_pollable;
+ bool kicked_without_poller;
+ grpc_closure *shutdown_closure;
+ grpc_pollset_worker *root_worker;
+};
+
+/*******************************************************************************
+ * Pollset-set Declarations
+ */
+struct grpc_pollset_set {
+ polling_obj po;
+};
+
+/*******************************************************************************
+ * Common helpers
+ */
+
+static bool append_error(grpc_error **composite, grpc_error *error,
+ const char *desc) {
+ if (error == GRPC_ERROR_NONE) return true;
+ if (*composite == GRPC_ERROR_NONE) {
+ *composite = GRPC_ERROR_CREATE_FROM_COPIED_STRING(desc);
+ }
+ *composite = grpc_error_add_child(*composite, error);
+ return false;
+}
+
+/*******************************************************************************
+ * Fd Definitions
+ */
+
+/* We need to keep a freelist not because of any concerns of malloc performance
+ * but instead so that implementations with multiple threads in (for example)
+ * epoll_wait deal with the race between pollset removal and incoming poll
+ * notifications.
+ *
+ * The problem is that the poller ultimately holds a reference to this
+ * object, so it is very difficult to know when is safe to free it, at least
+ * without some expensive synchronization.
+ *
+ * If we keep the object freelisted, in the worst case losing this race just
+ * becomes a spurious read notification on a reused fd.
+ */
+
+/* The alarm system needs to be able to wakeup 'some poller' sometimes
+ * (specifically when a new alarm needs to be triggered earlier than the next
+ * alarm 'epoch'). This wakeup_fd gives us something to alert on when such a
+ * case occurs. */
+
+static grpc_fd *fd_freelist = NULL;
+static gpr_mu fd_freelist_mu;
+
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+#define REF_BY(fd, n, reason) ref_by(fd, n, reason, __FILE__, __LINE__)
+#define UNREF_BY(ec, fd, n, reason) \
+ unref_by(ec, fd, n, reason, __FILE__, __LINE__)
+static void ref_by(grpc_fd *fd, int n, const char *reason, const char *file,
+ int line) {
+ gpr_log(GPR_DEBUG, "FD %d %p ref %d %ld -> %ld [%s; %s:%d]", fd->fd,
+ (void *)fd, n, gpr_atm_no_barrier_load(&fd->refst),
+ gpr_atm_no_barrier_load(&fd->refst) + n, reason, file, line);
+#else
+#define REF_BY(fd, n, reason) ref_by(fd, n)
+#define UNREF_BY(ec, fd, n, reason) unref_by(ec, fd, n)
+static void ref_by(grpc_fd *fd, int n) {
+#endif
+ GPR_ASSERT(gpr_atm_no_barrier_fetch_add(&fd->refst, n) > 0);
+}
+
+static void fd_destroy(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
+ grpc_fd *fd = arg;
+ /* Add the fd to the freelist */
+ grpc_iomgr_unregister_object(&fd->iomgr_object);
+ pollable_destroy(&fd->pollable);
+ gpr_mu_destroy(&fd->orphaned_mu);
+ gpr_mu_lock(&fd_freelist_mu);
+ fd->freelist_next = fd_freelist;
+ fd_freelist = fd;
+
+ grpc_lfev_destroy(&fd->read_closure);
+ grpc_lfev_destroy(&fd->write_closure);
+
+ gpr_mu_unlock(&fd_freelist_mu);
+}
+
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+static void unref_by(grpc_exec_ctx *exec_ctx, grpc_fd *fd, int n,
+ const char *reason, const char *file, int line) {
+ gpr_atm old;
+ gpr_log(GPR_DEBUG, "FD %d %p unref %d %ld -> %ld [%s; %s:%d]", fd->fd,
+ (void *)fd, n, gpr_atm_no_barrier_load(&fd->refst),
+ gpr_atm_no_barrier_load(&fd->refst) - n, reason, file, line);
+#else
+static void unref_by(grpc_exec_ctx *exec_ctx, grpc_fd *fd, int n) {
+ gpr_atm old;
+#endif
+ old = gpr_atm_full_fetch_add(&fd->refst, -n);
+ if (old == n) {
+ grpc_closure_sched(exec_ctx, grpc_closure_create(fd_destroy, fd,
+ grpc_schedule_on_exec_ctx),
+ GRPC_ERROR_NONE);
+ } else {
+ GPR_ASSERT(old > n);
+ }
+}
+
+static void fd_global_init(void) { gpr_mu_init(&fd_freelist_mu); }
+
+static void fd_global_shutdown(void) {
+ gpr_mu_lock(&fd_freelist_mu);
+ gpr_mu_unlock(&fd_freelist_mu);
+ while (fd_freelist != NULL) {
+ grpc_fd *fd = fd_freelist;
+ fd_freelist = fd_freelist->freelist_next;
+ gpr_free(fd);
+ }
+ gpr_mu_destroy(&fd_freelist_mu);
+}
+
+static grpc_fd *fd_create(int fd, const char *name) {
+ grpc_fd *new_fd = NULL;
+
+ gpr_mu_lock(&fd_freelist_mu);
+ if (fd_freelist != NULL) {
+ new_fd = fd_freelist;
+ fd_freelist = fd_freelist->freelist_next;
+ }
+ gpr_mu_unlock(&fd_freelist_mu);
+
+ if (new_fd == NULL) {
+ new_fd = gpr_malloc(sizeof(grpc_fd));
+ }
+
+ pollable_init(&new_fd->pollable, PO_FD);
+
+ gpr_atm_rel_store(&new_fd->refst, (gpr_atm)1);
+ new_fd->fd = fd;
+ gpr_mu_init(&new_fd->orphaned_mu);
+ new_fd->orphaned = false;
+ grpc_lfev_init(&new_fd->read_closure);
+ grpc_lfev_init(&new_fd->write_closure);
+ gpr_atm_no_barrier_store(&new_fd->read_notifier_pollset, (gpr_atm)NULL);
+
+ GRPC_LOG_IF_ERROR("fd_create",
+ grpc_wakeup_fd_init(&new_fd->workqueue_wakeup_fd));
+ new_fd->workqueue_scheduler.vtable = &workqueue_scheduler_vtable;
+ new_fd->workqueue_read_mu = GPR_SPINLOCK_INITIALIZER;
+ gpr_mpscq_init(&new_fd->workqueue_items);
+ gpr_atm_no_barrier_store(&new_fd->workqueue_item_count, 0);
+
+ new_fd->freelist_next = NULL;
+ new_fd->on_done_closure = NULL;
+
+ char *fd_name;
+ gpr_asprintf(&fd_name, "%s fd=%d", name, fd);
+ grpc_iomgr_register_object(&new_fd->iomgr_object, fd_name);
+#ifdef GRPC_FD_REF_COUNT_DEBUG
+ gpr_log(GPR_DEBUG, "FD %d %p create %s", fd, (void *)new_fd, fd_name);
+#endif
+ gpr_free(fd_name);
+ return new_fd;
+}
+
+static int fd_wrapped_fd(grpc_fd *fd) {
+ int ret_fd = -1;
+ gpr_mu_lock(&fd->orphaned_mu);
+ if (!fd->orphaned) {
+ ret_fd = fd->fd;
+ }
+ gpr_mu_unlock(&fd->orphaned_mu);
+
+ return ret_fd;
+}
+
+static void fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_closure *on_done, int *release_fd,
+ const char *reason) {
+ bool is_fd_closed = false;
+ grpc_error *error = GRPC_ERROR_NONE;
+
+ gpr_mu_lock(&fd->pollable.po.mu);
+ gpr_mu_lock(&fd->orphaned_mu);
+ fd->on_done_closure = on_done;
+
+ /* If release_fd is not NULL, we should be relinquishing control of the file
+ descriptor fd->fd (but we still own the grpc_fd structure). */
+ if (release_fd != NULL) {
+ *release_fd = fd->fd;
+ } else {
+ close(fd->fd);
+ is_fd_closed = true;
+ }
+
+ fd->orphaned = true;
+
+ if (!is_fd_closed) {
+ gpr_log(GPR_DEBUG, "TODO: handle fd removal?");
+ }
+
+ /* Remove the active status but keep referenced. We want this grpc_fd struct
+ to be alive (and not added to freelist) until the end of this function */
+ REF_BY(fd, 1, reason);
+
+ grpc_closure_sched(exec_ctx, fd->on_done_closure, GRPC_ERROR_REF(error));
+
+ gpr_mu_unlock(&fd->orphaned_mu);
+ gpr_mu_unlock(&fd->pollable.po.mu);
+ UNREF_BY(exec_ctx, fd, 2, reason); /* Drop the reference */
+ GRPC_LOG_IF_ERROR("fd_orphan", GRPC_ERROR_REF(error));
+ GRPC_ERROR_UNREF(error);
+}
+
+static grpc_pollset *fd_get_read_notifier_pollset(grpc_exec_ctx *exec_ctx,
+ grpc_fd *fd) {
+ gpr_atm notifier = gpr_atm_acq_load(&fd->read_notifier_pollset);
+ return (grpc_pollset *)notifier;
+}
+
+static bool fd_is_shutdown(grpc_fd *fd) {
+ return grpc_lfev_is_shutdown(&fd->read_closure);
+}
+
+/* Might be called multiple times */
+static void fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_error *why) {
+ if (grpc_lfev_set_shutdown(exec_ctx, &fd->read_closure,
+ GRPC_ERROR_REF(why))) {
+ shutdown(fd->fd, SHUT_RDWR);
+ grpc_lfev_set_shutdown(exec_ctx, &fd->write_closure, GRPC_ERROR_REF(why));
+ }
+ GRPC_ERROR_UNREF(why);
+}
+
+static void fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_closure *closure) {
+ grpc_lfev_notify_on(exec_ctx, &fd->read_closure, closure);
+}
+
+static void fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_closure *closure) {
+ grpc_lfev_notify_on(exec_ctx, &fd->write_closure, closure);
+}
+
+static grpc_workqueue *fd_get_workqueue(grpc_fd *fd) {
+ REF_BY(fd, 2, "return_workqueue");
+ return (grpc_workqueue *)fd;
+}
+
+#ifdef GRPC_WORKQUEUE_REFCOUNT_DEBUG
+static grpc_workqueue *workqueue_ref(grpc_workqueue *workqueue,
+ const char *file, int line,
+ const char *reason) {
+ if (workqueue != NULL) {
+ ref_by((grpc_fd *)workqueue, 2, file, line, reason);
+ }
+ return workqueue;
+}
+
+static void workqueue_unref(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue,
+ const char *file, int line, const char *reason) {
+ if (workqueue != NULL) {
+ unref_by(exec_ctx, (grpc_fd *)workqueue, 2, file, line, reason);
+ }
+}
+#else
+static grpc_workqueue *workqueue_ref(grpc_workqueue *workqueue) {
+ if (workqueue != NULL) {
+ ref_by((grpc_fd *)workqueue, 2);
+ }
+ return workqueue;
+}
+
+static void workqueue_unref(grpc_exec_ctx *exec_ctx,
+ grpc_workqueue *workqueue) {
+ if (workqueue != NULL) {
+ unref_by(exec_ctx, (grpc_fd *)workqueue, 2);
+ }
+}
+#endif
+
+static void workqueue_wakeup(grpc_fd *fd) {
+ GRPC_LOG_IF_ERROR("workqueue_enqueue",
+ grpc_wakeup_fd_wakeup(&fd->workqueue_wakeup_fd));
+}
+
+static void workqueue_enqueue(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
+ grpc_error *error) {
+ GPR_TIMER_BEGIN("workqueue.enqueue", 0);
+ grpc_fd *fd = (grpc_fd *)(((char *)closure->scheduler) -
+ offsetof(grpc_fd, workqueue_scheduler));
+ REF_BY(fd, 2, "workqueue_enqueue");
+ gpr_atm last = gpr_atm_no_barrier_fetch_add(&fd->workqueue_item_count, 1);
+ closure->error_data.error = error;
+ gpr_mpscq_push(&fd->workqueue_items, &closure->next_data.atm_next);
+ if (last == 0) {
+ workqueue_wakeup(fd);
+ }
+ UNREF_BY(exec_ctx, fd, 2, "workqueue_enqueue");
+}
+
+static void fd_invoke_workqueue(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+ /* handle spurious wakeups */
+ if (!gpr_spinlock_trylock(&fd->workqueue_read_mu)) return;
+ gpr_mpscq_node *n = gpr_mpscq_pop(&fd->workqueue_items);
+ gpr_spinlock_unlock(&fd->workqueue_read_mu);
+ if (n != NULL) {
+ if (gpr_atm_full_fetch_add(&fd->workqueue_item_count, -1) > 1) {
+ workqueue_wakeup(fd);
+ }
+ grpc_closure *c = (grpc_closure *)n;
+ grpc_error *error = c->error_data.error;
+#ifndef NDEBUG
+ c->scheduled = false;
+#endif
+ c->cb(exec_ctx, c->cb_arg, error);
+ GRPC_ERROR_UNREF(error);
+ } else if (gpr_atm_no_barrier_load(&fd->workqueue_item_count) > 0) {
+ /* n == NULL might mean there's work but it's not available to be popped
+ * yet - try to ensure another workqueue wakes up to check shortly if so
+ */
+ workqueue_wakeup(fd);
+ }
+}
+
+static grpc_closure_scheduler *workqueue_scheduler(grpc_workqueue *workqueue) {
+ return &((grpc_fd *)workqueue)->workqueue_scheduler;
+}
+
+/*******************************************************************************
+ * Pollable Definitions
+ */
+
+static void pollable_init(pollable *p, polling_obj_type type) {
+ po_init(&p->po, type);
+ p->root_worker = NULL;
+ p->epfd = -1;
+}
+
+static void pollable_destroy(pollable *p) {
+ po_destroy(&p->po);
+ if (p->epfd != -1) {
+ close(p->epfd);
+ grpc_wakeup_fd_destroy(&p->wakeup);
+ }
+}
+
+/* ensure that p->epfd, p->wakeup are initialized; p->po.mu must be held */
+static grpc_error *pollable_materialize(pollable *p) {
+ if (p->epfd == -1) {
+ int new_epfd = epoll_create1(EPOLL_CLOEXEC);
+ if (new_epfd < 0) {
+ return GRPC_OS_ERROR(errno, "epoll_create1");
+ }
+ grpc_error *err = grpc_wakeup_fd_init(&p->wakeup);
+ if (err != GRPC_ERROR_NONE) {
+ close(new_epfd);
+ return err;
+ }
+ struct epoll_event ev = {.events = (uint32_t)(EPOLLIN | EPOLLET),
+ .data.ptr = &p->wakeup};
+ if (epoll_ctl(new_epfd, EPOLL_CTL_ADD, p->wakeup.read_fd, &ev) != 0) {
+ err = GRPC_OS_ERROR(errno, "epoll_ctl");
+ close(new_epfd);
+ grpc_wakeup_fd_destroy(&p->wakeup);
+ return err;
+ }
+
+ p->epfd = new_epfd;
+ }
+ return GRPC_ERROR_NONE;
+}
+
+/* pollable must be materialized */
+static grpc_error *pollable_add_fd(pollable *p, grpc_fd *fd) {
+ grpc_error *error = GRPC_ERROR_NONE;
+ static const char *err_desc = "pollable_add_fd";
+ const int epfd = p->epfd;
+ GPR_ASSERT(epfd != -1);
+
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "add fd %p to pollable %p", fd, p);
+ }
+
+ gpr_mu_lock(&fd->orphaned_mu);
+ if (fd->orphaned) {
+ gpr_mu_unlock(&fd->orphaned_mu);
+ return GRPC_ERROR_NONE;
+ }
+ struct epoll_event ev_fd = {
+ .events = (uint32_t)(EPOLLET | EPOLLIN | EPOLLOUT | EPOLLEXCLUSIVE),
+ .data.ptr = fd};
+ if (epoll_ctl(epfd, EPOLL_CTL_ADD, fd->fd, &ev_fd) != 0) {
+ switch (errno) {
+ case EEXIST: /* if this fd is already in the epoll set, the workqueue fd
+ must also be - just return */
+ gpr_mu_unlock(&fd->orphaned_mu);
+ return GRPC_ERROR_NONE;
+ default:
+ append_error(&error, GRPC_OS_ERROR(errno, "epoll_ctl"), err_desc);
+ }
+ }
+ struct epoll_event ev_wq = {
+ .events = (uint32_t)(EPOLLET | EPOLLIN | EPOLLEXCLUSIVE),
+ .data.ptr = (void *)(1 + (intptr_t)fd)};
+ if (epoll_ctl(epfd, EPOLL_CTL_ADD, fd->workqueue_wakeup_fd.read_fd, &ev_wq) !=
+ 0) {
+ switch (errno) {
+ case EEXIST: /* if the workqueue fd is already in the epoll set we're ok
+ - no need to do anything special */
+ break;
+ default:
+ append_error(&error, GRPC_OS_ERROR(errno, "epoll_ctl"), err_desc);
+ }
+ }
+ gpr_mu_unlock(&fd->orphaned_mu);
+
+ return error;
+}
+
+/*******************************************************************************
+ * Pollset Definitions
+ */
+
+GPR_TLS_DECL(g_current_thread_pollset);
+GPR_TLS_DECL(g_current_thread_worker);
+
+/* Global state management */
+static grpc_error *pollset_global_init(void) {
+ gpr_tls_init(&g_current_thread_pollset);
+ gpr_tls_init(&g_current_thread_worker);
+ pollable_init(&g_empty_pollable, PO_EMPTY_POLLABLE);
+ return GRPC_ERROR_NONE;
+}
+
+static void pollset_global_shutdown(void) {
+ pollable_destroy(&g_empty_pollable);
+ gpr_tls_destroy(&g_current_thread_pollset);
+ gpr_tls_destroy(&g_current_thread_worker);
+}
+
+static grpc_error *pollset_kick_all(grpc_pollset *pollset) {
+ grpc_error *error = GRPC_ERROR_NONE;
+ if (pollset->root_worker != NULL) {
+ grpc_pollset_worker *worker = pollset->root_worker;
+ do {
+ if (worker->pollable != &pollset->pollable) {
+ gpr_mu_lock(&worker->pollable->po.mu);
+ }
+ if (worker->initialized_cv) {
+ worker->kicked = true;
+ gpr_cv_signal(&worker->cv);
+ } else {
+ append_error(&error, grpc_wakeup_fd_wakeup(&worker->pollable->wakeup),
+ "pollset_shutdown");
+ }
+ if (worker->pollable != &pollset->pollable) {
+ gpr_mu_unlock(&worker->pollable->po.mu);
+ }
+
+ worker = worker->links[PWL_POLLSET].next;
+ } while (worker != pollset->root_worker);
+ }
+ return error;
+}
+
+static grpc_error *pollset_kick_inner(grpc_pollset *pollset, pollable *p,
+ grpc_pollset_worker *specific_worker) {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG,
+ "PS:%p kick %p tls_pollset=%p tls_worker=%p "
+ "root_worker=(pollset:%p pollable:%p)",
+ p, specific_worker, (void *)gpr_tls_get(&g_current_thread_pollset),
+ (void *)gpr_tls_get(&g_current_thread_worker), pollset->root_worker,
+ p->root_worker);
+ }
+ if (specific_worker == NULL) {
+ if (gpr_tls_get(&g_current_thread_pollset) != (intptr_t)pollset) {
+ if (pollset->root_worker == NULL) {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p kicked_any_without_poller", p);
+ }
+ pollset->kicked_without_poller = true;
+ return GRPC_ERROR_NONE;
+ } else {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p kicked_any_via_wakeup_fd", p);
+ }
+ grpc_error *err = pollable_materialize(p);
+ if (err != GRPC_ERROR_NONE) return err;
+ return grpc_wakeup_fd_wakeup(&p->wakeup);
+ }
+ } else {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p kicked_any_but_awake", p);
+ }
+ return GRPC_ERROR_NONE;
+ }
+ } else if (specific_worker->kicked) {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p kicked_specific_but_already_kicked", p);
+ }
+ return GRPC_ERROR_NONE;
+ } else if (gpr_tls_get(&g_current_thread_worker) ==
+ (intptr_t)specific_worker) {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p kicked_specific_but_awake", p);
+ }
+ specific_worker->kicked = true;
+ return GRPC_ERROR_NONE;
+ } else if (specific_worker == p->root_worker) {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p kicked_specific_via_wakeup_fd", p);
+ }
+ grpc_error *err = pollable_materialize(p);
+ if (err != GRPC_ERROR_NONE) return err;
+ specific_worker->kicked = true;
+ return grpc_wakeup_fd_wakeup(&p->wakeup);
+ } else {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p kicked_specific_via_cv", p);
+ }
+ specific_worker->kicked = true;
+ gpr_cv_signal(&specific_worker->cv);
+ return GRPC_ERROR_NONE;
+ }
+}
+
+/* p->po.mu must be held before calling this function */
+static grpc_error *pollset_kick(grpc_pollset *pollset,
+ grpc_pollset_worker *specific_worker) {
+ pollable *p = pollset->current_pollable;
+ if (p != &pollset->pollable) {
+ gpr_mu_lock(&p->po.mu);
+ }
+ grpc_error *error = pollset_kick_inner(pollset, p, specific_worker);
+ if (p != &pollset->pollable) {
+ gpr_mu_unlock(&p->po.mu);
+ }
+ return error;
+}
+
+static void pollset_init(grpc_pollset *pollset, gpr_mu **mu) {
+ pollable_init(&pollset->pollable, PO_POLLSET);
+ pollset->current_pollable = &g_empty_pollable;
+ pollset->kicked_without_poller = false;
+ pollset->shutdown_closure = NULL;
+ pollset->root_worker = NULL;
+ *mu = &pollset->pollable.po.mu;
+}
+
+/* Convert a timespec to milliseconds:
+ - Very small or negative poll times are clamped to zero to do a non-blocking
+ poll (which becomes spin polling)
+ - Other small values are rounded up to one millisecond
+ - Longer than a millisecond polls are rounded up to the next nearest
+ millisecond to avoid spinning
+ - Infinite timeouts are converted to -1 */
+static int poll_deadline_to_millis_timeout(gpr_timespec deadline,
+ gpr_timespec now) {
+ gpr_timespec timeout;
+ if (gpr_time_cmp(deadline, gpr_inf_future(deadline.clock_type)) == 0) {
+ return -1;
+ }
+
+ if (gpr_time_cmp(deadline, now) <= 0) {
+ return 0;
+ }
+
+ static const gpr_timespec round_up = {
+ .clock_type = GPR_TIMESPAN, .tv_sec = 0, .tv_nsec = GPR_NS_PER_MS - 1};
+ timeout = gpr_time_sub(deadline, now);
+ int millis = gpr_time_to_millis(gpr_time_add(timeout, round_up));
+ return millis >= 1 ? millis : 1;
+}
+
+static void fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd,
+ grpc_pollset *notifier) {
+ grpc_lfev_set_ready(exec_ctx, &fd->read_closure);
+
+ /* Note, it is possible that fd_become_readable might be called twice with
+ different 'notifier's when an fd becomes readable and it is in two epoll
+ sets (This can happen briefly during polling island merges). In such cases
+ it does not really matter which notifer is set as the read_notifier_pollset
+ (They would both point to the same polling island anyway) */
+ /* Use release store to match with acquire load in fd_get_read_notifier */
+ gpr_atm_rel_store(&fd->read_notifier_pollset, (gpr_atm)notifier);
+}
+
+static void fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) {
+ grpc_lfev_set_ready(exec_ctx, &fd->write_closure);
+}
+
+static grpc_error *fd_become_pollable_locked(grpc_fd *fd) {
+ grpc_error *error = GRPC_ERROR_NONE;
+ static const char *err_desc = "fd_become_pollable";
+ if (append_error(&error, pollable_materialize(&fd->pollable), err_desc)) {
+ append_error(&error, pollable_add_fd(&fd->pollable, fd), err_desc);
+ }
+ return error;
+}
+
+static void pollset_maybe_finish_shutdown(grpc_exec_ctx *exec_ctx,
+ grpc_pollset *pollset) {
+ if (pollset->shutdown_closure != NULL && pollset->root_worker == NULL) {
+ grpc_closure_sched(exec_ctx, pollset->shutdown_closure, GRPC_ERROR_NONE);
+ pollset->shutdown_closure = NULL;
+ }
+}
+
+/* pollset->po.mu lock must be held by the caller before calling this */
+static void pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_closure *closure) {
+ GPR_ASSERT(pollset->shutdown_closure == NULL);
+ pollset->shutdown_closure = closure;
+ GRPC_LOG_IF_ERROR("pollset_shutdown", pollset_kick_all(pollset));
+ pollset_maybe_finish_shutdown(exec_ctx, pollset);
+}
+
+static bool pollset_is_pollable_fd(grpc_pollset *pollset, pollable *p) {
+ return p != &g_empty_pollable && p != &pollset->pollable;
+}
+
+/* pollset_shutdown is guaranteed to be called before pollset_destroy. */
+static void pollset_destroy(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
+ pollable_destroy(&pollset->pollable);
+ if (pollset_is_pollable_fd(pollset, pollset->current_pollable)) {
+ UNREF_BY(exec_ctx, (grpc_fd *)pollset->current_pollable, 2,
+ "pollset_pollable");
+ }
+}
+
+#define MAX_EPOLL_EVENTS 100
+
+static grpc_error *pollset_epoll(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ pollable *p, gpr_timespec now,
+ gpr_timespec deadline) {
+ struct epoll_event events[MAX_EPOLL_EVENTS];
+ static const char *err_desc = "pollset_poll";
+
+ int timeout = poll_deadline_to_millis_timeout(deadline, now);
+
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p poll %p for %dms", pollset, p, timeout);
+ }
+
+ if (timeout != 0) {
+ GRPC_SCHEDULING_START_BLOCKING_REGION;
+ }
+ int r;
+ do {
+ r = epoll_wait(p->epfd, events, MAX_EPOLL_EVENTS, timeout);
+ } while (r < 0 && errno == EINTR);
+ if (timeout != 0) {
+ GRPC_SCHEDULING_END_BLOCKING_REGION;
+ }
+
+ if (r < 0) return GRPC_OS_ERROR(errno, "epoll_wait");
+
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p poll %p got %d events", pollset, p, r);
+ }
+
+ grpc_error *error = GRPC_ERROR_NONE;
+ for (int i = 0; i < r; i++) {
+ void *data_ptr = events[i].data.ptr;
+ if (data_ptr == &p->wakeup) {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p poll %p got pollset_wakeup", pollset, p);
+ }
+ append_error(&error, grpc_wakeup_fd_consume_wakeup(&p->wakeup), err_desc);
+ } else {
+ grpc_fd *fd = (grpc_fd *)(((intptr_t)data_ptr) & ~(intptr_t)1);
+ bool is_workqueue = (((intptr_t)data_ptr) & 1) != 0;
+ bool cancel = (events[i].events & (EPOLLERR | EPOLLHUP)) != 0;
+ bool read_ev = (events[i].events & (EPOLLIN | EPOLLPRI)) != 0;
+ bool write_ev = (events[i].events & EPOLLOUT) != 0;
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG,
+ "PS:%p poll %p got fd %p: is_wq=%d cancel=%d read=%d "
+ "write=%d",
+ pollset, p, fd, is_workqueue, cancel, read_ev, write_ev);
+ }
+ if (is_workqueue) {
+ append_error(&error,
+ grpc_wakeup_fd_consume_wakeup(&fd->workqueue_wakeup_fd),
+ err_desc);
+ fd_invoke_workqueue(exec_ctx, fd);
+ } else {
+ if (read_ev || cancel) {
+ fd_become_readable(exec_ctx, fd, pollset);
+ }
+ if (write_ev || cancel) {
+ fd_become_writable(exec_ctx, fd);
+ }
+ }
+ }
+ }
+
+ return error;
+}
+
+/* Return true if first in list */
+static bool worker_insert(grpc_pollset_worker **root, pollset_worker_links link,
+ grpc_pollset_worker *worker) {
+ if (*root == NULL) {
+ *root = worker;
+ worker->links[link].next = worker->links[link].prev = worker;
+ return true;
+ } else {
+ worker->links[link].next = *root;
+ worker->links[link].prev = worker->links[link].next->links[link].prev;
+ worker->links[link].next->links[link].prev = worker;
+ worker->links[link].prev->links[link].next = worker;
+ return false;
+ }
+}
+
+/* Return true if last in list */
+typedef enum { EMPTIED, NEW_ROOT, REMOVED } worker_remove_result;
+
+static worker_remove_result worker_remove(grpc_pollset_worker **root,
+ pollset_worker_links link,
+ grpc_pollset_worker *worker) {
+ if (worker == *root) {
+ if (worker == worker->links[link].next) {
+ *root = NULL;
+ return EMPTIED;
+ } else {
+ *root = worker->links[link].next;
+ worker->links[link].prev->links[link].next = worker->links[link].next;
+ worker->links[link].next->links[link].prev = worker->links[link].prev;
+ return NEW_ROOT;
+ }
+ } else {
+ worker->links[link].prev->links[link].next = worker->links[link].next;
+ worker->links[link].next->links[link].prev = worker->links[link].prev;
+ return REMOVED;
+ }
+}
+
+/* Return true if this thread should poll */
+static bool begin_worker(grpc_pollset *pollset, grpc_pollset_worker *worker,
+ grpc_pollset_worker **worker_hdl, gpr_timespec *now,
+ gpr_timespec deadline) {
+ bool do_poll = true;
+ if (worker_hdl != NULL) *worker_hdl = worker;
+ worker->initialized_cv = false;
+ worker->kicked = false;
+ worker->pollset = pollset;
+ worker->pollable = pollset->current_pollable;
+
+ if (pollset_is_pollable_fd(pollset, worker->pollable)) {
+ REF_BY((grpc_fd *)worker->pollable, 2, "one_poll");
+ }
+
+ worker_insert(&pollset->root_worker, PWL_POLLSET, worker);
+ if (!worker_insert(&worker->pollable->root_worker, PWL_POLLABLE, worker)) {
+ worker->initialized_cv = true;
+ gpr_cv_init(&worker->cv);
+ if (worker->pollable != &pollset->pollable) {
+ gpr_mu_unlock(&pollset->pollable.po.mu);
+ }
+ if (GRPC_TRACER_ON(grpc_polling_trace) &&
+ worker->pollable->root_worker != worker) {
+ gpr_log(GPR_DEBUG, "PS:%p wait %p w=%p for %dms", pollset,
+ worker->pollable, worker,
+ poll_deadline_to_millis_timeout(deadline, *now));
+ }
+ while (do_poll && worker->pollable->root_worker != worker) {
+ if (gpr_cv_wait(&worker->cv, &worker->pollable->po.mu, deadline)) {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p timeout_wait %p w=%p", pollset,
+ worker->pollable, worker);
+ }
+ do_poll = false;
+ } else if (worker->kicked) {
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p wakeup %p w=%p", pollset, worker->pollable,
+ worker);
+ }
+ do_poll = false;
+ } else if (GRPC_TRACER_ON(grpc_polling_trace) &&
+ worker->pollable->root_worker != worker) {
+ gpr_log(GPR_DEBUG, "PS:%p spurious_wakeup %p w=%p", pollset,
+ worker->pollable, worker);
+ }
+ }
+ if (worker->pollable != &pollset->pollable) {
+ gpr_mu_unlock(&worker->pollable->po.mu);
+ gpr_mu_lock(&pollset->pollable.po.mu);
+ gpr_mu_lock(&worker->pollable->po.mu);
+ }
+ *now = gpr_now(now->clock_type);
+ }
+
+ return do_poll && pollset->shutdown_closure == NULL &&
+ pollset->current_pollable == worker->pollable;
+}
+
+static void end_worker(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_pollset_worker *worker,
+ grpc_pollset_worker **worker_hdl) {
+ if (NEW_ROOT ==
+ worker_remove(&worker->pollable->root_worker, PWL_POLLABLE, worker)) {
+ gpr_cv_signal(&worker->pollable->root_worker->cv);
+ }
+ if (worker->initialized_cv) {
+ gpr_cv_destroy(&worker->cv);
+ }
+ if (pollset_is_pollable_fd(pollset, worker->pollable)) {
+ UNREF_BY(exec_ctx, (grpc_fd *)worker->pollable, 2, "one_poll");
+ }
+ if (EMPTIED == worker_remove(&pollset->root_worker, PWL_POLLSET, worker)) {
+ pollset_maybe_finish_shutdown(exec_ctx, pollset);
+ }
+}
+
+/* pollset->po.mu lock must be held by the caller before calling this.
