diff --git a/Makefile b/Makefile
index cba29d0086006e9c49f59d6a594f317120c30146..c4d96c06fb67340b3151a096cac2dc13c3f9f52b 100644
--- a/Makefile
+++ b/Makefile
@@ -719,6 +719,7 @@ chttp2_fake_security_request_response_with_metadata_and_payload_test: $(BINDIR)/
 chttp2_fake_security_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_payload_test
 chttp2_fake_security_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_payload_and_call_creds_test
 chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test
+chttp2_fake_security_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_flags_test
 chttp2_fake_security_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_large_metadata_test
 chttp2_fake_security_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_payload_test
 chttp2_fake_security_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_server_finishes_request_test
@@ -748,6 +749,7 @@ chttp2_fullstack_request_response_with_metadata_and_payload_test: $(BINDIR)/$(CO
 chttp2_fullstack_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_test
 chttp2_fullstack_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_and_call_creds_test
 chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test
+chttp2_fullstack_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_test
 chttp2_fullstack_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_test
 chttp2_fullstack_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_payload_test
 chttp2_fullstack_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_server_finishes_request_test
@@ -777,6 +779,7 @@ chttp2_fullstack_uds_posix_request_response_with_metadata_and_payload_test: $(BI
 chttp2_fullstack_uds_posix_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_payload_test
 chttp2_fullstack_uds_posix_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_payload_and_call_creds_test
 chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_test
+chttp2_fullstack_uds_posix_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_test
 chttp2_fullstack_uds_posix_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_large_metadata_test
 chttp2_fullstack_uds_posix_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_payload_test
 chttp2_fullstack_uds_posix_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_server_finishes_request_test
@@ -806,6 +809,7 @@ chttp2_fullstack_with_poll_request_response_with_metadata_and_payload_test: $(BI
 chttp2_fullstack_with_poll_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_payload_test
 chttp2_fullstack_with_poll_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_payload_and_call_creds_test
 chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test
+chttp2_fullstack_with_poll_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_test
 chttp2_fullstack_with_poll_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_large_metadata_test
 chttp2_fullstack_with_poll_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_payload_test
 chttp2_fullstack_with_poll_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_server_finishes_request_test
@@ -835,6 +839,7 @@ chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test: $(B
 chttp2_simple_ssl_fullstack_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_payload_test
 chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test
 chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test
+chttp2_simple_ssl_fullstack_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_flags_test
 chttp2_simple_ssl_fullstack_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_large_metadata_test
 chttp2_simple_ssl_fullstack_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_payload_test
 chttp2_simple_ssl_fullstack_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_server_finishes_request_test
@@ -864,6 +869,7 @@ chttp2_simple_ssl_fullstack_with_poll_request_response_with_metadata_and_payload
 chttp2_simple_ssl_fullstack_with_poll_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_response_with_payload_test
 chttp2_simple_ssl_fullstack_with_poll_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_response_with_payload_and_call_creds_test
 chttp2_simple_ssl_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test
+chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test
 chttp2_simple_ssl_fullstack_with_poll_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_with_large_metadata_test
 chttp2_simple_ssl_fullstack_with_poll_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_with_payload_test
 chttp2_simple_ssl_fullstack_with_poll_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_server_finishes_request_test
@@ -893,6 +899,7 @@ chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_paylo
 chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test
 chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_and_call_creds_test
 chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test
+chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test
 chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test
 chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_test
 chttp2_simple_ssl_with_oauth2_fullstack_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_server_finishes_request_test
@@ -922,6 +929,7 @@ chttp2_socket_pair_request_response_with_metadata_and_payload_test: $(BINDIR)/$(
 chttp2_socket_pair_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_test
 chttp2_socket_pair_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_and_call_creds_test
 chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test
+chttp2_socket_pair_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_test
 chttp2_socket_pair_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_test
 chttp2_socket_pair_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_payload_test
 chttp2_socket_pair_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_server_finishes_request_test
@@ -951,6 +959,7 @@ chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload
 chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test
 chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_and_call_creds_test
 chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test
+chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test
 chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test
 chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test
 chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_test
@@ -980,6 +989,7 @@ chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_te
 chttp2_socket_pair_with_grpc_trace_request_response_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_payload_test
 chttp2_socket_pair_with_grpc_trace_request_response_with_payload_and_call_creds_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_payload_and_call_creds_test
 chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test
+chttp2_socket_pair_with_grpc_trace_request_with_flags_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_test
 chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test
 chttp2_socket_pair_with_grpc_trace_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_payload_test
 chttp2_socket_pair_with_grpc_trace_server_finishes_request_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_server_finishes_request_test
@@ -1008,6 +1018,7 @@ chttp2_fullstack_request_response_with_binary_metadata_and_payload_unsecure_test
 chttp2_fullstack_request_response_with_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_metadata_and_payload_unsecure_test
 chttp2_fullstack_request_response_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_unsecure_test
 chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test
+chttp2_fullstack_request_with_flags_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_unsecure_test
 chttp2_fullstack_request_with_large_metadata_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_unsecure_test
 chttp2_fullstack_request_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_payload_unsecure_test
 chttp2_fullstack_server_finishes_request_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_server_finishes_request_unsecure_test
@@ -1036,6 +1047,7 @@ chttp2_fullstack_uds_posix_request_response_with_binary_metadata_and_payload_uns
 chttp2_fullstack_uds_posix_request_response_with_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_metadata_and_payload_unsecure_test
 chttp2_fullstack_uds_posix_request_response_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_payload_unsecure_test
 chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_unsecure_test
+chttp2_fullstack_uds_posix_request_with_flags_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_unsecure_test
 chttp2_fullstack_uds_posix_request_with_large_metadata_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_large_metadata_unsecure_test
 chttp2_fullstack_uds_posix_request_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_payload_unsecure_test
 chttp2_fullstack_uds_posix_server_finishes_request_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_server_finishes_request_unsecure_test
@@ -1064,6 +1076,7 @@ chttp2_fullstack_with_poll_request_response_with_binary_metadata_and_payload_uns
 chttp2_fullstack_with_poll_request_response_with_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_metadata_and_payload_unsecure_test
 chttp2_fullstack_with_poll_request_response_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_payload_unsecure_test
 chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test
+chttp2_fullstack_with_poll_request_with_flags_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_unsecure_test
 chttp2_fullstack_with_poll_request_with_large_metadata_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_large_metadata_unsecure_test
 chttp2_fullstack_with_poll_request_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_payload_unsecure_test
 chttp2_fullstack_with_poll_server_finishes_request_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_server_finishes_request_unsecure_test
@@ -1092,6 +1105,7 @@ chttp2_socket_pair_request_response_with_binary_metadata_and_payload_unsecure_te
 chttp2_socket_pair_request_response_with_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_metadata_and_payload_unsecure_test
 chttp2_socket_pair_request_response_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_unsecure_test
 chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test
+chttp2_socket_pair_request_with_flags_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_unsecure_test
 chttp2_socket_pair_request_with_large_metadata_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_unsecure_test
 chttp2_socket_pair_request_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_payload_unsecure_test
 chttp2_socket_pair_server_finishes_request_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_server_finishes_request_unsecure_test
@@ -1120,6 +1134,7 @@ chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_
 chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_unsecure_test
 chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test
 chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test
+chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test
 chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test
 chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test
 chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_unsecure_test
@@ -1148,6 +1163,7 @@ chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_pay
 chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_unsecure_test
 chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test
 chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test
+chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test
 chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test
 chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test
 chttp2_socket_pair_with_grpc_trace_server_finishes_request_unsecure_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_server_finishes_request_unsecure_test
@@ -1238,13 +1254,13 @@ plugins: $(PROTOC_PLUGINS)
 
 privatelibs: privatelibs_c privatelibs_cxx
 
-privatelibs_c:  $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fake_security.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds_posix.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_with_grpc_trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_bad_hostname.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept_and_writes_closed.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_invoke.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_before_invoke.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_in_a_vacuum.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_disappearing_server.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_inflight_calls.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_tags.a $(LIBDIR)/$(CONFIG)/libend2end_test_empty_batch.a $(LIBDIR)/$(CONFIG)/libend2end_test_graceful_server_shutdown.a $(LIBDIR)/$(CONFIG)/libend2end_test_invoke_large_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_max_concurrent_streams.a $(LIBDIR)/$(CONFIG)/libend2end_test_max_message_length.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libend2end_test_ping_pong_streaming.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_binary_metadata_and_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_metadata_and_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_payload_and_call_creds.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_trailing_metadata_and_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_server_finishes_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_delayed_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_request_with_high_initial_sequence_number.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libbad_client_test.a
+privatelibs_c:  $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fake_security.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds_posix.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_with_grpc_trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_bad_hostname.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept_and_writes_closed.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_invoke.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_before_invoke.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_in_a_vacuum.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_disappearing_server.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_inflight_calls.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_tags.a $(LIBDIR)/$(CONFIG)/libend2end_test_empty_batch.a $(LIBDIR)/$(CONFIG)/libend2end_test_graceful_server_shutdown.a $(LIBDIR)/$(CONFIG)/libend2end_test_invoke_large_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_max_concurrent_streams.a $(LIBDIR)/$(CONFIG)/libend2end_test_max_message_length.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libend2end_test_ping_pong_streaming.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_binary_metadata_and_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_metadata_and_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_payload_and_call_creds.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_trailing_metadata_and_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_server_finishes_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_delayed_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_request_with_high_initial_sequence_number.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libbad_client_test.a
 
 privatelibs_cxx:  $(LIBDIR)/$(CONFIG)/libgrpc++_benchmark_config.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a $(LIBDIR)/$(CONFIG)/libinterop_client_main.a $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a $(LIBDIR)/$(CONFIG)/libinterop_server_main.a $(LIBDIR)/$(CONFIG)/libqps.a
 
 buildtests: buildtests_c buildtests_cxx
 
-buildtests_c: privatelibs_c $(BINDIR)/$(CONFIG)/alarm_heap_test $(BINDIR)/$(CONFIG)/alarm_list_test $(BINDIR)/$(CONFIG)/alarm_test $(BINDIR)/$(CONFIG)/alpn_test $(BINDIR)/$(CONFIG)/bin_encoder_test $(BINDIR)/$(CONFIG)/chttp2_status_conversion_test $(BINDIR)/$(CONFIG)/chttp2_stream_encoder_test $(BINDIR)/$(CONFIG)/chttp2_stream_map_test $(BINDIR)/$(CONFIG)/dualstack_socket_test $(BINDIR)/$(CONFIG)/fd_posix_test $(BINDIR)/$(CONFIG)/fling_client $(BINDIR)/$(CONFIG)/fling_server $(BINDIR)/$(CONFIG)/fling_stream_test $(BINDIR)/$(CONFIG)/fling_test $(BINDIR)/$(CONFIG)/gpr_cancellable_test $(BINDIR)/$(CONFIG)/gpr_cmdline_test $(BINDIR)/$(CONFIG)/gpr_env_test $(BINDIR)/$(CONFIG)/gpr_file_test $(BINDIR)/$(CONFIG)/gpr_histogram_test $(BINDIR)/$(CONFIG)/gpr_host_port_test $(BINDIR)/$(CONFIG)/gpr_log_test $(BINDIR)/$(CONFIG)/gpr_slice_buffer_test $(BINDIR)/$(CONFIG)/gpr_slice_test $(BINDIR)/$(CONFIG)/gpr_string_test $(BINDIR)/$(CONFIG)/gpr_sync_test $(BINDIR)/$(CONFIG)/gpr_thd_test $(BINDIR)/$(CONFIG)/gpr_time_test $(BINDIR)/$(CONFIG)/gpr_tls_test $(BINDIR)/$(CONFIG)/gpr_useful_test $(BINDIR)/$(CONFIG)/grpc_auth_context_test $(BINDIR)/$(CONFIG)/grpc_base64_test $(BINDIR)/$(CONFIG)/grpc_byte_buffer_reader_test $(BINDIR)/$(CONFIG)/grpc_channel_stack_test $(BINDIR)/$(CONFIG)/grpc_completion_queue_test $(BINDIR)/$(CONFIG)/grpc_credentials_test $(BINDIR)/$(CONFIG)/grpc_json_token_test $(BINDIR)/$(CONFIG)/grpc_stream_op_test $(BINDIR)/$(CONFIG)/hpack_parser_test $(BINDIR)/$(CONFIG)/hpack_table_test $(BINDIR)/$(CONFIG)/httpcli_format_request_test $(BINDIR)/$(CONFIG)/httpcli_parser_test $(BINDIR)/$(CONFIG)/httpcli_test $(BINDIR)/$(CONFIG)/json_rewrite $(BINDIR)/$(CONFIG)/json_rewrite_test $(BINDIR)/$(CONFIG)/json_test $(BINDIR)/$(CONFIG)/lame_client_test $(BINDIR)/$(CONFIG)/message_compress_test $(BINDIR)/$(CONFIG)/multi_init_test $(BINDIR)/$(CONFIG)/murmur_hash_test $(BINDIR)/$(CONFIG)/no_server_test $(BINDIR)/$(CONFIG)/poll_kick_posix_test $(BINDIR)/$(CONFIG)/resolve_address_test $(BINDIR)/$(CONFIG)/secure_endpoint_test $(BINDIR)/$(CONFIG)/sockaddr_utils_test $(BINDIR)/$(CONFIG)/tcp_client_posix_test $(BINDIR)/$(CONFIG)/tcp_posix_test $(BINDIR)/$(CONFIG)/tcp_server_posix_test $(BINDIR)/$(CONFIG)/time_averaged_stats_test $(BINDIR)/$(CONFIG)/time_test $(BINDIR)/$(CONFIG)/timeout_encoding_test $(BINDIR)/$(CONFIG)/timers_test $(BINDIR)/$(CONFIG)/transport_metadata_test $(BINDIR)/$(CONFIG)/transport_security_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_server_finishes_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_server_finishes_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_server_finishes_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_server_finishes_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_no_op_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_server_finishes_request_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_bad_hostname_test 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$(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test $(BINDIR)/$(CONFIG)/initial_settings_frame_bad_client_test
 
 buildtests_cxx: privatelibs_cxx $(BINDIR)/$(CONFIG)/async_end2end_test $(BINDIR)/$(CONFIG)/async_streaming_ping_pong_test $(BINDIR)/$(CONFIG)/async_unary_ping_pong_test $(BINDIR)/$(CONFIG)/channel_arguments_test $(BINDIR)/$(CONFIG)/cli_call_test $(BINDIR)/$(CONFIG)/client_crash_test $(BINDIR)/$(CONFIG)/client_crash_test_server $(BINDIR)/$(CONFIG)/credentials_test $(BINDIR)/$(CONFIG)/cxx_time_test $(BINDIR)/$(CONFIG)/end2end_test $(BINDIR)/$(CONFIG)/generic_end2end_test $(BINDIR)/$(CONFIG)/grpc_cli $(BINDIR)/$(CONFIG)/interop_client $(BINDIR)/$(CONFIG)/interop_server $(BINDIR)/$(CONFIG)/interop_test $(BINDIR)/$(CONFIG)/mock_test $(BINDIR)/$(CONFIG)/qps_interarrival_test $(BINDIR)/$(CONFIG)/qps_test $(BINDIR)/$(CONFIG)/qps_test_openloop $(BINDIR)/$(CONFIG)/server_crash_test $(BINDIR)/$(CONFIG)/server_crash_test_client $(BINDIR)/$(CONFIG)/status_test $(BINDIR)/$(CONFIG)/sync_streaming_ping_pong_test $(BINDIR)/$(CONFIG)/sync_unary_ping_pong_test $(BINDIR)/$(CONFIG)/thread_pool_test $(BINDIR)/$(CONFIG)/thread_stress_test
 