+ The function pollset_work() may temporarily release the lock (pollset->po.mu)
+ during the course of its execution but it will always re-acquire the lock and
+ ensure that it is held by the time the function returns */
+static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_pollset_worker **worker_hdl,
+ gpr_timespec now, gpr_timespec deadline) {
+ grpc_pollset_worker worker;
+ if (0 && GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "PS:%p work hdl=%p worker=%p now=%" PRId64
+ ".%09d deadline=%" PRId64 ".%09d kwp=%d root_worker=%p",
+ pollset, worker_hdl, &worker, now.tv_sec, now.tv_nsec,
+ deadline.tv_sec, deadline.tv_nsec, pollset->kicked_without_poller,
+ pollset->root_worker);
+ }
+ grpc_error *error = GRPC_ERROR_NONE;
+ static const char *err_desc = "pollset_work";
+ if (pollset->kicked_without_poller) {
+ pollset->kicked_without_poller = false;
+ return GRPC_ERROR_NONE;
+ }
+ if (pollset->current_pollable != &pollset->pollable) {
+ gpr_mu_lock(&pollset->current_pollable->po.mu);
+ }
+ if (begin_worker(pollset, &worker, worker_hdl, &now, deadline)) {
+ gpr_tls_set(&g_current_thread_pollset, (intptr_t)pollset);
+ gpr_tls_set(&g_current_thread_worker, (intptr_t)&worker);
+ GPR_ASSERT(!pollset->shutdown_closure);
+ append_error(&error, pollable_materialize(worker.pollable), err_desc);
+ if (worker.pollable != &pollset->pollable) {
+ gpr_mu_unlock(&worker.pollable->po.mu);
+ }
+ gpr_mu_unlock(&pollset->pollable.po.mu);
+ append_error(&error, pollset_epoll(exec_ctx, pollset, worker.pollable, now,
+ deadline),
+ err_desc);
+ grpc_exec_ctx_flush(exec_ctx);
+ gpr_mu_lock(&pollset->pollable.po.mu);
+ if (worker.pollable != &pollset->pollable) {
+ gpr_mu_lock(&worker.pollable->po.mu);
+ }
+ gpr_tls_set(&g_current_thread_pollset, 0);
+ gpr_tls_set(&g_current_thread_worker, 0);
+ pollset_maybe_finish_shutdown(exec_ctx, pollset);
+ }
+ end_worker(exec_ctx, pollset, &worker, worker_hdl);
+ if (worker.pollable != &pollset->pollable) {
+ gpr_mu_unlock(&worker.pollable->po.mu);
+ }
+ return error;
+}
+
+static void unref_fd_no_longer_poller(grpc_exec_ctx *exec_ctx, void *arg,
+ grpc_error *error) {
+ grpc_fd *fd = arg;
+ UNREF_BY(exec_ctx, fd, 2, "pollset_pollable");
+}
+
+/* expects pollsets locked, flag whether fd is locked or not */
+static grpc_error *pollset_add_fd_locked(grpc_exec_ctx *exec_ctx,
+ grpc_pollset *pollset, grpc_fd *fd,
+ bool fd_locked) {
+ static const char *err_desc = "pollset_add_fd";
+ grpc_error *error = GRPC_ERROR_NONE;
+ if (pollset->current_pollable == &g_empty_pollable) {
+ if (GRPC_TRACER_ON(grpc_polling_trace))
+ gpr_log(GPR_DEBUG,
+ "PS:%p add fd %p; transition pollable from empty to fd", pollset,
+ fd);
+ /* empty pollable --> single fd pollable */
+ append_error(&error, pollset_kick_all(pollset), err_desc);
+ pollset->current_pollable = &fd->pollable;
+ if (!fd_locked) gpr_mu_lock(&fd->pollable.po.mu);
+ append_error(&error, fd_become_pollable_locked(fd), err_desc);
+ if (!fd_locked) gpr_mu_unlock(&fd->pollable.po.mu);
+ REF_BY(fd, 2, "pollset_pollable");
+ } else if (pollset->current_pollable == &pollset->pollable) {
+ if (GRPC_TRACER_ON(grpc_polling_trace))
+ gpr_log(GPR_DEBUG, "PS:%p add fd %p; already multipolling", pollset, fd);
+ append_error(&error, pollable_add_fd(pollset->current_pollable, fd),
+ err_desc);
+ } else if (pollset->current_pollable != &fd->pollable) {
+ grpc_fd *had_fd = (grpc_fd *)pollset->current_pollable;
+ if (GRPC_TRACER_ON(grpc_polling_trace))
+ gpr_log(GPR_DEBUG,
+ "PS:%p add fd %p; transition pollable from fd %p to multipoller",
+ pollset, fd, had_fd);
+ append_error(&error, pollset_kick_all(pollset), err_desc);
+ pollset->current_pollable = &pollset->pollable;
+ if (append_error(&error, pollable_materialize(&pollset->pollable),
+ err_desc)) {
+ pollable_add_fd(&pollset->pollable, had_fd);
+ pollable_add_fd(&pollset->pollable, fd);
+ }
+ grpc_closure_sched(exec_ctx,
+ grpc_closure_create(unref_fd_no_longer_poller, had_fd,
+ grpc_schedule_on_exec_ctx),
+ GRPC_ERROR_NONE);
+ }
+ return error;
+}
+
+static void pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
+ grpc_fd *fd) {
+ gpr_mu_lock(&pollset->pollable.po.mu);
+ grpc_error *error = pollset_add_fd_locked(exec_ctx, pollset, fd, false);
+ gpr_mu_unlock(&pollset->pollable.po.mu);
+ GRPC_LOG_IF_ERROR("pollset_add_fd", error);
+}
+
+/*******************************************************************************
+ * Pollset-set Definitions
+ */
+
+static grpc_pollset_set *pollset_set_create(void) {
+ grpc_pollset_set *pss = gpr_zalloc(sizeof(*pss));
+ po_init(&pss->po, PO_POLLSET_SET);
+ return pss;
+}
+
+static void pollset_set_destroy(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *pss) {
+ po_destroy(&pss->po);
+ gpr_free(pss);
+}
+
+static void pollset_set_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset_set *pss,
+ grpc_fd *fd) {
+ po_join(exec_ctx, &pss->po, &fd->pollable.po);
+}
+
+static void pollset_set_del_fd(grpc_exec_ctx *exec_ctx, grpc_pollset_set *pss,
+ grpc_fd *fd) {}
+
+static void pollset_set_add_pollset(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *pss, grpc_pollset *ps) {
+ po_join(exec_ctx, &pss->po, &ps->pollable.po);
+}
+
+static void pollset_set_del_pollset(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *pss, grpc_pollset *ps) {}
+
+static void pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *bag,
+ grpc_pollset_set *item) {
+ po_join(exec_ctx, &bag->po, &item->po);
+}
+
+static void pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx,
+ grpc_pollset_set *bag,
+ grpc_pollset_set *item) {}
+
+static void po_init(polling_obj *po, polling_obj_type type) {
+ gpr_mu_init(&po->mu);
+ po->type = type;
+ po->group = NULL;
+ po->next = po;
+ po->prev = po;
+}
+
+static polling_group *pg_lock_latest(polling_group *pg) {
+ /* assumes pg unlocked; consumes ref, returns ref */
+ gpr_mu_lock(&pg->po.mu);
+ while (pg->po.group != NULL) {
+ polling_group *new_pg = pg_ref(pg->po.group);
+ gpr_mu_unlock(&pg->po.mu);
+ pg_unref(pg);
+ pg = new_pg;
+ gpr_mu_lock(&pg->po.mu);
+ }
+ return pg;
+}
+
+static void po_destroy(polling_obj *po) {
+ if (po->group != NULL) {
+ polling_group *pg = pg_lock_latest(po->group);
+ po->prev->next = po->next;
+ po->next->prev = po->prev;
+ gpr_mu_unlock(&pg->po.mu);
+ pg_unref(pg);
+ }
+ gpr_mu_destroy(&po->mu);
+}
+
+static polling_group *pg_ref(polling_group *pg) {
+ gpr_ref(&pg->refs);
+ return pg;
+}
+
+static void pg_unref(polling_group *pg) {
+ if (gpr_unref(&pg->refs)) {
+ po_destroy(&pg->po);
+ gpr_free(pg);
+ }
+}
+
+static int po_cmp(polling_obj *a, polling_obj *b) {
+ if (a == b) return 0;
+ if (a->type < b->type) return -1;
+ if (a->type > b->type) return 1;
+ if (a < b) return -1;
+ assert(a > b);
+ return 1;
+}
+
+static void po_join(grpc_exec_ctx *exec_ctx, polling_obj *a, polling_obj *b) {
+ switch (po_cmp(a, b)) {
+ case 0:
+ return;
+ case 1:
+ GPR_SWAP(polling_obj *, a, b);
+ /* fall through */
+ case -1:
+ gpr_mu_lock(&a->mu);
+ gpr_mu_lock(&b->mu);
+
+ if (a->group == NULL) {
+ if (b->group == NULL) {
+ polling_obj *initial_po[] = {a, b};
+ pg_create(exec_ctx, initial_po, GPR_ARRAY_SIZE(initial_po));
+ gpr_mu_unlock(&a->mu);
+ gpr_mu_unlock(&b->mu);
+ } else {
+ polling_group *b_group = pg_ref(b->group);
+ gpr_mu_unlock(&b->mu);
+ gpr_mu_unlock(&a->mu);
+ pg_join(exec_ctx, b_group, a);
+ }
+ } else if (b->group == NULL) {
+ polling_group *a_group = pg_ref(a->group);
+ gpr_mu_unlock(&a->mu);
+ gpr_mu_unlock(&b->mu);
+ pg_join(exec_ctx, a_group, b);
+ } else if (a->group == b->group) {
+ /* nothing to do */
+ gpr_mu_unlock(&a->mu);
+ gpr_mu_unlock(&b->mu);
+ } else {
+ polling_group *a_group = pg_ref(a->group);
+ polling_group *b_group = pg_ref(b->group);
+ gpr_mu_unlock(&a->mu);
+ gpr_mu_unlock(&b->mu);
+ pg_merge(exec_ctx, a_group, b_group);
+ }
+ }
+}
+
+static void pg_notify(grpc_exec_ctx *exec_ctx, polling_obj *a, polling_obj *b) {
+ if (a->type == PO_FD && b->type == PO_POLLSET) {
+ pollset_add_fd_locked(exec_ctx, (grpc_pollset *)b, (grpc_fd *)a, true);
+ } else if (a->type == PO_POLLSET && b->type == PO_FD) {
+ pollset_add_fd_locked(exec_ctx, (grpc_pollset *)a, (grpc_fd *)b, true);
+ }
+}
+
+static void pg_broadcast(grpc_exec_ctx *exec_ctx, polling_group *from,
+ polling_group *to) {
+ for (polling_obj *a = from->po.next; a != &from->po; a = a->next) {
+ for (polling_obj *b = to->po.next; b != &to->po; b = b->next) {
+ if (po_cmp(a, b) < 0) {
+ gpr_mu_lock(&a->mu);
+ gpr_mu_lock(&b->mu);
+ } else {
+ GPR_ASSERT(po_cmp(a, b) != 0);
+ gpr_mu_lock(&b->mu);
+ gpr_mu_lock(&a->mu);
+ }
+ pg_notify(exec_ctx, a, b);
+ gpr_mu_unlock(&a->mu);
+ gpr_mu_unlock(&b->mu);
+ }
+ }
+}
+
+static void pg_create(grpc_exec_ctx *exec_ctx, polling_obj **initial_po,
+ size_t initial_po_count) {
+ /* assumes all polling objects in initial_po are locked */
+ polling_group *pg = gpr_malloc(sizeof(*pg));
+ po_init(&pg->po, PO_POLLING_GROUP);
+ gpr_ref_init(&pg->refs, (int)initial_po_count);
+ for (size_t i = 0; i < initial_po_count; i++) {
+ GPR_ASSERT(initial_po[i]->group == NULL);
+ initial_po[i]->group = pg;
+ }
+ for (size_t i = 1; i < initial_po_count; i++) {
+ initial_po[i]->prev = initial_po[i - 1];
+ }
+ for (size_t i = 0; i < initial_po_count - 1; i++) {
+ initial_po[i]->next = initial_po[i + 1];
+ }
+ initial_po[0]->prev = &pg->po;
+ initial_po[initial_po_count - 1]->next = &pg->po;
+ pg->po.next = initial_po[0];
+ pg->po.prev = initial_po[initial_po_count - 1];
+ for (size_t i = 1; i < initial_po_count; i++) {
+ for (size_t j = 0; j < i; j++) {
+ pg_notify(exec_ctx, initial_po[i], initial_po[j]);
+ }
+ }
+}
+
+static void pg_join(grpc_exec_ctx *exec_ctx, polling_group *pg,
+ polling_obj *po) {
+ /* assumes neither pg nor po are locked; consumes one ref to pg */
+ pg = pg_lock_latest(pg);
+ /* pg locked */
+ for (polling_obj *existing = pg->po.next /* skip pg - it's just a stub */;
+ existing != &pg->po; existing = existing->next) {
+ if (po_cmp(po, existing) < 0) {
+ gpr_mu_lock(&po->mu);
+ gpr_mu_lock(&existing->mu);
+ } else {
+ GPR_ASSERT(po_cmp(po, existing) != 0);
+ gpr_mu_lock(&existing->mu);
+ gpr_mu_lock(&po->mu);
+ }
+ /* pg, po, existing locked */
+ if (po->group != NULL) {
+ gpr_mu_unlock(&pg->po.mu);
+ polling_group *po_group = pg_ref(po->group);
+ gpr_mu_unlock(&po->mu);
+ gpr_mu_unlock(&existing->mu);
+ pg_merge(exec_ctx, pg, po_group);
+ /* early exit: polling obj picked up a group during joining: we needed
+ to do a full merge */
+ return;
+ }
+ pg_notify(exec_ctx, po, existing);
+ gpr_mu_unlock(&po->mu);
+ gpr_mu_unlock(&existing->mu);
+ }
+ gpr_mu_lock(&po->mu);
+ if (po->group != NULL) {
+ gpr_mu_unlock(&pg->po.mu);
+ polling_group *po_group = pg_ref(po->group);
+ gpr_mu_unlock(&po->mu);
+ pg_merge(exec_ctx, pg, po_group);
+ /* early exit: polling obj picked up a group during joining: we needed
+ to do a full merge */
+ return;
+ }
+ po->group = pg;
+ po->next = &pg->po;
+ po->prev = pg->po.prev;
+ po->prev->next = po->next->prev = po;
+ gpr_mu_unlock(&pg->po.mu);
+ gpr_mu_unlock(&po->mu);
+}
+
+static void pg_merge(grpc_exec_ctx *exec_ctx, polling_group *a,
+ polling_group *b) {
+ for (;;) {
+ if (a == b) {
+ pg_unref(a);
+ pg_unref(b);
+ return;
+ }
+ if (a > b) GPR_SWAP(polling_group *, a, b);
+ gpr_mu_lock(&a->po.mu);
+ gpr_mu_lock(&b->po.mu);
+ if (a->po.group != NULL) {
+ polling_group *m2 = pg_ref(a->po.group);
+ gpr_mu_unlock(&a->po.mu);
+ gpr_mu_unlock(&b->po.mu);
+ pg_unref(a);
+ a = m2;
+ } else if (b->po.group != NULL) {
+ polling_group *m2 = pg_ref(b->po.group);
+ gpr_mu_unlock(&a->po.mu);
+ gpr_mu_unlock(&b->po.mu);
+ pg_unref(b);
+ b = m2;
+ } else {
+ break;
+ }
+ }
+ polling_group **unref = NULL;
+ size_t unref_count = 0;
+ size_t unref_cap = 0;
+ b->po.group = a;
+ pg_broadcast(exec_ctx, a, b);
+ pg_broadcast(exec_ctx, b, a);
+ while (b->po.next != &b->po) {
+ polling_obj *po = b->po.next;
+ gpr_mu_lock(&po->mu);
+ if (unref_count == unref_cap) {
+ unref_cap = GPR_MAX(8, 3 * unref_cap / 2);
+ unref = gpr_realloc(unref, unref_cap * sizeof(*unref));
+ }
+ unref[unref_count++] = po->group;
+ po->group = pg_ref(a);
+ // unlink from b
+ po->prev->next = po->next;
+ po->next->prev = po->prev;
+ // link to a
+ po->next = &a->po;
+ po->prev = a->po.prev;
+ po->next->prev = po->prev->next = po;
+ gpr_mu_unlock(&po->mu);
+ }
+ gpr_mu_unlock(&a->po.mu);
+ gpr_mu_unlock(&b->po.mu);
+ for (size_t i = 0; i < unref_count; i++) {
+ pg_unref(unref[i]);
+ }
+ gpr_free(unref);
+ pg_unref(b);
+}
+
+/*******************************************************************************
+ * Event engine binding
+ */
+
+static void shutdown_engine(void) {
+ fd_global_shutdown();
+ pollset_global_shutdown();
+}
+
+static const grpc_event_engine_vtable vtable = {
+ .pollset_size = sizeof(grpc_pollset),
+
+ .fd_create = fd_create,
+ .fd_wrapped_fd = fd_wrapped_fd,
+ .fd_orphan = fd_orphan,
+ .fd_shutdown = fd_shutdown,
+ .fd_is_shutdown = fd_is_shutdown,
+ .fd_notify_on_read = fd_notify_on_read,
+ .fd_notify_on_write = fd_notify_on_write,
+ .fd_get_read_notifier_pollset = fd_get_read_notifier_pollset,
+ .fd_get_workqueue = fd_get_workqueue,
+
+ .pollset_init = pollset_init,
+ .pollset_shutdown = pollset_shutdown,
+ .pollset_destroy = pollset_destroy,
+ .pollset_work = pollset_work,
+ .pollset_kick = pollset_kick,
+ .pollset_add_fd = pollset_add_fd,
+
+ .pollset_set_create = pollset_set_create,
+ .pollset_set_destroy = pollset_set_destroy,
+ .pollset_set_add_pollset = pollset_set_add_pollset,
+ .pollset_set_del_pollset = pollset_set_del_pollset,
+ .pollset_set_add_pollset_set = pollset_set_add_pollset_set,
+ .pollset_set_del_pollset_set = pollset_set_del_pollset_set,
+ .pollset_set_add_fd = pollset_set_add_fd,
+ .pollset_set_del_fd = pollset_set_del_fd,
+
+ .workqueue_ref = workqueue_ref,
+ .workqueue_unref = workqueue_unref,
+ .workqueue_scheduler = workqueue_scheduler,
+
+ .shutdown_engine = shutdown_engine,
+};
+
+const grpc_event_engine_vtable *grpc_init_epollex_linux(
+ bool explicitly_requested) {
+ if (!explicitly_requested) return NULL;
+
+ if (!grpc_has_wakeup_fd()) {
+ return NULL;
+ }
+
+ if (!grpc_is_epollexclusive_available()) {
+ return NULL;
+ }
+
+ fd_global_init();
+
+ if (!GRPC_LOG_IF_ERROR("pollset_global_init", pollset_global_init())) {
+ pollset_global_shutdown();
+ fd_global_shutdown();
+ return NULL;
+ }
+
+ return &vtable;
+}
+
+#else /* defined(GRPC_LINUX_EPOLL) */
+#if defined(GRPC_POSIX_SOCKET)
+#include "src/core/lib/iomgr/ev_posix.h"
+/* If GRPC_LINUX_EPOLL is not defined, it means epoll is not available. Return
+ * NULL */
+const grpc_event_engine_vtable *grpc_init_epollex_linux(
+ bool explicitly_requested) {
+ return NULL;
+}
+#endif /* defined(GRPC_POSIX_SOCKET) */
+
+#endif /* !defined(GRPC_LINUX_EPOLL) */
diff --git a/src/core/lib/iomgr/ev_epollex_linux.h b/src/core/lib/iomgr/ev_epollex_linux.h
new file mode 100644
index 0000000000000000000000000000000000000000..a078a7f19a82635beb57b7efc083e0ffa039fdd5
--- /dev/null
+++ b/src/core/lib/iomgr/ev_epollex_linux.h
@@ -0,0 +1,43 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_IOMGR_EV_EPOLLEX_LINUX_H
+#define GRPC_CORE_LIB_IOMGR_EV_EPOLLEX_LINUX_H
+
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/port.h"
+
+const grpc_event_engine_vtable *grpc_init_epollex_linux(
+ bool explicitly_requested);
+
+#endif /* GRPC_CORE_LIB_IOMGR_EV_EPOLLEX_LINUX_H */
diff --git a/src/core/lib/iomgr/ev_epoll_linux.c b/src/core/lib/iomgr/ev_epollsig_linux.c
similarity index 97%
rename from src/core/lib/iomgr/ev_epoll_linux.c
rename to src/core/lib/iomgr/ev_epollsig_linux.c
index e603a755937286e80ab1d8d14cd51be6c3a9287e..52362a62f47f047367c43dcc1b21a3efd3f52891 100644
--- a/src/core/lib/iomgr/ev_epoll_linux.c
+++ b/src/core/lib/iomgr/ev_epollsig_linux.c
@@ -36,7 +36,7 @@
/* This polling engine is only relevant on linux kernels supporting epoll() */
#ifdef GRPC_LINUX_EPOLL
-#include "src/core/lib/iomgr/ev_epoll_linux.h"
+#include "src/core/lib/iomgr/ev_epollsig_linux.h"
#include <assert.h>
#include <errno.h>
@@ -63,11 +63,11 @@
#include "src/core/lib/profiling/timers.h"
#include "src/core/lib/support/block_annotate.h"
-/* TODO: sreek - Move this to init.c and initialize this like other tracers. */
-static int grpc_polling_trace = 0; /* Disabled by default */
-#define GRPC_POLLING_TRACE(fmt, ...) \
- if (grpc_polling_trace) { \
- gpr_log(GPR_INFO, (fmt), __VA_ARGS__); \
+#define GRPC_POLLSET_KICK_BROADCAST ((grpc_pollset_worker *)1)
+
+#define GRPC_POLLING_TRACE(fmt, ...) \
+ if (GRPC_TRACER_ON(grpc_polling_trace)) { \
+ gpr_log(GPR_INFO, (fmt), __VA_ARGS__); \
}
/* Uncomment the following to enable extra checks on poll_object operations */
@@ -76,11 +76,6 @@ static int grpc_polling_trace = 0; /* Disabled by default */
static int grpc_wakeup_signal = -1;
static bool is_grpc_wakeup_signal_initialized = false;
-/* TODO: sreek: Right now, this wakes up all pollers. In future we should make
- * sure to wake up one polling thread (which can wake up other threads if
- * needed) */
-static grpc_wakeup_fd global_wakeup_fd;
-
/* Implements the function defined in grpc_posix.h. This function might be
* called before even calling grpc_init() to set either a different signal to
* use. If signum == -1, then the use of signals is disabled */
@@ -454,8 +449,8 @@ static void polling_island_add_wakeup_fd_locked(polling_island *pi,
gpr_asprintf(&err_msg,
"epoll_ctl (epoll_fd: %d) add wakeup fd: %d failed with "
"error: %d (%s)",
- pi->epoll_fd, GRPC_WAKEUP_FD_GET_READ_FD(&global_wakeup_fd),
- errno, strerror(errno));
+ pi->epoll_fd, GRPC_WAKEUP_FD_GET_READ_FD(wakeup_fd), errno,
+ strerror(errno));
append_error(error, GRPC_OS_ERROR(errno, err_msg), err_desc);
gpr_free(err_msg);
}
@@ -558,7 +553,6 @@ static polling_island *polling_island_create(grpc_exec_ctx *exec_ctx,
goto done;
}
- polling_island_add_wakeup_fd_locked(pi, &global_wakeup_fd, error);
polling_island_add_wakeup_fd_locked(pi, &pi->workqueue_wakeup_fd, error);
if (initial_fd != NULL) {
@@ -1116,11 +1110,10 @@ static grpc_error *pollset_global_init(void) {
gpr_tls_init(&g_current_thread_pollset);
gpr_tls_init(&g_current_thread_worker);
poller_kick_init();
- return grpc_wakeup_fd_init(&global_wakeup_fd);
+ return GRPC_ERROR_NONE;
}
static void pollset_global_shutdown(void) {
- grpc_wakeup_fd_destroy(&global_wakeup_fd);
gpr_tls_destroy(&g_current_thread_pollset);
gpr_tls_destroy(&g_current_thread_worker);
}
@@ -1226,10 +1219,6 @@ static grpc_error *pollset_kick(grpc_pollset *p,
return error;
}
-static grpc_error *kick_poller(void) {
- return grpc_wakeup_fd_wakeup(&global_wakeup_fd);
-}
-
static void pollset_init(grpc_pollset *pollset, gpr_mu **mu) {
gpr_mu_init(&pollset->po.mu);
*mu = &pollset->po.mu;
@@ -1332,7 +1321,7 @@ static void pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
/* pollset_shutdown is guaranteed to be called before pollset_destroy. So other
* than destroying the mutexes, there is nothing special that needs to be done
* here */
-static void pollset_destroy(grpc_pollset *pollset) {
+static void pollset_destroy(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
GPR_ASSERT(!pollset_has_workers(pollset));
gpr_mu_destroy(&pollset->po.mu);
}
@@ -1453,11 +1442,7 @@ static void pollset_work_and_unlock(grpc_exec_ctx *exec_ctx,
for (int i = 0; i < ep_rv; ++i) {
void *data_ptr = ep_ev[i].data.ptr;
- if (data_ptr == &global_wakeup_fd) {
- grpc_timer_consume_kick();
- append_error(error, grpc_wakeup_fd_consume_wakeup(&global_wakeup_fd),
- err_desc);
- } else if (data_ptr == &pi->workqueue_wakeup_fd) {
+ if (data_ptr == &pi->workqueue_wakeup_fd) {
append_error(error,
grpc_wakeup_fd_consume_wakeup(&pi->workqueue_wakeup_fd),
err_desc);
@@ -1897,8 +1882,6 @@ static const grpc_event_engine_vtable vtable = {
.pollset_set_add_fd = pollset_set_add_fd,
.pollset_set_del_fd = pollset_set_del_fd,
- .kick_poller = kick_poller,
-
.workqueue_ref = workqueue_ref,
.workqueue_unref = workqueue_unref,
.workqueue_scheduler = workqueue_scheduler,
@@ -1921,7 +1904,8 @@ static bool is_epoll_available() {
return true;
}
-const grpc_event_engine_vtable *grpc_init_epoll_linux(void) {
+const grpc_event_engine_vtable *grpc_init_epollsig_linux(
+ bool explicit_request) {
/* If use of signals is disabled, we cannot use epoll engine*/
if (is_grpc_wakeup_signal_initialized && grpc_wakeup_signal < 0) {
return NULL;
@@ -1936,7 +1920,13 @@ const grpc_event_engine_vtable *grpc_init_epoll_linux(void) {
}
if (!is_grpc_wakeup_signal_initialized) {
- grpc_use_signal(SIGRTMIN + 6);
+ /* TODO(ctiller): when other epoll engines are ready, remove the true || to
+ * force this to be explitly chosen if needed */
+ if (true || explicit_request) {
+ grpc_use_signal(SIGRTMIN + 6);
+ } else {
+ return NULL;
+ }
}
fd_global_init();
@@ -1958,7 +1948,10 @@ const grpc_event_engine_vtable *grpc_init_epoll_linux(void) {
#include "src/core/lib/iomgr/ev_posix.h"
/* If GRPC_LINUX_EPOLL is not defined, it means epoll is not available. Return
* NULL */
-const grpc_event_engine_vtable *grpc_init_epoll_linux(void) { return NULL; }
+const grpc_event_engine_vtable *grpc_init_epollsig_linux(
+ bool explicit_request) {
+ return NULL;
+}
#endif /* defined(GRPC_POSIX_SOCKET) */
void grpc_use_signal(int signum) {}
diff --git a/src/core/lib/iomgr/ev_epoll_linux.h b/src/core/lib/iomgr/ev_epollsig_linux.h
similarity index 89%
rename from src/core/lib/iomgr/ev_epoll_linux.h
rename to src/core/lib/iomgr/ev_epollsig_linux.h
index 8fc3ff59a3ed044ae6d7322907da780aa4313a3f..9e4034f2a7f9f2bba24454665b192f098d07bdf8 100644
--- a/src/core/lib/iomgr/ev_epoll_linux.h
+++ b/src/core/lib/iomgr/ev_epollsig_linux.h
@@ -31,13 +31,13 @@
*
*/
-#ifndef GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H
-#define GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H
+#ifndef GRPC_CORE_LIB_IOMGR_EV_EPOLLSIG_LINUX_H
+#define GRPC_CORE_LIB_IOMGR_EV_EPOLLSIG_LINUX_H
#include "src/core/lib/iomgr/ev_posix.h"
#include "src/core/lib/iomgr/port.h"
-const grpc_event_engine_vtable *grpc_init_epoll_linux(void);
+const grpc_event_engine_vtable *grpc_init_epollsig_linux(bool explicit_request);
#ifdef GRPC_LINUX_EPOLL
void *grpc_fd_get_polling_island(grpc_fd *fd);
@@ -45,4 +45,4 @@ void *grpc_pollset_get_polling_island(grpc_pollset *ps);
bool grpc_are_polling_islands_equal(void *p, void *q);
#endif /* defined(GRPC_LINUX_EPOLL) */
-#endif /* GRPC_CORE_LIB_IOMGR_EV_EPOLL_LINUX_H */
+#endif /* GRPC_CORE_LIB_IOMGR_EV_EPOLLSIG_LINUX_H */
diff --git a/src/core/lib/iomgr/ev_poll_posix.c b/src/core/lib/iomgr/ev_poll_posix.c
index 9834cdd197963df9a92f1176297842f0bc700957..3a7648ac3296e8d92940fb373b212a801e586535 100644
--- a/src/core/lib/iomgr/ev_poll_posix.c
+++ b/src/core/lib/iomgr/ev_poll_posix.c
@@ -58,6 +58,8 @@
#include "src/core/lib/profiling/timers.h"
#include "src/core/lib/support/block_annotate.h"
+#define GRPC_POLLSET_KICK_BROADCAST ((grpc_pollset_worker *)1)
+
/*******************************************************************************
* FD declarations
*/
@@ -122,8 +124,6 @@ struct grpc_fd {
grpc_pollset *read_notifier_pollset;
};
-static grpc_wakeup_fd global_wakeup_fd;
-
/* Begin polling on an fd.
Registers that the given pollset is interested in this fd - so that if read
or writability interest changes, the pollset can be kicked to pick up that
@@ -784,19 +784,14 @@ static grpc_error *pollset_kick(grpc_pollset *p,
static grpc_error *pollset_global_init(void) {
gpr_tls_init(&g_current_thread_poller);
gpr_tls_init(&g_current_thread_worker);
- return grpc_wakeup_fd_init(&global_wakeup_fd);
+ return GRPC_ERROR_NONE;
}
static void pollset_global_shutdown(void) {
- grpc_wakeup_fd_destroy(&global_wakeup_fd);
gpr_tls_destroy(&g_current_thread_poller);
gpr_tls_destroy(&g_current_thread_worker);
}
-static grpc_error *kick_poller(void) {
- return grpc_wakeup_fd_wakeup(&global_wakeup_fd);
-}
-
/* main interface */
static void pollset_init(grpc_pollset *pollset, gpr_mu **mu) {
@@ -815,7 +810,7 @@ static void pollset_init(grpc_pollset *pollset, gpr_mu **mu) {
pollset->pollset_set_count = 0;
}
-static void pollset_destroy(grpc_pollset *pollset) {
+static void pollset_destroy(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
GPR_ASSERT(!pollset_has_workers(pollset));
GPR_ASSERT(pollset->idle_jobs.head == pollset->idle_jobs.tail);
while (pollset->local_wakeup_cache) {
@@ -952,13 +947,10 @@ static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
}
fd_count = 0;
- pfd_count = 2;
- pfds[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&global_wakeup_fd);
+ pfd_count = 1;
+ pfds[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker.wakeup_fd->fd);
pfds[0].events = POLLIN;
pfds[0].revents = 0;
- pfds[1].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker.wakeup_fd->fd);
- pfds[1].events = POLLIN;
- pfds[1].revents = 0;
for (i = 0; i < pollset->fd_count; i++) {
if (fd_is_orphaned(pollset->fds[i])) {
GRPC_FD_UNREF(pollset->fds[i], "multipoller");
@@ -974,7 +966,7 @@ static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
pollset->fd_count = fd_count;
gpr_mu_unlock(&pollset->mu);
- for (i = 2; i < pfd_count; i++) {
+ for (i = 1; i < pfd_count; i++) {
grpc_fd *fd = watchers[i].fd;
pfds[i].events = (short)fd_begin_poll(fd, pollset, &worker, POLLIN,
POLLOUT, &watchers[i]);
@@ -992,7 +984,7 @@ static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
work_combine_error(&error, GRPC_OS_ERROR(errno, "poll"));
}
- for (i = 2; i < pfd_count; i++) {
+ for (i = 1; i < pfd_count; i++) {
if (watchers[i].fd == NULL) {
fd_end_poll(exec_ctx, &watchers[i], 0, 0, NULL);
} else {
@@ -1002,20 +994,15 @@ static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
}
}
} else if (r == 0) {
- for (i = 2; i < pfd_count; i++) {
+ for (i = 1; i < pfd_count; i++) {
fd_end_poll(exec_ctx, &watchers[i], 0, 0, NULL);
}
} else {
if (pfds[0].revents & POLLIN_CHECK) {
- grpc_timer_consume_kick();
- work_combine_error(&error,
- grpc_wakeup_fd_consume_wakeup(&global_wakeup_fd));
- }
- if (pfds[1].revents & POLLIN_CHECK) {
work_combine_error(
&error, grpc_wakeup_fd_consume_wakeup(&worker.wakeup_fd->fd));
}
- for (i = 2; i < pfd_count; i++) {
+ for (i = 1; i < pfd_count; i++) {
if (watchers[i].fd == NULL) {
fd_end_poll(exec_ctx, &watchers[i], 0, 0, NULL);
} else {
@@ -1560,8 +1547,6 @@ static const grpc_event_engine_vtable vtable = {
.pollset_set_add_fd = pollset_set_add_fd,
.pollset_set_del_fd = pollset_set_del_fd,
- .kick_poller = kick_poller,
-
.workqueue_ref = workqueue_ref,
.workqueue_unref = workqueue_unref,
.workqueue_scheduler = workqueue_scheduler,
@@ -1569,7 +1554,7 @@ static const grpc_event_engine_vtable vtable = {
.shutdown_engine = shutdown_engine,
};
-const grpc_event_engine_vtable *grpc_init_poll_posix(void) {
+const grpc_event_engine_vtable *grpc_init_poll_posix(bool explicit_request) {
if (!grpc_has_wakeup_fd()) {
return NULL;
}
@@ -1579,7 +1564,7 @@ const grpc_event_engine_vtable *grpc_init_poll_posix(void) {
return &vtable;
}
-const grpc_event_engine_vtable *grpc_init_poll_cv_posix(void) {
+const grpc_event_engine_vtable *grpc_init_poll_cv_posix(bool explicit_request) {
global_cv_fd_table_init();
grpc_enable_cv_wakeup_fds(1);
if (!GRPC_LOG_IF_ERROR("pollset_global_init", pollset_global_init())) {
diff --git a/src/core/lib/iomgr/ev_poll_posix.h b/src/core/lib/iomgr/ev_poll_posix.h
index 202ffca14ca750293e6df9b4a2cdeca5a9332be1..2890e93eadea6f43468d4ab6cb6caee738bb9602 100644
--- a/src/core/lib/iomgr/ev_poll_posix.h
+++ b/src/core/lib/iomgr/ev_poll_posix.h
@@ -36,7 +36,7 @@
#include "src/core/lib/iomgr/ev_posix.h"
-const grpc_event_engine_vtable *grpc_init_poll_posix(void);
-const grpc_event_engine_vtable *grpc_init_poll_cv_posix(void);
+const grpc_event_engine_vtable *grpc_init_poll_posix(bool explicit_request);
+const grpc_event_engine_vtable *grpc_init_poll_cv_posix(bool explicit_request);
#endif /* GRPC_CORE_LIB_IOMGR_EV_POLL_POSIX_H */
diff --git a/src/core/lib/iomgr/ev_posix.c b/src/core/lib/iomgr/ev_posix.c
index 13409a4de83edd1d6efcd28c7d9bf6db6e09cc10..c4d2f23e291115cca2b0ba75ef66be66f83f9bf3 100644
--- a/src/core/lib/iomgr/ev_posix.c
+++ b/src/core/lib/iomgr/ev_posix.c
@@ -44,10 +44,18 @@
#include <grpc/support/string_util.h>
#include <grpc/support/useful.h>
-#include "src/core/lib/iomgr/ev_epoll_linux.h"
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/iomgr/ev_epoll1_linux.h"
+#include "src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h"
+#include "src/core/lib/iomgr/ev_epoll_thread_pool_linux.h"
+#include "src/core/lib/iomgr/ev_epollex_linux.h"
+#include "src/core/lib/iomgr/ev_epollsig_linux.h"
#include "src/core/lib/iomgr/ev_poll_posix.h"
#include "src/core/lib/support/env.h"
+grpc_tracer_flag grpc_polling_trace =
+ GRPC_TRACER_INITIALIZER(false); /* Disabled by default */
+
/** Default poll() function - a pointer so that it can be overridden by some
* tests */
grpc_poll_function_type grpc_poll_function = poll;
@@ -57,7 +65,8 @@ grpc_wakeup_fd grpc_global_wakeup_fd;
static const grpc_event_engine_vtable *g_event_engine;
static const char *g_poll_strategy_name = NULL;
-typedef const grpc_event_engine_vtable *(*event_engine_factory_fn)(void);
+typedef const grpc_event_engine_vtable *(*event_engine_factory_fn)(
+ bool explicit_request);
typedef struct {
const char *name;
@@ -65,7 +74,11 @@ typedef struct {
} event_engine_factory;
static const event_engine_factory g_factories[] = {
- {"epoll", grpc_init_epoll_linux},
+ {"epollex", grpc_init_epollex_linux},
+ {"epollsig", grpc_init_epollsig_linux},
+ {"epoll1", grpc_init_epoll1_linux},
+ {"epoll-threadpool", grpc_init_epoll_thread_pool_linux},
+ {"epoll-limited", grpc_init_epoll_limited_pollers_linux},
{"poll", grpc_init_poll_posix},
{"poll-cv", grpc_init_poll_cv_posix},
};
@@ -102,7 +115,8 @@ static bool is(const char *want, const char *have) {
static void try_engine(const char *engine) {
for (size_t i = 0; i < GPR_ARRAY_SIZE(g_factories); i++) {
if (is(engine, g_factories[i].name)) {
- if ((g_event_engine = g_factories[i].factory())) {
+ if ((g_event_engine = g_factories[i].factory(
+ 0 == strcmp(engine, g_factories[i].name)))) {
g_poll_strategy_name = g_factories[i].name;
gpr_log(GPR_DEBUG, "Using polling engine: %s", g_factories[i].name);
return;
@@ -121,6 +135,8 @@ void grpc_set_event_engine_test_only(
const char *grpc_get_poll_strategy_name() { return g_poll_strategy_name; }
void grpc_event_engine_init(void) {
+ grpc_register_tracer("polling", &grpc_polling_trace);
+
char *s = gpr_getenv("GRPC_POLL_STRATEGY");
if (s == NULL) {
s = gpr_strdup("all");
@@ -197,8 +213,8 @@ void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
g_event_engine->pollset_shutdown(exec_ctx, pollset, closure);
}
-void grpc_pollset_destroy(grpc_pollset *pollset) {
- g_event_engine->pollset_destroy(pollset);
+void grpc_pollset_destroy(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
+ g_event_engine->pollset_destroy(exec_ctx, pollset);
}
grpc_error *grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
@@ -260,8 +276,6 @@ void grpc_pollset_set_del_fd(grpc_exec_ctx *exec_ctx,
g_event_engine->pollset_set_del_fd(exec_ctx, pollset_set, fd);
}
-grpc_error *grpc_kick_poller(void) { return g_event_engine->kick_poller(); }
-
#ifdef GRPC_WORKQUEUE_REFCOUNT_DEBUG
grpc_workqueue *grpc_workqueue_ref(grpc_workqueue *workqueue, const char *file,
int line, const char *reason) {
diff --git a/src/core/lib/iomgr/ev_posix.h b/src/core/lib/iomgr/ev_posix.h
index becc4d359e52ad67479ac83791b7170e1d069eef..80619aab5fcaea9074424d17bfd16abf5cf3a960 100644
--- a/src/core/lib/iomgr/ev_posix.h
+++ b/src/core/lib/iomgr/ev_posix.h
@@ -36,12 +36,15 @@
#include <poll.h>
+#include "src/core/lib/debug/trace.h"
#include "src/core/lib/iomgr/exec_ctx.h"
#include "src/core/lib/iomgr/pollset.h"
#include "src/core/lib/iomgr/pollset_set.h"
#include "src/core/lib/iomgr/wakeup_fd_posix.h"
#include "src/core/lib/iomgr/workqueue.h"
+extern grpc_tracer_flag grpc_polling_trace; /* Disabled by default */
+
typedef struct grpc_fd grpc_fd;
typedef struct grpc_event_engine_vtable {
@@ -64,7 +67,7 @@ typedef struct grpc_event_engine_vtable {
void (*pollset_init)(grpc_pollset *pollset, gpr_mu **mu);
void (*pollset_shutdown)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
grpc_closure *closure);
- void (*pollset_destroy)(grpc_pollset *pollset);
+ void (*pollset_destroy)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset);
grpc_error *(*pollset_work)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
grpc_pollset_worker **worker, gpr_timespec now,
gpr_timespec deadline);
@@ -93,8 +96,6 @@ typedef struct grpc_event_engine_vtable {
void (*pollset_set_del_fd)(grpc_exec_ctx *exec_ctx,
grpc_pollset_set *pollset_set, grpc_fd *fd);
- grpc_error *(*kick_poller)(void);
-
void (*shutdown_engine)(void);
#ifdef GRPC_WORKQUEUE_REFCOUNT_DEBUG
diff --git a/src/core/lib/iomgr/exec_ctx.c b/src/core/lib/iomgr/exec_ctx.c
index 2532a708e7b0ba9aa0f6caec3ddf90c18c3d3d12..318bb2b7133837fdd0fc19857e3fd1926ebd2f00 100644
--- a/src/core/lib/iomgr/exec_ctx.c
+++ b/src/core/lib/iomgr/exec_ctx.c
@@ -62,6 +62,11 @@ bool grpc_always_ready_to_finish(grpc_exec_ctx *exec_ctx, void *arg_ignored) {
return true;
}
+bool grpc_exec_ctx_has_work(grpc_exec_ctx *exec_ctx) {
+ return exec_ctx->active_combiner != NULL ||
+ !grpc_closure_list_empty(exec_ctx->closure_list);
+}
+
bool grpc_exec_ctx_flush(grpc_exec_ctx *exec_ctx) {
bool did_something = 0;
GPR_TIMER_BEGIN("grpc_exec_ctx_flush", 0);
diff --git a/src/core/lib/iomgr/exec_ctx.h b/src/core/lib/iomgr/exec_ctx.h
index f99a0fee5fc1f03bdfcb42aab6bf5112cb3ea267..759a3ae2d56faff71840b2d33f7c8f83b769451d 100644
--- a/src/core/lib/iomgr/exec_ctx.h
+++ b/src/core/lib/iomgr/exec_ctx.h
@@ -93,6 +93,8 @@ struct grpc_exec_ctx {
extern grpc_closure_scheduler *grpc_schedule_on_exec_ctx;
+bool grpc_exec_ctx_has_work(grpc_exec_ctx *exec_ctx);
+
/** Flush any work that has been enqueued onto this grpc_exec_ctx.
* Caller must guarantee that no interfering locks are held.
* Returns true if work was performed, false otherwise. */
diff --git a/src/core/lib/iomgr/iomgr.c b/src/core/lib/iomgr/iomgr.c
index 001e528409978d562588e1cc2a2cba32294c5639..1fd41c2f880fb42d50995cda19fb7b041ec70343 100644
--- a/src/core/lib/iomgr/iomgr.c
+++ b/src/core/lib/iomgr/iomgr.c
@@ -47,6 +47,7 @@
#include "src/core/lib/iomgr/iomgr_internal.h"
#include "src/core/lib/iomgr/network_status_tracker.h"
#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/iomgr/timer_manager.h"
#include "src/core/lib/support/env.h"
#include "src/core/lib/support/string.h"
@@ -67,6 +68,8 @@ void grpc_iomgr_init(void) {
grpc_iomgr_platform_init();
}
+void grpc_iomgr_start(void) { grpc_timer_manager_init(); }
+
static size_t count_objects(void) {
grpc_iomgr_object *obj;
size_t n = 0;
@@ -88,6 +91,7 @@ void grpc_iomgr_shutdown(grpc_exec_ctx *exec_ctx) {
gpr_now(GPR_CLOCK_REALTIME), gpr_time_from_seconds(10, GPR_TIMESPAN));
gpr_timespec last_warning_time = gpr_now(GPR_CLOCK_REALTIME);
+ grpc_timer_manager_shutdown();
grpc_iomgr_platform_flush();
gpr_mu_lock(&g_mu);
diff --git a/src/core/lib/iomgr/iomgr.h b/src/core/lib/iomgr/iomgr.h
index 245a1e08aa2e3e705feadc0fbf25a2e2e11de71b..6e2e0236154ecab9c472b2d23115fb7a6a73af4c 100644
--- a/src/core/lib/iomgr/iomgr.h
+++ b/src/core/lib/iomgr/iomgr.h
@@ -40,6 +40,9 @@
/** Initializes the iomgr. */
void grpc_iomgr_init(void);
+/** Starts any background threads for iomgr. */
+void grpc_iomgr_start(void);
+
/** Signals the intention to shutdown the iomgr. Expects to be able to flush
* exec_ctx. */
void grpc_iomgr_shutdown(grpc_exec_ctx *exec_ctx);
diff --git a/src/core/lib/iomgr/is_epollexclusive_available.c b/src/core/lib/iomgr/is_epollexclusive_available.c
new file mode 100644
index 0000000000000000000000000000000000000000..34fcf313e5e8f69f985df77a6c47e86fe3f200f3
--- /dev/null
+++ b/src/core/lib/iomgr/is_epollexclusive_available.c
@@ -0,0 +1,116 @@
+/*
+ *
+ * Copyright 2017, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/iomgr/port.h"
+
+#include "src/core/lib/iomgr/is_epollexclusive_available.h"
+
+#ifdef GRPC_LINUX_EPOLL
+
+#include <grpc/support/log.h>
+
+#include <errno.h>
+#include <sys/eventfd.h>
+#include <unistd.h>
+
+#include "src/core/lib/iomgr/sys_epoll_wrapper.h"
+
+/* This polling engine is only relevant on linux kernels supporting epoll() */
+bool grpc_is_epollexclusive_available(void) {
+ static bool logged_why_not = false;
+
+ int fd = epoll_create1(EPOLL_CLOEXEC);
+ if (fd < 0) {
+ if (!logged_why_not) {
+ gpr_log(GPR_ERROR,
+ "epoll_create1 failed with error: %d. Not using epollex polling "
+ "engine.",
+ fd);
+ logged_why_not = true;
+ }
+ return false;
+ }
+ int evfd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
+ if (evfd < 0) {
+ if (!logged_why_not) {
+ gpr_log(GPR_ERROR,
+ "eventfd failed with error: %d. Not using epollex polling "
+ "engine.",
+ fd);
+ logged_why_not = true;
+ }
+ close(fd);
+ return false;
+ }
+ struct epoll_event ev = {
+ /* choose events that should cause an error on
+ EPOLLEXCLUSIVE enabled kernels - specifically the combination of
+ EPOLLONESHOT and EPOLLEXCLUSIVE */
+ .events = (uint32_t)(EPOLLET | EPOLLIN | EPOLLEXCLUSIVE | EPOLLONESHOT),
+ .data.ptr = NULL};
+ if (epoll_ctl(fd, EPOLL_CTL_ADD, evfd, &ev) != 0) {
+ if (errno != EINVAL) {
+ if (!logged_why_not) {
+ gpr_log(
+ GPR_ERROR,
+ "epoll_ctl with EPOLLEXCLUSIVE | EPOLLONESHOT failed with error: "
+ "%d. Not using epollex polling engine.",
+ errno);
+ logged_why_not = true;
+ }
+ close(fd);
+ close(evfd);
+ return false;
+ }
+ } else {
+ if (!logged_why_not) {
+ gpr_log(GPR_ERROR,
+ "epoll_ctl with EPOLLEXCLUSIVE | EPOLLONESHOT succeeded. This is "
+ "evidence of no EPOLLEXCLUSIVE support. Not using "
+ "epollex polling engine.");
+ logged_why_not = true;
+ }
+ close(fd);
+ close(evfd);
+ return false;
+ }
+ close(evfd);
+ close(fd);
+ return true;
+}
+
+#else
+
+bool grpc_is_epollexclusive_available(void) { return false; }
+
+#endif
diff --git a/test/build/c++11.cc b/src/core/lib/iomgr/is_epollexclusive_available.h
similarity index 85%
rename from test/build/c++11.cc
rename to src/core/lib/iomgr/is_epollexclusive_available.h
index 4822a20e7f24e6e0265537776c436f652bc880f0..b65b819e740286f1ee12c74d44c6d1a0f01889fd 100644
--- a/test/build/c++11.cc
+++ b/src/core/lib/iomgr/is_epollexclusive_available.h
@@ -31,22 +31,11 @@
*
*/
-/* This is just a compilation test, to see if we have C++11. */
+#ifndef GRPC_CORE_LIB_IOMGR_IS_EPOLLEXCLUSIVE_AVAILABLE_H
+#define GRPC_CORE_LIB_IOMGR_IS_EPOLLEXCLUSIVE_AVAILABLE_H
-#include <stdlib.h>
-#include <zlib.h>
+#include <stdbool.h>
-class Base {
- public:
- virtual void foo() = 0;
-};
+bool grpc_is_epollexclusive_available(void);
-class Foo final : public Base {
- public:
- void foo() override {}
-};
-
-int main() {
- Foo().foo();
- return 0;
-}
+#endif /* GRPC_CORE_LIB_IOMGR_IS_EPOLLEXCLUSIVE_AVAILABLE_H */
diff --git a/src/core/lib/iomgr/lockfree_event.c b/src/core/lib/iomgr/lockfree_event.c
index 17e3bbf7278ee6065d27674efb858dd040e5b065..898ec1cb1bf8d75b1f0650c9aa1c3c4c5620883f 100644
--- a/src/core/lib/iomgr/lockfree_event.c
+++ b/src/core/lib/iomgr/lockfree_event.c
@@ -35,6 +35,10 @@
#include <grpc/support/log.h>
+#include "src/core/lib/debug/trace.h"
+
+extern grpc_tracer_flag grpc_polling_trace;
+
/* 'state' holds the to call when the fd is readable or writable respectively.
It can contain one of the following values:
CLOSURE_READY : The fd has an I/O event of interest but there is no
@@ -93,6 +97,10 @@ void grpc_lfev_notify_on(grpc_exec_ctx *exec_ctx, gpr_atm *state,
grpc_closure *closure) {
while (true) {
gpr_atm curr = gpr_atm_no_barrier_load(state);
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "lfev_notify_on: %p curr=%p closure=%p", state,
+ (void *)curr, closure);
+ }
switch (curr) {
case CLOSURE_NOT_READY: {
/* CLOSURE_NOT_READY -> <closure>.
@@ -155,6 +163,10 @@ bool grpc_lfev_set_shutdown(grpc_exec_ctx *exec_ctx, gpr_atm *state,
while (true) {
gpr_atm curr = gpr_atm_no_barrier_load(state);
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "lfev_set_shutdown: %p curr=%p err=%s", state,
+ (void *)curr, grpc_error_string(shutdown_err));
+ }
switch (curr) {
case CLOSURE_READY:
case CLOSURE_NOT_READY:
@@ -200,6 +212,10 @@ void grpc_lfev_set_ready(grpc_exec_ctx *exec_ctx, gpr_atm *state) {
while (true) {
gpr_atm curr = gpr_atm_no_barrier_load(state);
+ if (GRPC_TRACER_ON(grpc_polling_trace)) {
+ gpr_log(GPR_DEBUG, "lfev_set_ready: %p curr=%p", state, (void *)curr);
+ }
+
switch (curr) {
case CLOSURE_READY: {
/* Already ready. We are done here */
diff --git a/src/core/lib/iomgr/pollset.h b/src/core/lib/iomgr/pollset.h
index 9bf3cdac89e2a4152964a904886f5aabdebdb514..69e20098d7095435ed43bb8e3ac6005b19acdc11 100644
--- a/src/core/lib/iomgr/pollset.h
+++ b/src/core/lib/iomgr/pollset.h
@@ -40,8 +40,6 @@
#include "src/core/lib/iomgr/exec_ctx.h"
-#define GRPC_POLLSET_KICK_BROADCAST ((grpc_pollset_worker *)1)
-
/* A grpc_pollset is a set of file descriptors that a higher level item is
interested in. For example:
- a server will typically keep a pollset containing all connected channels,
@@ -59,7 +57,7 @@ void grpc_pollset_init(grpc_pollset *pollset, gpr_mu **mu);
* pollset's mutex must be held */
void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
grpc_closure *closure);
-void grpc_pollset_destroy(grpc_pollset *pollset);
+void grpc_pollset_destroy(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset);
/* Do some work on a pollset.
May involve invoking asynchronous callbacks, or actually polling file
@@ -88,8 +86,7 @@ grpc_error *grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
gpr_timespec deadline) GRPC_MUST_USE_RESULT;
/* Break one polling thread out of polling work for this pollset.
- If specific_worker is GRPC_POLLSET_KICK_BROADCAST, kick ALL the workers.
- Otherwise, if specific_worker is non-NULL, then kick that worker. */
+ If specific_worker is non-NULL, then kick that worker. */
grpc_error *grpc_pollset_kick(grpc_pollset *pollset,
grpc_pollset_worker *specific_worker)
GRPC_MUST_USE_RESULT;
diff --git a/src/core/lib/iomgr/pollset_uv.c b/src/core/lib/iomgr/pollset_uv.c
index a2f81bcd78d6354c754088972c095187f9f2bce6..5923da98e278f066783d5d0431199b166096af21 100644
--- a/src/core/lib/iomgr/pollset_uv.c
+++ b/src/core/lib/iomgr/pollset_uv.c
@@ -106,7 +106,7 @@ void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
grpc_closure_sched(exec_ctx, closure, GRPC_ERROR_NONE);
}
-void grpc_pollset_destroy(grpc_pollset *pollset) {
+void grpc_pollset_destroy(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {
uv_close((uv_handle_t *)&pollset->timer, timer_close_cb);
// timer.data is a boolean indicating that the timer has finished closing
pollset->timer.data = (void *)0;
diff --git a/src/core/lib/iomgr/pollset_windows.c b/src/core/lib/iomgr/pollset_windows.c
index 04c6b7174759d10821a4ed510c185a8b80259a84..b5f454cfa9b63e8c1d5a1d12275aa128f936c51e 100644
--- a/src/core/lib/iomgr/pollset_windows.c
+++ b/src/core/lib/iomgr/pollset_windows.c
@@ -43,6 +43,8 @@
#include "src/core/lib/iomgr/pollset.h"
#include "src/core/lib/iomgr/pollset_windows.h"
+#define GRPC_POLLSET_KICK_BROADCAST ((grpc_pollset_worker *)1)
+
gpr_mu grpc_polling_mu;
static grpc_pollset_worker *g_active_poller;
static grpc_pollset_worker g_global_root_worker;
@@ -114,7 +116,7 @@ void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
}
}
-void grpc_pollset_destroy(grpc_pollset *pollset) {}
+void grpc_pollset_destroy(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) {}
grpc_error *grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
grpc_pollset_worker **worker_hdl,
@@ -227,6 +229,4 @@ grpc_error *grpc_pollset_kick(grpc_pollset *p,
return GRPC_ERROR_NONE;
}
-void grpc_kick_poller(void) { grpc_iocp_kick(); }
-
#endif /* GRPC_WINSOCK_SOCKET */
diff --git a/src/core/lib/iomgr/resource_quota.c b/src/core/lib/iomgr/resource_quota.c
index c3ee8786517218549abc4a0b907a30a1c8ac6912..6b2b85cce0025cc4a8321fe473d700c31706dcf2 100644
--- a/src/core/lib/iomgr/resource_quota.c
+++ b/src/core/lib/iomgr/resource_quota.c
@@ -44,7 +44,7 @@
#include "src/core/lib/iomgr/combiner.h"
-int grpc_resource_quota_trace = 0;
+grpc_tracer_flag grpc_resource_quota_trace = GRPC_TRACER_INITIALIZER(false);
#define MEMORY_USAGE_ESTIMATION_MAX 65536
@@ -307,13 +307,14 @@ static bool rq_alloc(grpc_exec_ctx *exec_ctx,
resource_user->free_pool = 0;
resource_quota->free_pool -= amt;
rq_update_estimate(resource_quota);
- if (grpc_resource_quota_trace) {
+ if (GRPC_TRACER_ON(grpc_resource_quota_trace)) {
gpr_log(GPR_DEBUG, "RQ %s %s: grant alloc %" PRId64
" bytes; rq_free_pool -> %" PRId64,
resource_quota->name, resource_user->name, amt,
resource_quota->free_pool);
}
- } else if (grpc_resource_quota_trace && resource_user->free_pool >= 0) {
+ } else if (GRPC_TRACER_ON(grpc_resource_quota_trace) &&
+ resource_user->free_pool >= 0) {
gpr_log(GPR_DEBUG, "RQ %s %s: discard already satisfied alloc request",
resource_quota->name, resource_user->name);
}
@@ -342,7 +343,7 @@ static bool rq_reclaim_from_per_user_free_pool(
resource_user->free_pool = 0;
resource_quota->free_pool += amt;
rq_update_estimate(resource_quota);
- if (grpc_resource_quota_trace) {
+ if (GRPC_TRACER_ON(grpc_resource_quota_trace)) {
gpr_log(GPR_DEBUG, "RQ %s %s: reclaim_from_per_user_free_pool %" PRId64
" bytes; rq_free_pool -> %" PRId64,
resource_quota->name, resource_user->name, amt,
@@ -365,7 +366,7 @@ static bool rq_reclaim(grpc_exec_ctx *exec_ctx,
: GRPC_RULIST_RECLAIMER_BENIGN;
grpc_resource_user *resource_user = rulist_pop_head(resource_quota, list);
if (resource_user == NULL) return false;
- if (grpc_resource_quota_trace) {
+ if (GRPC_TRACER_ON(grpc_resource_quota_trace)) {
gpr_log(GPR_DEBUG, "RQ %s %s: initiate %s reclamation",
resource_quota->name, resource_user->name,
destructive ? "destructive" : "benign");
@@ -786,7 +787,7 @@ void grpc_resource_user_alloc(grpc_exec_ctx *exec_ctx,
gpr_mu_lock(&resource_user->mu);
ru_ref_by(resource_user, (gpr_atm)size);
resource_user->free_pool -= (int64_t)size;
- if (grpc_resource_quota_trace) {
+ if (GRPC_TRACER_ON(grpc_resource_quota_trace)) {
gpr_log(GPR_DEBUG, "RQ %s %s: alloc %" PRIdPTR "; free_pool -> %" PRId64,
resource_user->resource_quota->name, resource_user->name, size,
resource_user->free_pool);
@@ -810,7 +811,7 @@ void grpc_resource_user_free(grpc_exec_ctx *exec_ctx,
gpr_mu_lock(&resource_user->mu);
bool was_zero_or_negative = resource_user->free_pool <= 0;
resource_user->free_pool += (int64_t)size;
- if (grpc_resource_quota_trace) {
+ if (GRPC_TRACER_ON(grpc_resource_quota_trace)) {
gpr_log(GPR_DEBUG, "RQ %s %s: free %" PRIdPTR "; free_pool -> %" PRId64,
resource_user->resource_quota->name, resource_user->name, size,
resource_user->free_pool);
@@ -839,7 +840,7 @@ void grpc_resource_user_post_reclaimer(grpc_exec_ctx *exec_ctx,
void grpc_resource_user_finish_reclamation(grpc_exec_ctx *exec_ctx,
grpc_resource_user *resource_user) {
- if (grpc_resource_quota_trace) {
+ if (GRPC_TRACER_ON(grpc_resource_quota_trace)) {
gpr_log(GPR_DEBUG, "RQ %s %s: reclamation complete",
resource_user->resource_quota->name, resource_user->name);
}
diff --git a/src/core/lib/iomgr/resource_quota.h b/src/core/lib/iomgr/resource_quota.h
index 6f99be0d512e48cdcbdbe5244bba221f79db30cd..51122dad01130f9b1c2d97f566141cfef03ed649 100644
--- a/src/core/lib/iomgr/resource_quota.h
+++ b/src/core/lib/iomgr/resource_quota.h
@@ -36,6 +36,7 @@
#include <grpc/grpc.h>
+#include "src/core/lib/debug/trace.h"
#include "src/core/lib/iomgr/exec_ctx.h"
/** \file Tracks resource usage against a pool.
@@ -75,7 +76,7 @@
maintain lists of users (which users arrange to leave before they are
destroyed) */
-extern int grpc_resource_quota_trace;
+extern grpc_tracer_flag grpc_resource_quota_trace;
grpc_resource_quota *grpc_resource_quota_ref_internal(
grpc_resource_quota *resource_quota);
diff --git a/src/core/lib/iomgr/sys_epoll_wrapper.h b/src/core/lib/iomgr/sys_epoll_wrapper.h
new file mode 100644
index 0000000000000000000000000000000000000000..2f08423193d5814318ea9027aac755e3c436c573
--- /dev/null
+++ b/src/core/lib/iomgr/sys_epoll_wrapper.h
@@ -0,0 +1,43 @@
+/*
+ *
+ * Copyright 2017, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_IOMGR_SYS_EPOLL_WRAPPER_H
+#define GRPC_CORE_LIB_IOMGR_SYS_EPOLL_WRAPPER_H
+
+#include <sys/epoll.h>
+
+#ifndef EPOLLEXCLUSIVE
+#define EPOLLEXCLUSIVE (1 << 28)
+#endif
+
+#endif /* GRPC_CORE_LIB_IOMGR_SYS_EPOLL_WRAPPER_H */
diff --git a/src/core/lib/iomgr/tcp_client_posix.c b/src/core/lib/iomgr/tcp_client_posix.c
index a2692707d9ea5a887244174d4db0fdb4fc971b25..5c7da999e0e6d008bca111c1168382b701079260 100644
--- a/src/core/lib/iomgr/tcp_client_posix.c
+++ b/src/core/lib/iomgr/tcp_client_posix.c
@@ -58,7 +58,7 @@
#include "src/core/lib/iomgr/unix_sockets_posix.h"
#include "src/core/lib/support/string.h"
-extern int grpc_tcp_trace;
+extern grpc_tracer_flag grpc_tcp_trace;
typedef struct {
gpr_mu mu;
@@ -114,7 +114,7 @@ done:
static void tc_on_alarm(grpc_exec_ctx *exec_ctx, void *acp, grpc_error *error) {
int done;
async_connect *ac = acp;
- if (grpc_tcp_trace) {
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
const char *str = grpc_error_string(error);
gpr_log(GPR_DEBUG, "CLIENT_CONNECT: %s: on_alarm: error=%s", ac->addr_str,
str);
@@ -152,7 +152,7 @@ static void on_writable(grpc_exec_ctx *exec_ctx, void *acp, grpc_error *error) {
GRPC_ERROR_REF(error);
- if (grpc_tcp_trace) {
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
const char *str = grpc_error_string(error);
gpr_log(GPR_DEBUG, "CLIENT_CONNECT: %s: on_writable: error=%s",
ac->addr_str, str);
@@ -330,9 +330,9 @@ static void tcp_client_connect_impl(grpc_exec_ctx *exec_ctx,
grpc_schedule_on_exec_ctx);
ac->channel_args = grpc_channel_args_copy(channel_args);
- if (grpc_tcp_trace) {
- gpr_log(GPR_DEBUG, "CLIENT_CONNECT: %s: asynchronously connecting",
- ac->addr_str);
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
+ gpr_log(GPR_DEBUG, "CLIENT_CONNECT: %s: asynchronously connecting fd %p",
+ ac->addr_str, fdobj);
}
gpr_mu_lock(&ac->mu);
diff --git a/src/core/lib/iomgr/tcp_client_uv.c b/src/core/lib/iomgr/tcp_client_uv.c
index 682c24ed56b820b23f47d95aa68af56b4d375d76..f0856a76d4bdcaaa4fb257e128fed8a3ea714bd8 100644
--- a/src/core/lib/iomgr/tcp_client_uv.c
+++ b/src/core/lib/iomgr/tcp_client_uv.c
@@ -46,7 +46,7 @@
#include "src/core/lib/iomgr/tcp_uv.h"
#include "src/core/lib/iomgr/timer.h"
-extern int grpc_tcp_trace;
+extern grpc_tracer_flag grpc_tcp_trace;
typedef struct grpc_uv_tcp_connect {
uv_connect_t connect_req;
@@ -72,7 +72,7 @@ static void uv_tc_on_alarm(grpc_exec_ctx *exec_ctx, void *acp,
grpc_error *error) {
int done;
grpc_uv_tcp_connect *connect = acp;
- if (grpc_tcp_trace) {
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
const char *str = grpc_error_string(error);
gpr_log(GPR_DEBUG, "CLIENT_CONNECT: %s: on_alarm: error=%s",
connect->addr_name, str);
@@ -156,7 +156,7 @@ static void tcp_client_connect_impl(grpc_exec_ctx *exec_ctx,
uv_tcp_init(uv_default_loop(), connect->tcp_handle);
connect->connect_req.data = connect;
- if (grpc_tcp_trace) {
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
gpr_log(GPR_DEBUG, "CLIENT_CONNECT: %s: asynchronously connecting",
connect->addr_name);
}
diff --git a/src/core/lib/iomgr/tcp_posix.c b/src/core/lib/iomgr/tcp_posix.c
index 5f4b38de2b9c17e0fb02f320dda5a694df75a190..5d360b0b80518eb956a446c37f436cf4e5beea25 100644
--- a/src/core/lib/iomgr/tcp_posix.c
+++ b/src/core/lib/iomgr/tcp_posix.c
@@ -74,7 +74,7 @@ typedef GRPC_MSG_IOVLEN_TYPE msg_iovlen_type;
typedef size_t msg_iovlen_type;
#endif
-int grpc_tcp_trace = 0;
+grpc_tracer_flag grpc_tcp_trace = GRPC_TRACER_INITIALIZER(false);
typedef struct {
grpc_endpoint base;
@@ -221,7 +221,7 @@ static void call_read_cb(grpc_exec_ctx *exec_ctx, grpc_tcp *tcp,
grpc_error *error) {
grpc_closure *cb = tcp->read_cb;
- if (grpc_tcp_trace) {
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
size_t i;
const char *str = grpc_error_string(error);
gpr_log(GPR_DEBUG, "read: error=%s", str);
@@ -468,14 +468,14 @@ static void tcp_handle_write(grpc_exec_ctx *exec_ctx, void *arg /* grpc_tcp */,
}
if (!tcp_flush(tcp, &error)) {
- if (grpc_tcp_trace) {
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
gpr_log(GPR_DEBUG, "write: delayed");
}
grpc_fd_notify_on_write(exec_ctx, tcp->em_fd, &tcp->write_closure);
} else {
cb = tcp->write_cb;
tcp->write_cb = NULL;
- if (grpc_tcp_trace) {
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
const char *str = grpc_error_string(error);
gpr_log(GPR_DEBUG, "write: %s", str);
}
@@ -490,7 +490,7 @@ static void tcp_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
grpc_tcp *tcp = (grpc_tcp *)ep;
grpc_error *error = GRPC_ERROR_NONE;
- if (grpc_tcp_trace) {
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
size_t i;
for (i = 0; i < buf->count; i++) {
@@ -521,12 +521,12 @@ static void tcp_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
if (!tcp_flush(tcp, &error)) {
TCP_REF(tcp, "write");
tcp->write_cb = cb;
- if (grpc_tcp_trace) {
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
gpr_log(GPR_DEBUG, "write: delayed");
}
grpc_fd_notify_on_write(exec_ctx, tcp->em_fd, &tcp->write_closure);
} else {
- if (grpc_tcp_trace) {
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
const char *str = grpc_error_string(error);
gpr_log(GPR_DEBUG, "write: %s", str);
}
diff --git a/src/core/lib/iomgr/tcp_posix.h b/src/core/lib/iomgr/tcp_posix.h
index 1ad5788331ffd7cc0b525cd90a90ca839fe0b931..4ad60c116eb8e8ea147a82ec2e9461a92cfda58d 100644
--- a/src/core/lib/iomgr/tcp_posix.h
+++ b/src/core/lib/iomgr/tcp_posix.h
@@ -44,10 +44,11 @@
otherwise specified.
*/
+#include "src/core/lib/debug/trace.h"
#include "src/core/lib/iomgr/endpoint.h"
#include "src/core/lib/iomgr/ev_posix.h"
-extern int grpc_tcp_trace;
+extern grpc_tracer_flag grpc_tcp_trace;
/* Create a tcp endpoint given a file desciptor and a read slice size.