@@ -1415,6 +1431,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_payload_and_call_creds_test || ( echo test chttp2_fake_security_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fake_security_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_flags_test || ( echo test chttp2_fake_security_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fake_security_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_large_metadata_test || ( echo test chttp2_fake_security_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fake_security_request_with_payload_test"
@@ -1469,6 +1487,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_and_call_creds_test || ( echo test chttp2_fullstack_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fullstack_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_test || ( echo test chttp2_fullstack_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_test || ( echo test chttp2_fullstack_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_request_with_payload_test"
@@ -1523,6 +1543,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_payload_and_call_creds_test || ( echo test chttp2_fullstack_uds_posix_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fullstack_uds_posix_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_test || ( echo test chttp2_fullstack_uds_posix_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_uds_posix_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_large_metadata_test || ( echo test chttp2_fullstack_uds_posix_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_uds_posix_request_with_payload_test"
@@ -1577,6 +1599,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_payload_and_call_creds_test || ( echo test chttp2_fullstack_with_poll_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fullstack_with_poll_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_test || ( echo test chttp2_fullstack_with_poll_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_with_poll_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_large_metadata_test || ( echo test chttp2_fullstack_with_poll_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_with_poll_request_with_payload_test"
@@ -1631,6 +1655,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test || ( echo test chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_flags_test || ( echo test chttp2_simple_ssl_fullstack_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_large_metadata_test || ( echo test chttp2_simple_ssl_fullstack_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_request_with_payload_test"
@@ -1685,6 +1711,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_response_with_payload_and_call_creds_test || ( echo test chttp2_simple_ssl_fullstack_with_poll_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_simple_ssl_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test || ( echo test chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_with_poll_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_with_large_metadata_test || ( echo test chttp2_simple_ssl_fullstack_with_poll_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_with_poll_request_with_payload_test"
@@ -1739,6 +1767,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_and_call_creds_test || ( echo test chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test || ( echo test chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test || ( echo test chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_test"
@@ -1793,6 +1823,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_and_call_creds_test || ( echo test chttp2_socket_pair_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_socket_pair_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_test || ( echo test chttp2_socket_pair_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_test || ( echo test chttp2_socket_pair_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_request_with_payload_test"
@@ -1847,6 +1879,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_and_call_creds_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test"
@@ -1901,6 +1935,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_payload_and_call_creds_test || ( echo test chttp2_socket_pair_with_grpc_trace_request_response_with_payload_and_call_creds_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test || ( echo test chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_socket_pair_with_grpc_trace_request_with_flags_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_test || ( echo test chttp2_socket_pair_with_grpc_trace_request_with_flags_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test || ( echo test chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_with_grpc_trace_request_with_payload_test"
@@ -1955,6 +1991,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_unsecure_test || ( echo test chttp2_fullstack_request_response_with_payload_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test || ( echo test chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fullstack_request_with_flags_unsecure_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_unsecure_test || ( echo test chttp2_fullstack_request_with_flags_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_request_with_large_metadata_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_unsecure_test || ( echo test chttp2_fullstack_request_with_large_metadata_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_request_with_payload_unsecure_test"
@@ -2009,6 +2047,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_payload_unsecure_test || ( echo test chttp2_fullstack_uds_posix_request_response_with_payload_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_unsecure_test || ( echo test chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_unsecure_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fullstack_uds_posix_request_with_flags_unsecure_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_unsecure_test || ( echo test chttp2_fullstack_uds_posix_request_with_flags_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_uds_posix_request_with_large_metadata_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_large_metadata_unsecure_test || ( echo test chttp2_fullstack_uds_posix_request_with_large_metadata_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_uds_posix_request_with_payload_unsecure_test"
@@ -2063,6 +2103,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_payload_unsecure_test || ( echo test chttp2_fullstack_with_poll_request_response_with_payload_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test || ( echo test chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fullstack_with_poll_request_with_flags_unsecure_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_unsecure_test || ( echo test chttp2_fullstack_with_poll_request_with_flags_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_with_poll_request_with_large_metadata_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_large_metadata_unsecure_test || ( echo test chttp2_fullstack_with_poll_request_with_large_metadata_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_with_poll_request_with_payload_unsecure_test"
@@ -2117,6 +2159,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_unsecure_test || ( echo test chttp2_socket_pair_request_response_with_payload_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test || ( echo test chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_socket_pair_request_with_flags_unsecure_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_unsecure_test || ( echo test chttp2_socket_pair_request_with_flags_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_request_with_large_metadata_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_unsecure_test || ( echo test chttp2_socket_pair_request_with_large_metadata_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_request_with_payload_unsecure_test"
@@ -2171,6 +2215,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test"
@@ -2225,6 +2271,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test || ( echo test chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test || ( echo test chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test || ( echo test chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test || ( echo test chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test"
@@ -4971,6 +5019,29 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
+LIBEND2END_TEST_REQUEST_WITH_FLAGS_SRC = \
+    test/core/end2end/tests/request_with_flags.c \
+
+
+LIBEND2END_TEST_REQUEST_WITH_FLAGS_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBEND2END_TEST_REQUEST_WITH_FLAGS_SRC))))
+
+$(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a: $(ZLIB_DEP) $(LIBEND2END_TEST_REQUEST_WITH_FLAGS_OBJS)
+	$(E) "[AR]      Creating $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a
+	$(Q) $(AR) rcs $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBEND2END_TEST_REQUEST_WITH_FLAGS_OBJS)
+ifeq ($(SYSTEM),Darwin)
+	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a
+endif
+
+
+
+
+ifneq ($(NO_DEPS),true)
+-include $(LIBEND2END_TEST_REQUEST_WITH_FLAGS_OBJS:.o=.dep)
+endif
+
+
 LIBEND2END_TEST_REQUEST_WITH_LARGE_METADATA_SRC = \
     test/core/end2end/tests/request_with_large_metadata.c \
 
@@ -8933,6 +9004,24 @@ endif
 
 
 
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fake_security.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fake_security.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)/chttp2_fake_security_request_with_flags_test
+
+endif
+
+
+
+
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
@@ -9455,6 +9544,24 @@ endif
 
 
 
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)/chttp2_fullstack_request_with_flags_test
+
+endif
+
+
+
+
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
@@ -9977,6 +10084,24 @@ endif
 
 
 
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds_posix.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds_posix.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)/chttp2_fullstack_uds_posix_request_with_flags_test
+
+endif
+
+
+
+
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
@@ -10499,6 +10624,24 @@ endif
 
 
 
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)/chttp2_fullstack_with_poll_request_with_flags_test
+
+endif
+
+
+
+
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
@@ -11021,6 +11164,24 @@ endif
 
 
 
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)/chttp2_simple_ssl_fullstack_request_with_flags_test
+
+endif
+
+
+
+
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
@@ -11543,6 +11704,24 @@ endif
 
 
 
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)/chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test
+
+endif
+
+
+
+
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
@@ -12065,6 +12244,24 @@ endif
 
 
 
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test
+
+endif
+
+
+
+
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
@@ -12587,6 +12784,24 @@ endif
 
 
 
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)/chttp2_socket_pair_request_with_flags_test
+
+endif
+
+
+
+
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
@@ -13109,6 +13324,24 @@ endif
 
 
 
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test
+
+endif
+
+
+
+
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
@@ -13631,6 +13864,24 @@ endif
 
 
 
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_with_grpc_trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_with_grpc_trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(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)/chttp2_socket_pair_with_grpc_trace_request_with_flags_test
+
+endif
+
+
+
+
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL with ALPN.
@@ -13915,6 +14166,14 @@ $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_trailing_metadata_and
 
 
 
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_unsecure_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -14139,6 +14398,14 @@ $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_trailing_me
 
 
 
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds_posix.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds_posix.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_unsecure_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_large_metadata_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds_posix.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -14363,6 +14630,14 @@ $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_trailing_me
 
 
 
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_unsecure_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_large_metadata_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_with_poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -14587,6 +14862,14 @@ $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_trailing_metadata_a
 
 
 
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_unsecure_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -14811,6 +15094,14 @@ $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_
 
 
 
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -15035,6 +15326,14 @@ $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_tra
 
 
 
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_with_grpc_trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_with_grpc_trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_with_grpc_trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
diff --git a/build.json b/build.json
index 9b128076b7e5dffc87b244e1505e9a5120dcbdda..e8c23c6aeb0e0ea5d4679906922c5564821fa681 100644
--- a/build.json
+++ b/build.json
@@ -1361,6 +1361,9 @@
         "grpc",
         "gpr_test_util",
         "gpr"
+      ],
+      "platforms": [
+        "posix"
       ]
     },
     {
diff --git a/doc/connectivity-semantics-and-api.md b/doc/connectivity-semantics-and-api.md
index 842ff8adc184c24ce356b60562ce3e6485547f29..930dff265fefea752296043f01adff5bd7228c35 100644
--- a/doc/connectivity-semantics-and-api.md
+++ b/doc/connectivity-semantics-and-api.md
@@ -20,7 +20,7 @@ channel, we use a state machine with four states, defined below:
 
 CONNECTING: The channel is trying to establish a connection and is waiting to
 make progress on one of the steps involved in name resolution, TCP connection
-establishment or TLS handshake. This is the initial state for all channels upon
+establishment or TLS handshake. This may be used as the initial state for channels upon
 creation.
 
 READY: The channel has successfully established a connection all the way
@@ -34,14 +34,26 @@ retries are done with exponential backoff, channels that fail to connect will
 start out spending very little time in this state but as the attempts fail
 repeatedly, the channel will spend increasingly large amounts of time in this
 state. For many non-fatal failures (e.g., TCP connection attempts timing out
-because the server is not yet available), the channel may be stuck in this
-state for an indefinitely large amount of time.
-
-FATAL_FAILURE: There has been a fatal failure and the channel will never
-attempt to establish a connection again.  (e.g., a server presenting an invalid
-TLS certificate)
-
-Channels that enter this state never leave this state.
+because the server is not yet available), the channel may spend increasingly
+large amounts of time in this state.
+
+IDLE: This is the state where the channel is not even trying to create a
+connection because of a lack of new or pending RPCs. New channels MAY be created
+in this state. Any attempt to start an RPC on the channel will push the channel
+out of this state to connecting. When there has been no RPC activity on a channel
+for a specified IDLE_TIMEOUT, i.e., no new or pending (active) RPCs for this
+period, channels that are READY or CONNECTING switch to IDLE. Additionaly,
+channels that receive a GOAWAY when there are no active or pending RPCs should
+also switch to IDLE to avoid connection overload at servers that are attempting
+to shed connections. We will use a default IDLE_TIMEOUT of 300 seconds (5 minutes).
+
+SHUTDOWN: This channel has started shutting down. Any new RPCs should fail
+immediately. Pending RPCs may continue running till the application cancels them.
+Channels may enter this state either because the application explicitly requested
+a shutdown or if a non-recoverable error has happened during attempts to connect
+communicate . (As of 6/12/2015, there are no known errors (while connecting or
+communicating) that are classified as non-recoverable) 
+Channels that enter this state never leave this state. 
 
 The following table lists the legal transitions from one state to another and
 corresponding reasons. Empty cells denote disallowed transitions.
@@ -52,14 +64,16 @@ corresponding reasons. Empty cells denote disallowed transitions.
     <th>CONNECTING</th>
     <th>READY</th>
     <th>TRANSIENT_FAILURE</th>
-    <th>FATAL_FAILURE</th>
+    <th>IDLE</th>
+    <th>SHUTDOWN</th>
   </tr>
   <tr>
     <th>CONNECTING</th>
     <td>Incremental progress during connection establishment</td>
     <td>All steps needed to establish a connection succeeded</td>
     <td>Any failure in any of the steps needed to establish connection</td>
-    <td>Fatal failure encountered while attempting a connection.</td>
+    <td>No RPC activity on channel for IDLE_TIMEOUT</td>
+    <td>Shutdown triggered by application.</td>
   </tr>
   <tr>
     <th>READY</th>
@@ -67,7 +81,8 @@ corresponding reasons. Empty cells denote disallowed transitions.
     <td>Incremental successful communication on established channel.</td>
     <td>Any failure encountered while expecting successful communication on
         established channel.</td>
-    <td></td>
+    <td>No RPC activity on channel for IDLE_TIMEOUT <br>OR<br>upon receiving a GOAWAY while there are no pending RPCs.</td>
+    <td>Shutdown triggered by application.</td>
   </tr>
   <tr>
     <th>TRANSIENT_FAILURE</th>
@@ -75,6 +90,15 @@ corresponding reasons. Empty cells denote disallowed transitions.
     <td></td>
     <td></td>
     <td></td>
+    <td>Shutdown triggered by application.</td>
+  </tr>
+  <tr>
+    <th>IDLE</th>
+    <td>Any new RPC activity on the channel</td>
+    <td></td>
+    <td></td>
+    <td></td>
+    <td>Shutdown triggered by application.</td>
   </tr>
   <tr>
     <th>FATAL_FAILURE</th>
@@ -82,6 +106,7 @@ corresponding reasons. Empty cells denote disallowed transitions.
     <td></td>
     <td></td>
     <td></td>
+    <td></td>
   </tr>
 </table>
 
diff --git a/gRPC.podspec b/gRPC.podspec
index eaebb27423f789d530284b19d05309b420dfb7f2..ad621cd2e8a4b127f147eb94d55fb46b4834414b 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name     = 'gRPC'
-  s.version  = '0.5.1'
+  s.version  = '0.6.0'
   s.summary  = 'gRPC client library for iOS/OSX'
   s.homepage = 'http://www.grpc.io'
   s.license  = 'New BSD'
diff --git a/include/grpc++/async_unary_call.h b/include/grpc++/async_unary_call.h
index 786f8c718469015b9c6bf0e5ad5735a2262ec5f0..abb6308782db4263e38a1772642797b2c010e05a 100644
--- a/include/grpc++/async_unary_call.h
+++ b/include/grpc++/async_unary_call.h
@@ -117,7 +117,7 @@ class ServerAsyncResponseWriter GRPC_FINAL
       ctx_->sent_initial_metadata_ = true;
     }
     // The response is dropped if the status is not OK.
-    if (status.IsOk()) {
+    if (status.ok()) {
       finish_buf_.AddSendMessage(msg);
     }
     finish_buf_.AddServerSendStatus(&ctx_->trailing_metadata_, status);
@@ -125,7 +125,7 @@ class ServerAsyncResponseWriter GRPC_FINAL
   }
 
   void FinishWithError(const Status& status, void* tag) {
-    GPR_ASSERT(!status.IsOk());
+    GPR_ASSERT(!status.ok());
     finish_buf_.Reset(tag);
     if (!ctx_->sent_initial_metadata_) {
       finish_buf_.AddSendInitialMetadata(&ctx_->initial_metadata_);
diff --git a/include/grpc++/client_context.h b/include/grpc++/client_context.h
index 6d9015f278cc852ab4a0d37943e3ff87b6384844..ecf4cc7f7b5ffb05d175795c63d60dc9129ca6ad 100644
--- a/include/grpc++/client_context.h
+++ b/include/grpc++/client_context.h
@@ -41,6 +41,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc++/config.h>
+#include <grpc++/status.h>
 #include <grpc++/time.h>
 
 struct grpc_call;
@@ -53,7 +54,6 @@ class ChannelInterface;
 class CompletionQueue;
 class Credentials;
 class RpcMethod;
-class Status;
 template <class R>
 class ClientReader;
 template <class W>
diff --git a/include/grpc++/impl/client_unary_call.h b/include/grpc++/impl/client_unary_call.h
index 0e8aeed78162bca78d20f506a4cca815cad320e8..2f234fd3ac7b11eabbcd8e050714ae119aef70d7 100644
--- a/include/grpc++/impl/client_unary_call.h
+++ b/include/grpc++/impl/client_unary_call.h
@@ -35,6 +35,7 @@
 #define GRPCXX_IMPL_CLIENT_UNARY_CALL_H
 
 #include <grpc++/config.h>
+#include <grpc++/status.h>
 
 namespace grpc {
 
@@ -42,7 +43,6 @@ class ChannelInterface;
 class ClientContext;
 class CompletionQueue;
 class RpcMethod;
-class Status;
 
 // Wrapper that performs a blocking unary call
 Status BlockingUnaryCall(ChannelInterface* channel, const RpcMethod& method,
diff --git a/include/grpc++/impl/service_type.h b/include/grpc++/impl/service_type.h
index bc39bb82ac32683db8956cc9f283a592b2909fcd..25e437edad7f0ce17bedea928c649cccf6ff01c8 100644
--- a/include/grpc++/impl/service_type.h
+++ b/include/grpc++/impl/service_type.h
@@ -35,6 +35,7 @@
 #define GRPCXX_IMPL_SERVICE_TYPE_H
 