Takes ownership of fd. */
diff --git a/src/core/lib/iomgr/tcp_server_posix.c b/src/core/lib/iomgr/tcp_server_posix.c
index e66ffc9b1c22cf8c56a1910c42d0b9f4b6595f0a..08997b5e2bbc5e06dc204619b590d5307964f71b 100644
--- a/src/core/lib/iomgr/tcp_server_posix.c
+++ b/src/core/lib/iomgr/tcp_server_posix.c
@@ -257,7 +257,7 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *err) {
addr_str = grpc_sockaddr_to_uri(&addr);
gpr_asprintf(&name, "tcp-server-connection:%s", addr_str);
- if (grpc_tcp_trace) {
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
gpr_log(GPR_DEBUG, "SERVER_CONNECT: incoming connection: %s", addr_str);
}
diff --git a/src/core/lib/iomgr/tcp_uv.c b/src/core/lib/iomgr/tcp_uv.c
index 8e8db9f7b45b0de81f7187dd50005805c7ed7072..e7157537f6de289703be0f6b54f6b7f29744e835 100644
--- a/src/core/lib/iomgr/tcp_uv.c
+++ b/src/core/lib/iomgr/tcp_uv.c
@@ -52,7 +52,7 @@
#include "src/core/lib/slice/slice_string_helpers.h"
#include "src/core/lib/support/string.h"
-int grpc_tcp_trace = 0;
+grpc_tracer_flag grpc_tcp_trace = GRPC_TRACER_INITIALIZER(false);
typedef struct {
grpc_endpoint base;
@@ -158,7 +158,7 @@ static void read_callback(uv_stream_t *stream, ssize_t nread,
sub = grpc_slice_sub_no_ref(tcp->read_slice, 0, (size_t)nread);
grpc_slice_buffer_add(tcp->read_slices, sub);
error = GRPC_ERROR_NONE;
- if (grpc_tcp_trace) {
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
size_t i;
const char *str = grpc_error_string(error);
gpr_log(GPR_DEBUG, "read: error=%s", str);
@@ -199,7 +199,7 @@ static void uv_endpoint_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
grpc_slice_from_static_string(uv_strerror(status)));
grpc_closure_sched(exec_ctx, cb, error);
}
- if (grpc_tcp_trace) {
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
const char *str = grpc_error_string(error);
gpr_log(GPR_DEBUG, "Initiating read on %p: error=%s", tcp, str);
}
@@ -217,7 +217,7 @@ static void write_callback(uv_write_t *req, int status) {
} else {
error = GRPC_ERROR_CREATE_FROM_STATIC_STRING("TCP Write failed");
}
- if (grpc_tcp_trace) {
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
const char *str = grpc_error_string(error);
gpr_log(GPR_DEBUG, "write complete on %p: error=%s", tcp, str);
}
@@ -238,7 +238,7 @@ static void uv_endpoint_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
grpc_slice *slice;
uv_write_t *write_req;
- if (grpc_tcp_trace) {
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
size_t j;
for (j = 0; j < write_slices->count; j++) {
@@ -346,7 +346,7 @@ grpc_endpoint *grpc_tcp_create(uv_tcp_t *handle,
char *peer_string) {
grpc_tcp *tcp = (grpc_tcp *)gpr_malloc(sizeof(grpc_tcp));
- if (grpc_tcp_trace) {
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
gpr_log(GPR_DEBUG, "Creating TCP endpoint %p", tcp);
}
diff --git a/src/core/lib/iomgr/tcp_uv.h b/src/core/lib/iomgr/tcp_uv.h
index 970fcafe4a52f7555ea3df4d95b5c69f25f433df..106bec5eca7702a775189e0857190bd498a938fd 100644
--- a/src/core/lib/iomgr/tcp_uv.h
+++ b/src/core/lib/iomgr/tcp_uv.h
@@ -44,11 +44,12 @@
otherwise specified.
*/
+#include "src/core/lib/debug/trace.h"
#include "src/core/lib/iomgr/endpoint.h"
#include <uv.h>
-extern int grpc_tcp_trace;
+extern grpc_tracer_flag grpc_tcp_trace;
#define GRPC_TCP_DEFAULT_READ_SLICE_SIZE 8192
diff --git a/src/core/lib/iomgr/timer_generic.c b/src/core/lib/iomgr/timer_generic.c
index d8e60684312bda411aed4c2e5fa73336109ab2f8..b28340b71c722801a87e9310dcad29a47e77eec0 100644
--- a/src/core/lib/iomgr/timer_generic.c
+++ b/src/core/lib/iomgr/timer_generic.c
@@ -56,8 +56,8 @@
#define MIN_QUEUE_WINDOW_DURATION 0.01
#define MAX_QUEUE_WINDOW_DURATION 1
-int grpc_timer_trace = 0;
-int grpc_timer_check_trace = 0;
+grpc_tracer_flag grpc_timer_trace = GRPC_TRACER_INITIALIZER(false);
+grpc_tracer_flag grpc_timer_check_trace = GRPC_TRACER_INITIALIZER(false);
typedef struct {
gpr_mu mu;
@@ -232,14 +232,13 @@ void grpc_timer_init(grpc_exec_ctx *exec_ctx, grpc_timer *timer,
GPR_ASSERT(deadline.clock_type == g_clock_type);
GPR_ASSERT(now.clock_type == g_clock_type);
timer->closure = closure;
- timer->deadline = timespec_to_atm_round_up(deadline);
+ gpr_atm deadline_atm = timer->deadline = timespec_to_atm_round_up(deadline);
- if (grpc_timer_trace) {
+ if (GRPC_TRACER_ON(grpc_timer_trace)) {
gpr_log(GPR_DEBUG, "TIMER %p: SET %" PRId64 ".%09d [%" PRIdPTR
"] now %" PRId64 ".%09d [%" PRIdPTR "] call %p[%p]",
- timer, deadline.tv_sec, deadline.tv_nsec, timer->deadline,
- now.tv_sec, now.tv_nsec, timespec_to_atm_round_down(now), closure,
- closure->cb);
+ timer, deadline.tv_sec, deadline.tv_nsec, deadline_atm, now.tv_sec,
+ now.tv_nsec, timespec_to_atm_round_down(now), closure, closure->cb);
}
if (!g_shared_mutables.initialized) {
@@ -262,13 +261,13 @@ void grpc_timer_init(grpc_exec_ctx *exec_ctx, grpc_timer *timer,
grpc_time_averaged_stats_add_sample(&shard->stats,
ts_to_dbl(gpr_time_sub(deadline, now)));
- if (timer->deadline < shard->queue_deadline_cap) {
+ if (deadline_atm < shard->queue_deadline_cap) {
is_first_timer = grpc_timer_heap_add(&shard->heap, timer);
} else {
timer->heap_index = INVALID_HEAP_INDEX;
list_join(&shard->list, timer);
}
- if (grpc_timer_trace) {
+ if (GRPC_TRACER_ON(grpc_timer_trace)) {
gpr_log(GPR_DEBUG, " .. add to shard %d with queue_deadline_cap=%" PRIdPTR
" => is_first_timer=%s",
(int)(shard - g_shards), shard->queue_deadline_cap,
@@ -289,16 +288,16 @@ void grpc_timer_init(grpc_exec_ctx *exec_ctx, grpc_timer *timer,
grpc_timer_check. */
if (is_first_timer) {
gpr_mu_lock(&g_shared_mutables.mu);
- if (grpc_timer_trace) {
+ if (GRPC_TRACER_ON(grpc_timer_trace)) {
gpr_log(GPR_DEBUG, " .. old shard min_deadline=%" PRIdPTR,
shard->min_deadline);
}
- if (timer->deadline < shard->min_deadline) {
+ if (deadline_atm < shard->min_deadline) {
gpr_atm old_min_deadline = g_shard_queue[0]->min_deadline;
- shard->min_deadline = timer->deadline;
+ shard->min_deadline = deadline_atm;
note_deadline_change(shard);
- if (shard->shard_queue_index == 0 && timer->deadline < old_min_deadline) {
- gpr_atm_no_barrier_store(&g_shared_mutables.min_timer, timer->deadline);
+ if (shard->shard_queue_index == 0 && deadline_atm < old_min_deadline) {
+ gpr_atm_no_barrier_store(&g_shared_mutables.min_timer, deadline_atm);
grpc_kick_poller();
}
}
@@ -319,7 +318,7 @@ void grpc_timer_cancel(grpc_exec_ctx *exec_ctx, grpc_timer *timer) {
shard_type *shard = &g_shards[GPR_HASH_POINTER(timer, NUM_SHARDS)];
gpr_mu_lock(&shard->mu);
- if (grpc_timer_trace) {
+ if (GRPC_TRACER_ON(grpc_timer_trace)) {
gpr_log(GPR_DEBUG, "TIMER %p: CANCEL pending=%s", timer,
timer->pending ? "true" : "false");
}
@@ -355,7 +354,7 @@ static int refill_queue(shard_type *shard, gpr_atm now) {
saturating_add(GPR_MAX(now, shard->queue_deadline_cap),
(gpr_atm)(deadline_delta * 1000.0));
- if (grpc_timer_check_trace) {
+ if (GRPC_TRACER_ON(grpc_timer_check_trace)) {
gpr_log(GPR_DEBUG, " .. shard[%d]->queue_deadline_cap --> %" PRIdPTR,
(int)(shard - g_shards), shard->queue_deadline_cap);
}
@@ -363,7 +362,7 @@ static int refill_queue(shard_type *shard, gpr_atm now) {
next = timer->next;
if (timer->deadline < shard->queue_deadline_cap) {
- if (grpc_timer_check_trace) {
+ if (GRPC_TRACER_ON(grpc_timer_check_trace)) {
gpr_log(GPR_DEBUG, " .. add timer with deadline %" PRIdPTR " to heap",
timer->deadline);
}
@@ -380,7 +379,7 @@ static int refill_queue(shard_type *shard, gpr_atm now) {
static grpc_timer *pop_one(shard_type *shard, gpr_atm now) {
grpc_timer *timer;
for (;;) {
- if (grpc_timer_check_trace) {
+ if (GRPC_TRACER_ON(grpc_timer_check_trace)) {
gpr_log(GPR_DEBUG, " .. shard[%d]: heap_empty=%s",
(int)(shard - g_shards),
grpc_timer_heap_is_empty(&shard->heap) ? "true" : "false");
@@ -390,13 +389,13 @@ static grpc_timer *pop_one(shard_type *shard, gpr_atm now) {
if (!refill_queue(shard, now)) return NULL;
}
timer = grpc_timer_heap_top(&shard->heap);
- if (grpc_timer_check_trace) {
+ if (GRPC_TRACER_ON(grpc_timer_check_trace)) {
gpr_log(GPR_DEBUG,
" .. check top timer deadline=%" PRIdPTR " now=%" PRIdPTR,
timer->deadline, now);
}
if (timer->deadline > now) return NULL;
- if (grpc_timer_trace) {
+ if (GRPC_TRACER_ON(grpc_timer_trace)) {
gpr_log(GPR_DEBUG, "TIMER %p: FIRE %" PRIdPTR "ms late", timer,
now - timer->deadline);
}
@@ -436,7 +435,7 @@ static int run_some_expired_timers(grpc_exec_ctx *exec_ctx, gpr_atm now,
if (gpr_spinlock_trylock(&g_shared_mutables.checker_mu)) {
gpr_mu_lock(&g_shared_mutables.mu);
- if (grpc_timer_check_trace) {
+ if (GRPC_TRACER_ON(grpc_timer_check_trace)) {
gpr_log(GPR_DEBUG, " .. shard[%d]->min_deadline = %" PRIdPTR,
(int)(g_shard_queue[0] - g_shards),
g_shard_queue[0]->min_deadline);
@@ -452,7 +451,7 @@ static int run_some_expired_timers(grpc_exec_ctx *exec_ctx, gpr_atm now,
n +=
pop_timers(exec_ctx, g_shard_queue[0], now, &new_min_deadline, error);
- if (grpc_timer_check_trace) {
+ if (GRPC_TRACER_ON(grpc_timer_check_trace)) {
gpr_log(GPR_DEBUG, " .. popped --> %" PRIdPTR
", shard[%d]->min_deadline %" PRIdPTR
" --> %" PRIdPTR ", now=%" PRIdPTR,
@@ -509,7 +508,7 @@ bool grpc_timer_check(grpc_exec_ctx *exec_ctx, gpr_timespec now,
*next =
atm_to_timespec(GPR_MIN(timespec_to_atm_round_up(*next), min_timer));
}
- if (grpc_timer_check_trace) {
+ if (GRPC_TRACER_ON(grpc_timer_check_trace)) {
gpr_log(GPR_DEBUG,
"TIMER CHECK SKIP: now_atm=%" PRIdPTR " min_timer=%" PRIdPTR,
now_atm, min_timer);
@@ -523,7 +522,7 @@ bool grpc_timer_check(grpc_exec_ctx *exec_ctx, gpr_timespec now,
: GRPC_ERROR_CREATE_FROM_STATIC_STRING("Shutting down timer system");
// tracing
- if (grpc_timer_check_trace) {
+ if (GRPC_TRACER_ON(grpc_timer_check_trace)) {
char *next_str;
if (next == NULL) {
next_str = gpr_strdup("NULL");
@@ -549,7 +548,7 @@ bool grpc_timer_check(grpc_exec_ctx *exec_ctx, gpr_timespec now,
*next = atm_to_timespec(next_atm);
}
// tracing
- if (grpc_timer_check_trace) {
+ if (GRPC_TRACER_ON(grpc_timer_check_trace)) {
char *next_str;
if (next == NULL) {
next_str = gpr_strdup("NULL");
diff --git a/src/core/lib/iomgr/timer_manager.c b/src/core/lib/iomgr/timer_manager.c
new file mode 100644
index 0000000000000000000000000000000000000000..24085093e70ddfe59753fe07e79244a53f5c9789
--- /dev/null
+++ b/src/core/lib/iomgr/timer_manager.c
@@ -0,0 +1,276 @@
+/*
+ *
+ * Copyright 2017, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/iomgr/timer_manager.h"
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/thd.h>
+
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/iomgr/timer.h"
+
+typedef struct completed_thread {
+ gpr_thd_id t;
+ struct completed_thread *next;
+} completed_thread;
+
+extern grpc_tracer_flag grpc_timer_check_trace;
+
+// global mutex
+static gpr_mu g_mu;
+// are we multi-threaded
+static bool g_threaded;
+// cv to wait until a thread is needed
+static gpr_cv g_cv_wait;
+// cv for notification when threading ends
+static gpr_cv g_cv_shutdown;
+// number of threads in the system
+static int g_thread_count;
+// number of threads sitting around waiting
+static int g_waiter_count;
+// linked list of threads that have completed (and need joining)
+static completed_thread *g_completed_threads;
+// was the manager kicked by the timer system
+static bool g_kicked;
+// is there a thread waiting until the next timer should fire?
+static bool g_has_timed_waiter;
+// generation counter to track which thread is waiting for the next timer
+static uint64_t g_timed_waiter_generation;
+
+static void timer_thread(void *unused);
+
+static void gc_completed_threads(void) {
+ if (g_completed_threads != NULL) {
+ completed_thread *to_gc = g_completed_threads;
+ g_completed_threads = NULL;
+ gpr_mu_unlock(&g_mu);
+ while (to_gc != NULL) {
+ gpr_thd_join(to_gc->t);
+ completed_thread *next = to_gc->next;
+ gpr_free(to_gc);
+ to_gc = next;
+ }
+ gpr_mu_lock(&g_mu);
+ }
+}
+
+static void start_timer_thread_and_unlock(void) {
+ GPR_ASSERT(g_threaded);
+ ++g_waiter_count;
+ ++g_thread_count;
+ gpr_mu_unlock(&g_mu);
+ if (GRPC_TRACER_ON(grpc_timer_check_trace)) {
+ gpr_log(GPR_DEBUG, "Spawn timer thread");
+ }
+ gpr_thd_id thd;
+ gpr_thd_options opt = gpr_thd_options_default();
+ gpr_thd_options_set_joinable(&opt);
+ gpr_thd_new(&thd, timer_thread, NULL, &opt);
+}
+
+void grpc_timer_manager_tick() {
+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+ gpr_timespec next = gpr_inf_future(GPR_CLOCK_MONOTONIC);
+ gpr_timespec now = gpr_now(GPR_CLOCK_MONOTONIC);
+ grpc_timer_check(&exec_ctx, now, &next);
+ grpc_exec_ctx_finish(&exec_ctx);
+}
+
+static void timer_thread(void *unused) {
+ // this threads exec_ctx: we try to run things through to completion here
+ // since it's easy to spin up new threads
+ grpc_exec_ctx exec_ctx =
+ GRPC_EXEC_CTX_INITIALIZER(0, grpc_never_ready_to_finish, NULL);
+ const gpr_timespec inf_future = gpr_inf_future(GPR_CLOCK_MONOTONIC);
+ for (;;) {
+ gpr_timespec next = inf_future;
+ gpr_timespec now = gpr_now(GPR_CLOCK_MONOTONIC);
+ // check timer state, updates next to the next time to run a check
+ if (grpc_timer_check(&exec_ctx, now, &next)) {
+ // if there's something to execute...
+ gpr_mu_lock(&g_mu);
+ // remove a waiter from the pool, and start another thread if necessary
+ --g_waiter_count;
+ if (g_waiter_count == 0 && g_threaded) {
+ start_timer_thread_and_unlock();
+ } else {
+ // if there's no thread waiting with a timeout, kick an existing waiter
+ // so that the next deadline is not missed
+ if (!g_has_timed_waiter) {
+ if (GRPC_TRACER_ON(grpc_timer_check_trace)) {
+ gpr_log(GPR_DEBUG, "kick untimed waiter");
+ }
+ gpr_cv_signal(&g_cv_wait);
+ }
+ gpr_mu_unlock(&g_mu);
+ }
+ // without our lock, flush the exec_ctx
+ grpc_exec_ctx_flush(&exec_ctx);
+ gpr_mu_lock(&g_mu);
+ // garbage collect any threads hanging out that are dead
+ gc_completed_threads();
+ // get ready to wait again
+ ++g_waiter_count;
+ gpr_mu_unlock(&g_mu);
+ } else {
+ gpr_mu_lock(&g_mu);
+ // if we're not threaded anymore, leave
+ if (!g_threaded) break;
+ // if there's no timed waiter, we should become one: that waiter waits
+ // only until the next timer should expire
+ // all other timers wait forever
+ uint64_t my_timed_waiter_generation = g_timed_waiter_generation - 1;
+ if (!g_has_timed_waiter) {
+ g_has_timed_waiter = true;
+ // we use a generation counter to track the timed waiter so we can
+ // cancel an existing one quickly (and when it actually times out it'll
+ // figure stuff out instead of incurring a wakeup)
+ my_timed_waiter_generation = ++g_timed_waiter_generation;
+ if (GRPC_TRACER_ON(grpc_timer_check_trace)) {
+ gpr_log(GPR_DEBUG, "sleep for a while");
+ }
+ } else {
+ next = inf_future;
+ if (GRPC_TRACER_ON(grpc_timer_check_trace)) {
+ gpr_log(GPR_DEBUG, "sleep until kicked");
+ }
+ }
+ gpr_cv_wait(&g_cv_wait, &g_mu, next);
+ if (GRPC_TRACER_ON(grpc_timer_check_trace)) {
+ gpr_log(GPR_DEBUG, "wait ended: was_timed:%d kicked:%d",
+ my_timed_waiter_generation == g_timed_waiter_generation,
+ g_kicked);
+ }
+ // if this was the timed waiter, then we need to check timers, and flag
+ // that there's now no timed waiter... we'll look for a replacement if
+ // there's work to do after checking timers (code above)
+ if (my_timed_waiter_generation == g_timed_waiter_generation) {
+ g_has_timed_waiter = false;
+ }
+ // if this was a kick from the timer system, consume it (and don't stop
+ // this thread yet)
+ if (g_kicked) {
+ grpc_timer_consume_kick();
+ g_kicked = false;
+ }
+ gpr_mu_unlock(&g_mu);
+ }
+ }
+ // terminate the thread: drop the waiter count, thread count, and let whomever
+ // stopped the threading stuff know that we're done
+ --g_waiter_count;
+ --g_thread_count;
+ if (0 == g_thread_count) {
+ gpr_cv_signal(&g_cv_shutdown);
+ }
+ completed_thread *ct = gpr_malloc(sizeof(*ct));
+ ct->t = gpr_thd_currentid();
+ ct->next = g_completed_threads;
+ g_completed_threads = ct;
+ gpr_mu_unlock(&g_mu);
+ grpc_exec_ctx_finish(&exec_ctx);
+ if (GRPC_TRACER_ON(grpc_timer_check_trace)) {
+ gpr_log(GPR_DEBUG, "End timer thread");
+ }
+}
+
+static void start_threads(void) {
+ gpr_mu_lock(&g_mu);
+ if (!g_threaded) {
+ g_threaded = true;
+ start_timer_thread_and_unlock();
+ } else {
+ g_threaded = false;
+ gpr_mu_unlock(&g_mu);
+ }
+}
+
+void grpc_timer_manager_init(void) {
+ gpr_mu_init(&g_mu);
+ gpr_cv_init(&g_cv_wait);
+ gpr_cv_init(&g_cv_shutdown);
+ g_threaded = false;
+ g_thread_count = 0;
+ g_waiter_count = 0;
+ g_completed_threads = NULL;
+
+ start_threads();
+}
+
+static void stop_threads(void) {
+ gpr_mu_lock(&g_mu);
+ if (GRPC_TRACER_ON(grpc_timer_check_trace)) {
+ gpr_log(GPR_DEBUG, "stop timer threads: threaded=%d", g_threaded);
+ }
+ if (g_threaded) {
+ g_threaded = false;
+ gpr_cv_broadcast(&g_cv_wait);
+ if (GRPC_TRACER_ON(grpc_timer_check_trace)) {
+ gpr_log(GPR_DEBUG, "num timer threads: %d", g_thread_count);
+ }
+ while (g_thread_count > 0) {
+ gpr_cv_wait(&g_cv_shutdown, &g_mu, gpr_inf_future(GPR_CLOCK_REALTIME));
+ if (GRPC_TRACER_ON(grpc_timer_check_trace)) {
+ gpr_log(GPR_DEBUG, "num timer threads: %d", g_thread_count);
+ }
+ gc_completed_threads();
+ }
+ }
+ gpr_mu_unlock(&g_mu);
+}
+
+void grpc_timer_manager_shutdown(void) {
+ stop_threads();
+
+ gpr_mu_destroy(&g_mu);
+ gpr_cv_destroy(&g_cv_wait);
+ gpr_cv_destroy(&g_cv_shutdown);
+}
+
+void grpc_timer_manager_set_threading(bool threaded) {
+ if (threaded) {
+ start_threads();
+ } else {
+ stop_threads();
+ }
+}
+
+void grpc_kick_poller(void) {
+ gpr_mu_lock(&g_mu);
+ g_kicked = true;
+ g_has_timed_waiter = false;
+ ++g_timed_waiter_generation;
+ gpr_cv_signal(&g_cv_wait);
+ gpr_mu_unlock(&g_mu);
+}
diff --git a/src/core/lib/iomgr/timer_manager.h b/src/core/lib/iomgr/timer_manager.h
new file mode 100644
index 0000000000000000000000000000000000000000..46729ccea629416e68d1e1c43e701f6d513c254f
--- /dev/null
+++ b/src/core/lib/iomgr/timer_manager.h
@@ -0,0 +1,52 @@
+/*
+ *
+ * Copyright 2017, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_IOMGR_TIMER_MANAGER_H
+#define GRPC_CORE_LIB_IOMGR_TIMER_MANAGER_H
+
+#include <stdbool.h>
+
+/* Timer Manager tries to keep one thread waiting for the next timeout at all
+ times */
+
+void grpc_timer_manager_init(void);
+void grpc_timer_manager_shutdown(void);
+
+/* enable/disable threading - must be called after grpc_timer_manager_init and
+ * before grpc_timer_manager_shutdown */
+void grpc_timer_manager_set_threading(bool enabled);
+/* explicitly perform one tick of the timer system - for when threading is
+ * disabled */
+void grpc_timer_manager_tick(void);
+
+#endif /* GRPC_CORE_LIB_IOMGR_TIMER_MANAGER_H */
diff --git a/src/core/lib/iomgr/timer_uv.c b/src/core/lib/iomgr/timer_uv.c
index 8e8a07578c6a6d693e10e48816d8401e3776174f..2952e44b5832cec0b13ded78beb475da17eef73d 100644
--- a/src/core/lib/iomgr/timer_uv.c
+++ b/src/core/lib/iomgr/timer_uv.c
@@ -38,10 +38,14 @@
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
+#include "src/core/lib/debug/trace.h"
#include "src/core/lib/iomgr/timer.h"
#include <uv.h>
+grpc_tracer_flag grpc_timer_trace = GRPC_TRACER_INITIALIZER(false);
+grpc_tracer_flag grpc_timer_check_trace = GRPC_TRACER_INITIALIZER(false);
+
static void timer_close_callback(uv_handle_t *handle) { gpr_free(handle); }
static void stop_uv_timer(uv_timer_t *handle) {
@@ -100,4 +104,6 @@ bool grpc_timer_check(grpc_exec_ctx *exec_ctx, gpr_timespec now,
void grpc_timer_list_init(gpr_timespec now) {}
void grpc_timer_list_shutdown(grpc_exec_ctx *exec_ctx) {}
+void grpc_timer_consume_kick(void) {}
+
#endif /* GRPC_UV */
diff --git a/src/core/lib/security/credentials/google_default/google_default_credentials.c b/src/core/lib/security/credentials/google_default/google_default_credentials.c
index 97501e6788ca05513e83967191bd17793549ac3a..4d8c451ea806db13abd79929ac4b0ac66261ac42 100644
--- a/src/core/lib/security/credentials/google_default/google_default_credentials.c
+++ b/src/core/lib/security/credentials/google_default/google_default_credentials.c
@@ -99,7 +99,7 @@ static void on_compute_engine_detection_http_response(grpc_exec_ctx *exec_ctx,
}
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p, grpc_error *e) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
static int is_stack_running_on_compute_engine(grpc_exec_ctx *exec_ctx) {
diff --git a/src/core/lib/security/credentials/jwt/jwt_credentials.c b/src/core/lib/security/credentials/jwt/jwt_credentials.c
index 178ce89aa6942b588d04fb17f806215055966272..0e7c1afb024d4aee9c2b66ef5f37dedf1016713d 100644
--- a/src/core/lib/security/credentials/jwt/jwt_credentials.c
+++ b/src/core/lib/security/credentials/jwt/jwt_credentials.c
@@ -171,7 +171,7 @@ static char *redact_private_key(const char *json_key) {
grpc_call_credentials *grpc_service_account_jwt_access_credentials_create(
const char *json_key, gpr_timespec token_lifetime, void *reserved) {
- if (grpc_api_trace) {
+ if (GRPC_TRACER_ON(grpc_api_trace)) {
char *clean_json = redact_private_key(json_key);
gpr_log(GPR_INFO,
"grpc_service_account_jwt_access_credentials_create("
diff --git a/src/core/lib/security/credentials/oauth2/oauth2_credentials.c b/src/core/lib/security/credentials/oauth2/oauth2_credentials.c
index ccfb3566c1127bd319f39c0f737d1ebe72d67c1f..29235b6eb30964ab38c3f1de07c5cca8648d9ff3 100644
--- a/src/core/lib/security/credentials/oauth2/oauth2_credentials.c
+++ b/src/core/lib/security/credentials/oauth2/oauth2_credentials.c
@@ -412,7 +412,7 @@ grpc_call_credentials *grpc_google_refresh_token_credentials_create(
const char *json_refresh_token, void *reserved) {
grpc_auth_refresh_token token =
grpc_auth_refresh_token_create_from_string(json_refresh_token);
- if (grpc_api_trace) {
+ if (GRPC_TRACER_ON(grpc_api_trace)) {
char *loggable_token = create_loggable_refresh_token(&token);
gpr_log(GPR_INFO,
"grpc_refresh_token_credentials_create(json_refresh_token=%s, "
diff --git a/src/core/lib/security/transport/client_auth_filter.c b/src/core/lib/security/transport/client_auth_filter.c
index 1f0daf73253e6ae7ebbaa02cd1083ce801534121..dff05633ecb97341bbd6025a62a0bac68bf9ec9b 100644
--- a/src/core/lib/security/transport/client_auth_filter.c
+++ b/src/core/lib/security/transport/client_auth_filter.c
@@ -253,7 +253,7 @@ static void auth_start_transport_op(grpc_exec_ctx *exec_ctx,
grpc_linked_mdelem *l;
grpc_client_security_context *sec_ctx = NULL;
- if (calld->security_context_set == 0 && !op->cancel_stream) {
+ if (!op->cancel_stream && calld->security_context_set == 0) {
calld->security_context_set = 1;
GPR_ASSERT(op->payload->context != NULL);
if (op->payload->context[GRPC_CONTEXT_SECURITY].value == NULL) {
diff --git a/src/core/lib/security/transport/secure_endpoint.c b/src/core/lib/security/transport/secure_endpoint.c
index 0d5c7432c645d299a050fa76d61fa3e6b2bdeea9..48d368a2a70bc405ccaab5d97c288e2aaaa8c43e 100644
--- a/src/core/lib/security/transport/secure_endpoint.c
+++ b/src/core/lib/security/transport/secure_endpoint.c
@@ -75,7 +75,7 @@ typedef struct {
gpr_refcount ref;
} secure_endpoint;
-int grpc_trace_secure_endpoint = 0;
+grpc_tracer_flag grpc_trace_secure_endpoint = GRPC_TRACER_INITIALIZER(false);
static void destroy(grpc_exec_ctx *exec_ctx, secure_endpoint *secure_ep) {
secure_endpoint *ep = secure_ep;
@@ -137,7 +137,7 @@ static void flush_read_staging_buffer(secure_endpoint *ep, uint8_t **cur,
static void call_read_cb(grpc_exec_ctx *exec_ctx, secure_endpoint *ep,
grpc_error *error) {
- if (grpc_trace_secure_endpoint) {
+ if (GRPC_TRACER_ON(grpc_trace_secure_endpoint)) {
size_t i;
for (i = 0; i < ep->read_buffer->count; i++) {
char *data = grpc_dump_slice(ep->read_buffer->slices[i],
@@ -269,7 +269,7 @@ static void endpoint_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *secure_ep,
grpc_slice_buffer_reset_and_unref_internal(exec_ctx, &ep->output_buffer);
- if (grpc_trace_secure_endpoint) {
+ if (GRPC_TRACER_ON(grpc_trace_secure_endpoint)) {
for (i = 0; i < slices->count; i++) {
char *data =
grpc_dump_slice(slices->slices[i], GPR_DUMP_HEX | GPR_DUMP_ASCII);
diff --git a/src/core/lib/security/transport/secure_endpoint.h b/src/core/lib/security/transport/secure_endpoint.h
index a61f40a4fa3fc99d15591e0975a2a64645606dbc..f1a5c8cb6de417b819f3e227828b8972259f5d76 100644
--- a/src/core/lib/security/transport/secure_endpoint.h
+++ b/src/core/lib/security/transport/secure_endpoint.h
@@ -39,7 +39,7 @@
struct tsi_frame_protector;
-extern int grpc_trace_secure_endpoint;
+extern grpc_tracer_flag grpc_trace_secure_endpoint;
/* Takes ownership of protector and to_wrap, and refs leftover_slices. */
grpc_endpoint *grpc_secure_endpoint_create(
diff --git a/src/core/lib/support/mpscq.c b/src/core/lib/support/mpscq.c
index 5b9323275aa49825b7858e78167ab0180b89f512..1015cc67765d6dab4abbe26f8ee344fc325be901 100644
--- a/src/core/lib/support/mpscq.c
+++ b/src/core/lib/support/mpscq.c
@@ -54,21 +54,31 @@ void gpr_mpscq_push(gpr_mpscq *q, gpr_mpscq_node *n) {
}
gpr_mpscq_node *gpr_mpscq_pop(gpr_mpscq *q) {
+ bool empty;
+ return gpr_mpscq_pop_and_check_end(q, &empty);
+}
+
+gpr_mpscq_node *gpr_mpscq_pop_and_check_end(gpr_mpscq *q, bool *empty) {
gpr_mpscq_node *tail = q->tail;
gpr_mpscq_node *next = (gpr_mpscq_node *)gpr_atm_acq_load(&tail->next);
if (tail == &q->stub) {
// indicates the list is actually (ephemerally) empty
- if (next == NULL) return NULL;
+ if (next == NULL) {
+ *empty = true;
+ return NULL;
+ }
q->tail = next;
tail = next;
next = (gpr_mpscq_node *)gpr_atm_acq_load(&tail->next);
}
if (next != NULL) {
+ *empty = false;
q->tail = next;
return tail;
}
gpr_mpscq_node *head = (gpr_mpscq_node *)gpr_atm_acq_load(&q->head);
if (tail != head) {
+ *empty = false;
// indicates a retry is in order: we're still adding
return NULL;
}
@@ -79,5 +89,6 @@ gpr_mpscq_node *gpr_mpscq_pop(gpr_mpscq *q) {
return tail;
}
// indicates a retry is in order: we're still adding
+ *empty = false;
return NULL;
}
diff --git a/src/core/lib/support/mpscq.h b/src/core/lib/support/mpscq.h
index 977a117952979604a3ffaf8d7e25103b5b2b562e..24c89f90c9d214d0de38897a0a3e4cd08d37064d 100644
--- a/src/core/lib/support/mpscq.h
+++ b/src/core/lib/support/mpscq.h
@@ -35,6 +35,7 @@
#define GRPC_CORE_LIB_SUPPORT_MPSCQ_H
#include <grpc/support/atm.h>
+#include <stdbool.h>
#include <stddef.h>
// Multiple-producer single-consumer lock free queue, based upon the
@@ -62,4 +63,7 @@ void gpr_mpscq_push(gpr_mpscq *q, gpr_mpscq_node *n);
// the queue is empty!!)
gpr_mpscq_node *gpr_mpscq_pop(gpr_mpscq *q);
+// Pop a node; sets *empty to true if the queue is empty, or false if it is not
+gpr_mpscq_node *gpr_mpscq_pop_and_check_end(gpr_mpscq *q, bool *empty);
+
#endif /* GRPC_CORE_LIB_SUPPORT_MPSCQ_H */
diff --git a/src/core/lib/surface/alarm.c b/src/core/lib/surface/alarm.c
index e71c0ebfc57c557854098774251af31560c925c2..b72d534b7efa75f79a8666186c5f9d4e4ab7a3bd 100644
--- a/src/core/lib/surface/alarm.c
+++ b/src/core/lib/surface/alarm.c
@@ -81,7 +81,9 @@ void grpc_alarm_cancel(grpc_alarm *alarm) {
}
void grpc_alarm_destroy(grpc_alarm *alarm) {
+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_alarm_cancel(alarm);
- GRPC_CQ_INTERNAL_UNREF(alarm->cq, "alarm");
+ GRPC_CQ_INTERNAL_UNREF(&exec_ctx, alarm->cq, "alarm");
gpr_free(alarm);
+ grpc_exec_ctx_finish(&exec_ctx);
}
diff --git a/src/core/lib/surface/api_trace.c b/src/core/lib/surface/api_trace.c
index 79e3e5ca9b8b746dd9ad3977994fc7751640bcff..d8941cdf426e2b644586ca5fa230506115859732 100644
--- a/src/core/lib/surface/api_trace.c
+++ b/src/core/lib/surface/api_trace.c
@@ -32,5 +32,6 @@
*/
#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/debug/trace.h"
-int grpc_api_trace = 0;
+grpc_tracer_flag grpc_api_trace = GRPC_TRACER_INITIALIZER(false);
diff --git a/src/core/lib/surface/api_trace.h b/src/core/lib/surface/api_trace.h
index c60aaba5e97e90030a97b49c8ecaadba524b19b6..d4fbc8d90d377832095f0af412bd1481bc5bc3db 100644
--- a/src/core/lib/surface/api_trace.h
+++ b/src/core/lib/surface/api_trace.h
@@ -37,7 +37,7 @@
#include <grpc/support/log.h>
#include "src/core/lib/debug/trace.h"
-extern int grpc_api_trace;
+extern grpc_tracer_flag grpc_api_trace;
/* Provide unwrapping macros because we're in C89 and variadic macros weren't
introduced until C99... */
@@ -58,7 +58,7 @@ extern int grpc_api_trace;
/* Due to the limitations of C89's preprocessor, the arity of the var-arg list
'nargs' must be specified. */
#define GRPC_API_TRACE(fmt, nargs, args) \
- if (grpc_api_trace) { \
+ if (GRPC_TRACER_ON(grpc_api_trace)) { \
gpr_log(GPR_INFO, fmt GRPC_API_TRACE_UNWRAP##nargs args); \
}
diff --git a/src/core/lib/surface/call.c b/src/core/lib/surface/call.c
index 752580658305e180642a5cdffdc363edf5b9f5de..201969cd456848b83151ad922ab15d4270182f30 100644
--- a/src/core/lib/surface/call.c
+++ b/src/core/lib/surface/call.c
@@ -244,8 +244,8 @@ struct grpc_call {
void *saved_receiving_stream_ready_bctlp;
};
-int grpc_call_error_trace = 0;
-int grpc_compression_trace = 0;
+grpc_tracer_flag grpc_call_error_trace = GRPC_TRACER_INITIALIZER(false);
+grpc_tracer_flag grpc_compression_trace = GRPC_TRACER_INITIALIZER(false);
#define CALL_STACK_FROM_CALL(call) ((grpc_call_stack *)((call) + 1))
#define CALL_FROM_CALL_STACK(call_stack) (((grpc_call *)(call_stack)) - 1)
@@ -521,7 +521,7 @@ static void destroy_call(grpc_exec_ctx *exec_ctx, void *call,
}
}
if (c->cq) {
- GRPC_CQ_INTERNAL_UNREF(c->cq, "bind");
+ GRPC_CQ_INTERNAL_UNREF(exec_ctx, c->cq, "bind");
}
get_final_status(call, set_status_value_directly, &c->final_info.final_status,
@@ -702,7 +702,7 @@ static void get_final_status(grpc_call *call,
for (i = 0; i < STATUS_SOURCE_COUNT; i++) {
status[i] = unpack_received_status(gpr_atm_acq_load(&call->status[i]));
}
- if (grpc_call_error_trace) {
+ if (GRPC_TRACER_ON(grpc_call_error_trace)) {
gpr_log(GPR_DEBUG, "get_final_status %s", call->is_client ? "CLI" : "SVR");
for (i = 0; i < STATUS_SOURCE_COUNT; i++) {
if (status[i].is_set) {
@@ -1259,7 +1259,7 @@ static void receiving_slice_ready(grpc_exec_ctx *exec_ctx, void *bctlp,
}
if (error != GRPC_ERROR_NONE) {
- if (grpc_trace_operation_failures) {
+ if (GRPC_TRACER_ON(grpc_trace_operation_failures)) {
GRPC_LOG_IF_ERROR("receiving_slice_ready", GRPC_ERROR_REF(error));
}
grpc_byte_stream_destroy(exec_ctx, call->receiving_stream);
@@ -1355,8 +1355,7 @@ static void validate_filtered_metadata(grpc_exec_ctx *exec_ctx,
GPR_ASSERT(call->encodings_accepted_by_peer != 0);
if (!GPR_BITGET(call->encodings_accepted_by_peer,
call->incoming_compression_algorithm)) {
- extern int grpc_compression_trace;
- if (grpc_compression_trace) {
+ if (GRPC_TRACER_ON(grpc_compression_trace)) {
char *algo_name = NULL;
grpc_compression_algorithm_name(call->incoming_compression_algorithm,
&algo_name);
diff --git a/src/core/lib/surface/call.h b/src/core/lib/surface/call.h
index 7d4d0db28d999282940d236e87703e95cdbf8211..256a5fa2feb63ff302475875caed2ca7f73f671f 100644
--- a/src/core/lib/surface/call.h
+++ b/src/core/lib/surface/call.h
@@ -117,7 +117,8 @@ void grpc_call_context_set(grpc_call *call, grpc_context_index elem,
void *grpc_call_context_get(grpc_call *call, grpc_context_index elem);
#define GRPC_CALL_LOG_BATCH(sev, call, ops, nops, tag) \
- if (grpc_api_trace) grpc_call_log_batch(sev, call, ops, nops, tag)
+ if (GRPC_TRACER_ON(grpc_api_trace)) \
+ grpc_call_log_batch(sev, call, ops, nops, tag)
uint8_t grpc_call_is_client(grpc_call *call);
@@ -126,7 +127,8 @@ uint8_t grpc_call_is_client(grpc_call *call);
grpc_compression_algorithm grpc_call_compression_for_level(
grpc_call *call, grpc_compression_level level);
-extern int grpc_call_error_trace;
+extern grpc_tracer_flag grpc_call_error_trace;
+extern grpc_tracer_flag grpc_compression_trace;
#ifdef __cplusplus
}
diff --git a/src/core/lib/surface/completion_queue.c b/src/core/lib/surface/completion_queue.c
index 7a64aec98b91d9ed34c55463c01250831f323d47..0628560ee317c079243597cf34cd7e9810c53182 100644
--- a/src/core/lib/surface/completion_queue.c
+++ b/src/core/lib/surface/completion_queue.c
@@ -50,9 +50,9 @@
#include "src/core/lib/surface/call.h"
#include "src/core/lib/surface/event_string.h"
-int grpc_trace_operation_failures;
+grpc_tracer_flag grpc_trace_operation_failures = GRPC_TRACER_INITIALIZER(false);
#ifndef NDEBUG
-int grpc_trace_pending_tags;
+grpc_tracer_flag grpc_trace_pending_tags = GRPC_TRACER_INITIALIZER(false);
#endif
typedef struct {
@@ -72,7 +72,7 @@ typedef struct {
gpr_timespec deadline);
void (*shutdown)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
grpc_closure *closure);
- void (*destroy)(grpc_pollset *pollset);
+ void (*destroy)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset);
} cq_poller_vtable;
typedef struct non_polling_worker {
@@ -98,7 +98,8 @@ static void non_polling_poller_init(grpc_pollset *pollset, gpr_mu **mu) {
*mu = &npp->mu;
}
-static void non_polling_poller_destroy(grpc_pollset *pollset) {
+static void non_polling_poller_destroy(grpc_exec_ctx *exec_ctx,
+ grpc_pollset *pollset) {
non_polling_poller *npp = (non_polling_poller *)pollset;
gpr_mu_destroy(&npp->mu);
}
@@ -329,15 +330,16 @@ static const cq_vtable g_cq_vtable[] = {
#define POLLSET_FROM_CQ(cq) ((grpc_pollset *)(cq + 1))
#define CQ_FROM_POLLSET(ps) (((grpc_completion_queue *)ps) - 1)
-int grpc_cq_pluck_trace;
-int grpc_cq_event_timeout_trace;
+grpc_tracer_flag grpc_cq_pluck_trace = GRPC_TRACER_INITIALIZER(true);
+grpc_tracer_flag grpc_cq_event_timeout_trace = GRPC_TRACER_INITIALIZER(true);
-#define GRPC_SURFACE_TRACE_RETURNED_EVENT(cq, event) \
- if (grpc_api_trace && \
- (grpc_cq_pluck_trace || (event)->type != GRPC_QUEUE_TIMEOUT)) { \
- char *_ev = grpc_event_string(event); \
- gpr_log(GPR_INFO, "RETURN_EVENT[%p]: %s", cq, _ev); \
- gpr_free(_ev); \
+#define GRPC_SURFACE_TRACE_RETURNED_EVENT(cq, event) \
+ if (GRPC_TRACER_ON(grpc_api_trace) && \
+ (GRPC_TRACER_ON(grpc_cq_pluck_trace) || \
+ (event)->type != GRPC_QUEUE_TIMEOUT)) { \
+ char *_ev = grpc_event_string(event); \
+ gpr_log(GPR_INFO, "RETURN_EVENT[%p]: %s", cq, _ev); \
+ gpr_free(_ev); \
}
static void on_pollset_shutdown_done(grpc_exec_ctx *exec_ctx, void *cc,
@@ -456,7 +458,7 @@ void grpc_cq_internal_ref(grpc_completion_queue *cc) {
static void on_pollset_shutdown_done(grpc_exec_ctx *exec_ctx, void *arg,
grpc_error *error) {
grpc_completion_queue *cc = arg;
- GRPC_CQ_INTERNAL_UNREF(cc, "pollset_destroy");
+ GRPC_CQ_INTERNAL_UNREF(exec_ctx, cc, "pollset_destroy");
}
#ifdef GRPC_CQ_REF_COUNT_DEBUG
@@ -466,12 +468,13 @@ void grpc_cq_internal_unref(grpc_completion_queue *cc, const char *reason,
gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "CQ:%p unref %d -> %d %s", cc,
(int)cqd->owning_refs.count, (int)cqd->owning_refs.count - 1, reason);
#else
-void grpc_cq_internal_unref(grpc_completion_queue *cc) {
+void grpc_cq_internal_unref(grpc_exec_ctx *exec_ctx,
+ grpc_completion_queue *cc) {
cq_data *cqd = &cc->data;
#endif
if (gpr_unref(&cqd->owning_refs)) {
GPR_ASSERT(cqd->completed_head.next == (uintptr_t)&cqd->completed_head);
- cc->poller_vtable->destroy(POLLSET_FROM_CQ(cc));
+ cc->poller_vtable->destroy(exec_ctx, POLLSET_FROM_CQ(cc));
cq_event_queue_destroy(&cqd->queue);
#ifndef NDEBUG
gpr_free(cqd->outstanding_tags);
@@ -541,14 +544,16 @@ static void cq_end_op_for_next(grpc_exec_ctx *exec_ctx,
void *done_arg, grpc_cq_completion *storage) {
GPR_TIMER_BEGIN("cq_end_op_for_next", 0);
- if (grpc_api_trace ||
- (grpc_trace_operation_failures && error != GRPC_ERROR_NONE)) {
+ if (GRPC_TRACER_ON(grpc_api_trace) ||
+ (GRPC_TRACER_ON(grpc_trace_operation_failures) &&
+ error != GRPC_ERROR_NONE)) {
const char *errmsg = grpc_error_string(error);
GRPC_API_TRACE(
"cq_end_op_for_next(exec_ctx=%p, cc=%p, tag=%p, error=%s, "
"done=%p, done_arg=%p, storage=%p)",
7, (exec_ctx, cc, tag, errmsg, done, done_arg, storage));
- if (grpc_trace_operation_failures && error != GRPC_ERROR_NONE) {
+ if (GRPC_TRACER_ON(grpc_trace_operation_failures) &&
+ error != GRPC_ERROR_NONE) {
gpr_log(GPR_ERROR, "Operation failed: tag=%p, error=%s", tag, errmsg);
}
}
@@ -706,7 +711,7 @@ static bool cq_is_next_finished(grpc_exec_ctx *exec_ctx, void *arg) {
#ifndef NDEBUG
static void dump_pending_tags(grpc_completion_queue *cc) {
- if (!grpc_trace_pending_tags) return;
+ if (!GRPC_TRACER_ON(grpc_trace_pending_tags)) return;
cq_data *cqd = &cc->data;
@@ -743,8 +748,9 @@ static grpc_event cq_next(grpc_completion_queue *cc, gpr_timespec deadline,
"deadline=gpr_timespec { tv_sec: %" PRId64
", tv_nsec: %d, clock_type: %d }, "
"reserved=%p)",
- 5, (cc, deadline.tv_sec, deadline.tv_nsec, (int)deadline.clock_type,
- reserved));
+ 5,
+ (cc, deadline.tv_sec, deadline.tv_nsec, (int)deadline.clock_type,
+ reserved));
GPR_ASSERT(!reserved);
dump_pending_tags(cc);
@@ -820,19 +826,11 @@ static grpc_event cq_next(grpc_completion_queue *cc, gpr_timespec deadline,
dump_pending_tags(cc);
break;
}
- /* Check alarms - these are a global resource so we just ping
- each time through on every pollset.
- May update deadline to ensure timely wakeups. */
- if (grpc_timer_check(&exec_ctx, now, &iteration_deadline)) {
- GPR_TIMER_MARK("alarm_triggered", 0);
- grpc_exec_ctx_flush(&exec_ctx);
- continue;
- }
/* The main polling work happens in grpc_pollset_work */
gpr_mu_lock(cqd->mu);
grpc_error *err = cc->poller_vtable->work(&exec_ctx, POLLSET_FROM_CQ(cc),
- NULL, now, iteration_deadline);
+ NULL, now, deadline);
gpr_mu_unlock(cqd->mu);
if (err != GRPC_ERROR_NONE) {
@@ -849,7 +847,7 @@ static grpc_event cq_next(grpc_completion_queue *cc, gpr_timespec deadline,
}
GRPC_SURFACE_TRACE_RETURNED_EVENT(cc, &ret);
- GRPC_CQ_INTERNAL_UNREF(cc, "next");
+ GRPC_CQ_INTERNAL_UNREF(&exec_ctx, cc, "next");
grpc_exec_ctx_finish(&exec_ctx);
GPR_ASSERT(is_finished_arg.stolen_completion == NULL);
@@ -932,15 +930,16 @@ static grpc_event cq_pluck(grpc_completion_queue *cc, void *tag,
GPR_TIMER_BEGIN("grpc_completion_queue_pluck", 0);
- if (grpc_cq_pluck_trace) {
+ if (GRPC_TRACER_ON(grpc_cq_pluck_trace)) {
GRPC_API_TRACE(
"grpc_completion_queue_pluck("
"cc=%p, tag=%p, "
"deadline=gpr_timespec { tv_sec: %" PRId64
", tv_nsec: %d, clock_type: %d }, "
"reserved=%p)",
- 6, (cc, tag, deadline.tv_sec, deadline.tv_nsec,
- (int)deadline.clock_type, reserved));
+ 6,
+ (cc, tag, deadline.tv_sec, deadline.tv_nsec, (int)deadline.clock_type,
+ reserved));
}
GPR_ASSERT(!reserved);
@@ -1015,123 +1014,114 @@ static grpc_event cq_pluck(grpc_completion_queue *cc, void *tag,
dump_pending_tags(cc);
break;
}
- /* Check alarms - these are a global resource so we just ping
- each time through on every pollset.
- May update deadline to ensure timely wakeups.
- TODO(ctiller): can this work be localized? */
- gpr_timespec iteration_deadline = deadline;
- if (grpc_timer_check(&exec_ctx, now, &iteration_deadline)) {
- GPR_TIMER_MARK("alarm_triggered", 0);
+
+ grpc_error *err = cc->poller_vtable->work(&exec_ctx, POLLSET_FROM_CQ(cc),
+ &worker, now, deadline);
+ if (err != GRPC_ERROR_NONE) {
+ del_plucker(cc, tag, &worker);
gpr_mu_unlock(cqd->mu);
- grpc_exec_ctx_flush(&exec_ctx);
- gpr_mu_lock(cqd->mu);
- } else {
- grpc_error *err = cc->poller_vtable->work(
- &exec_ctx, POLLSET_FROM_CQ(cc), &worker, now, iteration_deadline);
- if (err != GRPC_ERROR_NONE) {
- del_plucker(cc, tag, &worker);
- gpr_mu_unlock(cqd->mu);
- const char *msg = grpc_error_string(err);
- gpr_log(GPR_ERROR, "Completion queue next failed: %s", msg);
+ const char *msg = grpc_error_string(err);
+ gpr_log(GPR_ERROR, "Completion queue pluck failed: %s", msg);
- GRPC_ERROR_UNREF(err);
- memset(&ret, 0, sizeof(ret));
- ret.type = GRPC_QUEUE_TIMEOUT;
- dump_pending_tags(cc);
- break;
- }
+ GRPC_ERROR_UNREF(err);
+ memset(&ret, 0, sizeof(ret));
+ ret.type = GRPC_QUEUE_TIMEOUT;
+ dump_pending_tags(cc);
+ break;
}
is_finished_arg.first_loop = false;
del_plucker(cc, tag, &worker);
- }
-done:
- GRPC_SURFACE_TRACE_RETURNED_EVENT(cc, &ret);
- GRPC_CQ_INTERNAL_UNREF(cc, "pluck");
- grpc_exec_ctx_finish(&exec_ctx);
- GPR_ASSERT(is_finished_arg.stolen_completion == NULL);
+ done:
+ GRPC_SURFACE_TRACE_RETURNED_EVENT(cc, &ret);
+ GRPC_CQ_INTERNAL_UNREF(&exec_ctx, cc, "pluck");
+ grpc_exec_ctx_finish(&exec_ctx);
+ GPR_ASSERT(is_finished_arg.stolen_completion == NULL);
- GPR_TIMER_END("grpc_completion_queue_pluck", 0);
+ GPR_TIMER_END("grpc_completion_queue_pluck", 0);
- return ret;
-}
-
-grpc_event grpc_completion_queue_pluck(grpc_completion_queue *cc, void *tag,
- gpr_timespec deadline, void *reserved) {
- return cc->vtable->pluck(cc, tag, deadline, reserved);
-}
-
-/* Finishes the completion queue shutdown. This means that there are no more
- completion events / tags expected from the completion queue
- - Must be called under completion queue lock
- - Must be called only once in completion queue's lifetime
- - grpc_completion_queue_shutdown() MUST have been called before calling this
- function */
-static void cq_finish_shutdown(grpc_exec_ctx *exec_ctx,
- grpc_completion_queue *cc) {
- cq_data *cqd = &cc->data;
+ return ret;
+ }
- GPR_ASSERT(cqd->shutdown_called);
- GPR_ASSERT(!gpr_atm_no_barrier_load(&cqd->shutdown));
- gpr_atm_no_barrier_store(&cqd->shutdown, 1);
+ grpc_event grpc_completion_queue_pluck(grpc_completion_queue * cc, void *tag,
+ gpr_timespec deadline,
+ void *reserved) {
+ return cc->vtable->pluck(cc, tag, deadline, reserved);
+ }
- cc->poller_vtable->shutdown(exec_ctx, POLLSET_FROM_CQ(cc),
- &cqd->pollset_shutdown_done);
-}
+ /* Finishes the completion queue shutdown. This means that there are no more
+ completion events / tags expected from the completion queue
+ - Must be called under completion queue lock
+ - Must be called only once in completion queue's lifetime
+ - grpc_completion_queue_shutdown() MUST have been called before calling
+ this function */
+ static void cq_finish_shutdown(grpc_exec_ctx * exec_ctx,
+ grpc_completion_queue * cc) {
+ cq_data *cqd = &cc->data;
+
+ GPR_ASSERT(cqd->shutdown_called);
+ GPR_ASSERT(!gpr_atm_no_barrier_load(&cqd->shutdown));
+ gpr_atm_no_barrier_store(&cqd->shutdown, 1);
+
+ cc->poller_vtable->shutdown(exec_ctx, POLLSET_FROM_CQ(cc),
+ &cqd->pollset_shutdown_done);
+ }
-/* Shutdown simply drops a ref that we reserved at creation time; if we drop
- to zero here, then enter shutdown mode and wake up any waiters */
-void grpc_completion_queue_shutdown(grpc_completion_queue *cc) {
- grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
- GPR_TIMER_BEGIN("grpc_completion_queue_shutdown", 0);
- GRPC_API_TRACE("grpc_completion_queue_shutdown(cc=%p)", 1, (cc));
- cq_data *cqd = &cc->data;
+ /* Shutdown simply drops a ref that we reserved at creation time; if we drop
+ to zero here, then enter shutdown mode and wake up any waiters */
+ void grpc_completion_queue_shutdown(grpc_completion_queue * cc) {
+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+ GPR_TIMER_BEGIN("grpc_completion_queue_shutdown", 0);
+ GRPC_API_TRACE("grpc_completion_queue_shutdown(cc=%p)", 1, (cc));
+ cq_data *cqd = &cc->data;
- gpr_mu_lock(cqd->mu);
- if (cqd->shutdown_called) {
+ gpr_mu_lock(cqd->mu);
+ if (cqd->shutdown_called) {
+ gpr_mu_unlock(cqd->mu);
+ GPR_TIMER_END("grpc_completion_queue_shutdown", 0);
+ return;
+ }
+ cqd->shutdown_called = 1;
+ if (gpr_unref(&cqd->pending_events)) {
+ cq_finish_shutdown(&exec_ctx, cc);
+ }
gpr_mu_unlock(cqd->mu);
+ grpc_exec_ctx_finish(&exec_ctx);
GPR_TIMER_END("grpc_completion_queue_shutdown", 0);
- return;
- }
- cqd->shutdown_called = 1;
- if (gpr_unref(&cqd->pending_events)) {
- cq_finish_shutdown(&exec_ctx, cc);
}
- gpr_mu_unlock(cqd->mu);
- grpc_exec_ctx_finish(&exec_ctx);
- GPR_TIMER_END("grpc_completion_queue_shutdown", 0);
-}
-void grpc_completion_queue_destroy(grpc_completion_queue *cc) {
- GRPC_API_TRACE("grpc_completion_queue_destroy(cc=%p)", 1, (cc));
- GPR_TIMER_BEGIN("grpc_completion_queue_destroy", 0);
- grpc_completion_queue_shutdown(cc);
+ void grpc_completion_queue_destroy(grpc_completion_queue * cc) {
+ GRPC_API_TRACE("grpc_completion_queue_destroy(cc=%p)", 1, (cc));
+ GPR_TIMER_BEGIN("grpc_completion_queue_destroy", 0);
+ grpc_completion_queue_shutdown(cc);
- /* TODO (sreek): This should not ideally be here. Refactor it into the
- * cq_vtable (perhaps have a create/destroy methods in the cq vtable) */
- if (cc->vtable->cq_completion_type == GRPC_CQ_NEXT) {
- GPR_ASSERT(cq_event_queue_num_items(&cc->data.queue) == 0);
- }
+ /* TODO (sreek): This should not ideally be here. Refactor it into the
+ * cq_vtable (perhaps have a create/destroy methods in the cq vtable) */
+ if (cc->vtable->cq_completion_type == GRPC_CQ_NEXT) {
+ GPR_ASSERT(cq_event_queue_num_items(&cc->data.queue) == 0);
+ }
- GRPC_CQ_INTERNAL_UNREF(cc, "destroy");
- GPR_TIMER_END("grpc_completion_queue_destroy", 0);
-}
+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+ GRPC_CQ_INTERNAL_UNREF(&exec_ctx, cc, "destroy");
+ grpc_exec_ctx_finish(&exec_ctx);
+ GPR_TIMER_END("grpc_completion_queue_destroy", 0);
+ }
-grpc_pollset *grpc_cq_pollset(grpc_completion_queue *cc) {
- return cc->poller_vtable->can_get_pollset ? POLLSET_FROM_CQ(cc) : NULL;
-}
+ grpc_pollset *grpc_cq_pollset(grpc_completion_queue * cc) {
+ return cc->poller_vtable->can_get_pollset ? POLLSET_FROM_CQ(cc) : NULL;
+ }
-grpc_completion_queue *grpc_cq_from_pollset(grpc_pollset *ps) {
- return CQ_FROM_POLLSET(ps);
-}
+ grpc_completion_queue *grpc_cq_from_pollset(grpc_pollset * ps) {
+ return CQ_FROM_POLLSET(ps);
+ }
-void grpc_cq_mark_server_cq(grpc_completion_queue *cc) {
- cc->data.is_server_cq = 1;
-}
+ void grpc_cq_mark_server_cq(grpc_completion_queue * cc) {
+ cc->data.is_server_cq = 1;
+ }
-bool grpc_cq_is_server_cq(grpc_completion_queue *cc) {
- return cc->data.is_server_cq;
-}
+ bool grpc_cq_is_server_cq(grpc_completion_queue * cc) {
+ return cc->data.is_server_cq;
+ }
-bool grpc_cq_can_listen(grpc_completion_queue *cc) {
- return cc->poller_vtable->can_listen;
-}
+ bool grpc_cq_can_listen(grpc_completion_queue * cc) {
+ return cc->poller_vtable->can_listen;
+ }
diff --git a/src/core/lib/surface/completion_queue.h b/src/core/lib/surface/completion_queue.h
index f7eb148982bbf931a9c4717785d6df09745cd818..f8beebf943195cf10952d967a4627593334c5d46 100644
--- a/src/core/lib/surface/completion_queue.h
+++ b/src/core/lib/surface/completion_queue.h
@@ -37,15 +37,16 @@
/* Internal API for completion queues */
#include <grpc/grpc.h>
+#include "src/core/lib/debug/trace.h"
#include "src/core/lib/iomgr/pollset.h"
/* These trace flags default to 1. The corresponding lines are only traced
if grpc_api_trace is also truthy */
-extern int grpc_cq_pluck_trace;
-extern int grpc_cq_event_timeout_trace;
-extern int grpc_trace_operation_failures;
+extern grpc_tracer_flag grpc_cq_pluck_trace;
+extern grpc_tracer_flag grpc_cq_event_timeout_trace;
+extern grpc_tracer_flag grpc_trace_operation_failures;
#ifndef NDEBUG
-extern int grpc_trace_pending_tags;
+extern grpc_tracer_flag grpc_trace_pending_tags;
#endif
typedef struct grpc_cq_completion {
@@ -67,17 +68,17 @@ typedef struct grpc_cq_completion {
#ifdef GRPC_CQ_REF_COUNT_DEBUG
void grpc_cq_internal_ref(grpc_completion_queue *cc, const char *reason,
const char *file, int line);
-void grpc_cq_internal_unref(grpc_completion_queue *cc, const char *reason,
- const char *file, int line);
+void grpc_cq_internal_unref(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc,
+ const char *reason, const char *file, int line);
#define GRPC_CQ_INTERNAL_REF(cc, reason) \
grpc_cq_internal_ref(cc, reason, __FILE__, __LINE__)
-#define GRPC_CQ_INTERNAL_UNREF(cc, reason) \
- grpc_cq_internal_unref(cc, reason, __FILE__, __LINE__)
+#define GRPC_CQ_INTERNAL_UNREF(ec, cc, reason) \
+ grpc_cq_internal_unref(ec, cc, reason, __FILE__, __LINE__)
#else
void grpc_cq_internal_ref(grpc_completion_queue *cc);
-void grpc_cq_internal_unref(grpc_completion_queue *cc);
+void grpc_cq_internal_unref(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc);
#define GRPC_CQ_INTERNAL_REF(cc, reason) grpc_cq_internal_ref(cc)
-#define GRPC_CQ_INTERNAL_UNREF(cc, reason) grpc_cq_internal_unref(cc)
+#define GRPC_CQ_INTERNAL_UNREF(ec, cc, reason) grpc_cq_internal_unref(ec, cc)
#endif
/* Flag that an operation is beginning: the completion channel will not finish
diff --git a/src/core/lib/surface/init.c b/src/core/lib/surface/init.c
index 4b381b19546d32eed9a0ad0eebd400fe391f822f..6163776152b534a6f8074a625ae463ade0f86131 100644
--- a/src/core/lib/surface/init.c
+++ b/src/core/lib/surface/init.c
@@ -145,10 +145,8 @@ void grpc_init(void) {
grpc_register_tracer("server_channel", &grpc_server_channel_trace);
grpc_register_tracer("bdp_estimator", &grpc_bdp_estimator_trace);
// Default pluck trace to 1
- grpc_cq_pluck_trace = 1;
grpc_register_tracer("queue_timeout", &grpc_cq_event_timeout_trace);
// Default timeout trace to 1
- grpc_cq_event_timeout_trace = 1;
grpc_register_tracer("op_failure", &grpc_trace_operation_failures);
grpc_register_tracer("resource_quota", &grpc_resource_quota_trace);
grpc_register_tracer("call_error", &grpc_call_error_trace);
@@ -173,6 +171,7 @@ void grpc_init(void) {
grpc_tracer_init("GRPC_TRACE");
/* no more changes to channel init pipelines */
grpc_channel_init_finalize();
+ grpc_iomgr_start();
}
gpr_mu_unlock(&g_init_mu);
GRPC_API_TRACE("grpc_init(void)", 0, ());
diff --git a/src/core/lib/surface/server.c b/src/core/lib/surface/server.c
index 934ca0431a6f2349232712fc4b8464c6201494b9..560229e892cdcf4a005256e24e7ae56f66ca726a 100644
--- a/src/core/lib/surface/server.c
+++ b/src/core/lib/surface/server.c
@@ -73,7 +73,7 @@ typedef struct registered_method registered_method;
typedef enum { BATCH_CALL, REGISTERED_CALL } requested_call_type;
-int grpc_server_channel_trace = 0;
+grpc_tracer_flag grpc_server_channel_trace = GRPC_TRACER_INITIALIZER(false);
typedef struct requested_call {
requested_call_type type;
@@ -408,7 +408,7 @@ static void server_delete(grpc_exec_ctx *exec_ctx, grpc_server *server) {
request_matcher_destroy(&server->unregistered_request_matcher);
}
for (i = 0; i < server->cq_count; i++) {
- GRPC_CQ_INTERNAL_UNREF(server->cqs[i], "server");
+ GRPC_CQ_INTERNAL_UNREF(exec_ctx, server->cqs[i], "server");
if (server->started) {
gpr_stack_lockfree_destroy(server->request_freelist_per_cq[i]);
gpr_free(server->requested_calls_per_cq[i]);
@@ -456,7 +456,7 @@ static void destroy_channel(grpc_exec_ctx *exec_ctx, channel_data *chand,
grpc_closure_init(&chand->finish_destroy_channel_closure,
finish_destroy_channel, chand, grpc_schedule_on_exec_ctx);
- if (grpc_server_channel_trace && error != GRPC_ERROR_NONE) {
+ if (GRPC_TRACER_ON(grpc_server_channel_trace) && error != GRPC_ERROR_NONE) {
const char *msg = grpc_error_string(error);
gpr_log(GPR_INFO, "Disconnected client: %s", msg);
}
diff --git a/src/core/lib/surface/server.h b/src/core/lib/surface/server.h
index a85d9f4964cc80f84652aefc31209d93963e430f..cd2fca0fe02d3158a09eaefeff9262e5c3ef83ce 100644
--- a/src/core/lib/surface/server.h
+++ b/src/core/lib/surface/server.h
@@ -36,12 +36,13 @@
#include <grpc/grpc.h>
#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/debug/trace.h"
#include "src/core/lib/transport/transport.h"
extern const grpc_channel_filter grpc_server_top_filter;
/** Lightweight tracing of server channel state */
-extern int grpc_server_channel_trace;
+extern grpc_tracer_flag grpc_server_channel_trace;
/* Add a listener to the server: when the server starts, it will call start,
and when it shuts down, it will call destroy */
diff --git a/src/core/lib/transport/bdp_estimator.c b/src/core/lib/transport/bdp_estimator.c
index 536694214e2ee88f76323c48e4553ca9f35cc0ad..da8019d98bddc499b9cdca53ae450f5b6ba77a75 100644
--- a/src/core/lib/transport/bdp_estimator.c
+++ b/src/core/lib/transport/bdp_estimator.c
@@ -38,7 +38,7 @@
#include <grpc/support/log.h>
#include <grpc/support/useful.h>
-int grpc_bdp_estimator_trace = 0;
+grpc_tracer_flag grpc_bdp_estimator_trace = GRPC_TRACER_INITIALIZER(false);
void grpc_bdp_estimator_init(grpc_bdp_estimator *estimator, const char *name) {
estimator->estimate = 65536;
@@ -68,7 +68,7 @@ bool grpc_bdp_estimator_add_incoming_bytes(grpc_bdp_estimator *estimator,
}
void grpc_bdp_estimator_schedule_ping(grpc_bdp_estimator *estimator) {
- if (grpc_bdp_estimator_trace) {
+ if (GRPC_TRACER_ON(grpc_bdp_estimator_trace)) {
gpr_log(GPR_DEBUG, "bdp[%s]:sched acc=%" PRId64 " est=%" PRId64,
estimator->name, estimator->accumulator, estimator->estimate);
}
@@ -78,7 +78,7 @@ void grpc_bdp_estimator_schedule_ping(grpc_bdp_estimator *estimator) {
}
void grpc_bdp_estimator_start_ping(grpc_bdp_estimator *estimator) {
- if (grpc_bdp_estimator_trace) {
+ if (GRPC_TRACER_ON(grpc_bdp_estimator_trace)) {
gpr_log(GPR_DEBUG, "bdp[%s]:start acc=%" PRId64 " est=%" PRId64,
estimator->name, estimator->accumulator, estimator->estimate);
}
@@ -93,7 +93,7 @@ void grpc_bdp_estimator_complete_ping(grpc_bdp_estimator *estimator) {
gpr_time_sub(gpr_now(GPR_CLOCK_MONOTONIC), estimator->ping_start_time);
double dt = (double)dt_ts.tv_sec + 1e-9 * (double)dt_ts.tv_nsec;
double bw = dt > 0 ? ((double)estimator->accumulator / dt) : 0;
- if (grpc_bdp_estimator_trace) {
+ if (GRPC_TRACER_ON(grpc_bdp_estimator_trace)) {
gpr_log(GPR_DEBUG, "bdp[%s]:complete acc=%" PRId64 " est=%" PRId64
" dt=%lf bw=%lfMbs bw_est=%lfMbs",
estimator->name, estimator->accumulator, estimator->estimate, dt,
@@ -105,7 +105,7 @@ void grpc_bdp_estimator_complete_ping(grpc_bdp_estimator *estimator) {
estimator->estimate =
GPR_MAX(estimator->accumulator, estimator->estimate * 2);
estimator->bw_est = bw;
- if (grpc_bdp_estimator_trace) {
+ if (GRPC_TRACER_ON(grpc_bdp_estimator_trace)) {
gpr_log(GPR_DEBUG, "bdp[%s]: estimate increased to %" PRId64,
estimator->name, estimator->estimate);
}
diff --git a/src/core/lib/transport/bdp_estimator.h b/src/core/lib/transport/bdp_estimator.h
index 752bee1abda60817bcd7b673fc0c57ff5c7e7b34..135376edd7f81ceca9bd55f6abe8e37bcf4febb1 100644
--- a/src/core/lib/transport/bdp_estimator.h
+++ b/src/core/lib/transport/bdp_estimator.h
@@ -37,11 +37,12 @@
#include <grpc/support/time.h>
#include <stdbool.h>
#include <stdint.h>
+#include "src/core/lib/debug/trace.h"
#define GRPC_BDP_SAMPLES 16
#define GRPC_BDP_MIN_SAMPLES_FOR_ESTIMATE 3
-extern int grpc_bdp_estimator_trace;
+extern grpc_tracer_flag grpc_bdp_estimator_trace;
typedef enum {
GRPC_BDP_PING_UNSCHEDULED,
diff --git a/src/core/lib/transport/connectivity_state.c b/src/core/lib/transport/connectivity_state.c
index 3757b252676850f460f9474bf1daf6742270f8f2..e30cd523fa44f951b08ad8484e06c64312d059a6 100644
--- a/src/core/lib/transport/connectivity_state.c
+++ b/src/core/lib/transport/connectivity_state.c
@@ -39,7 +39,7 @@
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
-int grpc_connectivity_state_trace = 0;
+grpc_tracer_flag grpc_connectivity_state_trace = GRPC_TRACER_INITIALIZER(false);
const char *grpc_connectivity_state_name(grpc_connectivity_state state) {
switch (state) {
@@ -94,7 +94,7 @@ grpc_connectivity_state grpc_connectivity_state_check(
grpc_connectivity_state cur =
(grpc_connectivity_state)gpr_atm_no_barrier_load(
&tracker->current_state_atm);
- if (grpc_connectivity_state_trace) {
+ if (GRPC_TRACER_ON(grpc_connectivity_state_trace)) {
gpr_log(GPR_DEBUG, "CONWATCH: %p %s: get %s", tracker, tracker->name,
grpc_connectivity_state_name(cur));
}
@@ -106,7 +106,7 @@ grpc_connectivity_state grpc_connectivity_state_get(
grpc_connectivity_state cur =
(grpc_connectivity_state)gpr_atm_no_barrier_load(
&tracker->current_state_atm);
- if (grpc_connectivity_state_trace) {
+ if (GRPC_TRACER_ON(grpc_connectivity_state_trace)) {
gpr_log(GPR_DEBUG, "CONWATCH: %p %s: get %s", tracker, tracker->name,
grpc_connectivity_state_name(cur));
}
@@ -127,7 +127,7 @@ bool grpc_connectivity_state_notify_on_state_change(
grpc_connectivity_state cur =
(grpc_connectivity_state)gpr_atm_no_barrier_load(
&tracker->current_state_atm);
- if (grpc_connectivity_state_trace) {
+ if (GRPC_TRACER_ON(grpc_connectivity_state_trace)) {
if (current == NULL) {
gpr_log(GPR_DEBUG, "CONWATCH: %p %s: unsubscribe notify=%p", tracker,
tracker->name, notify);
@@ -180,7 +180,7 @@ void grpc_connectivity_state_set(grpc_exec_ctx *exec_ctx,
(grpc_connectivity_state)gpr_atm_no_barrier_load(
&tracker->current_state_atm);
grpc_connectivity_state_watcher *w;
- if (grpc_connectivity_state_trace) {
+ if (GRPC_TRACER_ON(grpc_connectivity_state_trace)) {
const char *error_string = grpc_error_string(error);
gpr_log(GPR_DEBUG, "SET: %p %s: %s --> %s [%s] error=%p %s", tracker,
tracker->name, grpc_connectivity_state_name(cur),
@@ -208,7 +208,7 @@ void grpc_connectivity_state_set(grpc_exec_ctx *exec_ctx,
while ((w = tracker->watchers) != NULL) {
*w->current = state;
tracker->watchers = w->next;
- if (grpc_connectivity_state_trace) {
+ if (GRPC_TRACER_ON(grpc_connectivity_state_trace)) {
gpr_log(GPR_DEBUG, "NOTIFY: %p %s: %p", tracker, tracker->name,
w->notify);
}
diff --git a/src/core/lib/transport/connectivity_state.h b/src/core/lib/transport/connectivity_state.h
index c9604c34dda6dd26a9e187decb0c2b344c628616..cdc2930c11cc375ea73f3596f5769960d88224d0 100644
--- a/src/core/lib/transport/connectivity_state.h
+++ b/src/core/lib/transport/connectivity_state.h
@@ -35,6 +35,7 @@
#define GRPC_CORE_LIB_TRANSPORT_CONNECTIVITY_STATE_H
#include <grpc/grpc.h>
+#include "src/core/lib/debug/trace.h"
#include "src/core/lib/iomgr/exec_ctx.h"
typedef struct grpc_connectivity_state_watcher {
@@ -57,7 +58,7 @@ typedef struct {
char *name;
} grpc_connectivity_state_tracker;
-extern int grpc_connectivity_state_trace;
+extern grpc_tracer_flag grpc_connectivity_state_trace;
/** enum --> string conversion */
const char *grpc_connectivity_state_name(grpc_connectivity_state state);