 #include <grpc++/config.h>
+#include <grpc++/status.h>
 
 namespace grpc {
 
@@ -44,7 +45,6 @@ class RpcService;
 class Server;
 class ServerCompletionQueue;
 class ServerContext;
-class Status;
 
 class SynchronousService {
  public:
diff --git a/include/grpc++/status.h b/include/grpc++/status.h
index 8073319eab89c3b2a9b305621eb9563525eb5d6d..fb8526ddce0ec29d66215c357a0080302de44f68 100644
--- a/include/grpc++/status.h
+++ b/include/grpc++/status.h
@@ -42,18 +42,17 @@ namespace grpc {
 class Status {
  public:
   Status() : code_(StatusCode::OK) {}
-  explicit Status(StatusCode code) : code_(code) {}
   Status(StatusCode code, const grpc::string& details)
       : code_(code), details_(details) {}
 
   // Pre-defined special status objects.
   static const Status& OK;
-  static const Status& Cancelled;
+  static const Status& CANCELLED;
 
-  StatusCode code() const { return code_; }
-  grpc::string details() const { return details_; }
+  StatusCode error_code() const { return code_; }
+  grpc::string error_message() const { return details_; }
 
-  bool IsOk() const { return code_ == StatusCode::OK; }
+  bool ok() const { return code_ == StatusCode::OK; }
 
  private:
   StatusCode code_;
diff --git a/include/grpc++/stream.h b/include/grpc++/stream.h
index c836f98c2a48f53cab9965ab75a17c8ba8b6c774..472911e62b295f21cff53e08532bde2c528d2a2a 100644
--- a/include/grpc++/stream.h
+++ b/include/grpc++/stream.h
@@ -615,7 +615,7 @@ class ServerAsyncReader GRPC_FINAL : public ServerAsyncStreamingInterface,
       ctx_->sent_initial_metadata_ = true;
     }
     // The response is dropped if the status is not OK.
-    if (status.IsOk()) {
+    if (status.ok()) {
       finish_buf_.AddSendMessage(msg);
     }
     finish_buf_.AddServerSendStatus(&ctx_->trailing_metadata_, status);
@@ -623,7 +623,7 @@ class ServerAsyncReader GRPC_FINAL : public ServerAsyncStreamingInterface,
   }
 
   void FinishWithError(const Status& status, void* tag) {
-    GPR_ASSERT(!status.IsOk());
+    GPR_ASSERT(!status.ok());
     finish_buf_.Reset(tag);
     if (!ctx_->sent_initial_metadata_) {
       finish_buf_.AddSendInitialMetadata(&ctx_->initial_metadata_);
diff --git a/include/grpc/grpc.h b/include/grpc/grpc.h
index d9b7ca216bb6788dc39649d1fd2f377f3f509f49..ea76a87099a0b74d26dfee26d2c067a8d7675852 100644
--- a/include/grpc/grpc.h
+++ b/include/grpc/grpc.h
@@ -155,6 +155,8 @@ typedef enum grpc_call_error {
 /* Force compression to be disabled for a particular write
    (start_write/add_metadata). Illegal on invoke/accept. */
 #define GRPC_WRITE_NO_COMPRESS (0x00000002u)
+/* Mask of all valid flags. */
+#define GRPC_WRITE_USED_MASK (GRPC_WRITE_BUFFER_HINT | GRPC_WRITE_NO_COMPRESS)
 
 /* A single metadata element */
 typedef struct grpc_metadata {
@@ -173,11 +175,11 @@ typedef struct grpc_metadata {
 /** The type of completion (for grpc_event) */
 typedef enum grpc_completion_type {
   /** Shutting down */
-  GRPC_QUEUE_SHUTDOWN, 
+  GRPC_QUEUE_SHUTDOWN,
   /** No event before timeout */
-  GRPC_QUEUE_TIMEOUT,  
+  GRPC_QUEUE_TIMEOUT,
   /** Operation completion */
-  GRPC_OP_COMPLETE     
+  GRPC_OP_COMPLETE
 } grpc_completion_type;
 
 /** The result of an operation.
@@ -186,7 +188,7 @@ typedef enum grpc_completion_type {
 typedef struct grpc_event {
   /** The type of the completion. */
   grpc_completion_type type;
-  /** non-zero if the operation was successful, 0 upon failure. 
+  /** non-zero if the operation was successful, 0 upon failure.
       Only GRPC_OP_COMPLETE can succeed or fail. */
   int success;
   /** The tag passed to grpc_call_start_batch etc to start this operation.
@@ -250,6 +252,7 @@ typedef enum {
    no arguments) */
 typedef struct grpc_op {
   grpc_op_type op;
+  gpr_uint32 flags;  /**< Write flags bitset for grpc_begin_messages */
   union {
     struct {
       size_t count;
diff --git a/src/compiler/cpp_generator.cc b/src/compiler/cpp_generator.cc
index c00c85bb9009eada52b0389338aa80023fac1811..6cd615019b09ba8e32a0cc4af7882a73cd6939a7 100644
--- a/src/compiler/cpp_generator.cc
+++ b/src/compiler/cpp_generator.cc
@@ -854,7 +854,7 @@ void PrintSourceServerMethod(grpc::protobuf::io::Printer *printer,
     printer->Print("  (void) response;\n");
     printer->Print(
         "  return ::grpc::Status("
-        "::grpc::StatusCode::UNIMPLEMENTED);\n");
+        "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n");
     printer->Print("}\n\n");
   } else if (ClientOnlyStreaming(method)) {
     printer->Print(*vars,
@@ -867,7 +867,7 @@ void PrintSourceServerMethod(grpc::protobuf::io::Printer *printer,
     printer->Print("  (void) response;\n");
     printer->Print(
         "  return ::grpc::Status("
-        "::grpc::StatusCode::UNIMPLEMENTED);\n");
+        "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n");
     printer->Print("}\n\n");
   } else if (ServerOnlyStreaming(method)) {
     printer->Print(*vars,
@@ -880,7 +880,7 @@ void PrintSourceServerMethod(grpc::protobuf::io::Printer *printer,
     printer->Print("  (void) writer;\n");
     printer->Print(
         "  return ::grpc::Status("
-        "::grpc::StatusCode::UNIMPLEMENTED);\n");
+        "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n");
     printer->Print("}\n\n");
   } else if (BidiStreaming(method)) {
     printer->Print(*vars,
@@ -892,7 +892,7 @@ void PrintSourceServerMethod(grpc::protobuf::io::Printer *printer,
     printer->Print("  (void) stream;\n");
     printer->Print(
         "  return ::grpc::Status("
-        "::grpc::StatusCode::UNIMPLEMENTED);\n");
+        "::grpc::StatusCode::UNIMPLEMENTED, \"\");\n");
     printer->Print("}\n\n");
   }
 }
diff --git a/src/core/surface/call.c b/src/core/surface/call.c
index cead5e08dc7c98a075baf7a802970b5aad8e401f..5cdd7cd0f6c74728840cf40fa8342dac54080396 100644
--- a/src/core/surface/call.c
+++ b/src/core/surface/call.c
@@ -185,6 +185,7 @@ struct grpc_call {
      and a strong upper bound of a count of masters to be calculated. */
   gpr_uint8 request_set[GRPC_IOREQ_OP_COUNT];
   grpc_ioreq_data request_data[GRPC_IOREQ_OP_COUNT];
+  gpr_uint32 request_flags[GRPC_IOREQ_OP_COUNT];
   reqinfo_master masters[GRPC_IOREQ_OP_COUNT];
 
   /* Dynamic array of ioreq's that have completed: the count of
@@ -228,6 +229,7 @@ struct grpc_call {
 
   gpr_slice_buffer incoming_message;
   gpr_uint32 incoming_message_length;
+  gpr_uint32 incoming_message_flags;
   grpc_iomgr_closure destroy_closure;
 };
 
@@ -670,6 +672,7 @@ static int begin_message(grpc_call *call, grpc_begin_message msg) {
   } else if (msg.length > 0) {
     call->reading_message = 1;
     call->incoming_message_length = msg.length;
+    call->incoming_message_flags = msg.flags;
     return 1;
   } else {
     finish_message(call);
@@ -818,6 +821,7 @@ static void copy_byte_buffer_to_stream_ops(grpc_byte_buffer *byte_buffer,
 
 static int fill_send_ops(grpc_call *call, grpc_transport_op *op) {
   grpc_ioreq_data data;
+  gpr_uint32 flags;
   grpc_metadata_batch mdb;
   size_t i;
   GPR_ASSERT(op->send_ops == NULL);
@@ -844,8 +848,9 @@ static int fill_send_ops(grpc_call *call, grpc_transport_op *op) {
     case WRITE_STATE_STARTED:
       if (is_op_live(call, GRPC_IOREQ_SEND_MESSAGE)) {
         data = call->request_data[GRPC_IOREQ_SEND_MESSAGE];
+        flags = call->request_flags[GRPC_IOREQ_SEND_MESSAGE];
         grpc_sopb_add_begin_message(
-            &call->send_ops, grpc_byte_buffer_length(data.send_message), 0);
+            &call->send_ops, grpc_byte_buffer_length(data.send_message), flags);
         copy_byte_buffer_to_stream_ops(data.send_message, &call->send_ops);
         op->send_ops = &call->send_ops;
         call->last_send_contains |= 1 << GRPC_IOREQ_SEND_MESSAGE;
@@ -979,6 +984,7 @@ static grpc_call_error start_ioreq(grpc_call *call, const grpc_ioreq *reqs,
     have_ops |= 1u << op;
 
     call->request_data[op] = data;
+    call->request_flags[op] = reqs[i].flags;
     call->request_set[op] = set;
   }
 
@@ -1189,6 +1195,14 @@ static void finish_batch_with_close(grpc_call *call, int success, void *tag) {
   grpc_cq_end_op(call->cq, tag, call, 1);
 }
 
+static int are_write_flags_valid(gpr_uint32 flags) {
+  /* check that only bits in GRPC_WRITE_(INTERNAL?)_USED_MASK are set */
+  const gpr_uint32 allowed_write_positions =
+      (GRPC_WRITE_USED_MASK | GRPC_WRITE_INTERNAL_USED_MASK);
+  const gpr_uint32 invalid_positions = ~allowed_write_positions;
+  return !(flags & invalid_positions);
+}
+
 grpc_call_error grpc_call_start_batch(grpc_call *call, const grpc_op *ops,
                                       size_t nops, void *tag) {
   grpc_ioreq reqs[GRPC_IOREQ_OP_COUNT];
@@ -1211,30 +1225,43 @@ grpc_call_error grpc_call_start_batch(grpc_call *call, const grpc_op *ops,
     op = &ops[in];
     switch (op->op) {
       case GRPC_OP_SEND_INITIAL_METADATA:
+        /* Flag validation: currently allow no flags */
+        if (op->flags != 0) return GRPC_CALL_ERROR_INVALID_FLAGS;
         req = &reqs[out++];
         req->op = GRPC_IOREQ_SEND_INITIAL_METADATA;
         req->data.send_metadata.count = op->data.send_initial_metadata.count;
         req->data.send_metadata.metadata =
             op->data.send_initial_metadata.metadata;
+        req->flags = op->flags;
         break;
       case GRPC_OP_SEND_MESSAGE:
+        if (!are_write_flags_valid(op->flags)){
+          return GRPC_CALL_ERROR_INVALID_FLAGS;
+        }
         req = &reqs[out++];
         req->op = GRPC_IOREQ_SEND_MESSAGE;
         req->data.send_message = op->data.send_message;
+        req->flags = ops->flags;
         break;
       case GRPC_OP_SEND_CLOSE_FROM_CLIENT:
+        /* Flag validation: currently allow no flags */
+        if (op->flags != 0) return GRPC_CALL_ERROR_INVALID_FLAGS;
         if (!call->is_client) {
           return GRPC_CALL_ERROR_NOT_ON_SERVER;
         }
         req = &reqs[out++];
         req->op = GRPC_IOREQ_SEND_CLOSE;
+        req->flags = op->flags;
         break;
       case GRPC_OP_SEND_STATUS_FROM_SERVER:
+        /* Flag validation: currently allow no flags */
+        if (op->flags != 0) return GRPC_CALL_ERROR_INVALID_FLAGS;
         if (call->is_client) {
           return GRPC_CALL_ERROR_NOT_ON_CLIENT;
         }
         req = &reqs[out++];
         req->op = GRPC_IOREQ_SEND_TRAILING_METADATA;
+        req->flags = op->flags;
         req->data.send_metadata.count =
             op->data.send_status_from_server.trailing_metadata_count;
         req->data.send_metadata.metadata =
@@ -1248,24 +1275,33 @@ grpc_call_error grpc_call_start_batch(grpc_call *call, const grpc_op *ops,
         req->op = GRPC_IOREQ_SEND_CLOSE;
         break;
       case GRPC_OP_RECV_INITIAL_METADATA:
+        /* Flag validation: currently allow no flags */
+        if (op->flags != 0) return GRPC_CALL_ERROR_INVALID_FLAGS;
         if (!call->is_client) {
           return GRPC_CALL_ERROR_NOT_ON_SERVER;
         }
         req = &reqs[out++];
         req->op = GRPC_IOREQ_RECV_INITIAL_METADATA;
         req->data.recv_metadata = op->data.recv_initial_metadata;
+        req->flags = op->flags;
         break;
       case GRPC_OP_RECV_MESSAGE:
+        /* Flag validation: currently allow no flags */
+        if (op->flags != 0) return GRPC_CALL_ERROR_INVALID_FLAGS;
         req = &reqs[out++];
         req->op = GRPC_IOREQ_RECV_MESSAGE;
         req->data.recv_message = op->data.recv_message;
+        req->flags = op->flags;
         break;
       case GRPC_OP_RECV_STATUS_ON_CLIENT:
+        /* Flag validation: currently allow no flags */
+        if (op->flags != 0) return GRPC_CALL_ERROR_INVALID_FLAGS;
         if (!call->is_client) {
           return GRPC_CALL_ERROR_NOT_ON_SERVER;
         }
         req = &reqs[out++];
         req->op = GRPC_IOREQ_RECV_STATUS;
+        req->flags = op->flags;
         req->data.recv_status.set_value = set_status_value_directly;
         req->data.recv_status.user_data = op->data.recv_status_on_client.status;
         req = &reqs[out++];
@@ -1283,8 +1319,11 @@ grpc_call_error grpc_call_start_batch(grpc_call *call, const grpc_op *ops,
         finish_func = finish_batch_with_close;
         break;
       case GRPC_OP_RECV_CLOSE_ON_SERVER:
+        /* Flag validation: currently allow no flags */
+        if (op->flags != 0) return GRPC_CALL_ERROR_INVALID_FLAGS;
         req = &reqs[out++];
         req->op = GRPC_IOREQ_RECV_STATUS;
+        req->flags = op->flags;
         req->data.recv_status.set_value = set_cancelled_value;
         req->data.recv_status.user_data =
             op->data.recv_close_on_server.cancelled;
diff --git a/src/core/surface/call.h b/src/core/surface/call.h
index 91165389480b5bcccbfe7a2c5c9e71537b58c78f..7a14161253cfc7a163f8c00d7645965916b739d4 100644
--- a/src/core/surface/call.h
+++ b/src/core/surface/call.h
@@ -79,6 +79,7 @@ typedef union {
 typedef struct {
   grpc_ioreq_op op;
   grpc_ioreq_data data;
+  gpr_uint32 flags;  /**< A copy of the write flags from grpc_op */
 } grpc_ioreq;
 
 typedef void (*grpc_ioreq_completion_func)(grpc_call *call, int success,
diff --git a/src/core/surface/server.c b/src/core/surface/server.c
index d0974c04cfabb21274273671abfba69676bd7672..825ef66804bf417a4351b1fa39d575997f5c1785 100644
--- a/src/core/surface/server.c
+++ b/src/core/surface/server.c
@@ -1135,6 +1135,7 @@ static void begin_call(grpc_server *server, call_data *calld,
       rc->data.batch.details->deadline = calld->deadline;
       r->op = GRPC_IOREQ_RECV_INITIAL_METADATA;
       r->data.recv_metadata = rc->data.batch.initial_metadata;
+      r->flags = 0;
       r++;
       publish = publish_registered_or_batch;
       break;
@@ -1142,10 +1143,12 @@ static void begin_call(grpc_server *server, call_data *calld,
       *rc->data.registered.deadline = calld->deadline;
       r->op = GRPC_IOREQ_RECV_INITIAL_METADATA;
       r->data.recv_metadata = rc->data.registered.initial_metadata;
+      r->flags = 0;
       r++;
       if (rc->data.registered.optional_payload) {
         r->op = GRPC_IOREQ_RECV_MESSAGE;
         r->data.recv_message = rc->data.registered.optional_payload;
+        r->flags = 0;
         r++;
       }
       publish = publish_registered_or_batch;
diff --git a/src/core/transport/stream_op.h b/src/core/transport/stream_op.h
index 5215cc87b1d9042ec263140e4af225f2b1ef14cd..e080701e2d76c6e1235e591e823fea62c0812aa2 100644
--- a/src/core/transport/stream_op.h
+++ b/src/core/transport/stream_op.h
@@ -58,11 +58,18 @@ typedef enum grpc_stream_op_code {
   GRPC_OP_SLICE
 } grpc_stream_op_code;
 