diff --git a/src/core/tsi/fake_transport_security.c b/src/core/tsi/fake_transport_security.c
index 1836beefc421f6c213010bd0b073f779ff9f07f1..4925d19f96e2d6f0c64e4d1916be424371c68adb 100644
--- a/src/core/tsi/fake_transport_security.c
+++ b/src/core/tsi/fake_transport_security.c
@@ -396,7 +396,7 @@ static tsi_result fake_handshaker_get_bytes_to_send_to_peer(
if (next_message_to_send > TSI_FAKE_HANDSHAKE_MESSAGE_MAX) {
next_message_to_send = TSI_FAKE_HANDSHAKE_MESSAGE_MAX;
}
- if (tsi_tracing_enabled) {
+ if (GRPC_TRACER_ON(tsi_tracing_enabled)) {
gpr_log(GPR_INFO, "%s prepared %s.",
impl->is_client ? "Client" : "Server",
tsi_fake_handshake_message_to_string(impl->next_message_to_send));
@@ -408,7 +408,7 @@ static tsi_result fake_handshaker_get_bytes_to_send_to_peer(
if (!impl->is_client &&
impl->next_message_to_send == TSI_FAKE_HANDSHAKE_MESSAGE_MAX) {
/* We're done. */
- if (tsi_tracing_enabled) {
+ if (GRPC_TRACER_ON(tsi_tracing_enabled)) {
gpr_log(GPR_INFO, "Server is done.");
}
impl->result = TSI_OK;
@@ -445,7 +445,7 @@ static tsi_result fake_handshaker_process_bytes_from_peer(
tsi_fake_handshake_message_to_string(received_msg),
tsi_fake_handshake_message_to_string(expected_msg));
}
- if (tsi_tracing_enabled) {
+ if (GRPC_TRACER_ON(tsi_tracing_enabled)) {
gpr_log(GPR_INFO, "%s received %s.", impl->is_client ? "Client" : "Server",
tsi_fake_handshake_message_to_string(received_msg));
}
@@ -453,7 +453,7 @@ static tsi_result fake_handshaker_process_bytes_from_peer(
impl->needs_incoming_message = 0;
if (impl->next_message_to_send == TSI_FAKE_HANDSHAKE_MESSAGE_MAX) {
/* We're done. */
- if (tsi_tracing_enabled) {
+ if (GRPC_TRACER_ON(tsi_tracing_enabled)) {
gpr_log(GPR_INFO, "%s is done.", impl->is_client ? "Client" : "Server");
}
impl->result = TSI_OK;
diff --git a/src/core/tsi/ssl_transport_security.c b/src/core/tsi/ssl_transport_security.c
index e1d634a1fa445debefdab856fe34d105ebe1244e..59fd2b1c93a7ee1e4eb8d1c44cc9123b79c36c7f 100644
--- a/src/core/tsi/ssl_transport_security.c
+++ b/src/core/tsi/ssl_transport_security.c
@@ -180,7 +180,7 @@ static const char *ssl_error_string(int error) {
/* TODO(jboeuf): Remove when we are past the debugging phase with this code. */
static void ssl_log_where_info(const SSL *ssl, int where, int flag,
const char *msg) {
- if ((where & flag) && tsi_tracing_enabled) {
+ if ((where & flag) && GRPC_TRACER_ON(tsi_tracing_enabled)) {
gpr_log(GPR_INFO, "%20.20s - %30.30s - %5.10s", msg,
SSL_state_string_long(ssl), SSL_state_string(ssl));
}
diff --git a/src/core/tsi/transport_security.c b/src/core/tsi/transport_security.c
index b11c00c43c43434c21012fceed7f623ad59902f8..4efcf8f43d8668db95ef74419094f14d9280e659 100644
--- a/src/core/tsi/transport_security.c
+++ b/src/core/tsi/transport_security.c
@@ -41,7 +41,7 @@
/* --- Tracing. --- */
-int tsi_tracing_enabled = 0;
+grpc_tracer_flag tsi_tracing_enabled = GRPC_TRACER_INITIALIZER(false);
/* --- tsi_result common implementation. --- */
diff --git a/src/core/tsi/transport_security.h b/src/core/tsi/transport_security.h
index a4c9cbc00111e68238cb87ac38968f694796b2b2..2422f9207674cceff710b81f80757989c1ce379c 100644
--- a/src/core/tsi/transport_security.h
+++ b/src/core/tsi/transport_security.h
@@ -36,13 +36,14 @@
#include <stdbool.h>
+#include "src/core/lib/debug/trace.h"
#include "src/core/tsi/transport_security_interface.h"
#ifdef __cplusplus
extern "C" {
#endif
-extern int tsi_tracing_enabled;
+extern grpc_tracer_flag tsi_tracing_enabled;
/* Base for tsi_frame_protector implementations.
See transport_security_interface.h for documentation. */
diff --git a/src/core/tsi/transport_security_interface.h b/src/core/tsi/transport_security_interface.h
index f2112b62b6764e29dec1bcaee1b1425d50636d4c..8a3fff6a17064bebc6fff681d4605ca25ef72a21 100644
--- a/src/core/tsi/transport_security_interface.h
+++ b/src/core/tsi/transport_security_interface.h
@@ -37,6 +37,8 @@
#include <stdint.h>
#include <stdlib.h>
+#include "src/core/lib/debug/trace.h"
+
#ifdef __cplusplus
extern "C" {
#endif
@@ -73,8 +75,7 @@ const char *tsi_result_to_string(tsi_result result);
/* --- tsi tracing --- */
-/* Set this early to avoid races */
-extern int tsi_tracing_enabled;
+extern grpc_tracer_flag tsi_tracing_enabled;
/* --- tsi_frame_protector object ---
diff --git a/src/cpp/server/server_cc.cc b/src/cpp/server/server_cc.cc
index b4d6961db890fdaa944e67d62ab5d8479083c633..2f89aa3dce10044705271db6ac6d5d1e9691eae1 100644
--- a/src/cpp/server/server_cc.cc
+++ b/src/cpp/server/server_cc.cc
@@ -521,7 +521,7 @@ void Server::Start(ServerCompletionQueue** cqs, size_t num_cqs) {
if (health_check_service_ == nullptr && !health_check_service_disabled_ &&
DefaultHealthCheckServiceEnabled()) {
if (sync_server_cqs_->empty()) {
- gpr_log(GPR_ERROR,
+ gpr_log(GPR_INFO,
"Default health check service disabled at async-only server.");
} else {
auto* default_hc_service = new DefaultHealthCheckService;
diff --git a/src/python/grpcio/grpc/__init__.py b/src/python/grpcio/grpc/__init__.py
index 2952dcd36a98577b6b1d93cba4564d37e4a5fd91..5426b47c76185f75774e6006ae5125b1c08fd708 100644
--- a/src/python/grpcio/grpc/__init__.py
+++ b/src/python/grpcio/grpc/__init__.py
@@ -776,6 +776,42 @@ class ServicerContext(six.with_metaclass(abc.ABCMeta, RpcContext)):
"""
raise NotImplementedError()
+ @abc.abstractmethod
+ def peer_identities(self):
+ """Gets one or more peer identity(s).
+
+ Equivalent to
+ servicer_context.auth_context().get(
+ servicer_context.peer_identity_key())
+
+ Returns:
+ An iterable of the identities, or None if the call is not authenticated.
+ Each identity is returned as a raw bytes type.
+ """
+ raise NotImplementedError()
+
+ @abc.abstractmethod
+ def peer_identity_key(self):
+ """The auth property used to identify the peer.
+
+ For example, "x509_common_name" or "x509_subject_alternative_name" are
+ used to identify an SSL peer.
+
+ Returns:
+ The auth property (string) that indicates the
+ peer identity, or None if the call is not authenticated.
+ """
+ raise NotImplementedError()
+
+ @abc.abstractmethod
+ def auth_context(self):
+ """Gets the auth context for the call.
+
+ Returns:
+ A map of strings to an iterable of bytes for each auth property.
+ """
+ raise NotImplementedError()
+
@abc.abstractmethod
def send_initial_metadata(self, initial_metadata):
"""Sends the initial metadata value to the client.
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi
index 1db2056d476a70394eb5cb49f46307dc5d526158..e71d3e7dc1c1658f1d02ee8613f7f4de75b6f47f 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxi
@@ -486,6 +486,35 @@ cdef extern from "grpc/grpc_security.h":
grpc_call_credentials *grpc_metadata_credentials_create_from_plugin(
grpc_metadata_credentials_plugin plugin, void *reserved) nogil
+ ctypedef struct grpc_auth_property_iterator:
+ pass
+
+ ctypedef struct grpc_auth_property:
+ char *name
+ char *value
+ size_t value_length
+
+ grpc_auth_property *grpc_auth_property_iterator_next(
+ grpc_auth_property_iterator *it)
+
+ grpc_auth_property_iterator grpc_auth_context_property_iterator(
+ const grpc_auth_context *ctx)
+
+ grpc_auth_property_iterator grpc_auth_context_peer_identity(
+ const grpc_auth_context *ctx)
+
+ char *grpc_auth_context_peer_identity_property_name(
+ const grpc_auth_context *ctx)
+
+ grpc_auth_property_iterator grpc_auth_context_find_properties_by_name(
+ const grpc_auth_context *ctx, const char *name)
+
+ grpc_auth_context_peer_is_authenticated(
+ const grpc_auth_context *ctx)
+
+ grpc_auth_context *grpc_call_auth_context(grpc_call *call)
+
+ void grpc_auth_context_release(grpc_auth_context *context)
cdef extern from "grpc/compression.h":
diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/security.pyx.pxi b/src/python/grpcio/grpc/_cython/_cygrpc/security.pyx.pxi
index 357b0330d5ce7c9295f74d298dbed33c8de79c4d..a21eac79951004f3946e8afae17a9d2e18568dc7 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/security.pyx.pxi
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/security.pyx.pxi
@@ -44,3 +44,61 @@ cdef grpc_ssl_roots_override_result ssl_roots_override_callback(
pem_root_certs[0][len(temporary_pem_root_certs)] = '\0'
return GRPC_SSL_ROOTS_OVERRIDE_OK
+
+
+def peer_identities(Call call):
+ cdef grpc_auth_context* auth_context
+ cdef grpc_auth_property_iterator properties
+ cdef grpc_auth_property* property
+
+ auth_context = grpc_call_auth_context(call.c_call)
+ if auth_context == NULL:
+ return None
+ properties = grpc_auth_context_peer_identity(auth_context)
+ identities = []
+ while True:
+ property = grpc_auth_property_iterator_next(&properties)
+ if property == NULL:
+ break
+ if property.value != NULL:
+ identities.append(<bytes>(property.value))
+ grpc_auth_context_release(auth_context)
+ return identities if identities else None
+
+def peer_identity_key(Call call):
+ cdef grpc_auth_context* auth_context
+ cdef char* c_key
+ auth_context = grpc_call_auth_context(call.c_call)
+ if auth_context == NULL:
+ return None
+ c_key = grpc_auth_context_peer_identity_property_name(auth_context)
+ if c_key == NULL:
+ key = None
+ else:
+ key = <bytes> grpc_auth_context_peer_identity_property_name(auth_context)
+ grpc_auth_context_release(auth_context)
+ return key
+
+def auth_context(Call call):
+ cdef grpc_auth_context* auth_context
+ cdef grpc_auth_property_iterator properties
+ cdef grpc_auth_property* property
+
+ auth_context = grpc_call_auth_context(call.c_call)
+ if auth_context == NULL:
+ return {}
+ properties = grpc_auth_context_property_iterator(auth_context)
+ py_auth_context = {}
+ while True:
+ property = grpc_auth_property_iterator_next(&properties)
+ if property == NULL:
+ break
+ if property.name != NULL and property.value != NULL:
+ key = <bytes> property.name
+ if key in py_auth_context:
+ py_auth_context[key].append(<bytes>(property.value))
+ else:
+ py_auth_context[key] = [<bytes> property.value]
+ grpc_auth_context_release(auth_context)
+ return py_auth_context
+
diff --git a/src/python/grpcio/grpc/_server.py b/src/python/grpcio/grpc/_server.py
index f29c44a4cfd3e35b9dfbc01b08f2cfe882423172..860085f0c7ee0ebde58cafa1768fb8912e262872 100644
--- a/src/python/grpcio/grpc/_server.py
+++ b/src/python/grpcio/grpc/_server.py
@@ -31,6 +31,7 @@
import collections
import enum
import logging
+import six
import threading
import time
@@ -255,6 +256,20 @@ class _Context(grpc.ServicerContext):
def peer(self):
return _common.decode(self._rpc_event.operation_call.peer())
+ def peer_identities(self):
+ return cygrpc.peer_identities(self._rpc_event.operation_call)
+
+ def peer_identity_key(self):
+ id_key = cygrpc.peer_identity_key(self._rpc_event.operation_call)
+ return id_key if id_key is None else _common.decode(id_key)
+
+ def auth_context(self):
+ return {
+ _common.decode(key): value
+ for key, value in six.iteritems(
+ cygrpc.auth_context(self._rpc_event.operation_call))
+ }
+
def send_initial_metadata(self, initial_metadata):
with self._state.condition:
if self._state.client is _CANCELLED:
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index 42c13b2cb63664cf7731cc1bd56d119055d279b9..dd2e550f7293b15ffe286b2abd04068027f8fa82 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -86,7 +86,6 @@ CORE_SOURCE_FILES = [
'src/core/lib/channel/handshaker_registry.c',
'src/core/lib/compression/compression.c',
'src/core/lib/compression/message_compress.c',
- 'src/core/lib/debug/trace.c',
'src/core/lib/http/format_request.c',
'src/core/lib/http/httpcli.c',
'src/core/lib/http/parser.c',
@@ -97,7 +96,11 @@ CORE_SOURCE_FILES = [
'src/core/lib/iomgr/endpoint_pair_uv.c',
'src/core/lib/iomgr/endpoint_pair_windows.c',
'src/core/lib/iomgr/error.c',
- 'src/core/lib/iomgr/ev_epoll_linux.c',
+ 'src/core/lib/iomgr/ev_epoll1_linux.c',
+ 'src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c',
+ 'src/core/lib/iomgr/ev_epoll_thread_pool_linux.c',
+ 'src/core/lib/iomgr/ev_epollex_linux.c',
+ 'src/core/lib/iomgr/ev_epollsig_linux.c',
'src/core/lib/iomgr/ev_poll_posix.c',
'src/core/lib/iomgr/ev_posix.c',
'src/core/lib/iomgr/exec_ctx.c',
@@ -107,6 +110,7 @@ CORE_SOURCE_FILES = [
'src/core/lib/iomgr/iomgr_posix.c',
'src/core/lib/iomgr/iomgr_uv.c',
'src/core/lib/iomgr/iomgr_windows.c',
+ 'src/core/lib/iomgr/is_epollexclusive_available.c',
'src/core/lib/iomgr/load_file.c',
'src/core/lib/iomgr/lockfree_event.c',
'src/core/lib/iomgr/network_status_tracker.c',
@@ -143,6 +147,7 @@ CORE_SOURCE_FILES = [
'src/core/lib/iomgr/time_averaged_stats.c',
'src/core/lib/iomgr/timer_generic.c',
'src/core/lib/iomgr/timer_heap.c',
+ 'src/core/lib/iomgr/timer_manager.c',
'src/core/lib/iomgr/timer_uv.c',
'src/core/lib/iomgr/udp_server.c',
'src/core/lib/iomgr/unix_sockets_posix.c',
@@ -197,6 +202,7 @@ CORE_SOURCE_FILES = [
'src/core/lib/transport/timeout_encoding.c',
'src/core/lib/transport/transport.c',
'src/core/lib/transport/transport_op_string.c',
+ 'src/core/lib/debug/trace.c',
'src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c',
'src/core/ext/transport/chttp2/transport/bin_decoder.c',
'src/core/ext/transport/chttp2/transport/bin_encoder.c',
diff --git a/src/python/grpcio_tests/tests/tests.json b/src/python/grpcio_tests/tests/tests.json
index f750b0510220ee7078896ba7f88503617c1cdbb5..9f7587faa667e4ab460dd1bb27e8709a778f34ea 100644
--- a/src/python/grpcio_tests/tests/tests.json
+++ b/src/python/grpcio_tests/tests/tests.json
@@ -12,6 +12,7 @@
"unit._api_test.AllTest",
"unit._api_test.ChannelConnectivityTest",
"unit._api_test.ChannelTest",
+ "unit._auth_context_test.AuthContextTest",
"unit._auth_test.AccessTokenCallCredentialsTest",
"unit._auth_test.GoogleCallCredentialsTest",
"unit._channel_args_test.ChannelArgsTest",
diff --git a/src/python/grpcio_tests/tests/unit/_auth_context_test.py b/src/python/grpcio_tests/tests/unit/_auth_context_test.py
new file mode 100644
index 0000000000000000000000000000000000000000..fce6ac967dbd57890a5dbb07c22d6738b443aa22
--- /dev/null
+++ b/src/python/grpcio_tests/tests/unit/_auth_context_test.py
@@ -0,0 +1,154 @@
+# Copyright 2017, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+# * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+"""Tests exposure of SSL auth context"""
+
+import pickle
+import unittest
+
+import grpc
+from grpc import _channel
+from grpc.framework.foundation import logging_pool
+import six
+
+from tests.unit import test_common
+from tests.unit.framework.common import test_constants
+from tests.unit import resources
+
+_REQUEST = b'\x00\x00\x00'
+_RESPONSE = b'\x00\x00\x00'
+
+_UNARY_UNARY = '/test/UnaryUnary'
+
+_SERVER_HOST_OVERRIDE = 'foo.test.google.fr'
+_CLIENT_IDS = (b'*.test.google.fr', b'waterzooi.test.google.be',
+ b'*.test.youtube.com', b'192.168.1.3',)
+_ID = 'id'
+_ID_KEY = 'id_key'
+_AUTH_CTX = 'auth_ctx'
+
+_PRIVATE_KEY = resources.private_key()
+_CERTIFICATE_CHAIN = resources.certificate_chain()
+_TEST_ROOT_CERTIFICATES = resources.test_root_certificates()
+_SERVER_CERTS = ((_PRIVATE_KEY, _CERTIFICATE_CHAIN),)
+_PROPERTY_OPTIONS = (('grpc.ssl_target_name_override', _SERVER_HOST_OVERRIDE,),)
+
+
+def handle_unary_unary(request, servicer_context):
+ return pickle.dumps({
+ _ID: servicer_context.peer_identities(),
+ _ID_KEY: servicer_context.peer_identity_key(),
+ _AUTH_CTX: servicer_context.auth_context()
+ })
+
+
+class AuthContextTest(unittest.TestCase):
+
+ def testInsecure(self):
+ server_pool = logging_pool.pool(test_constants.THREAD_CONCURRENCY)
+ handler = grpc.method_handlers_generic_handler('test', {
+ 'UnaryUnary':
+ grpc.unary_unary_rpc_method_handler(handle_unary_unary)
+ })
+ server = grpc.server(server_pool, (handler,))
+ port = server.add_insecure_port('[::]:0')
+ server.start()
+
+ channel = grpc.insecure_channel('localhost:%d' % port)
+ response = channel.unary_unary(_UNARY_UNARY)(_REQUEST)
+ server.stop(None)
+
+ auth_data = pickle.loads(response)
+ self.assertIsNone(auth_data[_ID])
+ self.assertIsNone(auth_data[_ID_KEY])
+ self.assertDictEqual({}, auth_data[_AUTH_CTX])
+
+ def testSecureNoCert(self):
+ server_pool = logging_pool.pool(test_constants.THREAD_CONCURRENCY)
+ handler = grpc.method_handlers_generic_handler('test', {
+ 'UnaryUnary':
+ grpc.unary_unary_rpc_method_handler(handle_unary_unary)
+ })
+ server = grpc.server(server_pool, (handler,))
+ server_cred = grpc.ssl_server_credentials(_SERVER_CERTS)
+ port = server.add_secure_port('[::]:0', server_cred)
+ server.start()
+
+ channel_creds = grpc.ssl_channel_credentials(
+ root_certificates=_TEST_ROOT_CERTIFICATES)
+ channel = grpc.secure_channel(
+ 'localhost:{}'.format(port),
+ channel_creds,
+ options=_PROPERTY_OPTIONS)
+ response = channel.unary_unary(_UNARY_UNARY)(_REQUEST)
+ server.stop(None)
+
+ auth_data = pickle.loads(response)
+ self.assertIsNone(auth_data[_ID])
+ self.assertIsNone(auth_data[_ID_KEY])
+ self.assertDictEqual({
+ 'transport_security_type': [b'ssl']
+ }, auth_data[_AUTH_CTX])
+
+ def testSecureClientCert(self):
+ server_pool = logging_pool.pool(test_constants.THREAD_CONCURRENCY)
+ handler = grpc.method_handlers_generic_handler('test', {
+ 'UnaryUnary':
+ grpc.unary_unary_rpc_method_handler(handle_unary_unary)
+ })
+ server = grpc.server(server_pool, (handler,))
+ server_cred = grpc.ssl_server_credentials(
+ _SERVER_CERTS,
+ root_certificates=_TEST_ROOT_CERTIFICATES,
+ require_client_auth=True)
+ port = server.add_secure_port('[::]:0', server_cred)
+ server.start()
+
+ channel_creds = grpc.ssl_channel_credentials(
+ root_certificates=_TEST_ROOT_CERTIFICATES,
+ private_key=_PRIVATE_KEY,
+ certificate_chain=_CERTIFICATE_CHAIN)
+ channel = grpc.secure_channel(
+ 'localhost:{}'.format(port),
+ channel_creds,
+ options=_PROPERTY_OPTIONS)
+
+ response = channel.unary_unary(_UNARY_UNARY)(_REQUEST)
+ server.stop(None)
+
+ auth_data = pickle.loads(response)
+ auth_ctx = auth_data[_AUTH_CTX]
+ six.assertCountEqual(self, _CLIENT_IDS, auth_data[_ID])
+ self.assertEqual('x509_subject_alternative_name', auth_data[_ID_KEY])
+ self.assertSequenceEqual([b'ssl'], auth_ctx['transport_security_type'])
+ self.assertSequenceEqual([b'*.test.google.com'],
+ auth_ctx['x509_common_name'])
+
+
+if __name__ == '__main__':
+ unittest.main(verbosity=2)
diff --git a/templates/Makefile.template b/templates/Makefile.template
index 5ce606f8280145c3c1832777d628d78af89e4504..a9dd171b8410048475abb8fe3fdd92c499710fb3 100644
--- a/templates/Makefile.template
+++ b/templates/Makefile.template
@@ -206,10 +206,6 @@
TMPOUT = `mktemp /tmp/test-out-XXXXXX`
endif
- # Detect if we can use C++11
- CXX11_CHECK_CMD = $(CXX) -std=c++11 -o $(TMPOUT) -c test/build/c++11.cc
- HAS_CXX11 = $(shell $(CXX11_CHECK_CMD) 2> /dev/null && echo true || echo false)
-
%for warning in CHECK_WARNINGS:
${warning_var('CHECK_%s_WORKS_CMD', warning)} = $(CC) -std=c99 -Werror -W${warning} -o $(TMPOUT) -c test/build/${warning}.c
${warning_var('HAS_WORKING_%s', warning)} = $(shell $(${warning_var('CHECK_%s_WORKS_CMD', warning)}) 2> /dev/null && echo true || echo false)
@@ -230,11 +226,7 @@
HOST_LDXX ?= $(LDXX)
CFLAGS += -std=c99 -Wsign-conversion -Wconversion ${' '.join(warning_var('$(W_%s)', warning) for warning in PREFERRED_WARNINGS)}
- ifeq ($(HAS_CXX11),true)
CXXFLAGS += -std=c++11
- else
- CXXFLAGS += -std=c++0x
- endif
% for arg in ['CFLAGS', 'CXXFLAGS', 'CPPFLAGS', 'LDFLAGS', 'DEFINES']:
% if defaults.get('global', []).get(arg, None) is not None:
${arg} += ${defaults.get('global').get(arg)}
diff --git a/test/build/check_epollexclusive.c b/test/build/check_epollexclusive.c
new file mode 100644
index 0000000000000000000000000000000000000000..fb512c3ae1adebe9f624a3a655d9a667a741dbbb
--- /dev/null
+++ b/test/build/check_epollexclusive.c
@@ -0,0 +1,38 @@
+/*
+ *
+ * Copyright 2017, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/iomgr/is_epollexclusive_available.h"
+
+int main(int argc, char **argv) {
+ return grpc_is_epollexclusive_available() ? 0 : 1;
+}
diff --git a/test/core/end2end/fixtures/http_proxy_fixture.c b/test/core/end2end/fixtures/http_proxy_fixture.c
index 5df43b93847645f743827e1a41098b6c65ecb2d6..c2d8480e69a2e38005d5e9add9d3afe79a86f82b 100644
--- a/test/core/end2end/fixtures/http_proxy_fixture.c
+++ b/test/core/end2end/fixtures/http_proxy_fixture.c
@@ -489,7 +489,7 @@ grpc_end2end_http_proxy* grpc_end2end_http_proxy_create(void) {
static void destroy_pollset(grpc_exec_ctx* exec_ctx, void* arg,
grpc_error* error) {
grpc_pollset* pollset = (grpc_pollset*)arg;
- grpc_pollset_destroy(pollset);
+ grpc_pollset_destroy(exec_ctx, pollset);
gpr_free(pollset);
}
diff --git a/test/core/end2end/fuzzers/api_fuzzer.c b/test/core/end2end/fuzzers/api_fuzzer.c
index 88a0e301da166c0b1e4bd531dae3150bbc95bdf4..b33b43dac587fad86765107f8dc3220414f16633 100644
--- a/test/core/end2end/fuzzers/api_fuzzer.c
+++ b/test/core/end2end/fuzzers/api_fuzzer.c
@@ -44,6 +44,7 @@
#include "src/core/lib/iomgr/resolve_address.h"
#include "src/core/lib/iomgr/tcp_client.h"
#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/iomgr/timer_manager.h"
#include "src/core/lib/slice/slice_internal.h"
#include "src/core/lib/surface/server.h"
#include "src/core/lib/transport/metadata.h"
@@ -722,6 +723,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
grpc_tcp_client_connect_impl = my_tcp_client_connect;
gpr_now_impl = now_impl;
grpc_init();
+ grpc_timer_manager_set_threading(false);
grpc_resolve_address = my_resolve_address;
GPR_ASSERT(g_channel == NULL);
@@ -769,6 +771,8 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
g_now = gpr_time_add(g_now, gpr_time_from_seconds(1, GPR_TIMESPAN));
}
+ grpc_timer_manager_tick();
+
switch (next_byte(&inp)) {
// terminate on bad bytes
default:
diff --git a/test/core/end2end/tests/cancel_after_invoke.c b/test/core/end2end/tests/cancel_after_invoke.c
index 5bc9ed283bb6d01f08b7b8889da91aa924fd755f..6deb86ea3e49a239aea564bba4af867018566385 100644
--- a/test/core/end2end/tests/cancel_after_invoke.c
+++ b/test/core/end2end/tests/cancel_after_invoke.c
@@ -147,6 +147,11 @@ static void test_cancel_after_invoke(grpc_end2end_test_config config,
op->flags = 0;
op->reserved = NULL;
op++;
+ op->op = GRPC_OP_RECV_INITIAL_METADATA;
+ op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv;
+ op->flags = 0;
+ op->reserved = NULL;
+ op++;
op->op = GRPC_OP_SEND_INITIAL_METADATA;
op->data.send_initial_metadata.count = 0;
op->flags = 0;
@@ -161,11 +166,6 @@ static void test_cancel_after_invoke(grpc_end2end_test_config config,
op->flags = 0;
op->reserved = NULL;
op++;
- op->op = GRPC_OP_RECV_INITIAL_METADATA;
- op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv;
- op->flags = 0;
- op->reserved = NULL;
- op++;
op->op = GRPC_OP_RECV_MESSAGE;
op->data.recv_message.recv_message = &response_payload_recv;
op->flags = 0;
@@ -200,7 +200,7 @@ static void test_cancel_after_invoke(grpc_end2end_test_config config,
void cancel_after_invoke(grpc_end2end_test_config config) {
unsigned i, j;
- for (j = 2; j < 6; j++) {
+ for (j = 3; j < 6; j++) {
for (i = 0; i < GPR_ARRAY_SIZE(cancellation_modes); i++) {
test_cancel_after_invoke(config, cancellation_modes[i], j);
}
diff --git a/test/core/http/httpcli_test.c b/test/core/http/httpcli_test.c
index d3b45c45056da5c6fc1554521c1b8c0daacb3159..21135ddf6b1d19610a47e1c0072460d98fd69891 100644
--- a/test/core/http/httpcli_test.c
+++ b/test/core/http/httpcli_test.c
@@ -155,7 +155,7 @@ static void test_post(int port) {
}
static void destroy_pops(grpc_exec_ctx *exec_ctx, void *p, grpc_error *error) {
- grpc_pollset_destroy(grpc_polling_entity_pollset(p));
+ grpc_pollset_destroy(exec_ctx, grpc_polling_entity_pollset(p));
}
int main(int argc, char **argv) {
diff --git a/test/core/http/httpscli_test.c b/test/core/http/httpscli_test.c
index acc94091f4e44f1317748ce92fc2851ac54f6d5d..73eaae87d75bc00afc6760001d207fe3dae3871d 100644
--- a/test/core/http/httpscli_test.c
+++ b/test/core/http/httpscli_test.c
@@ -157,7 +157,7 @@ static void test_post(int port) {
}
static void destroy_pops(grpc_exec_ctx *exec_ctx, void *p, grpc_error *error) {
- grpc_pollset_destroy(grpc_polling_entity_pollset(p));
+ grpc_pollset_destroy(exec_ctx, grpc_polling_entity_pollset(p));
}
int main(int argc, char **argv) {
diff --git a/test/core/iomgr/BUILD b/test/core/iomgr/BUILD
index 0cf93e73f5c3b45f496ce9658abc685f011f14e6..808faf57c9d48ba79886f4351518ee751d623b23 100644
--- a/test/core/iomgr/BUILD
+++ b/test/core/iomgr/BUILD
@@ -55,8 +55,8 @@ cc_test(
)
cc_test(
- name = "ev_epoll_linux_test",
- srcs = ["ev_epoll_linux_test.c"],
+ name = "ev_epollsig_linux_test",
+ srcs = ["ev_epollsig_linux_test.c"],
deps = ["//:grpc", "//test/core/util:grpc_test_util", "//:gpr", "//test/core/util:gpr_test_util"],
copts = ['-std=c99']
)
diff --git a/test/core/iomgr/endpoint_pair_test.c b/test/core/iomgr/endpoint_pair_test.c
index c8a60776b9c7b9ae5a72c1bffad25d558459f5a9..4561c3846e1696f2f18c83ced1f11a5fcc575326 100644
--- a/test/core/iomgr/endpoint_pair_test.c
+++ b/test/core/iomgr/endpoint_pair_test.c
@@ -70,7 +70,7 @@ static grpc_endpoint_test_config configs[] = {
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
int main(int argc, char **argv) {
diff --git a/test/core/iomgr/ev_epoll_linux_test.c b/test/core/iomgr/ev_epollsig_linux_test.c
similarity index 98%
rename from test/core/iomgr/ev_epoll_linux_test.c
rename to test/core/iomgr/ev_epollsig_linux_test.c
index 0856023b14f6878483836515327609c64399cf51..45c542de4e4e1f95ce5095da751205cef16a2f2f 100644
--- a/test/core/iomgr/ev_epoll_linux_test.c
+++ b/test/core/iomgr/ev_epollsig_linux_test.c
@@ -34,7 +34,7 @@
/* This test only relevant on linux systems where epoll() is available */
#ifdef GRPC_LINUX_EPOLL
-#include "src/core/lib/iomgr/ev_epoll_linux.h"
+#include "src/core/lib/iomgr/ev_epollsig_linux.h"
#include "src/core/lib/iomgr/ev_posix.h"
#include <errno.h>
@@ -113,7 +113,7 @@ static void test_pollset_init(test_pollset *pollsets, int num_pollsets) {
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
static void test_pollset_cleanup(grpc_exec_ctx *exec_ctx,
@@ -403,15 +403,16 @@ int main(int argc, char **argv) {
const char *poll_strategy = NULL;
grpc_test_init(argc, argv);
grpc_iomgr_init();
+ grpc_iomgr_start();
poll_strategy = grpc_get_poll_strategy_name();
- if (poll_strategy != NULL && strcmp(poll_strategy, "epoll") == 0) {
+ if (poll_strategy != NULL && strcmp(poll_strategy, "epollsig") == 0) {
test_add_fd_to_pollset();
test_pollset_queue_merge_items();
test_threading();
} else {
gpr_log(GPR_INFO,
- "Skipping the test. The test is only relevant for 'epoll' "
+ "Skipping the test. The test is only relevant for 'epollsig' "
"strategy. and the current strategy is: '%s'",
poll_strategy);
}
diff --git a/test/core/iomgr/fd_conservation_posix_test.c b/test/core/iomgr/fd_conservation_posix_test.c
index 6ac322bb01458f8532dd955f14bc50958e4a6384..f66207065598cf94924682c584d87042f64cf1d3 100644
--- a/test/core/iomgr/fd_conservation_posix_test.c
+++ b/test/core/iomgr/fd_conservation_posix_test.c
@@ -46,6 +46,7 @@ int main(int argc, char **argv) {
grpc_test_init(argc, argv);
grpc_iomgr_init();
+ grpc_iomgr_start();
/* set max # of file descriptors to a low value, and
verify we can create and destroy many more than this number
diff --git a/test/core/iomgr/fd_posix_test.c b/test/core/iomgr/fd_posix_test.c
index 81d2692a084c05d467f4bca7a312ceaae3e07891..9e8fe8bffade74920ab4d622f3b3b654d30465e8 100644
--- a/test/core/iomgr/fd_posix_test.c
+++ b/test/core/iomgr/fd_posix_test.c
@@ -535,7 +535,7 @@ static void test_grpc_fd_change(void) {
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
int main(int argc, char **argv) {
@@ -543,6 +543,7 @@ int main(int argc, char **argv) {
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_test_init(argc, argv);
grpc_iomgr_init();
+ grpc_iomgr_start();
g_pollset = gpr_zalloc(grpc_pollset_size());
grpc_pollset_init(g_pollset, &g_mu);
test_grpc_fd();
diff --git a/test/core/iomgr/pollset_set_test.c b/test/core/iomgr/pollset_set_test.c
index 3a9d459579f53394dd8f6510354f82c8953029fd..092711381d1cf0fea6fea98cd187f8edf3f4dc81 100644
--- a/test/core/iomgr/pollset_set_test.c
+++ b/test/core/iomgr/pollset_set_test.c
@@ -86,7 +86,7 @@ static void init_test_pollsets(test_pollset *pollsets, const int num_pollsets) {
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
static void cleanup_test_pollsets(grpc_exec_ctx *exec_ctx,
@@ -448,8 +448,11 @@ int main(int argc, char **argv) {
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_test_init(argc, argv);
grpc_iomgr_init();
+ grpc_iomgr_start();
- if (poll_strategy != NULL && strcmp(poll_strategy, "epoll") == 0) {
+ if (poll_strategy != NULL &&
+ (strcmp(poll_strategy, "epoll") == 0 ||
+ strcmp(poll_strategy, "epoll-threadpool") == 0)) {
pollset_set_test_basic();
pollset_set_test_dup_fds();
pollset_set_test_empty_pollset();
diff --git a/test/core/iomgr/resolve_address_posix_test.c b/test/core/iomgr/resolve_address_posix_test.c
index fa88aca431f37beee251b4cc50be42b0126555ef..bee7036ec83328bfee488f10e44f505126b3ea74 100644
--- a/test/core/iomgr/resolve_address_posix_test.c
+++ b/test/core/iomgr/resolve_address_posix_test.c
@@ -81,7 +81,7 @@ void args_finish(grpc_exec_ctx *exec_ctx, args_struct *args) {
grpc_pollset_shutdown(exec_ctx, args->pollset, &do_nothing_cb);
// exec_ctx needs to be flushed before calling grpc_pollset_destroy()
grpc_exec_ctx_flush(exec_ctx);
- grpc_pollset_destroy(args->pollset);
+ grpc_pollset_destroy(exec_ctx, args->pollset);
gpr_free(args->pollset);
}
@@ -176,6 +176,7 @@ int main(int argc, char **argv) {
grpc_test_init(argc, argv);
grpc_executor_init();
grpc_iomgr_init();
+ grpc_iomgr_start();
test_unix_socket();
test_unix_socket_path_name_too_long();
{
diff --git a/test/core/iomgr/resolve_address_test.c b/test/core/iomgr/resolve_address_test.c
index ea79adc0903f2f08974275235cf4ff00058dbe10..83f73070dcc6ad15ef3b4b0ba9a0e8a760e45232 100644
--- a/test/core/iomgr/resolve_address_test.c
+++ b/test/core/iomgr/resolve_address_test.c
@@ -76,7 +76,7 @@ void args_finish(grpc_exec_ctx *exec_ctx, args_struct *args) {
grpc_pollset_shutdown(exec_ctx, args->pollset, &do_nothing_cb);
// exec_ctx needs to be flushed before calling grpc_pollset_destroy()
grpc_exec_ctx_flush(exec_ctx);
- grpc_pollset_destroy(args->pollset);
+ grpc_pollset_destroy(exec_ctx, args->pollset);
gpr_free(args->pollset);
}
@@ -265,6 +265,7 @@ int main(int argc, char **argv) {
grpc_test_init(argc, argv);
grpc_executor_init();
grpc_iomgr_init();
+ grpc_iomgr_start();
test_localhost();
test_default_port();
test_non_numeric_default_port();
diff --git a/test/core/iomgr/tcp_client_posix_test.c b/test/core/iomgr/tcp_client_posix_test.c
index 2fae6774e869953370c53e3f6e67cb2cb4a8ac16..6e1bb43eb5b853ae99055d16c79b81297656760a 100644
--- a/test/core/iomgr/tcp_client_posix_test.c
+++ b/test/core/iomgr/tcp_client_posix_test.c
@@ -197,7 +197,7 @@ void test_fails(void) {
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
int main(int argc, char **argv) {
diff --git a/test/core/iomgr/tcp_client_uv_test.c b/test/core/iomgr/tcp_client_uv_test.c
index 92fc3934226deb992c18b320004a3e6ed335c31d..3a8458df861a03baa77a35c13cbc15ed37f2581a 100644
--- a/test/core/iomgr/tcp_client_uv_test.c
+++ b/test/core/iomgr/tcp_client_uv_test.c
@@ -194,7 +194,7 @@ void test_fails(void) {
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