+/** Internal bit flag for grpc_begin_message's \a flags signaling the use of
+ * compression for the message */
+#define GRPC_WRITE_INTERNAL_COMPRESS (0x80000000u)
+/** Mask of all valid internal flags. */
+#define GRPC_WRITE_INTERNAL_USED_MASK (GRPC_WRITE_INTERNAL_COMPRESS)
+
 /* Arguments for GRPC_OP_BEGIN_MESSAGE */
 typedef struct grpc_begin_message {
   /* How many bytes of data will this message contain */
   gpr_uint32 length;
-  /* Write flags for the message: see grpc.h GRPC_WRITE_xxx */
+  /* Write flags for the message: see grpc.h GRPC_WRITE_* for the public bits,
+   * GRPC_WRITE_INTERNAL_* for the internal ones. */
   gpr_uint32 flags;
 } grpc_begin_message;
 
diff --git a/src/cpp/client/client_unary_call.cc b/src/cpp/client/client_unary_call.cc
index 7e7ea78bcde380689a770d87522f59c133512e16..55e589306f117ccfb624223159680d44eb830983 100644
--- a/src/cpp/client/client_unary_call.cc
+++ b/src/cpp/client/client_unary_call.cc
@@ -57,7 +57,7 @@ Status BlockingUnaryCall(ChannelInterface* channel, const RpcMethod& method,
   buf.AddClientSendClose();
   buf.AddClientRecvStatus(context, &status);
   call.PerformOps(&buf);
-  GPR_ASSERT((cq.Pluck(&buf) && buf.got_message) || !status.IsOk());
+  GPR_ASSERT((cq.Pluck(&buf) && buf.got_message) || !status.ok());
   return status;
 }
 
diff --git a/src/cpp/common/call.cc b/src/cpp/common/call.cc
index 1068111e3f4748d250180669cef2f5b05f2d7c04..edce6396bd4cb267372f46de6044ff803f6ba881 100644
--- a/src/cpp/common/call.cc
+++ b/src/cpp/common/call.cc
@@ -214,8 +214,8 @@ void CallOpBuffer::AddServerSendStatus(
     trailing_metadata_count_ = 0;
   }
   send_status_available_ = true;
-  send_status_code_ = static_cast<grpc_status_code>(status.code());
-  send_status_details_ = status.details();
+  send_status_code_ = static_cast<grpc_status_code>(status.error_code());
+  send_status_details_ = status.error_message();
 }
 
 void CallOpBuffer::FillOps(grpc_op* ops, size_t* nops) {
@@ -224,11 +224,13 @@ void CallOpBuffer::FillOps(grpc_op* ops, size_t* nops) {
     ops[*nops].op = GRPC_OP_SEND_INITIAL_METADATA;
     ops[*nops].data.send_initial_metadata.count = initial_metadata_count_;
     ops[*nops].data.send_initial_metadata.metadata = initial_metadata_;
+    ops[*nops].flags = 0;
     (*nops)++;
   }
   if (recv_initial_metadata_) {
     ops[*nops].op = GRPC_OP_RECV_INITIAL_METADATA;
     ops[*nops].data.recv_initial_metadata = &recv_initial_metadata_arr_;
+    ops[*nops].flags = 0;
     (*nops)++;
   }
   if (send_message_ || send_message_buffer_) {
@@ -245,15 +247,18 @@ void CallOpBuffer::FillOps(grpc_op* ops, size_t* nops) {
     }
     ops[*nops].op = GRPC_OP_SEND_MESSAGE;
     ops[*nops].data.send_message = send_buf_;
+    ops[*nops].flags = 0;
     (*nops)++;
   }
   if (recv_message_ || recv_message_buffer_) {
     ops[*nops].op = GRPC_OP_RECV_MESSAGE;
     ops[*nops].data.recv_message = &recv_buf_;
+    ops[*nops].flags = 0;
     (*nops)++;
   }
   if (client_send_close_) {
     ops[*nops].op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+    ops[*nops].flags = 0;
     (*nops)++;
   }
   if (recv_status_) {
@@ -264,6 +269,7 @@ void CallOpBuffer::FillOps(grpc_op* ops, size_t* nops) {
     ops[*nops].data.recv_status_on_client.status_details = &status_details_;
     ops[*nops].data.recv_status_on_client.status_details_capacity =
         &status_details_capacity_;
+    ops[*nops].flags = 0;
     (*nops)++;
   }
   if (send_status_available_) {
@@ -275,11 +281,13 @@ void CallOpBuffer::FillOps(grpc_op* ops, size_t* nops) {
     ops[*nops].data.send_status_from_server.status = send_status_code_;
     ops[*nops].data.send_status_from_server.status_details =
         send_status_details_.empty() ? nullptr : send_status_details_.c_str();
+    ops[*nops].flags = 0;
     (*nops)++;
   }
   if (recv_closed_) {
     ops[*nops].op = GRPC_OP_RECV_CLOSE_ON_SERVER;
     ops[*nops].data.recv_close_on_server.cancelled = &cancelled_buf_;
+    ops[*nops].flags = 0;
     (*nops)++;
   }
 }
diff --git a/src/cpp/util/status.cc b/src/cpp/util/status.cc
index b694a513e7573eeb47784d6732de4c035b77524e..5bb9eda3d9c898fe2d755165d0053048fc9fdd34 100644
--- a/src/cpp/util/status.cc
+++ b/src/cpp/util/status.cc
@@ -36,6 +36,6 @@
 namespace grpc {
 
 const Status& Status::OK = Status();
-const Status& Status::Cancelled = Status(StatusCode::CANCELLED);
+const Status& Status::CANCELLED = Status(StatusCode::CANCELLED, "");
 
 }  // namespace grpc
diff --git a/src/csharp/ext/grpc_csharp_ext.c b/src/csharp/ext/grpc_csharp_ext.c
index f52633b9db9a312df77bfd9dd7fd929029cb123a..ec125db78bfb6ecd6ea1014dfbb06e33906913c9 100644
--- a/src/csharp/ext/grpc_csharp_ext.c
+++ b/src/csharp/ext/grpc_csharp_ext.c
@@ -417,18 +417,23 @@ grpcsharp_call_start_unary(grpc_call *call, grpcsharp_batch_context *ctx,
   ops[0].data.send_initial_metadata.count = ctx->send_initial_metadata.count;
   ops[0].data.send_initial_metadata.metadata =
       ctx->send_initial_metadata.metadata;
+  ops[0].flags = 0;
 
   ops[1].op = GRPC_OP_SEND_MESSAGE;
   ctx->send_message = string_to_byte_buffer(send_buffer, send_buffer_len);
   ops[1].data.send_message = ctx->send_message;
+  ops[1].flags = 0;
 
   ops[2].op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  ops[2].flags = 0;
 
   ops[3].op = GRPC_OP_RECV_INITIAL_METADATA;
   ops[3].data.recv_initial_metadata = &(ctx->recv_initial_metadata);
+  ops[3].flags = 0;
 
   ops[4].op = GRPC_OP_RECV_MESSAGE;
   ops[4].data.recv_message = &(ctx->recv_message);
+  ops[4].flags = 0;
 
   ops[5].op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   ops[5].data.recv_status_on_client.trailing_metadata =
@@ -440,6 +445,7 @@ grpcsharp_call_start_unary(grpc_call *call, grpcsharp_batch_context *ctx,
       &(ctx->recv_status_on_client.status_details);
   ops[5].data.recv_status_on_client.status_details_capacity =
       &(ctx->recv_status_on_client.status_details_capacity);
+  ops[5].flags = 0;
 
   return grpc_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]), ctx);
 }
@@ -456,12 +462,15 @@ grpcsharp_call_start_client_streaming(grpc_call *call,
   ops[0].data.send_initial_metadata.count = ctx->send_initial_metadata.count;
   ops[0].data.send_initial_metadata.metadata =
       ctx->send_initial_metadata.metadata;
+  ops[0].flags = 0;
 
   ops[1].op = GRPC_OP_RECV_INITIAL_METADATA;
   ops[1].data.recv_initial_metadata = &(ctx->recv_initial_metadata);
+  ops[1].flags = 0;
 
   ops[2].op = GRPC_OP_RECV_MESSAGE;
   ops[2].data.recv_message = &(ctx->recv_message);
+  ops[2].flags = 0;
 
   ops[3].op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   ops[3].data.recv_status_on_client.trailing_metadata =
@@ -473,6 +482,7 @@ grpcsharp_call_start_client_streaming(grpc_call *call,
       &(ctx->recv_status_on_client.status_details);
   ops[3].data.recv_status_on_client.status_details_capacity =
       &(ctx->recv_status_on_client.status_details_capacity);
+  ops[3].flags = 0;
 
   return grpc_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]), ctx);
 }
@@ -488,15 +498,19 @@ GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_start_server_streaming(
   ops[0].data.send_initial_metadata.count = ctx->send_initial_metadata.count;
   ops[0].data.send_initial_metadata.metadata =
       ctx->send_initial_metadata.metadata;
+  ops[0].flags = 0;
 
   ops[1].op = GRPC_OP_SEND_MESSAGE;
   ctx->send_message = string_to_byte_buffer(send_buffer, send_buffer_len);
   ops[1].data.send_message = ctx->send_message;
+  ops[1].flags = 0;
 
   ops[2].op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  ops[2].flags = 0;
 
   ops[3].op = GRPC_OP_RECV_INITIAL_METADATA;
   ops[3].data.recv_initial_metadata = &(ctx->recv_initial_metadata);
+  ops[3].flags = 0;
 
   ops[4].op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   ops[4].data.recv_status_on_client.trailing_metadata =
@@ -508,6 +522,7 @@ GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_start_server_streaming(
       &(ctx->recv_status_on_client.status_details);
   ops[4].data.recv_status_on_client.status_details_capacity =
       &(ctx->recv_status_on_client.status_details_capacity);
+  ops[4].flags = 0;
 
   return grpc_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]), ctx);
 }
@@ -524,9 +539,11 @@ grpcsharp_call_start_duplex_streaming(grpc_call *call,
   ops[0].data.send_initial_metadata.count = ctx->send_initial_metadata.count;
   ops[0].data.send_initial_metadata.metadata =
       ctx->send_initial_metadata.metadata;
+  ops[0].flags = 0;
 
   ops[1].op = GRPC_OP_RECV_INITIAL_METADATA;
   ops[1].data.recv_initial_metadata = &(ctx->recv_initial_metadata);
+  ops[1].flags = 0;
 
   ops[2].op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   ops[2].data.recv_status_on_client.trailing_metadata =
@@ -538,6 +555,7 @@ grpcsharp_call_start_duplex_streaming(grpc_call *call,
       &(ctx->recv_status_on_client.status_details);
   ops[2].data.recv_status_on_client.status_details_capacity =
       &(ctx->recv_status_on_client.status_details_capacity);
+  ops[2].flags = 0;
 
   return grpc_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]), ctx);
 }
@@ -550,6 +568,7 @@ grpcsharp_call_send_message(grpc_call *call, grpcsharp_batch_context *ctx,
   ops[0].op = GRPC_OP_SEND_MESSAGE;
   ctx->send_message = string_to_byte_buffer(send_buffer, send_buffer_len);
   ops[0].data.send_message = ctx->send_message;
+  ops[0].flags = 0;
 
   return grpc_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]), ctx);
 }
@@ -560,6 +579,7 @@ grpcsharp_call_send_close_from_client(grpc_call *call,
   /* TODO: don't use magic number */
   grpc_op ops[1];
   ops[0].op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  ops[0].flags = 0;
 
   return grpc_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]), ctx);
 }
@@ -577,6 +597,7 @@ grpcsharp_call_send_status_from_server(grpc_call *call,
       gpr_strdup(status_details);
   ops[0].data.send_status_from_server.trailing_metadata = NULL;
   ops[0].data.send_status_from_server.trailing_metadata_count = 0;
+  ops[0].flags = 0;
 
   return grpc_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]), ctx);
 }
@@ -587,6 +608,7 @@ grpcsharp_call_recv_message(grpc_call *call, grpcsharp_batch_context *ctx) {
   grpc_op ops[1];
   ops[0].op = GRPC_OP_RECV_MESSAGE;
   ops[0].data.recv_message = &(ctx->recv_message);
+  ops[0].flags = 0;
   return grpc_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]), ctx);
 }
 
@@ -597,10 +619,12 @@ grpcsharp_call_start_serverside(grpc_call *call, grpcsharp_batch_context *ctx) {
   ops[0].op = GRPC_OP_SEND_INITIAL_METADATA;
   ops[0].data.send_initial_metadata.count = 0;
   ops[0].data.send_initial_metadata.metadata = NULL;
+  ops[0].flags = 0;
 
   ops[1].op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   ops[1].data.recv_close_on_server.cancelled =
       (&ctx->recv_close_on_server_cancelled);
+  ops[1].flags = 0;
 
   return grpc_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]), ctx);
 }
diff --git a/src/node/ext/call.cc b/src/node/ext/call.cc
index 8cc3e38cd9513d78d8a055a00731132876a2d90c..15c9b2d97d6df4e6f37297a0e9d9e08005ac8c8b 100644
--- a/src/node/ext/call.cc
+++ b/src/node/ext/call.cc
@@ -550,6 +550,7 @@ NAN_METHOD(Call::StartBatch) {
     }
     uint32_t type = keys->Get(i)->Uint32Value();
     ops[i].op = static_cast<grpc_op_type>(type);
+    ops[i].flags = 0;
     switch (type) {
       case GRPC_OP_SEND_INITIAL_METADATA:
         op.reset(new SendMetadataOp());
diff --git a/src/objective-c/GRPCClient/GRPCCall.h b/src/objective-c/GRPCClient/GRPCCall.h
index 81b409b9ffe8c38f80830a0e93299c41ceacf9c9..7b42498d42b978285bf1d17b805cebcb2236fd45 100644
--- a/src/objective-c/GRPCClient/GRPCCall.h
+++ b/src/objective-c/GRPCClient/GRPCCall.h
@@ -31,43 +31,55 @@
  *
  */
 
+// The gRPC protocol is an RPC protocol on top of HTTP2.
+//
+// While the most common type of RPC receives only one request message and returns only one response
+// message, the protocol also supports RPCs that return multiple individual messages in a streaming
+// fashion, RPCs that accept a stream of request messages, or RPCs with both streaming requests and
+// responses.
+//
+// Conceptually, each gRPC call consists of a bidirectional stream of binary messages, with RPCs of
+// the "non-streaming type" sending only one message in the corresponding direction (the protocol
+// doesn't make any distinction).
+//
+// Each RPC uses a different HTTP2 stream, and thus multiple simultaneous RPCs can be multiplexed
+// transparently on the same TCP connection.
+
 #import <Foundation/Foundation.h>
 #import <gRPC/GRXWriter.h>
 
 @class GRPCMethodName;
 
-@class GRPCCall;
+// Key used in |NSError|'s |userInfo| dictionary to store the response metadata sent by the server.
+extern id const kGRPCStatusMetadataKey;
 
-// The gRPC protocol is an RPC protocol on top of HTTP2.
-//
-// While the most common type of RPC receives only one request message and
-// returns only one response message, the protocol also supports RPCs that
-// return multiple individual messages in a streaming fashion, RPCs that
-// accept a stream of request messages, or RPCs with both streaming requests
-// and responses.
-//
-// Conceptually, each gRPC call consists of a bidirectional stream of binary
-// messages, with RPCs of the "non-streaming type" sending only one message in
-// the corresponding direction (the protocol doesn't make any distinction).
-//
-// Each RPC uses a different HTTP2 stream, and thus multiple simultaneous RPCs
-// can be multiplexed transparently on the same TCP connection.
+// Represents a single gRPC remote call.
 @interface GRPCCall : NSObject<GRXWriter>
 
-// These HTTP2 headers will be passed to the server as part of this call. Each
-// HTTP2 header is a name-value pair with string names and either string or binary values.
+// These HTTP headers will be passed to the server as part of this call. Each HTTP header is a
+// name-value pair with string names and either string or binary values.
+//
 // The passed dictionary has to use NSString keys, corresponding to the header names. The
 // value associated to each can be a NSString object or a NSData object. E.g.:
 //
-// call.requestMetadata = @{
-//     @"Authorization": @"Bearer ...",
-//     @"SomeBinaryHeader": someData
-// };
+// call.requestMetadata = @{@"Authorization": @"Bearer ..."};
+//
+// call.requestMetadata[@"SomeBinaryHeader"] = someData;
 //
 // After the call is started, modifying this won't have any effect.
-@property(nonatomic, readwrite) NSMutableDictionary *requestMetadata;
+//
+// For convenience, the property is initialized to an empty NSMutableDictionary, and the setter
+// accepts (and copies) both mutable and immutable dictionaries.
+- (NSMutableDictionary *)requestMetadata; // nonatomic
+- (void)setRequestMetadata:(NSDictionary *)requestMetadata; // nonatomic, copy
 
-// This isn't populated until the first event is delivered to the handler.
+// This dictionary is populated with the HTTP headers received from the server. When the RPC ends,
+// the HTTP trailers received are added to the dictionary too. It has the same structure as the
+// request metadata dictionary.
+//
+// The first time this object calls |writeValue| on the writeable passed to |startWithWriteable|,
+// the |responseMetadata| dictionary already contains the response headers. When it calls
+// |writesFinishedWithError|, the dictionary contains both the response headers and trailers.
 @property(atomic, readonly) NSDictionary *responseMetadata;
 
 // The request writer has to write NSData objects into the provided Writeable. The server will
diff --git a/src/objective-c/GRPCClient/GRPCCall.m b/src/objective-c/GRPCClient/GRPCCall.m
index a4a0ddb32466ada89400679b9985779d5763fe50..d92a9d1b377fb77014541df9a015e1366a1eb80b 100644
--- a/src/objective-c/GRPCClient/GRPCCall.m
+++ b/src/objective-c/GRPCClient/GRPCCall.m
@@ -46,9 +46,9 @@
 #import "private/NSDictionary+GRPC.h"
 #import "private/NSError+GRPC.h"
 
+NSString * const kGRPCStatusMetadataKey = @"io.grpc.StatusMetadataKey";
+
 @interface GRPCCall () <GRXWriteable>
-// Makes it readwrite.
-@property(atomic, strong) NSDictionary *responseMetadata;
 @end
 
 // The following methods of a C gRPC call object aren't reentrant, and thus
@@ -82,6 +82,9 @@
   // correct ordering.
   GRPCDelegateWrapper *_responseWriteable;
   id<GRXWriter> _requestWriter;
+
+  NSMutableDictionary *_requestMetadata;
+  NSMutableDictionary *_responseMetadata;
 }
 
 @synthesize state = _state;
@@ -116,10 +119,27 @@
     _callQueue = dispatch_queue_create("org.grpc.call", NULL);
 
     _requestWriter = requestWriter;
+
+    _requestMetadata = [NSMutableDictionary dictionary];
+    _responseMetadata = [NSMutableDictionary dictionary];
   }
   return self;
 }
 
+#pragma mark Metadata
+
+- (NSMutableDictionary *)requestMetadata {
+  return _requestMetadata;
+}
+
+- (void)setRequestMetadata:(NSDictionary *)requestMetadata {
+  _requestMetadata = [NSMutableDictionary dictionaryWithDictionary:requestMetadata];
+}
+
+- (NSDictionary *)responseMetadata {
+  return _responseMetadata;
+}
+
 #pragma mark Finish
 
 - (void)finishWithError:(NSError *)errorOrNil {
@@ -277,7 +297,7 @@
 // The first one (metadataHandler), when the response headers are received.
 // The second one (completionHandler), whenever the RPC finishes for any reason.
 - (void)invokeCallWithMetadataHandler:(void(^)(NSDictionary *))metadataHandler
-                    completionHandler:(void(^)(NSError *))completionHandler {
+                    completionHandler:(void(^)(NSError *, NSDictionary *))completionHandler {
   // TODO(jcanizales): Add error handlers for async failures
   [_wrappedCall startBatchWithOperations:@[[[GRPCOpRecvMetadata alloc]
                                             initWithHandler:metadataHandler]]];
@@ -287,16 +307,26 @@
 
 - (void)invokeCall {
   __weak GRPCCall *weakSelf = self;
-  [self invokeCallWithMetadataHandler:^(NSDictionary *metadata) {
-    // Response metadata received.
+  [self invokeCallWithMetadataHandler:^(NSDictionary *headers) {
+    // Response headers received.
     GRPCCall *strongSelf = weakSelf;
     if (strongSelf) {
-      strongSelf.responseMetadata = metadata;
+      [strongSelf->_responseMetadata addEntriesFromDictionary:headers];
       [strongSelf startNextRead];
     }
-  } completionHandler:^(NSError *error) {
-    // TODO(jcanizales): Merge HTTP2 trailers into response metadata.
-    [weakSelf finishWithError:error];
+  } completionHandler:^(NSError *error, NSDictionary *trailers) {
+    GRPCCall *strongSelf = weakSelf;
+    if (strongSelf) {
+      [strongSelf->_responseMetadata addEntriesFromDictionary:trailers];
+
+      if (error) {
+        NSMutableDictionary *userInfo =
+            [NSMutableDictionary dictionaryWithDictionary:error.userInfo];
+        userInfo[kGRPCStatusMetadataKey] = strongSelf->_responseMetadata;
+        error = [NSError errorWithDomain:error.domain code:error.code userInfo:userInfo];
+      }
+      [strongSelf finishWithError:error];
+    }
   }];
   // Now that the RPC has been initiated, request writes can start.
   [_requestWriter startWithWriteable:self];
diff --git a/src/objective-c/GRPCClient/private/GRPCWrappedCall.h b/src/objective-c/GRPCClient/private/GRPCWrappedCall.h
index 91cd703faf0372a21ed6b71aa2465bbc37e962e2..4deeec04754c773c9780449feee185c7aea4455b 100644
--- a/src/objective-c/GRPCClient/private/GRPCWrappedCall.h
+++ b/src/objective-c/GRPCClient/private/GRPCWrappedCall.h
@@ -79,7 +79,7 @@ typedef void(^GRPCCompletionHandler)(NSDictionary *);
 
 @interface GRPCOpRecvStatus : NSObject <GRPCOp>
 
-- (instancetype)initWithHandler:(void(^)(NSError *))handler NS_DESIGNATED_INITIALIZER;
+- (instancetype)initWithHandler:(void(^)(NSError *, NSDictionary *))handler NS_DESIGNATED_INITIALIZER;
 
 @end
 
diff --git a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
index 9bc46930b4d845da9045d9e38ca53c2505874c02..ea482b29ef54a7e5fb23a8ee368e5d0ddbca254f 100644
--- a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
+++ b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
@@ -165,9 +165,7 @@
 }
 
 - (void)finish {
-  NSDictionary *metadata = [NSDictionary
-                            grpc_dictionaryFromMetadata:_recvInitialMetadata.metadata
-                            count:_recvInitialMetadata.count];
+  NSDictionary *metadata = [NSDictionary grpc_dictionaryFromMetadataArray:_recvInitialMetadata];
   if (_handler) {
     _handler(metadata);
   }
@@ -209,41 +207,44 @@
 @end
 
 @implementation GRPCOpRecvStatus{
-  void(^_handler)(NSError *);
+  void(^_handler)(NSError *, NSDictionary *);
+  grpc_status_code _statusCode;
+  char *_details;
   size_t _detailsCapacity;
-  grpc_status _status;
+  grpc_metadata_array _metadata;
 }
 
 - (instancetype) init {
   return [self initWithHandler:nil];
 }
 
-- (instancetype) initWithHandler:(void (^)(NSError *))handler {
+- (instancetype) initWithHandler:(void (^)(NSError *, NSDictionary *))handler {
   if (self = [super init]) {
     _handler = handler;
-    grpc_metadata_array_init(&_status.metadata);
+    grpc_metadata_array_init(&_metadata);
   }
   return self;
 }
 
 - (void)getOp:(grpc_op *)op {
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
-  op->data.recv_status_on_client.status = &_status.status;
-  op->data.recv_status_on_client.status_details = &_status.details;
+  op->data.recv_status_on_client.status = &_statusCode;
+  op->data.recv_status_on_client.status_details = &_details;
   op->data.recv_status_on_client.status_details_capacity = &_detailsCapacity;
-  op->data.recv_status_on_client.trailing_metadata = &_status.metadata;
+  op->data.recv_status_on_client.trailing_metadata = &_metadata;
 }
 
 - (void)finish {
   if (_handler) {
-    NSError *error = [NSError grpc_errorFromStatus:&_status];
-    _handler(error);
+    NSError *error = [NSError grpc_errorFromStatusCode:_statusCode details:_details];
+    NSDictionary *trailers = [NSDictionary grpc_dictionaryFromMetadataArray:_metadata];
+    _handler(error, trailers);
   }
 }
 
 - (void)dealloc {
-  grpc_metadata_array_destroy(&_status.metadata);
-  gpr_free(_status.details);
+  grpc_metadata_array_destroy(&_metadata);
+  gpr_free(_details);
 }
 
 @end
diff --git a/src/objective-c/GRPCClient/private/NSDictionary+GRPC.h b/src/objective-c/GRPCClient/private/NSDictionary+GRPC.h
index 622fddcf8e9049f960148a14fc33823ed92d3d32..7335681ac772114456f9064302e2092881783a61 100644
--- a/src/objective-c/GRPCClient/private/NSDictionary+GRPC.h
+++ b/src/objective-c/GRPCClient/private/NSDictionary+GRPC.h
@@ -35,6 +35,7 @@
 #include <grpc/grpc.h>
 
 @interface NSDictionary (GRPC)
-+ (instancetype)grpc_dictionaryFromMetadata:(struct grpc_metadata *)entries count:(size_t)count;
++ (instancetype)grpc_dictionaryFromMetadataArray:(grpc_metadata_array)array;
++ (instancetype)grpc_dictionaryFromMetadata:(grpc_metadata *)entries count:(size_t)count;
 - (grpc_metadata *)grpc_metadataArray;
 @end
diff --git a/src/objective-c/GRPCClient/private/NSDictionary+GRPC.m b/src/objective-c/GRPCClient/private/NSDictionary+GRPC.m
index e14e503ae0ad45b9b73d0b7ca20ac22384097f63..99c890e4ee790b7ed8ae696c80bbfbba34903a98 100644
--- a/src/objective-c/GRPCClient/private/NSDictionary+GRPC.m
+++ b/src/objective-c/GRPCClient/private/NSDictionary+GRPC.m
@@ -98,14 +98,18 @@
 #pragma mark Category for metadata arrays
 
 @implementation NSDictionary (GRPC)
++ (instancetype)grpc_dictionaryFromMetadataArray:(grpc_metadata_array)array {
+  return [self grpc_dictionaryFromMetadata:array.metadata count:array.count];
+}
+
 + (instancetype)grpc_dictionaryFromMetadata:(grpc_metadata *)entries count:(size_t)count {
   NSMutableDictionary *metadata = [NSMutableDictionary dictionaryWithCapacity:count];
   for (grpc_metadata *entry = entries; entry < entries + count; entry++) {
     // TODO(jcanizales): Verify in a C library test that it's converting header names to lower case
     // automatically.
     NSString *name = [NSString stringWithCString:entry->key encoding:NSASCIIStringEncoding];
-    if (!name) {
-      // log?
+    if (!name || metadata[name]) {
+      // Log if name is nil?
       continue;
     }
     id value;
@@ -115,10 +119,7 @@
     } else {
       value = [NSString grpc_stringFromMetadataValue:entry];
     }
-    if (!metadata[name]) {
-      metadata[name] = [NSMutableArray array];
-    }
-    [metadata[name] addObject:value];
+    metadata[name] = value;
   }
   return metadata;
 }
diff --git a/src/objective-c/GRPCClient/private/NSError+GRPC.h b/src/objective-c/GRPCClient/private/NSError+GRPC.h
index 6577d34e8070aa7e15b840fc881533f44c3a8ce2..e712791271305e8dbb3c97e7143cbd071187abd3 100644
--- a/src/objective-c/GRPCClient/private/NSError+GRPC.h
+++ b/src/objective-c/GRPCClient/private/NSError+GRPC.h
@@ -32,6 +32,7 @@
  */
 
 #import <Foundation/Foundation.h>
+#include <grpc/grpc.h>
 
 // TODO(jcanizales): Make the domain string public.
 extern NSString *const kGRPCErrorDomain;
@@ -56,17 +57,8 @@ typedef NS_ENUM(NSInteger, GRPCErrorCode) {
   GRPCErrorCodeDataLoss = 15
 };
 
-// TODO(jcanizales): This is conflating trailing metadata with Status details. Fix it once there's
-// a decision on how to codify Status.
-#include <grpc/grpc.h>
-typedef struct grpc_status {
-    grpc_status_code status;
-    char *details;
-    grpc_metadata_array metadata;
-} grpc_status;
-
 @interface NSError (GRPC)
-// Returns nil if the status is OK. Otherwise, a NSError whose code is one of
-// GRPCErrorCode and whose domain is kGRPCErrorDomain.
-+ (instancetype)grpc_errorFromStatus:(struct grpc_status *)status;
+// Returns nil if the status code is OK. Otherwise, a NSError whose code is one of |GRPCErrorCode|
+// and whose domain is |kGRPCErrorDomain|.
++ (instancetype)grpc_errorFromStatusCode:(grpc_status_code)statusCode details:(char *)details;
 @end
diff --git a/src/objective-c/GRPCClient/private/NSError+GRPC.m b/src/objective-c/GRPCClient/private/NSError+GRPC.m
index 15c0208681f433b9f65c4d81da483378893bd1ca..f7390476d9a5fd6d6c18b36a8d155130371503b7 100644
--- a/src/objective-c/GRPCClient/private/NSError+GRPC.m
+++ b/src/objective-c/GRPCClient/private/NSError+GRPC.m
@@ -35,17 +35,16 @@
 
 #include <grpc.h>
 
-NSString *const kGRPCErrorDomain = @"org.grpc";
+NSString * const kGRPCErrorDomain = @"io.grpc";
 
 @implementation NSError (GRPC)
-+ (instancetype)grpc_errorFromStatus:(struct grpc_status *)status {
-  if (status->status == GRPC_STATUS_OK) {
++ (instancetype)grpc_errorFromStatusCode:(grpc_status_code)statusCode details:(char *)details {
+  if (statusCode == GRPC_STATUS_OK) {
     return nil;
   }
-  NSString *message =
-      [NSString stringWithFormat:@"Code=%i Message='%s'", status->status, status->details];
+  NSString *message = [NSString stringWithCString:details encoding:NSASCIIStringEncoding];
   return [NSError errorWithDomain:kGRPCErrorDomain
-                             code:status->status
+                             code:statusCode
                          userInfo:@{NSLocalizedDescriptionKey: message}];
 }
 @end
diff --git a/src/objective-c/README.md b/src/objective-c/README.md
index 728e22648055cb0ea155008a9742c4bd479dde0a..0e5eb9a25f666869c2d4f2d46a1d861e8234be34 100644
--- a/src/objective-c/README.md
+++ b/src/objective-c/README.md
@@ -52,11 +52,11 @@ Pod::Spec.new do |s|
 