int main(int argc, char **argv) {
diff --git a/test/core/iomgr/tcp_posix_test.c b/test/core/iomgr/tcp_posix_test.c
index 2c53a003d23a83dd86a57866c6ca9e1c8ab2ae47..a1c54e19c1c3b3b27479fa4b73c79e49697dde11 100644
--- a/test/core/iomgr/tcp_posix_test.c
+++ b/test/core/iomgr/tcp_posix_test.c
@@ -562,7 +562,7 @@ static grpc_endpoint_test_config configs[] = {
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
int main(int argc, char **argv) {
diff --git a/test/core/iomgr/tcp_server_posix_test.c b/test/core/iomgr/tcp_server_posix_test.c
index 112743b95b723a27246dfb82c7a144ba7699f76f..88aead1dd0d96112932f64b98997fad64cfdc6ed 100644
--- a/test/core/iomgr/tcp_server_posix_test.c
+++ b/test/core/iomgr/tcp_server_posix_test.c
@@ -444,7 +444,7 @@ static void test_connect(size_t num_connects,
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
int main(int argc, char **argv) {
diff --git a/test/core/iomgr/tcp_server_uv_test.c b/test/core/iomgr/tcp_server_uv_test.c
index 1e039585c1e8dae2e738ef148de95a300dad2eee..945b84a355c66aad5db3195c349551564eaed295 100644
--- a/test/core/iomgr/tcp_server_uv_test.c
+++ b/test/core/iomgr/tcp_server_uv_test.c
@@ -306,7 +306,7 @@ static void test_connect(unsigned n) {
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
int main(int argc, char **argv) {
diff --git a/test/core/iomgr/timer_list_test.c b/test/core/iomgr/timer_list_test.c
index 46e41dd4490bc320b39d42fb3af32e3180e9d415..88a9f6b855678c16dc24d6db34f0542ce169b5a4 100644
--- a/test/core/iomgr/timer_list_test.c
+++ b/test/core/iomgr/timer_list_test.c
@@ -41,12 +41,13 @@
#include <string.h>
#include <grpc/support/log.h>
+#include "src/core/lib/debug/trace.h"
#include "test/core/util/test_config.h"
#define MAX_CB 30
-extern int grpc_timer_trace;
-extern int grpc_timer_check_trace;
+extern grpc_tracer_flag grpc_timer_trace;
+extern grpc_tracer_flag grpc_timer_check_trace;
static int cb_called[MAX_CB][2];
@@ -63,8 +64,8 @@ static void add_test(void) {
gpr_log(GPR_INFO, "add_test");
grpc_timer_list_init(start);
- grpc_timer_trace = 1;
- grpc_timer_check_trace = 1;
+ grpc_timer_trace.value = 1;
+ grpc_timer_check_trace.value = 1;
memset(cb_called, 0, sizeof(cb_called));
/* 10 ms timers. will expire in the current epoch */
@@ -138,8 +139,8 @@ void destruction_test(void) {
gpr_log(GPR_INFO, "destruction_test");
grpc_timer_list_init(gpr_time_0(GPR_CLOCK_REALTIME));
- grpc_timer_trace = 1;
- grpc_timer_check_trace = 1;
+ grpc_timer_trace.value = 1;
+ grpc_timer_check_trace.value = 1;
memset(cb_called, 0, sizeof(cb_called));
grpc_timer_init(
diff --git a/test/core/iomgr/udp_server_test.c b/test/core/iomgr/udp_server_test.c
index 1f1696a7a7a0b86cf1a4c54d03268ff10c536bb4..ee78d6b4adf2ae4530230757b923827942ce3792 100644
--- a/test/core/iomgr/udp_server_test.c
+++ b/test/core/iomgr/udp_server_test.c
@@ -307,7 +307,7 @@ static void test_receive(int number_of_clients) {
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
int main(int argc, char **argv) {
diff --git a/test/core/security/secure_endpoint_test.c b/test/core/security/secure_endpoint_test.c
index 71d8057ac3140b74d3c6712ccb835675b74e4588..cd6ff2ceacf121f2c869d79185e7d5c840485608 100644
--- a/test/core/security/secure_endpoint_test.c
+++ b/test/core/security/secure_endpoint_test.c
@@ -185,7 +185,7 @@ static void test_leftover(grpc_endpoint_test_config config, size_t slice_size) {
static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
- grpc_pollset_destroy(p);
+ grpc_pollset_destroy(exec_ctx, p);
}
int main(int argc, char **argv) {
diff --git a/test/core/surface/concurrent_connectivity_test.c b/test/core/surface/concurrent_connectivity_test.c
index d6841ea1f881b4328ac678851748b466eccabf19..f0e3394b2e73f6222948db31782df6378442d15b 100644
--- a/test/core/surface/concurrent_connectivity_test.c
+++ b/test/core/surface/concurrent_connectivity_test.c
@@ -162,7 +162,7 @@ void bad_server_thread(void *vargs) {
static void done_pollset_shutdown(grpc_exec_ctx *exec_ctx, void *pollset,
grpc_error *error) {
- grpc_pollset_destroy(pollset);
+ grpc_pollset_destroy(exec_ctx, pollset);
gpr_free(pollset);
}
diff --git a/test/core/transport/connectivity_state_test.c b/test/core/transport/connectivity_state_test.c
index 8314a5f6190a4e3ef1babaaa929a621a0e5dbf33..96db59ba2df8221da0cfdcff10868ea1955898c9 100644
--- a/test/core/transport/connectivity_state_test.c
+++ b/test/core/transport/connectivity_state_test.c
@@ -151,7 +151,7 @@ static void test_subscribe_with_failure_then_destroy(void) {
int main(int argc, char **argv) {
grpc_test_init(argc, argv);
- grpc_connectivity_state_trace = 1;
+ grpc_connectivity_state_trace.value = 1;
test_connectivity_state_name();
test_check();
test_subscribe_then_unsubscribe();
diff --git a/test/core/util/port_server_client.c b/test/core/util/port_server_client.c
index 254c3a6b61387915441bfb9a6d7f716a79bfa3cc..6ef0acfc29bdbd0ba6d8e1ad71ec950fd0d0d7da 100644
--- a/test/core/util/port_server_client.c
+++ b/test/core/util/port_server_client.c
@@ -58,9 +58,8 @@ typedef struct freereq {
static void destroy_pops_and_shutdown(grpc_exec_ctx *exec_ctx, void *p,
grpc_error *error) {
grpc_pollset *pollset = grpc_polling_entity_pollset(p);
- grpc_pollset_destroy(pollset);
+ grpc_pollset_destroy(exec_ctx, pollset);
gpr_free(pollset);
- grpc_shutdown();
}
static void freed_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
@@ -122,12 +121,13 @@ void grpc_free_port_using_server(int port) {
gpr_mu_unlock(pr.mu);
grpc_httpcli_context_destroy(&exec_ctx, &context);
- grpc_exec_ctx_finish(&exec_ctx);
grpc_pollset_shutdown(&exec_ctx, grpc_polling_entity_pollset(&pr.pops),
shutdown_closure);
grpc_exec_ctx_finish(&exec_ctx);
gpr_free(path);
grpc_http_response_destroy(&rsp);
+
+ grpc_shutdown();
}
typedef struct portreq {
@@ -239,7 +239,6 @@ int grpc_pick_port_using_server(void) {
grpc_closure_create(got_port_from_server, &pr, grpc_schedule_on_exec_ctx),
&pr.response);
grpc_resource_quota_unref_internal(&exec_ctx, resource_quota);
- grpc_exec_ctx_finish(&exec_ctx);
gpr_mu_lock(pr.mu);
while (pr.port == -1) {
grpc_pollset_worker *worker = NULL;
@@ -258,6 +257,7 @@ int grpc_pick_port_using_server(void) {
grpc_pollset_shutdown(&exec_ctx, grpc_polling_entity_pollset(&pr.pops),
shutdown_closure);
grpc_exec_ctx_finish(&exec_ctx);
+ grpc_shutdown();
return pr.port;
}
diff --git a/test/core/util/test_tcp_server.c b/test/core/util/test_tcp_server.c
index 496e579bc396a00f6c2c4d6f15186e208953a3af..190869800921e423869285c0052c85a338316260 100644
--- a/test/core/util/test_tcp_server.c
+++ b/test/core/util/test_tcp_server.c
@@ -106,6 +106,10 @@ void test_tcp_server_poll(test_tcp_server *server, int seconds) {
}
static void do_nothing(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {}
+static void finish_pollset(grpc_exec_ctx *exec_ctx, void *arg,
+ grpc_error *error) {
+ grpc_pollset_destroy(exec_ctx, arg);
+}
void test_tcp_server_destroy(test_tcp_server *server) {
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
@@ -120,9 +124,10 @@ void test_tcp_server_destroy(test_tcp_server *server) {
gpr_time_cmp(gpr_now(GPR_CLOCK_MONOTONIC), shutdown_deadline) < 0) {
test_tcp_server_poll(server, 1);
}
- grpc_pollset_shutdown(&exec_ctx, server->pollset, &do_nothing_cb);
+ grpc_pollset_shutdown(&exec_ctx, server->pollset,
+ grpc_closure_create(finish_pollset, server->pollset,
+ grpc_schedule_on_exec_ctx));
grpc_exec_ctx_finish(&exec_ctx);
- grpc_pollset_destroy(server->pollset);
gpr_free(server->pollset);
grpc_shutdown();
}
diff --git a/test/cpp/microbenchmarks/bm_cq_multiple_threads.cc b/test/cpp/microbenchmarks/bm_cq_multiple_threads.cc
index 3362510e5a361a66a7dc601594a954dc73f326fc..704f255d5fc8b994988441513c658f7b365022c7 100644
--- a/test/cpp/microbenchmarks/bm_cq_multiple_threads.cc
+++ b/test/cpp/microbenchmarks/bm_cq_multiple_threads.cc
@@ -67,7 +67,9 @@ static void pollset_init(grpc_pollset* ps, gpr_mu** mu) {
*mu = &ps->mu;
}
-static void pollset_destroy(grpc_pollset* ps) { gpr_mu_destroy(&ps->mu); }
+static void pollset_destroy(grpc_exec_ctx* exec_ctx, grpc_pollset* ps) {
+ gpr_mu_destroy(&ps->mu);
+}
static grpc_error* pollset_kick(grpc_pollset* p, grpc_pollset_worker* worker) {
return GRPC_ERROR_NONE;
diff --git a/test/cpp/microbenchmarks/bm_fullstack_streaming_pump.cc b/test/cpp/microbenchmarks/bm_fullstack_streaming_pump.cc
index 47705d3031895c967a87d31c6d80e8ad41734b5b..01ff39121e80a819cd001f73a9d8fcf23da96f16 100644
--- a/test/cpp/microbenchmarks/bm_fullstack_streaming_pump.cc
+++ b/test/cpp/microbenchmarks/bm_fullstack_streaming_pump.cc
@@ -105,6 +105,17 @@ static void BM_PumpStreamClientToServer(benchmark::State& state) {
GPR_ASSERT(need_tags & (1 << i));
need_tags &= ~(1 << i);
}
+ response_rw.Finish(Status::OK, tag(0));
+ Status final_status;
+ request_rw->Finish(&final_status, tag(1));
+ need_tags = (1 << 0) | (1 << 1);
+ while (need_tags) {
+ GPR_ASSERT(fixture->cq()->Next(&t, &ok));
+ int i = (int)(intptr_t)t;
+ GPR_ASSERT(need_tags & (1 << i));
+ need_tags &= ~(1 << i);
+ }
+ GPR_ASSERT(final_status.ok());
}
fixture->Finish(state);
fixture.reset();
diff --git a/test/cpp/microbenchmarks/bm_pollset.cc b/test/cpp/microbenchmarks/bm_pollset.cc
index 0f3d3cef66a9e9c4fae30305e078d6a4dfe9b373..f5e8d13881fee1bbf59e25a267376d0c6342d123 100644
--- a/test/cpp/microbenchmarks/bm_pollset.cc
+++ b/test/cpp/microbenchmarks/bm_pollset.cc
@@ -59,7 +59,7 @@ extern "C" {
auto& force_library_initialization = Library::get();
static void shutdown_ps(grpc_exec_ctx* exec_ctx, void* ps, grpc_error* error) {
- grpc_pollset_destroy(static_cast<grpc_pollset*>(ps));
+ grpc_pollset_destroy(exec_ctx, static_cast<grpc_pollset*>(ps));
}
static void BM_CreateDestroyPollset(benchmark::State& state) {
@@ -136,8 +136,7 @@ static void BM_PollEmptyPollset(benchmark::State& state) {
gpr_timespec deadline = gpr_inf_past(GPR_CLOCK_MONOTONIC);
gpr_mu_lock(mu);
while (state.KeepRunning()) {
- grpc_pollset_worker* worker;
- GRPC_ERROR_UNREF(grpc_pollset_work(&exec_ctx, ps, &worker, now, deadline));
+ GRPC_ERROR_UNREF(grpc_pollset_work(&exec_ctx, ps, NULL, now, deadline));
}
grpc_closure shutdown_ps_closure;
grpc_closure_init(&shutdown_ps_closure, shutdown_ps, ps,
@@ -150,6 +149,34 @@ static void BM_PollEmptyPollset(benchmark::State& state) {
}
BENCHMARK(BM_PollEmptyPollset);
+static void BM_PollAddFd(benchmark::State& state) {
+ TrackCounters track_counters;
+ size_t ps_sz = grpc_pollset_size();
+ grpc_pollset* ps = static_cast<grpc_pollset*>(gpr_zalloc(ps_sz));
+ gpr_mu* mu;
+ grpc_pollset_init(ps, &mu);
+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+ grpc_wakeup_fd wakeup_fd;
+ GPR_ASSERT(
+ GRPC_LOG_IF_ERROR("wakeup_fd_init", grpc_wakeup_fd_init(&wakeup_fd)));
+ grpc_fd* fd = grpc_fd_create(wakeup_fd.read_fd, "xxx");
+ while (state.KeepRunning()) {
+ grpc_pollset_add_fd(&exec_ctx, ps, fd);
+ grpc_exec_ctx_flush(&exec_ctx);
+ }
+ grpc_fd_orphan(&exec_ctx, fd, NULL, NULL, "xxx");
+ grpc_closure shutdown_ps_closure;
+ grpc_closure_init(&shutdown_ps_closure, shutdown_ps, ps,
+ grpc_schedule_on_exec_ctx);
+ gpr_mu_lock(mu);
+ grpc_pollset_shutdown(&exec_ctx, ps, &shutdown_ps_closure);
+ gpr_mu_unlock(mu);
+ grpc_exec_ctx_finish(&exec_ctx);
+ gpr_free(ps);
+ track_counters.Finish(state);
+}
+BENCHMARK(BM_PollAddFd);
+
class Closure : public grpc_closure {
public:
virtual ~Closure() {}
@@ -233,8 +260,7 @@ static void BM_SingleThreadPollOneFd(benchmark::State& state) {
grpc_fd_notify_on_read(&exec_ctx, wakeup, continue_closure);
gpr_mu_lock(mu);
while (!done) {
- grpc_pollset_worker* worker;
- GRPC_ERROR_UNREF(grpc_pollset_work(&exec_ctx, ps, &worker, now, deadline));
+ GRPC_ERROR_UNREF(grpc_pollset_work(&exec_ctx, ps, NULL, now, deadline));
}
grpc_fd_orphan(&exec_ctx, wakeup, NULL, NULL, "done");
wakeup_fd.read_fd = 0;
diff --git a/test/cpp/qps/client_async.cc b/test/cpp/qps/client_async.cc
index 01856f714a5816f1a7ca7845739e8149940d151a..82c3356f021cb06bc11720a466621b5f16797c88 100644
--- a/test/cpp/qps/client_async.cc
+++ b/test/cpp/qps/client_async.cc
@@ -238,39 +238,27 @@ class AsyncClient : public ClientImpl<StubType, RequestType> {
void* got_tag;
bool ok;
- switch (cli_cqs_[thread_idx]->AsyncNext(
- &got_tag, &ok,
- std::chrono::system_clock::now() + std::chrono::milliseconds(10))) {
- case CompletionQueue::GOT_EVENT: {
- // Got a regular event, so process it
- ClientRpcContext* ctx = ClientRpcContext::detag(got_tag);
- // Proceed while holding a lock to make sure that
- // this thread isn't supposed to shut down
- std::lock_guard<std::mutex> l(shutdown_state_[thread_idx]->mutex);
- if (shutdown_state_[thread_idx]->shutdown) {
- delete ctx;
- return true;
- } else if (!ctx->RunNextState(ok, entry)) {
- // The RPC and callback are done, so clone the ctx
- // and kickstart the new one
- ctx->StartNewClone(cli_cqs_[thread_idx].get());
- // delete the old version
- delete ctx;
- }
+ if (cli_cqs_[thread_idx]->Next(&got_tag, &ok)) {
+ // Got a regular event, so process it
+ ClientRpcContext* ctx = ClientRpcContext::detag(got_tag);
+ // Proceed while holding a lock to make sure that
+ // this thread isn't supposed to shut down
+ std::lock_guard<std::mutex> l(shutdown_state_[thread_idx]->mutex);
+ if (shutdown_state_[thread_idx]->shutdown) {
+ delete ctx;
return true;
+ } else if (!ctx->RunNextState(ok, entry)) {
+ // The RPC and callback are done, so clone the ctx
+ // and kickstart the new one
+ ctx->StartNewClone(cli_cqs_[thread_idx].get());
+ // delete the old version
+ delete ctx;
}
- case CompletionQueue::TIMEOUT: {
- std::lock_guard<std::mutex> l(shutdown_state_[thread_idx]->mutex);
- if (shutdown_state_[thread_idx]->shutdown) {
- return true;
- }
- return true;
- }
- case CompletionQueue::SHUTDOWN: // queue is shutting down, so we must be
- // done
- return true;
+ return true;
+ } else {
+ // queue is shutting down, so we must be done
+ return true;
}
- GPR_UNREACHABLE_CODE(return true);
}
std::vector<std::unique_ptr<CompletionQueue>> cli_cqs_;
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index 9664234f9f4d0855e37c280d6bb79b7eaf94e91d..321417905bd756950ee7b99396934b49e2a78f20 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -939,8 +939,16 @@ src/core/lib/iomgr/endpoint_pair_windows.c \
src/core/lib/iomgr/error.c \
src/core/lib/iomgr/error.h \
src/core/lib/iomgr/error_internal.h \
-src/core/lib/iomgr/ev_epoll_linux.c \
-src/core/lib/iomgr/ev_epoll_linux.h \
+src/core/lib/iomgr/ev_epoll1_linux.c \
+src/core/lib/iomgr/ev_epoll1_linux.h \
+src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
+src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h \
+src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
+src/core/lib/iomgr/ev_epoll_thread_pool_linux.h \
+src/core/lib/iomgr/ev_epollex_linux.c \
+src/core/lib/iomgr/ev_epollex_linux.h \
+src/core/lib/iomgr/ev_epollsig_linux.c \
+src/core/lib/iomgr/ev_epollsig_linux.h \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_poll_posix.h \
src/core/lib/iomgr/ev_posix.c \
@@ -958,6 +966,8 @@ src/core/lib/iomgr/iomgr_posix.c \
src/core/lib/iomgr/iomgr_posix.h \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+src/core/lib/iomgr/is_epollexclusive_available.c \
+src/core/lib/iomgr/is_epollexclusive_available.h \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/load_file.h \
src/core/lib/iomgr/lockfree_event.c \
@@ -1000,6 +1010,7 @@ src/core/lib/iomgr/socket_utils_uv.c \
src/core/lib/iomgr/socket_utils_windows.c \
src/core/lib/iomgr/socket_windows.c \
src/core/lib/iomgr/socket_windows.h \
+src/core/lib/iomgr/sys_epoll_wrapper.h \
src/core/lib/iomgr/tcp_client.h \
src/core/lib/iomgr/tcp_client_posix.c \
src/core/lib/iomgr/tcp_client_posix.h \
@@ -1026,6 +1037,8 @@ src/core/lib/iomgr/timer_generic.c \
src/core/lib/iomgr/timer_generic.h \
src/core/lib/iomgr/timer_heap.c \
src/core/lib/iomgr/timer_heap.h \
+src/core/lib/iomgr/timer_manager.c \
+src/core/lib/iomgr/timer_manager.h \
src/core/lib/iomgr/timer_uv.c \
src/core/lib/iomgr/timer_uv.h \
src/core/lib/iomgr/udp_server.c \
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 51d77c2b521731da0e646b487a0cfb56c37e221e..097cbde658671adfbc37627a330eb1be2bfa1a75 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -1078,8 +1078,16 @@ src/core/lib/iomgr/endpoint_pair_windows.c \
src/core/lib/iomgr/error.c \
src/core/lib/iomgr/error.h \
src/core/lib/iomgr/error_internal.h \
-src/core/lib/iomgr/ev_epoll_linux.c \
-src/core/lib/iomgr/ev_epoll_linux.h \
+src/core/lib/iomgr/ev_epoll1_linux.c \
+src/core/lib/iomgr/ev_epoll1_linux.h \
+src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
+src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h \
+src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
+src/core/lib/iomgr/ev_epoll_thread_pool_linux.h \
+src/core/lib/iomgr/ev_epollex_linux.c \
+src/core/lib/iomgr/ev_epollex_linux.h \
+src/core/lib/iomgr/ev_epollsig_linux.c \
+src/core/lib/iomgr/ev_epollsig_linux.h \
src/core/lib/iomgr/ev_poll_posix.c \
src/core/lib/iomgr/ev_poll_posix.h \
src/core/lib/iomgr/ev_posix.c \
@@ -1097,6 +1105,8 @@ src/core/lib/iomgr/iomgr_posix.c \
src/core/lib/iomgr/iomgr_posix.h \
src/core/lib/iomgr/iomgr_uv.c \
src/core/lib/iomgr/iomgr_windows.c \
+src/core/lib/iomgr/is_epollexclusive_available.c \
+src/core/lib/iomgr/is_epollexclusive_available.h \
src/core/lib/iomgr/load_file.c \
src/core/lib/iomgr/load_file.h \
src/core/lib/iomgr/lockfree_event.c \
@@ -1139,6 +1149,7 @@ src/core/lib/iomgr/socket_utils_uv.c \
src/core/lib/iomgr/socket_utils_windows.c \
src/core/lib/iomgr/socket_windows.c \
src/core/lib/iomgr/socket_windows.h \
+src/core/lib/iomgr/sys_epoll_wrapper.h \
src/core/lib/iomgr/tcp_client.h \
src/core/lib/iomgr/tcp_client_posix.c \
src/core/lib/iomgr/tcp_client_posix.h \
@@ -1165,6 +1176,8 @@ src/core/lib/iomgr/timer_generic.c \
src/core/lib/iomgr/timer_generic.h \
src/core/lib/iomgr/timer_heap.c \
src/core/lib/iomgr/timer_heap.h \
+src/core/lib/iomgr/timer_manager.c \
+src/core/lib/iomgr/timer_manager.h \
src/core/lib/iomgr/timer_uv.c \
src/core/lib/iomgr/timer_uv.h \
src/core/lib/iomgr/udp_server.c \
diff --git a/tools/run_tests/generated/sources_and_headers.json b/tools/run_tests/generated/sources_and_headers.json
index c9628234379134ca1bd3cf1401d4b8882247c16e..a488c15b05ef521a9a38cd9d7ee9c9d7e9598b95 100644
--- a/tools/run_tests/generated/sources_and_headers.json
+++ b/tools/run_tests/generated/sources_and_headers.json
@@ -232,6 +232,21 @@
"third_party": false,
"type": "target"
},
+ {
+ "deps": [
+ "gpr",
+ "grpc"
+ ],
+ "headers": [],
+ "is_filegroup": false,
+ "language": "c",
+ "name": "check_epollexclusive",
+ "src": [
+ "test/build/check_epollexclusive.c"
+ ],
+ "third_party": false,
+ "type": "target"
+ },
{
"deps": [
"gpr",
@@ -463,9 +478,9 @@
"headers": [],
"is_filegroup": false,
"language": "c",
- "name": "ev_epoll_linux_test",
+ "name": "ev_epollsig_linux_test",
"src": [
- "test/core/iomgr/ev_epoll_linux_test.c"
+ "test/core/iomgr/ev_epollsig_linux_test.c"
],
"third_party": false,
"type": "target"
@@ -7717,7 +7732,8 @@
{
"deps": [
"gpr",
- "grpc_codegen"
+ "grpc_codegen",
+ "grpc_trace"
],
"headers": [
"include/grpc/byte_buffer.h",
@@ -7740,7 +7756,6 @@
"src/core/lib/channel/handshaker_registry.h",
"src/core/lib/compression/algorithm_metadata.h",
"src/core/lib/compression/message_compress.h",
- "src/core/lib/debug/trace.h",
"src/core/lib/http/format_request.h",
"src/core/lib/http/httpcli.h",
"src/core/lib/http/parser.h",
@@ -7750,7 +7765,11 @@
"src/core/lib/iomgr/endpoint_pair.h",
"src/core/lib/iomgr/error.h",
"src/core/lib/iomgr/error_internal.h",
- "src/core/lib/iomgr/ev_epoll_linux.h",
+ "src/core/lib/iomgr/ev_epoll1_linux.h",
+ "src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h",
+ "src/core/lib/iomgr/ev_epoll_thread_pool_linux.h",
+ "src/core/lib/iomgr/ev_epollex_linux.h",
+ "src/core/lib/iomgr/ev_epollsig_linux.h",
"src/core/lib/iomgr/ev_poll_posix.h",
"src/core/lib/iomgr/ev_posix.h",
"src/core/lib/iomgr/exec_ctx.h",
@@ -7759,6 +7778,7 @@
"src/core/lib/iomgr/iomgr.h",
"src/core/lib/iomgr/iomgr_internal.h",
"src/core/lib/iomgr/iomgr_posix.h",
+ "src/core/lib/iomgr/is_epollexclusive_available.h",
"src/core/lib/iomgr/load_file.h",
"src/core/lib/iomgr/lockfree_event.h",
"src/core/lib/iomgr/network_status_tracker.h",
@@ -7780,6 +7800,7 @@
"src/core/lib/iomgr/socket_utils.h",
"src/core/lib/iomgr/socket_utils_posix.h",
"src/core/lib/iomgr/socket_windows.h",
+ "src/core/lib/iomgr/sys_epoll_wrapper.h",
"src/core/lib/iomgr/tcp_client.h",
"src/core/lib/iomgr/tcp_client_posix.h",
"src/core/lib/iomgr/tcp_posix.h",
@@ -7791,6 +7812,7 @@
"src/core/lib/iomgr/timer.h",
"src/core/lib/iomgr/timer_generic.h",
"src/core/lib/iomgr/timer_heap.h",
+ "src/core/lib/iomgr/timer_manager.h",
"src/core/lib/iomgr/timer_uv.h",
"src/core/lib/iomgr/udp_server.h",
"src/core/lib/iomgr/unix_sockets_posix.h",
@@ -7870,8 +7892,6 @@
"src/core/lib/compression/compression.c",
"src/core/lib/compression/message_compress.c",
"src/core/lib/compression/message_compress.h",
- "src/core/lib/debug/trace.c",
- "src/core/lib/debug/trace.h",
"src/core/lib/http/format_request.c",
"src/core/lib/http/format_request.h",
"src/core/lib/http/httpcli.c",
@@ -7891,8 +7911,16 @@
"src/core/lib/iomgr/error.c",
"src/core/lib/iomgr/error.h",
"src/core/lib/iomgr/error_internal.h",
- "src/core/lib/iomgr/ev_epoll_linux.c",
- "src/core/lib/iomgr/ev_epoll_linux.h",
+ "src/core/lib/iomgr/ev_epoll1_linux.c",
+ "src/core/lib/iomgr/ev_epoll1_linux.h",
+ "src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c",
+ "src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h",
+ "src/core/lib/iomgr/ev_epoll_thread_pool_linux.c",
+ "src/core/lib/iomgr/ev_epoll_thread_pool_linux.h",
+ "src/core/lib/iomgr/ev_epollex_linux.c",
+ "src/core/lib/iomgr/ev_epollex_linux.h",
+ "src/core/lib/iomgr/ev_epollsig_linux.c",
+ "src/core/lib/iomgr/ev_epollsig_linux.h",
"src/core/lib/iomgr/ev_poll_posix.c",
"src/core/lib/iomgr/ev_poll_posix.h",
"src/core/lib/iomgr/ev_posix.c",
@@ -7910,6 +7938,8 @@
"src/core/lib/iomgr/iomgr_posix.h",
"src/core/lib/iomgr/iomgr_uv.c",
"src/core/lib/iomgr/iomgr_windows.c",
+ "src/core/lib/iomgr/is_epollexclusive_available.c",
+ "src/core/lib/iomgr/is_epollexclusive_available.h",
"src/core/lib/iomgr/load_file.c",
"src/core/lib/iomgr/load_file.h",
"src/core/lib/iomgr/lockfree_event.c",
@@ -7952,6 +7982,7 @@
"src/core/lib/iomgr/socket_utils_windows.c",
"src/core/lib/iomgr/socket_windows.c",
"src/core/lib/iomgr/socket_windows.h",
+ "src/core/lib/iomgr/sys_epoll_wrapper.h",
"src/core/lib/iomgr/tcp_client.h",
"src/core/lib/iomgr/tcp_client_posix.c",
"src/core/lib/iomgr/tcp_client_posix.h",
@@ -7978,6 +8009,8 @@
"src/core/lib/iomgr/timer_generic.h",
"src/core/lib/iomgr/timer_heap.c",
"src/core/lib/iomgr/timer_heap.h",
+ "src/core/lib/iomgr/timer_manager.c",
+ "src/core/lib/iomgr/timer_manager.h",
"src/core/lib/iomgr/timer_uv.c",
"src/core/lib/iomgr/timer_uv.h",
"src/core/lib/iomgr/udp_server.c",
@@ -8582,6 +8615,23 @@
"third_party": false,
"type": "filegroup"
},
+ {
+ "deps": [
+ "gpr"
+ ],
+ "headers": [
+ "src/core/lib/debug/trace.h"
+ ],
+ "is_filegroup": true,
+ "language": "c",
+ "name": "grpc_trace",
+ "src": [
+ "src/core/lib/debug/trace.c",
+ "src/core/lib/debug/trace.h"
+ ],
+ "third_party": false,
+ "type": "filegroup"
+ },
{
"deps": [
"gpr",
@@ -8833,7 +8883,8 @@
},
{
"deps": [
- "gpr"
+ "gpr",
+ "grpc_trace"
],
"headers": [
"src/core/tsi/fake_transport_security.h",
diff --git a/tools/run_tests/generated/tests.json b/tools/run_tests/generated/tests.json
index 9d8f93d14c13999ffb97ae3cbd6283faee20bdad..04b9c687a88a6aec780502b525a398c6a3e07966 100644
--- a/tools/run_tests/generated/tests.json
+++ b/tools/run_tests/generated/tests.json
@@ -572,7 +572,7 @@
"flaky": false,
"gtest": false,
"language": "c",
- "name": "ev_epoll_linux_test",
+ "name": "ev_epollsig_linux_test",
"platforms": [
"linux"
]
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index 27e282285cb7de70ae56c0b0b1f5af7558f15d0c..83a83948a57920cc0fd91956750e3c9a0e4c28e2 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -75,7 +75,8 @@ _FORCE_ENVIRON_FOR_WRAPPERS = {
_POLLING_STRATEGIES = {
- 'linux': ['epoll', 'poll', 'poll-cv']
+ 'linux': ['epollsig', 'poll', 'poll-cv']
+# TODO(ctiller, sreecha): enable epoll1, epollex, epoll-thread-pool
}
@@ -1431,6 +1432,14 @@ class BuildAndRunError(object):
POST_TEST = object()
+def _has_epollexclusive():
+ try:
+ subprocess.check_call('bins/%s/check_epollexclusive' % args.config)
+ return True
+ except subprocess.CalledProcessError, e:
+ return False
+
+
# returns a list of things that failed (or an empty list on success)
def _build_and_run(
check_cancelled, newline_on_success, xml_report=None, build_only=False):
@@ -1448,6 +1457,10 @@ def _build_and_run(
suite_name=args.report_suite_name)
return []
+ if not args.travis and not _has_epollexclusive() and 'epollex' in _POLLING_STRATEGIES[platform_string()]:
+ print('\n\nOmitting EPOLLEXCLUSIVE tests\n\n')
+ _POLLING_STRATEGIES[platform_string()].remove('epollex')
+
# start antagonists
antagonists = [subprocess.Popen(['tools/run_tests/python_utils/antagonist.py'])
for _ in range(0, args.antagonists)]
diff --git a/vsprojects/buildtests_c.sln b/vsprojects/buildtests_c.sln
index 539f474f9ec59a07ac358a2ef628f896b861d03a..2e8ccf812bd501469e756e5d958a40aaeb531440 100644
--- a/vsprojects/buildtests_c.sln
+++ b/vsprojects/buildtests_c.sln
@@ -162,6 +162,15 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "channel_create_test", "vcxp
{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
EndProjectSection
EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "check_epollexclusive", "vcxproj\.\check_epollexclusive\check_epollexclusive.vcxproj", "{03306445-5BA0-289C-02AB-513DE6C52124}"
+ ProjectSection(myProperties) = preProject
+ lib = "False"
+ EndProjectSection
+ ProjectSection(ProjectDependencies) = postProject
+ {29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+ {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+ EndProjectSection
+EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_hpack_encoder_test", "vcxproj\test\chttp2_hpack_encoder_test\chttp2_hpack_encoder_test.vcxproj", "{19F92966-3B0E-4FF8-CD7C-435D353E079E}"
ProjectSection(myProperties) = preProject
lib = "False"
@@ -1914,6 +1923,22 @@ Global
{AFC88484-3A2E-32BC-25B2-23DF741D4F3D}.Release-DLL|Win32.Build.0 = Release|Win32
{AFC88484-3A2E-32BC-25B2-23DF741D4F3D}.Release-DLL|x64.ActiveCfg = Release|x64
{AFC88484-3A2E-32BC-25B2-23DF741D4F3D}.Release-DLL|x64.Build.0 = Release|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug|Win32.ActiveCfg = Debug|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug|x64.ActiveCfg = Debug|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release|Win32.ActiveCfg = Release|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release|x64.ActiveCfg = Release|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug|Win32.Build.0 = Debug|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug|x64.Build.0 = Debug|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release|Win32.Build.0 = Release|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release|x64.Build.0 = Release|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|Win32.Build.0 = Debug|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|x64.ActiveCfg = Debug|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|x64.Build.0 = Debug|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|Win32.ActiveCfg = Release|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|Win32.Build.0 = Release|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|x64.ActiveCfg = Release|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|x64.Build.0 = Release|x64
{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Debug|Win32.ActiveCfg = Debug|Win32
{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Debug|x64.ActiveCfg = Debug|x64
{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Release|Win32.ActiveCfg = Release|Win32
diff --git a/vsprojects/grpc.sln b/vsprojects/grpc.sln
index 97378e0a0f85984fc6f4a02fd91f4cbac3e5bc86..307ae4b59908e354d29491e08db34aafcb033f30 100644
--- a/vsprojects/grpc.sln
+++ b/vsprojects/grpc.sln
@@ -8,6 +8,15 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ares", "vcxproj\.\ares\ares
lib = "True"
EndProjectSection
EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "check_epollexclusive", "vcxproj\.\check_epollexclusive\check_epollexclusive.vcxproj", "{03306445-5BA0-289C-02AB-513DE6C52124}"
+ ProjectSection(myProperties) = preProject
+ lib = "False"
+ EndProjectSection
+ ProjectSection(ProjectDependencies) = postProject
+ {29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+ {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+ EndProjectSection
+EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "gen_hpack_tables", "vcxproj\.\gen_hpack_tables\gen_hpack_tables.vcxproj", "{FCDEA4C7-7F26-05DB-D08F-A08F499026E6}"
ProjectSection(myProperties) = preProject
lib = "False"
@@ -190,6 +199,22 @@ Global
{1769D06D-F18C-B4C2-B019-31D7F83F3C9A}.Release-DLL|Win32.Build.0 = Release|Win32
{1769D06D-F18C-B4C2-B019-31D7F83F3C9A}.Release-DLL|x64.ActiveCfg = Release|x64
{1769D06D-F18C-B4C2-B019-31D7F83F3C9A}.Release-DLL|x64.Build.0 = Release|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug|Win32.ActiveCfg = Debug|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug|x64.ActiveCfg = Debug|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release|Win32.ActiveCfg = Release|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release|x64.ActiveCfg = Release|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug|Win32.Build.0 = Debug|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug|x64.Build.0 = Debug|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release|Win32.Build.0 = Release|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release|x64.Build.0 = Release|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|Win32.Build.0 = Debug|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|x64.ActiveCfg = Debug|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Debug-DLL|x64.Build.0 = Debug|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|Win32.ActiveCfg = Release|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|Win32.Build.0 = Release|Win32
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|x64.ActiveCfg = Release|x64
+ {03306445-5BA0-289C-02AB-513DE6C52124}.Release-DLL|x64.Build.0 = Release|x64
{FCDEA4C7-7F26-05DB-D08F-A08F499026E6}.Debug|Win32.ActiveCfg = Debug|Win32
{FCDEA4C7-7F26-05DB-D08F-A08F499026E6}.Debug|x64.ActiveCfg = Debug|x64
{FCDEA4C7-7F26-05DB-D08F-A08F499026E6}.Release|Win32.ActiveCfg = Release|Win32
diff --git a/vsprojects/vcxproj/check_epollexclusive/check_epollexclusive.vcxproj b/vsprojects/vcxproj/check_epollexclusive/check_epollexclusive.vcxproj
new file mode 100644
index 0000000000000000000000000000000000000000..36e6fee0db84f2ef59a000a8d6dc1ae94ed8bfbd
--- /dev/null
+++ b/vsprojects/vcxproj/check_epollexclusive/check_epollexclusive.vcxproj
@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <ItemGroup Label="ProjectConfigurations">
+ <ProjectConfiguration Include="Debug|Win32">