   # Run protoc with the Objective-C and gRPC plugins to generate protocol messages and gRPC clients.
   # You can run this command manually if you later change your protos and need to regenerate.
-  s.prepare_command = "protoc --objc_out=. --objcgrpc_out=. *.proto **/*.proto"
+  s.prepare_command = "protoc --objc_out=. --objcgrpc_out=. *.proto"
 
   # The --objc_out plugin generates a pair of .pbobjc.h/.pbobjc.m files for each .proto file.
   s.subspec "Messages" do |ms|
-    ms.source_files = "*.pbobjc.{h,m}", "**/*.pbobjc.{h,m}"
+    ms.source_files = "*.pbobjc.{h,m}"
     ms.header_mappings_dir = "."
     ms.requires_arc = false
     ms.dependency "Protobuf", "~> 3.0.0-alpha-3"
@@ -65,7 +65,7 @@ Pod::Spec.new do |s|
   # The --objcgrpc_out plugin generates a pair of .pbrpc.h/.pbrpc.m files for each .proto file with
   # a service defined.
   s.subspec "Services" do |ss|
-    ss.source_files = "*.pbrpc.{h,m}", "**/*.pbrpc.{h,m}"
+    ss.source_files = "*.pbrpc.{h,m}"
     ss.header_mappings_dir = "."
     ss.requires_arc = true
     ss.dependency "gRPC", "~> 0.5"
@@ -74,9 +74,21 @@ Pod::Spec.new do |s|
 end
 ```
 
-The file should be named `<Podspec file name>.podspec`. Once your library has a Podspec, Cocoapods
-can install it into any XCode project. For that, go into your project's directory and create a
-Podfile by running:
+The file should be named `<Podspec file name>.podspec`.
+
+Note: If your proto files are in a directory hierarchy, you might want to adjust the _globs_ used in
+the sample Podspec above. For example, you could use:
+
+```ruby
+  s.prepare_command = "protoc --objc_out=. --objcgrpc_out=. *.proto **/*.proto"
+  ...
+    ms.source_files = "*.pbobjc.{h,m}", "**/*.pbobjc.{h,m}"
+  ...
+    ss.source_files = "*.pbrpc.{h,m}", "**/*.pbrpc.{h,m}"
+```
+
+Once your library has a Podspec, Cocoapods can install it into any XCode project. For that, go into
+your project's directory and create a Podfile by running:
 
 ```sh
 pod init
diff --git a/src/objective-c/generated_libraries/RemoteTestClient/RemoteTest.podspec b/src/objective-c/generated_libraries/RemoteTestClient/RemoteTest.podspec
index 0066313ff6c2e7391b19fe95f189693b67c2709b..dd0dab352d1ff8d5e11607d05cb6f91b8d615a65 100644
--- a/src/objective-c/generated_libraries/RemoteTestClient/RemoteTest.podspec
+++ b/src/objective-c/generated_libraries/RemoteTestClient/RemoteTest.podspec
@@ -7,17 +7,17 @@ Pod::Spec.new do |s|
   s.osx.deployment_target = "10.8"
 
   # Run protoc with the Objective-C and gRPC plugins to generate protocol messages and gRPC clients.
-  s.prepare_command = "protoc --objc_out=. --objcgrpc_out=. *.proto **/*.proto"
+  s.prepare_command = "protoc --objc_out=. --objcgrpc_out=. *.proto"
 
   s.subspec "Messages" do |ms|
-    ms.source_files = "*.pbobjc.{h,m}", "**/*.pbobjc.{h,m}"
+    ms.source_files = "*.pbobjc.{h,m}"
     ms.header_mappings_dir = "."
     ms.requires_arc = false
     ms.dependency "Protobuf", "~> 3.0.0-alpha-3"
   end
 
   s.subspec "Services" do |ss|
-    ss.source_files = "*.pbrpc.{h,m}", "**/*.pbrpc.{h,m}"
+    ss.source_files = "*.pbrpc.{h,m}"
     ss.header_mappings_dir = "."
     ss.requires_arc = true
     ss.dependency "gRPC", "~> 0.5"
diff --git a/src/objective-c/generated_libraries/RouteGuideClient/RouteGuide.podspec b/src/objective-c/generated_libraries/RouteGuideClient/RouteGuide.podspec
index 58ccb4873ee8bd0cec8c5cc3f4566f6ec7ab8496..e26e62f5bbb5f7206d478e5ab70ff9e2f3a61329 100644
--- a/src/objective-c/generated_libraries/RouteGuideClient/RouteGuide.podspec
+++ b/src/objective-c/generated_libraries/RouteGuideClient/RouteGuide.podspec
@@ -7,17 +7,17 @@ Pod::Spec.new do |s|
   s.osx.deployment_target = "10.8"
 
   # Run protoc with the Objective-C and gRPC plugins to generate protocol messages and gRPC clients.
-  s.prepare_command = "protoc --objc_out=. --objcgrpc_out=. *.proto **/*.proto"
+  s.prepare_command = "protoc --objc_out=. --objcgrpc_out=. *.proto"
 
   s.subspec "Messages" do |ms|
-    ms.source_files = "*.pbobjc.{h,m}", "**/*.pbobjc.{h,m}"
+    ms.source_files = "*.pbobjc.{h,m}"
     ms.header_mappings_dir = "."
     ms.requires_arc = false
     ms.dependency "Protobuf", "~> 3.0.0-alpha-3"
   end
 
   s.subspec "Services" do |ss|
-    ss.source_files = "*.pbrpc.{h,m}", "**/*.pbrpc.{h,m}"
+    ss.source_files = "*.pbrpc.{h,m}"
     ss.header_mappings_dir = "."
     ss.requires_arc = true
     ss.dependency "gRPC", "~> 0.5"
diff --git a/src/objective-c/tests/GRPCClientTests.m b/src/objective-c/tests/GRPCClientTests.m
index 713ea2848a1048c6f5d03e48f33a7115d378375e..268e67af2f07fea2d0c7d454e90cd133d554a0a1 100644
--- a/src/objective-c/tests/GRPCClientTests.m
+++ b/src/objective-c/tests/GRPCClientTests.m
@@ -43,24 +43,38 @@
 // These are a few tests similar to InteropTests, but which use the generic gRPC client (GRPCCall)
 // rather than a generated proto library on top of it.
 
+static NSString * const kHostAddress = @"grpc-test.sandbox.google.com";
+static NSString * const kPackage = @"grpc.testing";
+static NSString * const kService = @"TestService";
+
+static GRPCMethodName *kInexistentMethod;
+static GRPCMethodName *kEmptyCallMethod;
+static GRPCMethodName *kUnaryCallMethod;
+
 @interface GRPCClientTests : XCTestCase
 @end
 
 @implementation GRPCClientTests
 
-- (void)testConnectionToRemoteServer {
-  __weak XCTestExpectation *expectation = [self expectationWithDescription:@"Server reachable."];
-
+- (void)setUp {
   // This method isn't implemented by the remote server.
-  GRPCMethodName *method = [[GRPCMethodName alloc] initWithPackage:@"grpc.testing"
-                                                         interface:@"TestService"
-                                                            method:@"Nonexistent"];
+  kInexistentMethod = [[GRPCMethodName alloc] initWithPackage:kPackage
+                                                    interface:kService
+                                                       method:@"Inexistent"];
+  kEmptyCallMethod = [[GRPCMethodName alloc] initWithPackage:kPackage
+                                                   interface:kService
+                                                      method:@"EmptyCall"];
+  kUnaryCallMethod = [[GRPCMethodName alloc] initWithPackage:kPackage
+                                                   interface:kService
+                                                      method:@"UnaryCall"];
+}
 
-  id<GRXWriter> requestsWriter = [GRXWriter writerWithValue:[NSData data]];
+- (void)testConnectionToRemoteServer {
+  __weak XCTestExpectation *expectation = [self expectationWithDescription:@"Server reachable."];
 
-  GRPCCall *call = [[GRPCCall alloc] initWithHost:@"grpc-test.sandbox.google.com"
-                                           method:method
-                                   requestsWriter:requestsWriter];
+  GRPCCall *call = [[GRPCCall alloc] initWithHost:kHostAddress
+                                           method:kInexistentMethod
+                                   requestsWriter:[GRXWriter writerWithValue:[NSData data]]];
 
   id<GRXWriteable> responsesWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {
     XCTFail(@"Received unexpected response: %@", value);
@@ -80,15 +94,9 @@
   __weak XCTestExpectation *response = [self expectationWithDescription:@"Empty response received."];
   __weak XCTestExpectation *completion = [self expectationWithDescription:@"Empty RPC completed."];
 
-  GRPCMethodName *method = [[GRPCMethodName alloc] initWithPackage:@"grpc.testing"
-                                                         interface:@"TestService"
-                                                            method:@"EmptyCall"];
-
-  id<GRXWriter> requestsWriter = [GRXWriter writerWithValue:[NSData data]];
-
-  GRPCCall *call = [[GRPCCall alloc] initWithHost:@"grpc-test.sandbox.google.com"
-                                           method:method
-                                   requestsWriter:requestsWriter];
+  GRPCCall *call = [[GRPCCall alloc] initWithHost:kHostAddress
+                                           method:kEmptyCallMethod
+                                   requestsWriter:[GRXWriter writerWithValue:[NSData data]]];
 
   id<GRXWriteable> responsesWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {
     XCTAssertNotNil(value, @"nil value received as response.");
@@ -105,34 +113,27 @@
 }
 
 - (void)testSimpleProtoRPC {
-  __weak XCTestExpectation *response = [self expectationWithDescription:@"Response received."];
-  __weak XCTestExpectation *expectedResponse =
-  [self expectationWithDescription:@"Expected response."];
+  __weak XCTestExpectation *response = [self expectationWithDescription:@"Expected response."];
   __weak XCTestExpectation *completion = [self expectationWithDescription:@"RPC completed."];
 
-  GRPCMethodName *method = [[GRPCMethodName alloc] initWithPackage:@"grpc.testing"
-                                                         interface:@"TestService"
-                                                            method:@"UnaryCall"];
-
-  RMTSimpleRequest *request = [[RMTSimpleRequest alloc] init];
+  RMTSimpleRequest *request = [RMTSimpleRequest message];
   request.responseSize = 100;
   request.fillUsername = YES;
   request.fillOauthScope = YES;
   id<GRXWriter> requestsWriter = [GRXWriter writerWithValue:[request data]];
 
-  GRPCCall *call = [[GRPCCall alloc] initWithHost:@"grpc-test.sandbox.google.com"
-                                           method:method
+  GRPCCall *call = [[GRPCCall alloc] initWithHost:kHostAddress
+                                           method:kUnaryCallMethod
                                    requestsWriter:requestsWriter];
 
   id<GRXWriteable> responsesWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {
     XCTAssertNotNil(value, @"nil value received as response.");
-    [response fulfill];
     XCTAssertGreaterThan(value.length, 0, @"Empty response received.");
-    RMTSimpleResponse *response = [RMTSimpleResponse parseFromData:value error:NULL];
+    RMTSimpleResponse *responseProto = [RMTSimpleResponse parseFromData:value error:NULL];
     // We expect empty strings, not nil:
-    XCTAssertNotNil(response.username, @"Response's username is nil.");
-    XCTAssertNotNil(response.oauthScope, @"Response's OAuth scope is nil.");
-    [expectedResponse fulfill];
+    XCTAssertNotNil(responseProto.username, @"Response's username is nil.");
+    XCTAssertNotNil(responseProto.oauthScope, @"Response's OAuth scope is nil.");
+    [response fulfill];
   } completionHandler:^(NSError *errorOrNil) {
     XCTAssertNil(errorOrNil, @"Finished with unexpected error: %@", errorOrNil);
     [completion fulfill];
@@ -143,4 +144,36 @@
   [self waitForExpectationsWithTimeout:2. handler:nil];
 }
 
+- (void)testMetadata {
+  __weak XCTestExpectation *expectation = [self expectationWithDescription:@"RPC unauthorized."];
+
+  RMTSimpleRequest *request = [RMTSimpleRequest message];
+  request.fillUsername = YES;
+  request.fillOauthScope = YES;
+  id<GRXWriter> requestsWriter = [GRXWriter writerWithValue:[request data]];
+
+  GRPCCall *call = [[GRPCCall alloc] initWithHost:kHostAddress
+                                           method:kUnaryCallMethod
+                                   requestsWriter:requestsWriter];
+
+  call.requestMetadata[@"Authorization"] = @"Bearer bogusToken";
+
+  id<GRXWriteable> responsesWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {
+    XCTFail(@"Received unexpected response: %@", value);
+  } completionHandler:^(NSError *errorOrNil) {
+    XCTAssertNotNil(errorOrNil, @"Finished without error!");
+    XCTAssertEqual(errorOrNil.code, 16, @"Finished with unexpected error: %@", errorOrNil);
+    XCTAssertEqualObjects(call.responseMetadata, errorOrNil.userInfo[kGRPCStatusMetadataKey],
+                          @"Metadata in the NSError object and call object differ.");
+    NSString *challengeHeader = call.responseMetadata[@"www-authenticate"];
+    XCTAssertGreaterThan(challengeHeader.length, 0,
+                         @"No challenge in response headers %@", call.responseMetadata);
+    [expectation fulfill];
+  }];
+
+  [call startWithWriteable:responsesWriteable];
+
+  [self waitForExpectationsWithTimeout:2. handler:nil];
+}
+
 @end
diff --git a/src/php/ext/grpc/call.c b/src/php/ext/grpc/call.c
index 9f651ff56f69b71920b47771f4512bb3e542fde6..10a4946ea60da70ff8cd14645b0911e5a721622e 100644
--- a/src/php/ext/grpc/call.c
+++ b/src/php/ext/grpc/call.c
@@ -397,6 +397,7 @@ PHP_METHOD(Call, startBatch) {
         goto cleanup;
     }
     ops[op_num].op = (grpc_op_type)index;
+    ops[op_num].flags = 0;
     op_num++;
   }
   error = grpc_call_start_batch(call->wrapped, ops, op_num, call->wrapped);
diff --git a/src/php/lib/Grpc/AbstractCall.php b/src/php/lib/Grpc/AbstractCall.php
index 1add9725890bb1bf779f72972bd18c7c17470dc2..5b28417a0df479d442fd4e91f81bbdc2b5b35547 100644
--- a/src/php/lib/Grpc/AbstractCall.php
+++ b/src/php/lib/Grpc/AbstractCall.php
@@ -43,9 +43,19 @@ abstract class AbstractCall {
    * Create a new Call wrapper object.
    * @param Channel $channel The channel to communicate on
    * @param string $method The method to call on the remote server
+   * @param callback $deserialize A callback function to deserialize
+   * the response
+   * @param (optional) long $timeout Timeout in microseconds
    */
-  public function __construct(Channel $channel, $method, $deserialize) {
-    $this->call = new Call($channel, $method, Timeval::infFuture());
+  public function __construct(Channel $channel, $method, $deserialize, $timeout = false) {
+    if ($timeout) {
+      $now = Timeval::now();
+      $delta = new Timeval($timeout);
+      $deadline = $now->add($delta);
+    } else {
+      $deadline = Timeval::infFuture();
+    }
+    $this->call = new Call($channel, $method, $deadline);
     $this->deserialize = $deserialize;
     $this->metadata = null;
   }
diff --git a/src/php/lib/Grpc/BaseStub.php b/src/php/lib/Grpc/BaseStub.php
index b84b6b86f8f5d34de0d628203aa7b9fd7b37496a..48c00977eb8ec9290ef0928132b9beca522e6c81 100755
--- a/src/php/lib/Grpc/BaseStub.php
+++ b/src/php/lib/Grpc/BaseStub.php
@@ -83,6 +83,21 @@ class BaseStub {
     return "https://" . $this->hostname . $service_name;
   }
 
+  /**
+   * extract $timeout from $metadata
+   * @param $metadata The metadata map
+   * @return list($metadata_copy, $timeout)
+   */
+  private function _extract_timeout_from_metadata($metadata) {
+    $timeout = false;
+    $metadata_copy = $metadata;
+    if (isset($metadata['timeout'])) {
+      $timeout = $metadata['timeout'];
+      unset($metadata_copy['timeout']);
+    }
+    return array($metadata_copy, $timeout);
+  }
+
   /* This class is intended to be subclassed by generated code, so all functions
      begin with "_" to avoid name collisions. */
 
@@ -99,8 +114,8 @@ class BaseStub {
                                  $argument,
                                  callable $deserialize,
                                  $metadata = array()) {
-    $call = new UnaryCall($this->channel, $method, $deserialize);
-    $actual_metadata = $metadata;
+    list($actual_metadata, $timeout)  = $this->_extract_timeout_from_metadata($metadata);
+    $call = new UnaryCall($this->channel, $method, $deserialize, $timeout);
     $jwt_aud_uri = $this->_get_jwt_aud_uri($method);
     if (is_callable($this->update_metadata)) {
       $actual_metadata = call_user_func($this->update_metadata,
@@ -126,8 +141,8 @@ class BaseStub {
                                        $arguments,
                                        callable $deserialize,
                                        $metadata = array()) {
-    $call = new ClientStreamingCall($this->channel, $method, $deserialize);
-    $actual_metadata = $metadata;
+    list($actual_metadata, $timeout)  = $this->_extract_timeout_from_metadata($metadata);
+    $call = new ClientStreamingCall($this->channel, $method, $deserialize, $timeout);
     $jwt_aud_uri = $this->_get_jwt_aud_uri($method);
     if (is_callable($this->update_metadata)) {
       $actual_metadata = call_user_func($this->update_metadata,
@@ -152,8 +167,8 @@ class BaseStub {
                                        $argument,
                                        callable $deserialize,
                                        $metadata = array()) {
-    $call = new ServerStreamingCall($this->channel, $method, $deserialize);
-    $actual_metadata = $metadata;
+    list($actual_metadata, $timeout)  = $this->_extract_timeout_from_metadata($metadata);
+    $call = new ServerStreamingCall($this->channel, $method, $deserialize, $timeout);
     $jwt_aud_uri = $this->_get_jwt_aud_uri($method);
     if (is_callable($this->update_metadata)) {
       $actual_metadata = call_user_func($this->update_metadata,
@@ -175,8 +190,8 @@ class BaseStub {
   public function _bidiRequest($method,
                                callable $deserialize,
                                $metadata = array()) {
-    $call = new BidiStreamingCall($this->channel, $method, $deserialize);
-    $actual_metadata = $metadata;
+    list($actual_metadata, $timeout)  = $this->_extract_timeout_from_metadata($metadata);
+    $call = new BidiStreamingCall($this->channel, $method, $deserialize, $timeout);
     $jwt_aud_uri = $this->_get_jwt_aud_uri($method);
     if (is_callable($this->update_metadata)) {
       $actual_metadata = call_user_func($this->update_metadata,
diff --git a/src/php/tests/interop/interop_client.php b/src/php/tests/interop/interop_client.php
index 9aee01cd4d56aff3b39b4706bf2607997960e7d3..20415775574c3f1c77b68dccc3388ec30a7de71e 100755
--- a/src/php/tests/interop/interop_client.php
+++ b/src/php/tests/interop/interop_client.php
@@ -270,6 +270,24 @@ function cancelAfterFirstResponse($stub) {
              'Call status was not CANCELLED');
 }
 
+function timeoutOnSleepingServer($stub) {
+  $call = $stub->FullDuplexCall(array('timeout' => 500000));
+  $request = new grpc\testing\StreamingOutputCallRequest();
+  $request->setResponseType(grpc\testing\PayloadType::COMPRESSABLE);
+  $response_parameters = new grpc\testing\ResponseParameters();
+  $response_parameters->setSize(8);
+  $request->addResponseParameters($response_parameters);
+  $payload = new grpc\testing\Payload();
+  $payload->setBody(str_repeat("\0", 9));
+  $request->setPayload($payload);
+
+  $call->write($request);
+  $response = $call->read();
+
+  hardAssert($call->getStatus()->code === Grpc\STATUS_DEADLINE_EXCEEDED,
+             'Call status was not DEADLINE_EXCEEDED');
+}
+
 $args = getopt('', array('server_host:', 'server_port:', 'test_case:',
                          'server_host_override:', 'oauth_scope:',
                          'default_service_account:'));
@@ -341,6 +359,9 @@ switch ($args['test_case']) {
   case 'cancel_after_first_response':
     cancelAfterFirstResponse($stub);
     break;
+  case 'timeout_on_sleeping_server':
+    timeoutOnSleepingServer($stub);
+    break;
   case 'service_account_creds':
     serviceAccountCreds($stub, $args);
     break;
diff --git a/src/php/tests/unit_tests/TimevalTest.php b/src/php/tests/unit_tests/TimevalTest.php
index a8bfcf0ac454463e895e8180440ed05912e265e9..7b4925cad607e9e7989d43df39dbae0185fa6610 100755
--- a/src/php/tests/unit_tests/TimevalTest.php
+++ b/src/php/tests/unit_tests/TimevalTest.php
@@ -61,4 +61,26 @@ class TimevalTest extends PHPUnit_Framework_TestCase{
     $this->assertLessThan(0, Grpc\Timeval::compare($zero, $now));
     $this->assertLessThan(0, Grpc\Timeval::compare($now, $future));
   }
+
+  public function testNowAndAdd() {
+    $now = Grpc\Timeval::now();
+    $delta = new Grpc\Timeval(1000);
+    $deadline = $now->add($delta);
+    $this->assertGreaterThan(0, Grpc\Timeval::compare($deadline, $now));
+  }
+
+  public function testNowAndSubtract() {
+    $now = Grpc\Timeval::now();
+    $delta = new Grpc\Timeval(1000);
+    $deadline = $now->subtract($delta);
+    $this->assertLessThan(0, Grpc\Timeval::compare($deadline, $now));
+  }
+
+  public function testAddAndSubtract() {
+    $now = Grpc\Timeval::now();
+    $delta = new Grpc\Timeval(1000);
+    $deadline = $now->add($delta);
+    $back_to_now = $deadline->subtract($delta);
+    $this->assertSame(0, Grpc\Timeval::compare($back_to_now, $now));
+  }
 }
diff --git a/src/python/src/grpc/_adapter/_c/utility.c b/src/python/src/grpc/_adapter/_c/utility.c
index 651ed3b0a2b9ee4e622b9a100e07a0612797f0b6..3b004abf3d94817d02b38e27da8edc4254aa8d21 100644
--- a/src/python/src/grpc/_adapter/_c/utility.c
+++ b/src/python/src/grpc/_adapter/_c/utility.c
@@ -169,6 +169,7 @@ int pygrpc_produce_op(PyObject *op, grpc_op *result) {
     return 0;
   }
   c_op.op = type;
+  c_op.flags = 0;
   switch (type) {
   case GRPC_OP_SEND_INITIAL_METADATA:
     if (!pygrpc_cast_pylist_to_send_metadata(
@@ -196,10 +197,11 @@ int pygrpc_produce_op(PyObject *op, grpc_op *result) {
       return 0;
     }
     if (!PyTuple_Check(PyTuple_GET_ITEM(op, STATUS_INDEX))) {
-      char buf[64];
-      snprintf(buf, sizeof(buf), "expected tuple status in op of length %d",
-               STATUS_TUPLE_SIZE);
-      PyErr_SetString(PyExc_TypeError, buf);
+      char *buf;
+      gpr_asprintf(&buf, "expected tuple status in op of length %d",
+                   STATUS_TUPLE_SIZE);
+      PyErr_SetString(PyExc_ValueError, buf);
+      gpr_free(buf);
       return 0;
     }
     c_op.data.send_status_from_server.status = PyInt_AsLong(
diff --git a/src/ruby/ext/grpc/rb_call.c b/src/ruby/ext/grpc/rb_call.c
index 29f870f92982a07dcc747c429d578653bea6ab61..33bfd006daeb6ad6dd202f205ab3d8b7d9020b6d 100644
--- a/src/ruby/ext/grpc/rb_call.c
+++ b/src/ruby/ext/grpc/rb_call.c
@@ -507,6 +507,7 @@ static void grpc_run_batch_stack_fill_ops(run_batch_stack *st, VALUE ops_hash) {
                  NUM2INT(this_op));
     };
     st->ops[st->op_num].op = (grpc_op_type)NUM2INT(this_op);
+    st->ops[st->op_num].flags = 0;
     st->op_num++;
   }
 }
diff --git a/test/core/end2end/dualstack_socket_test.c b/test/core/end2end/dualstack_socket_test.c
index 3b3680794b55df9ca17f1c288fb6da85b8fe8d90..06cbba295e6d73d6a6dae12b9b5f518061e67115 100644
--- a/test/core/end2end/dualstack_socket_test.c
+++ b/test/core/end2end/dualstack_socket_test.c
@@ -135,17 +135,21 @@ void test_connect(const char *server_host, const char *client_host, int port,
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -161,14 +165,17 @@ void test_connect(const char *server_host, const char *client_host, int port,
     op = ops;
     op->op = GRPC_OP_SEND_INITIAL_METADATA;
     op->data.send_initial_metadata.count = 0;
+    op->flags = 0;
     op++;
     op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
     op->data.send_status_from_server.trailing_metadata_count = 0;
     op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
     op->data.send_status_from_server.status_details = "xyz";
+    op->flags = 0;
     op++;
     op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
     op->data.recv_close_on_server.cancelled = &was_cancelled;
+    op->flags = 0;
     op++;
     GPR_ASSERT(GRPC_CALL_OK ==
                grpc_call_start_batch(s, ops, op - ops, tag(102)));
diff --git a/test/core/end2end/gen_build_json.py b/test/core/end2end/gen_build_json.py
index fb13c7840c860b2b665922058ff5b26ff95e48e8..66447527e11df558df8649c9e048e9a5032b82ea 100755
--- a/test/core/end2end/gen_build_json.py
+++ b/test/core/end2end/gen_build_json.py
@@ -84,6 +84,7 @@ END2END_TESTS = {
     'request_response_with_payload_and_call_creds': TestOptions(flaky=False, secure=True),
     'request_with_large_metadata': default_test_options,
     'request_with_payload': default_test_options,
+    'request_with_flags': default_test_options,
     'server_finishes_request': default_test_options,
     'simple_delayed_request': default_test_options,
     'simple_request': default_test_options,
@@ -101,7 +102,7 @@ def main():
               'language': 'c',
               'secure': 'check' if END2END_FIXTURES[f].secure else 'no',
               'src': ['test/core/end2end/fixtures/%s.c' % f],
-              'platforms': [ 'posix' ] if f.endswith('_posix') else [ 'windows', 'posix' ],
+              'platforms': [ 'posix' ] if f.endswith('_posix') else END2END_FIXTURES[f].platforms,
           }
           for f in sorted(END2END_FIXTURES.keys())] + [
           {
diff --git a/test/core/end2end/no_server_test.c b/test/core/end2end/no_server_test.c
index bba9cd1a569038e0ce1bb34b94cc4c8f192614b7..35b837b7b53a756e983b5959a53e3ed837b383b9 100644
--- a/test/core/end2end/no_server_test.c
+++ b/test/core/end2end/no_server_test.c
@@ -67,12 +67,14 @@ int main(int argc, char **argv) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK ==
              grpc_call_start_batch(call, ops, op - ops, tag(1)));
diff --git a/test/core/end2end/tests/bad_hostname.c b/test/core/end2end/tests/bad_hostname.c
index 6533b3c475932cd389fd07eb854b7660a1580ab8..809c5bb7d4dab8467a4157fc1e8c978329d22dde 100644
--- a/test/core/end2end/tests/bad_hostname.c
+++ b/test/core/end2end/tests/bad_hostname.c
@@ -126,17 +126,21 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
diff --git a/test/core/end2end/tests/cancel_after_accept.c b/test/core/end2end/tests/cancel_after_accept.c
index eeabb7850419ea49d1653cc7208d75bd1458c2e3..cc5586bd1bef2880fe44aed91535b7ec80cd6003 100644
--- a/test/core/end2end/tests/cancel_after_accept.c
+++ b/test/core/end2end/tests/cancel_after_accept.c
@@ -142,18 +142,23 @@ static void test_cancel_after_accept(grpc_end2end_test_config config,
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -167,15 +172,19 @@ static void test_cancel_after_accept(grpc_end2end_test_config config,
   op = ops;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = response_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(3)));
 
diff --git a/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c b/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c
index 0ee87d328f03662bf91c4115e862b2f0e49ff156..9a2fcf68a46b837258f4c48110570bc9326ccb22 100644
--- a/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c
+++ b/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c
@@ -142,20 +142,26 @@ static void test_cancel_after_accept_and_writes_closed(
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -169,15 +175,19 @@ static void test_cancel_after_accept_and_writes_closed(
   op = ops;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = response_payload;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(3)));
 
diff --git a/test/core/end2end/tests/cancel_after_invoke.c b/test/core/end2end/tests/cancel_after_invoke.c
index 019651fa4ffd3ce43e88d3189870a23380b7875e..9b3ad280cb66fea6c2c2f007ce88ad9daac39618 100644
--- a/test/core/end2end/tests/cancel_after_invoke.c
+++ b/test/core/end2end/tests/cancel_after_invoke.c
@@ -137,20 +137,26 @@ static void test_cancel_after_invoke(grpc_end2end_test_config config,
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, test_ops, tag(1)));
 
diff --git a/test/core/end2end/tests/cancel_before_invoke.c b/test/core/end2end/tests/cancel_before_invoke.c
index 84655566418ca1684124bd3868f8b5afb3c09f51..ca19c469f61f39d2b0234669e71ac2e9297c9534 100644
--- a/test/core/end2end/tests/cancel_before_invoke.c
+++ b/test/core/end2end/tests/cancel_before_invoke.c
@@ -136,20 +136,26 @@ static void test_cancel_before_invoke(grpc_end2end_test_config config,
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, test_ops, tag(1)));
 