+ <Configuration>Debug</Configuration>
+ <Platform>Win32</Platform>
+ </ProjectConfiguration>
+ <ProjectConfiguration Include="Debug|x64">
+ <Configuration>Debug</Configuration>
+ <Platform>x64</Platform>
+ </ProjectConfiguration>
+ <ProjectConfiguration Include="Release|Win32">
+ <Configuration>Release</Configuration>
+ <Platform>Win32</Platform>
+ </ProjectConfiguration>
+ <ProjectConfiguration Include="Release|x64">
+ <Configuration>Release</Configuration>
+ <Platform>x64</Platform>
+ </ProjectConfiguration>
+ </ItemGroup>
+ <PropertyGroup Label="Globals">
+ <ProjectGuid>{03306445-5BA0-289C-02AB-513DE6C52124}</ProjectGuid>
+ <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+ <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+ </PropertyGroup>
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+ <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+ <PlatformToolset>v100</PlatformToolset>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+ <PlatformToolset>v110</PlatformToolset>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+ <PlatformToolset>v120</PlatformToolset>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+ <PlatformToolset>v140</PlatformToolset>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+ <ConfigurationType>StaticLibrary</ConfigurationType>
+ <UseDebugLibraries>true</UseDebugLibraries>
+ <CharacterSet>Unicode</CharacterSet>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+ <ConfigurationType>StaticLibrary</ConfigurationType>
+ <UseDebugLibraries>false</UseDebugLibraries>
+ <WholeProgramOptimization>true</WholeProgramOptimization>
+ <CharacterSet>Unicode</CharacterSet>
+ </PropertyGroup>
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+ <ImportGroup Label="ExtensionSettings">
+ </ImportGroup>
+ <ImportGroup Label="PropertySheets">
+ <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+ <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+ <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+ </ImportGroup>
+ <PropertyGroup Label="UserMacros" />
+ <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+ <TargetName>check_epollexclusive</TargetName>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)'=='Release'">
+ <TargetName>check_epollexclusive</TargetName>
+ </PropertyGroup>
+ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+ <ClCompile>
+ <PrecompiledHeader>NotUsing</PrecompiledHeader>
+ <WarningLevel>Level3</WarningLevel>
+ <Optimization>Disabled</Optimization>
+ <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+ <SDLCheck>true</SDLCheck>
+ <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+ <TreatWarningAsError>true</TreatWarningAsError>
+ <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+ <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+ </ClCompile>
+ <Link>
+ <SubSystem>Console</SubSystem>
+ <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+ <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+ </Link>
+ </ItemDefinitionGroup>
+
+ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+ <ClCompile>
+ <PrecompiledHeader>NotUsing</PrecompiledHeader>
+ <WarningLevel>Level3</WarningLevel>
+ <Optimization>Disabled</Optimization>
+ <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+ <SDLCheck>true</SDLCheck>
+ <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+ <TreatWarningAsError>true</TreatWarningAsError>
+ <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+ <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+ </ClCompile>
+ <Link>
+ <SubSystem>Console</SubSystem>
+ <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+ <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+ </Link>
+ </ItemDefinitionGroup>
+
+ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+ <ClCompile>
+ <PrecompiledHeader>NotUsing</PrecompiledHeader>
+ <WarningLevel>Level3</WarningLevel>
+ <Optimization>MaxSpeed</Optimization>
+ <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+ <FunctionLevelLinking>true</FunctionLevelLinking>
+ <IntrinsicFunctions>true</IntrinsicFunctions>
+ <SDLCheck>true</SDLCheck>
+ <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+ <TreatWarningAsError>true</TreatWarningAsError>
+ <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+ <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+ </ClCompile>
+ <Link>
+ <SubSystem>Console</SubSystem>
+ <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+ <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+ <EnableCOMDATFolding>true</EnableCOMDATFolding>
+ <OptimizeReferences>true</OptimizeReferences>
+ </Link>
+ </ItemDefinitionGroup>
+
+ <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+ <ClCompile>
+ <PrecompiledHeader>NotUsing</PrecompiledHeader>
+ <WarningLevel>Level3</WarningLevel>
+ <Optimization>MaxSpeed</Optimization>
+ <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+ <FunctionLevelLinking>true</FunctionLevelLinking>
+ <IntrinsicFunctions>true</IntrinsicFunctions>
+ <SDLCheck>true</SDLCheck>
+ <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+ <TreatWarningAsError>true</TreatWarningAsError>
+ <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+ <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+ </ClCompile>
+ <Link>
+ <SubSystem>Console</SubSystem>
+ <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+ <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+ <EnableCOMDATFolding>true</EnableCOMDATFolding>
+ <OptimizeReferences>true</OptimizeReferences>
+ </Link>
+ </ItemDefinitionGroup>
+
+ <ItemGroup>
+ <ClCompile Include="$(SolutionDir)\..\test\build\check_epollexclusive.c">
+ </ClCompile>
+ </ItemGroup>
+ <ItemGroup>
+ <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
+ <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+ </ProjectReference>
+ <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
+ <Project>{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}</Project>
+ </ProjectReference>
+ </ItemGroup>
+ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+ <ImportGroup Label="ExtensionTargets">
+ </ImportGroup>
+ <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+ <PropertyGroup>
+ <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them. For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+ </PropertyGroup>
+ </Target>
+</Project>
+
diff --git a/vsprojects/vcxproj/check_epollexclusive/check_epollexclusive.vcxproj.filters b/vsprojects/vcxproj/check_epollexclusive/check_epollexclusive.vcxproj.filters
new file mode 100644
index 0000000000000000000000000000000000000000..5572541d1da5501ae1ff4a0f2a3965b93d9c897e
--- /dev/null
+++ b/vsprojects/vcxproj/check_epollexclusive/check_epollexclusive.vcxproj.filters
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <ItemGroup>
+ <ClCompile Include="$(SolutionDir)\..\test\build\check_epollexclusive.c">
+ <Filter>test\build</Filter>
+ </ClCompile>
+ </ItemGroup>
+
+ <ItemGroup>
+ <Filter Include="test">
+ <UniqueIdentifier>{98195cc4-af1b-3ef2-80a8-86b96fa1c488}</UniqueIdentifier>
+ </Filter>
+ <Filter Include="test\build">
+ <UniqueIdentifier>{c32fe5ee-bf78-58e4-fa70-b9294e48a136}</UniqueIdentifier>
+ </Filter>
+ </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/grpc++/grpc++.vcxproj b/vsprojects/vcxproj/grpc++/grpc++.vcxproj
index 32d2e09a588e90c45cc377a2ac902222c0dbde21..f8fae96d90295771afa25d7934d22dfce4c7e933 100644
--- a/vsprojects/vcxproj/grpc++/grpc++.vcxproj
+++ b/vsprojects/vcxproj/grpc++/grpc++.vcxproj
@@ -386,7 +386,6 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\handshaker_registry.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\compression\algorithm_metadata.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.h" />
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\format_request.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\httpcli.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\parser.h" />
@@ -396,7 +395,11 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\endpoint_pair.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\exec_ctx.h" />
@@ -405,6 +408,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_internal.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\network_status_tracker.h" />
@@ -426,6 +430,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
@@ -437,6 +442,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_generic.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\udp_server.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\unix_sockets_posix.h" />
@@ -482,6 +488,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\timeout_encoding.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\transport.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\transport_impl.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h" />
<ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb.h" />
<ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_common.h" />
<ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.h" />
@@ -588,8 +595,6 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.c">
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
- </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\http\format_request.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\http\httpcli.c">
@@ -610,7 +615,15 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
</ClCompile>
@@ -630,6 +643,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.c">
@@ -702,6 +717,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\udp_server.c">
@@ -810,6 +827,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\transport_op_string.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_common.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.c">
diff --git a/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters b/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
index a3346bc29795ffe2ef945823aa86e1acae1aa14e..73353752b5fa740a300e1e55e4b5ed20ed066137 100644
--- a/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
@@ -151,9 +151,6 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.c">
<Filter>src\core\lib\compression</Filter>
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
- <Filter>src\core\lib\debug</Filter>
- </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\http\format_request.c">
<Filter>src\core\lib\http</Filter>
</ClCompile>
@@ -184,7 +181,19 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
@@ -214,6 +223,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
@@ -322,6 +334,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
@@ -484,6 +499,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\transport_op_string.c">
<Filter>src\core\lib\transport</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
+ <Filter>src\core\lib\debug</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_common.c">
<Filter>third_party\nanopb</Filter>
</ClCompile>
@@ -878,9 +896,6 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.h">
<Filter>src\core\lib\compression</Filter>
</ClInclude>
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h">
- <Filter>src\core\lib\debug</Filter>
- </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\format_request.h">
<Filter>src\core\lib\http</Filter>
</ClInclude>
@@ -908,7 +923,19 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h">
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h">
@@ -935,6 +962,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -998,6 +1028,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -1031,6 +1064,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -1166,6 +1202,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\transport_impl.h">
<Filter>src\core\lib\transport</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h">
+ <Filter>src\core\lib\debug</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb.h">
<Filter>third_party\nanopb</Filter>
</ClInclude>
diff --git a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
index 28ccefc651c817bedd83e604ad0492dbd73f5111..02e3399f0528b4fcc9e694e6e2b8ce93a73917ce 100644
--- a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
@@ -380,7 +380,6 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\handshaker_registry.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\compression\algorithm_metadata.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.h" />
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\format_request.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\httpcli.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\parser.h" />
@@ -390,7 +389,11 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\endpoint_pair.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\exec_ctx.h" />
@@ -399,6 +402,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_internal.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\network_status_tracker.h" />
@@ -420,6 +424,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
@@ -431,6 +436,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_generic.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\udp_server.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\unix_sockets_posix.h" />
@@ -476,6 +482,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\timeout_encoding.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\transport.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\transport_impl.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h" />
<ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb.h" />
<ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_common.h" />
<ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.h" />
@@ -572,8 +579,6 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.c">
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
- </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\http\format_request.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\http\httpcli.c">
@@ -594,7 +599,15 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
</ClCompile>
@@ -614,6 +627,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.c">
@@ -686,6 +701,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\udp_server.c">
@@ -794,6 +811,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\transport_op_string.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_common.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.c">
diff --git a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
index 83f869dab36bcdc1f0b2e662ef5bff2028ddffee..5d7f082fdd197560d8bb5e81845782b4374e6002 100644
--- a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
@@ -136,9 +136,6 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.c">
<Filter>src\core\lib\compression</Filter>
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
- <Filter>src\core\lib\debug</Filter>
- </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\http\format_request.c">
<Filter>src\core\lib\http</Filter>
</ClCompile>
@@ -169,7 +166,19 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
@@ -199,6 +208,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
@@ -307,6 +319,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
@@ -469,6 +484,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\transport_op_string.c">
<Filter>src\core\lib\transport</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
+ <Filter>src\core\lib\debug</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_common.c">
<Filter>third_party\nanopb</Filter>
</ClCompile>
@@ -845,9 +863,6 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.h">
<Filter>src\core\lib\compression</Filter>
</ClInclude>
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h">
- <Filter>src\core\lib\debug</Filter>
- </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\format_request.h">
<Filter>src\core\lib\http</Filter>
</ClInclude>
@@ -875,7 +890,19 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h">
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h">
@@ -902,6 +929,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -965,6 +995,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -998,6 +1031,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -1133,6 +1169,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\transport_impl.h">
<Filter>src\core\lib\transport</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h">
+ <Filter>src\core\lib\debug</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb.h">
<Filter>third_party\nanopb</Filter>
</ClInclude>
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index 86b5856d68a831ffd4714de7ccc23d58be8d71ee..d32958db3842f7e24ae89294e366460ae54e9376 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -310,7 +310,6 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\handshaker_registry.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\compression\algorithm_metadata.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.h" />
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\format_request.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\httpcli.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\parser.h" />
@@ -320,7 +319,11 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\endpoint_pair.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\exec_ctx.h" />
@@ -329,6 +332,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_internal.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\network_status_tracker.h" />
@@ -350,6 +354,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
@@ -361,6 +366,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_generic.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\udp_server.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\unix_sockets_posix.h" />
@@ -406,6 +412,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\timeout_encoding.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\transport.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\transport_impl.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\bin_decoder.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\bin_encoder.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\chttp2_transport.h" />
@@ -529,8 +536,6 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.c">
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
- </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\http\format_request.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\http\httpcli.c">
@@ -551,7 +556,15 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
</ClCompile>
@@ -571,6 +584,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.c">
@@ -643,6 +658,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\udp_server.c">
@@ -751,6 +768,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\transport_op_string.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\secure\server_secure_chttp2.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\bin_decoder.c">
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index 943ad521f755d7feadea2b4d4f6c360b90f420b1..14aa7d458a80a4abb97fd1e5425704b137328924 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -31,9 +31,6 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.c">
<Filter>src\core\lib\compression</Filter>
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
- <Filter>src\core\lib\debug</Filter>
- </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\http\format_request.c">
<Filter>src\core\lib\http</Filter>
</ClCompile>
@@ -64,7 +61,19 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
@@ -94,6 +103,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
@@ -202,6 +214,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
@@ -364,6 +379,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\transport_op_string.c">
<Filter>src\core\lib\transport</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
+ <Filter>src\core\lib\debug</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\secure\server_secure_chttp2.c">
<Filter>src\core\ext\transport\chttp2\server\secure</Filter>
</ClCompile>
@@ -845,9 +863,6 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.h">
<Filter>src\core\lib\compression</Filter>
</ClInclude>
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h">
- <Filter>src\core\lib\debug</Filter>
- </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\format_request.h">
<Filter>src\core\lib\http</Filter>
</ClInclude>
@@ -875,7 +890,19 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h">
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h">
@@ -902,6 +929,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -965,6 +995,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -998,6 +1031,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -1133,6 +1169,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\transport_impl.h">
<Filter>src\core\lib\transport</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h">
+ <Filter>src\core\lib\debug</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\bin_decoder.h">
<Filter>src\core\ext\transport\chttp2\transport</Filter>
</ClInclude>
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
index df89932a97c3ea326a36c9817a5c6d99def5cf57..2f245d55584c0f9fbf65720c3365fdbd7d22417a 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
@@ -205,7 +205,6 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\handshaker_registry.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\compression\algorithm_metadata.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.h" />
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\format_request.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\httpcli.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\parser.h" />
@@ -215,7 +214,11 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\endpoint_pair.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\exec_ctx.h" />
@@ -224,6 +227,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_internal.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\network_status_tracker.h" />
@@ -245,6 +249,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
@@ -256,6 +261,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_generic.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\udp_server.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\unix_sockets_posix.h" />
@@ -301,6 +307,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\timeout_encoding.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\transport.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\transport_impl.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h" />
</ItemGroup>
<ItemGroup>
<ClCompile Include="$(SolutionDir)\..\test\core\end2end\data\client_certs.c">
@@ -361,8 +368,6 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.c">
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
- </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\http\format_request.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\http\httpcli.c">
@@ -383,7 +388,15 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
</ClCompile>
@@ -403,6 +416,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.c">
@@ -475,6 +490,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\udp_server.c">
@@ -583,6 +600,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\transport_op_string.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
+ </ClCompile>
</ItemGroup>
<ItemGroup>
<ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
index 22cfbe14d4dd5a0ecb635eacb4befdecdb7b8724..d2caf223a5e2c2ee9d2e668330f109ea8611e8ed 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
@@ -88,9 +88,6 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.c">
<Filter>src\core\lib\compression</Filter>
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
- <Filter>src\core\lib\debug</Filter>
- </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\http\format_request.c">
<Filter>src\core\lib\http</Filter>
</ClCompile>
@@ -121,7 +118,19 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
@@ -151,6 +160,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
@@ -259,6 +271,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
@@ -421,6 +436,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\transport_op_string.c">
<Filter>src\core\lib\transport</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
+ <Filter>src\core\lib\debug</Filter>
+ </ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer.h">
@@ -593,9 +611,6 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.h">
<Filter>src\core\lib\compression</Filter>
</ClInclude>
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h">
- <Filter>src\core\lib\debug</Filter>
- </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\format_request.h">
<Filter>src\core\lib\http</Filter>
</ClInclude>
@@ -623,7 +638,19 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h">
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h">
@@ -650,6 +677,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -713,6 +743,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -746,6 +779,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -881,6 +917,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\transport_impl.h">
<Filter>src\core\lib\transport</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h">
+ <Filter>src\core\lib\debug</Filter>
+ </ClInclude>
</ItemGroup>
<ItemGroup>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index 2db0ffa692018268a7ea1a4958318658774bf0f1..88fa5b1318e6610266f3b100f07d3c4172d91fc7 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -300,7 +300,6 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\handshaker_registry.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\compression\algorithm_metadata.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.h" />
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\format_request.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\httpcli.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\parser.h" />
@@ -310,7 +309,11 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\endpoint_pair.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\exec_ctx.h" />
@@ -319,6 +322,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_internal.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\network_status_tracker.h" />
@@ -340,6 +344,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_utils_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client_posix.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_posix.h" />
@@ -351,6 +356,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_generic.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\udp_server.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\unix_sockets_posix.h" />
@@ -396,6 +402,7 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\timeout_encoding.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\transport.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\transport_impl.h" />
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\bin_decoder.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\bin_encoder.h" />
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\chttp2_transport.h" />
@@ -496,8 +503,6 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.c">
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
- </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\http\format_request.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\http\httpcli.c">
@@ -518,7 +523,15 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
</ClCompile>
@@ -538,6 +551,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\lockfree_event.c">
@@ -610,6 +625,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\udp_server.c">
@@ -718,6 +735,8 @@
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\transport_op_string.c">
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2.c">
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2_posix.c">
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index c7d6670db1b4d22249abc4b4ec51a0a5467a8032..87d7f53c87c1ce236ea59583284f0e1fd2fc43c4 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -34,9 +34,6 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.c">
<Filter>src\core\lib\compression</Filter>
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
- <Filter>src\core\lib\debug</Filter>
- </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\http\format_request.c">
<Filter>src\core\lib\http</Filter>
</ClCompile>
@@ -67,7 +64,19 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\error.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
- <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.c">
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.c">
@@ -97,6 +106,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_windows.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
@@ -205,6 +217,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.c">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.c">
<Filter>src\core\lib\iomgr</Filter>
</ClCompile>
@@ -367,6 +382,9 @@
<ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\transport_op_string.c">
<Filter>src\core\lib\transport</Filter>
</ClCompile>
+ <ClCompile Include="$(SolutionDir)\..\src\core\lib\debug\trace.c">
+ <Filter>src\core\lib\debug</Filter>
+ </ClCompile>
<ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2.c">
<Filter>src\core\ext\transport\chttp2\server\insecure</Filter>
</ClCompile>
@@ -755,9 +773,6 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\compression\message_compress.h">
<Filter>src\core\lib\compression</Filter>
</ClInclude>
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h">
- <Filter>src\core\lib\debug</Filter>
- </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\http\format_request.h">
<Filter>src\core\lib\http</Filter>
</ClInclude>
@@ -785,7 +800,19 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
- <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_linux.h">
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_poll_posix.h">
@@ -812,6 +839,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\iomgr_posix.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\is_epollexclusive_available.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\load_file.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -875,6 +905,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\socket_windows.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\sys_epoll_wrapper.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\tcp_client.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -908,6 +941,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_heap.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_manager.h">
+ <Filter>src\core\lib\iomgr</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\timer_uv.h">
<Filter>src\core\lib\iomgr</Filter>
</ClInclude>
@@ -1043,6 +1079,9 @@
<ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\transport_impl.h">
<Filter>src\core\lib\transport</Filter>
</ClInclude>
+ <ClInclude Include="$(SolutionDir)\..\src\core\lib\debug\trace.h">
+ <Filter>src\core\lib\debug</Filter>
+ </ClInclude>
<ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\bin_decoder.h">
<Filter>src\core\ext\transport\chttp2\transport</Filter>
</ClInclude>