diff --git a/test/core/end2end/tests/census_simple_request.c b/test/core/end2end/tests/census_simple_request.c
index 96fe4e8cec3adb376575ac2d15a00119a65352a2..ac2574c8040ce12da9102adf3f525f83ebccab3a 100644
--- a/test/core/end2end/tests/census_simple_request.c
+++ b/test/core/end2end/tests/census_simple_request.c
@@ -125,17 +125,21 @@ static void test_body(grpc_end2end_test_fixture f) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -149,14 +153,17 @@ static void test_body(grpc_end2end_test_fixture f) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/end2end/tests/disappearing_server.c b/test/core/end2end/tests/disappearing_server.c
index 8ba60d78e6bf5fd4c95cad542cf95fef66dd0807..cf9b79f117a6435754c37219efbd155403627498 100644
--- a/test/core/end2end/tests/disappearing_server.c
+++ b/test/core/end2end/tests/disappearing_server.c
@@ -113,17 +113,21 @@ static void do_request_and_shutdown_server(grpc_end2end_test_fixture *f,
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -141,14 +145,17 @@ static void do_request_and_shutdown_server(grpc_end2end_test_fixture *f,
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c b/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c
index 30d64d3f750cd1ea9c5700a6af5ebd3501873ffd..5826ababaa282c286ab7fa0eb8936c9c5233c39a 100644
--- a/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c
+++ b/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c
@@ -121,17 +121,21 @@ static void test_early_server_shutdown_finishes_inflight_calls(
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
   op->data.send_initial_metadata.metadata = NULL;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -145,6 +149,7 @@ static void test_early_server_shutdown_finishes_inflight_calls(
   op = ops;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/end2end/tests/graceful_server_shutdown.c b/test/core/end2end/tests/graceful_server_shutdown.c
index a1ea13afd9c746be0c61e7cfc6760d44d2936eb2..6a5b4b15d3d53924ee87ffef49912f58a2dd68f4 100644
--- a/test/core/end2end/tests/graceful_server_shutdown.c
+++ b/test/core/end2end/tests/graceful_server_shutdown.c
@@ -128,17 +128,21 @@ static void test_early_server_shutdown_finishes_inflight_calls(
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
   op->data.send_initial_metadata.metadata = NULL;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -156,14 +160,17 @@ static void test_early_server_shutdown_finishes_inflight_calls(
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/end2end/tests/max_concurrent_streams.c b/test/core/end2end/tests/max_concurrent_streams.c
index c3af98482853ff4aef8c41c880ad8362de98041c..f8660bb9013ca3959e1708c1858dd61b1fb24286 100644
--- a/test/core/end2end/tests/max_concurrent_streams.c
+++ b/test/core/end2end/tests/max_concurrent_streams.c
@@ -127,17 +127,21 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -151,14 +155,17 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
@@ -258,8 +265,10 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK ==
              grpc_call_start_batch(c1, ops, op - ops, tag(301)));
@@ -270,9 +279,11 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
   op->data.recv_status_on_client.status = &status1;
   op->data.recv_status_on_client.status_details = &details1;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity1;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv1;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK ==
              grpc_call_start_batch(c1, ops, op - ops, tag(302)));
@@ -280,8 +291,10 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK ==
              grpc_call_start_batch(c2, ops, op - ops, tag(401)));
@@ -292,9 +305,11 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
   op->data.recv_status_on_client.status = &status2;
   op->data.recv_status_on_client.status_details = &details2;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity2;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv1;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK ==
              grpc_call_start_batch(c2, ops, op - ops, tag(402)));
@@ -315,14 +330,17 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK ==
              grpc_call_start_batch(s1, ops, op - ops, tag(102)));
@@ -346,14 +364,17 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK ==
              grpc_call_start_batch(s2, ops, op - ops, tag(202)));
diff --git a/test/core/end2end/tests/max_message_length.c b/test/core/end2end/tests/max_message_length.c
index df14a61143ed44a4c916a336b3d79f53cb652bd7..8d3d2f10d9613f0b045a029513773d84891f782a 100644
--- a/test/core/end2end/tests/max_message_length.c
+++ b/test/core/end2end/tests/max_message_length.c
@@ -143,20 +143,25 @@ static void test_max_message_length(grpc_end2end_test_config config) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -170,6 +175,7 @@ static void test_max_message_length(grpc_end2end_test_config config) {
   op = ops;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/end2end/tests/ping_pong_streaming.c b/test/core/end2end/tests/ping_pong_streaming.c
index 5d10772ae3d4cc71b3ef7d5d8d58f631c604d58a..2b617ce00b4735e5d13bd8bce63b343d24c7427a 100644
--- a/test/core/end2end/tests/ping_pong_streaming.c
+++ b/test/core/end2end/tests/ping_pong_streaming.c
@@ -137,15 +137,18 @@ static void test_pingpong_streaming(grpc_end2end_test_config config,
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -159,9 +162,11 @@ static void test_pingpong_streaming(grpc_end2end_test_config config,
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(101)));
 
@@ -172,15 +177,18 @@ static void test_pingpong_streaming(grpc_end2end_test_config config,
     op = ops;
     op->op = GRPC_OP_SEND_MESSAGE;
     op->data.send_message = request_payload;
+    op->flags = 0;
     op++;
     op->op = GRPC_OP_RECV_MESSAGE;
     op->data.recv_message = &response_payload_recv;
+    op->flags = 0;
     op++;
     GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(2)));
 
     op = ops;
     op->op = GRPC_OP_RECV_MESSAGE;
     op->data.recv_message = &request_payload_recv;
+    op->flags = 0;
     op++;
     GPR_ASSERT(GRPC_CALL_OK ==
                grpc_call_start_batch(s, ops, op - ops, tag(102)));
@@ -190,6 +198,7 @@ static void test_pingpong_streaming(grpc_end2end_test_config config,
     op = ops;
     op->op = GRPC_OP_SEND_MESSAGE;
     op->data.send_message = response_payload;
+    op->flags = 0;
     op++;
     GPR_ASSERT(GRPC_CALL_OK ==
                grpc_call_start_batch(s, ops, op - ops, tag(103)));
@@ -210,6 +219,7 @@ static void test_pingpong_streaming(grpc_end2end_test_config config,
 
   op = ops;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(3)));
 
@@ -218,6 +228,7 @@ static void test_pingpong_streaming(grpc_end2end_test_config config,
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(104)));
 
diff --git a/test/core/end2end/tests/registered_call.c b/test/core/end2end/tests/registered_call.c
index 41dd3e43f431a486c7b198cb1b146490ef52748a..43e34ff67369141d43491825e08fe6d7b1953146 100644
--- a/test/core/end2end/tests/registered_call.c
+++ b/test/core/end2end/tests/registered_call.c
@@ -128,17 +128,21 @@ static void simple_request_body(grpc_end2end_test_fixture f, void *rc) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -152,14 +156,17 @@ static void simple_request_body(grpc_end2end_test_fixture f, void *rc) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c b/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c
index 8ba19641a4fa0d359a4c169b98a276516b39f77f..b1c6c98b0f6cef81ba4e93fe1ca519880a54b812 100644
--- a/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c
+++ b/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c
@@ -157,23 +157,29 @@ static void test_request_response_with_metadata_and_payload(
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 2;
   op->data.send_initial_metadata.metadata = meta_c;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -188,9 +194,11 @@ static void test_request_response_with_metadata_and_payload(
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 2;
   op->data.send_initial_metadata.metadata = meta_s;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
@@ -200,14 +208,17 @@ static void test_request_response_with_metadata_and_payload(
   op = ops;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = response_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(103)));
 
diff --git a/test/core/end2end/tests/request_response_with_metadata_and_payload.c b/test/core/end2end/tests/request_response_with_metadata_and_payload.c
index 93a797a73270ef84e10b3220aed2979311a1116b..d0a7b9a4b5fb793118d9e5b5584dc027d6290e4e 100644
--- a/test/core/end2end/tests/request_response_with_metadata_and_payload.c
+++ b/test/core/end2end/tests/request_response_with_metadata_and_payload.c
@@ -143,23 +143,29 @@ static void test_request_response_with_metadata_and_payload(
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 2;
   op->data.send_initial_metadata.metadata = meta_c;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -174,9 +180,11 @@ static void test_request_response_with_metadata_and_payload(
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 2;
   op->data.send_initial_metadata.metadata = meta_s;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
@@ -186,14 +194,17 @@ static void test_request_response_with_metadata_and_payload(
   op = ops;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = response_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(103)));
 
diff --git a/test/core/end2end/tests/request_response_with_payload.c b/test/core/end2end/tests/request_response_with_payload.c
index 75b9119f06adcc5a3b374cd9804b510acee506f1..9bf4816b4ec1f121e65b32a1c1f82b64b7d6cda4 100644
--- a/test/core/end2end/tests/request_response_with_payload.c
+++ b/test/core/end2end/tests/request_response_with_payload.c
@@ -135,23 +135,29 @@ static void request_response_with_payload(grpc_end2end_test_fixture f) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -165,9 +171,11 @@ static void request_response_with_payload(grpc_end2end_test_fixture f) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
@@ -177,14 +185,17 @@ static void request_response_with_payload(grpc_end2end_test_fixture f) {
   op = ops;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = response_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(103)));
 
diff --git a/test/core/end2end/tests/request_response_with_payload_and_call_creds.c b/test/core/end2end/tests/request_response_with_payload_and_call_creds.c
index 2c91f09db56b0a028655419d9ba5786fcc60831a..3de1d86757498ffb8785a066a8c709ddf483fb62 100644
--- a/test/core/end2end/tests/request_response_with_payload_and_call_creds.c
+++ b/test/core/end2end/tests/request_response_with_payload_and_call_creds.c
@@ -210,23 +210,29 @@ static void request_response_with_payload_and_call_creds(
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -247,9 +253,11 @@ static void request_response_with_payload_and_call_creds(
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
@@ -259,14 +267,17 @@ static void request_response_with_payload_and_call_creds(
   op = ops;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = response_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(103)));
 
diff --git a/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c b/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c
index 775be5eb6f77f74c4bcec41ceb690f109103c976..e91ebf41c626367adf008cd6708f985e9c728069 100644
--- a/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c
+++ b/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c
@@ -142,23 +142,29 @@ static void test_request_response_with_metadata_and_payload(
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 2;
   op->data.send_initial_metadata.metadata = meta_c;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -174,9 +180,11 @@ static void test_request_response_with_metadata_and_payload(
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 2;
   op->data.send_initial_metadata.metadata = meta_s;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
@@ -186,15 +194,18 @@ static void test_request_response_with_metadata_and_payload(
   op = ops;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = response_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 2;
   op->data.send_status_from_server.trailing_metadata = meta_t;
   op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(103)));
 
diff --git a/test/core/end2end/tests/request_with_flags.c b/test/core/end2end/tests/request_with_flags.c
new file mode 100644
index 0000000000000000000000000000000000000000..f9d6081577aaaeb5625e80f73ee267a981e8ab09
--- /dev/null
+++ b/test/core/end2end/tests/request_with_flags.c
@@ -0,0 +1,206 @@
+/*
+ *
+ * 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.
+ *
+ */
+
+#include "test/core/end2end/end2end_tests.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <grpc/byte_buffer.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+#include "src/core/transport/stream_op.h"
+#include "test/core/end2end/cq_verifier.h"
+
+enum { TIMEOUT = 200000 };
+
+static void *tag(gpr_intptr t) { return (void *)t; }
+
+static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
+                                            const char *test_name,
+                                            grpc_channel_args *client_args,
+                                            grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
+  f = config.create_fixture(client_args, server_args);
+  config.init_client(&f, client_args);
+  config.init_server(&f, server_args);
+  return f;
+}
+
+static gpr_timespec n_seconds_time(int n) {
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
+}
+
+static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
+
+static void drain_cq(grpc_completion_queue *cq) {
+  grpc_event ev;
+  do {
+    ev = grpc_completion_queue_next(cq, five_seconds_time());
+  } while (ev.type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture *f) {
+  if (!f->server) return;
+  grpc_server_shutdown(f->server);
+  grpc_server_destroy(f->server);
+  f->server = NULL;
+}
+
+static void shutdown_client(grpc_end2end_test_fixture *f) {
+  if (!f->client) return;
+  grpc_channel_destroy(f->client);
+  f->client = NULL;
+}
+
+static void end_test(grpc_end2end_test_fixture *f) {
+  shutdown_server(f);
+  shutdown_client(f);
+
+  grpc_completion_queue_shutdown(f->server_cq);
+  drain_cq(f->server_cq);
+  grpc_completion_queue_destroy(f->server_cq);
+  grpc_completion_queue_shutdown(f->client_cq);
+  drain_cq(f->client_cq);
+  grpc_completion_queue_destroy(f->client_cq);
+}
+
+static void test_invoke_request_with_flags(
+    grpc_end2end_test_config config, gpr_uint32 *flags_for_op,
+    grpc_call_error call_start_batch_expected_result) {
+  grpc_call *c;
+  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  grpc_byte_buffer *request_payload =
+      grpc_raw_byte_buffer_create(&request_payload_slice, 1);
+  gpr_timespec deadline = five_seconds_time();
+  grpc_end2end_test_fixture f =
+      begin_test(config, "test_invoke_request_with_flags", NULL, NULL);
+  cq_verifier *v_client = cq_verifier_create(f.client_cq);
+  cq_verifier *v_server = cq_verifier_create(f.server_cq);
+  grpc_op ops[6];
+  grpc_op *op;
+  grpc_metadata_array initial_metadata_recv;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_metadata_array request_metadata_recv;
+  grpc_byte_buffer *request_payload_recv = NULL;
+  grpc_call_details call_details;
+  grpc_status_code status;
+  char *details = NULL;
+  size_t details_capacity = 0;
+  grpc_call_error expectation;
+
+  c = grpc_channel_create_call(f.client, f.client_cq, "/foo",
+                               "foo.test.google.fr", deadline);
+  GPR_ASSERT(c);
+
+  grpc_metadata_array_init(&initial_metadata_recv);
+  grpc_metadata_array_init(&trailing_metadata_recv);
+  grpc_metadata_array_init(&request_metadata_recv);
+  grpc_call_details_init(&call_details);
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = flags_for_op[op->op];
+  op++;
+  op->op = GRPC_OP_SEND_MESSAGE;
+  op->data.send_message = request_payload;
+  op->flags = flags_for_op[op->op];
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = flags_for_op[op->op];
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = flags_for_op[op->op];
+  op++;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
+  op->data.recv_status_on_client.status = &status;
+  op->data.recv_status_on_client.status_details = &details;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = flags_for_op[op->op];
+  op++;
+  expectation = call_start_batch_expected_result;
+  GPR_ASSERT(expectation == grpc_call_start_batch(c, ops, op - ops, tag(1)));
+
+  gpr_free(details);
+  grpc_metadata_array_destroy(&initial_metadata_recv);
+  grpc_metadata_array_destroy(&trailing_metadata_recv);
+  grpc_metadata_array_destroy(&request_metadata_recv);
+  grpc_call_details_destroy(&call_details);
+
+  grpc_call_destroy(c);
+
+  cq_verifier_destroy(v_client);
+  cq_verifier_destroy(v_server);
+
+  grpc_byte_buffer_destroy(request_payload);
+  grpc_byte_buffer_destroy(request_payload_recv);
+
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+void grpc_end2end_tests(grpc_end2end_test_config config) {
+  size_t i;
+  gpr_uint32 flags_for_op[GRPC_OP_RECV_CLOSE_ON_SERVER+1];
+
+  {
+    /* check that all grpc_op_types fail when their flag value is set to an
+     * invalid value */
+    int indices[] = {GRPC_OP_SEND_INITIAL_METADATA, GRPC_OP_SEND_MESSAGE,
+                     GRPC_OP_SEND_CLOSE_FROM_CLIENT,
+                     GRPC_OP_RECV_INITIAL_METADATA,
+                     GRPC_OP_RECV_STATUS_ON_CLIENT};
+    for (i = 0; i < GPR_ARRAY_SIZE(indices); ++i) {
+      memset(flags_for_op, 0, sizeof(flags_for_op));
+      flags_for_op[indices[i]] = 0xDEADBEEF;
+      test_invoke_request_with_flags(config, flags_for_op,
+                                     GRPC_CALL_ERROR_INVALID_FLAGS);
+    }
+  }
+  {
+    /* check valid operation with allowed flags for GRPC_OP_SEND_BUFFER */
+    gpr_uint32 flags[] = {GRPC_WRITE_BUFFER_HINT, GRPC_WRITE_NO_COMPRESS,
+                          GRPC_WRITE_INTERNAL_COMPRESS};
+    for (i = 0; i < GPR_ARRAY_SIZE(flags); ++i) {
+      memset(flags_for_op, 0, sizeof(flags_for_op));
+      flags_for_op[GRPC_OP_SEND_MESSAGE] = flags[i];
+      test_invoke_request_with_flags(config, flags_for_op, GRPC_CALL_OK);
+    }
+  }
+}
diff --git a/test/core/end2end/tests/request_with_large_metadata.c b/test/core/end2end/tests/request_with_large_metadata.c
index 8469d9b2aa19ad7c598297050bfe75c499ec4ec4..cf6f4b23e4ef7b8919fc1e43b65a246dcd2a2b99 100644
--- a/test/core/end2end/tests/request_with_large_metadata.c
+++ b/test/core/end2end/tests/request_with_large_metadata.c
@@ -142,20 +142,25 @@ static void test_request_with_large_metadata(grpc_end2end_test_config config) {
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 1;
   op->data.send_initial_metadata.metadata = &meta;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -169,9 +174,11 @@ static void test_request_with_large_metadata(grpc_end2end_test_config config) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
@@ -181,11 +188,13 @@ static void test_request_with_large_metadata(grpc_end2end_test_config config) {
   op = ops;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(103)));
 
diff --git a/test/core/end2end/tests/request_with_payload.c b/test/core/end2end/tests/request_with_payload.c
index a4bb8d175394f7adcd0cdd68aa3c8458b5aec945..935aa5878b87c855fa13d8afc45c513b203788df 100644
--- a/test/core/end2end/tests/request_with_payload.c
+++ b/test/core/end2end/tests/request_with_payload.c
@@ -133,20 +133,25 @@ static void test_invoke_request_with_payload(grpc_end2end_test_config config) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -160,9 +165,11 @@ static void test_invoke_request_with_payload(grpc_end2end_test_config config) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
@@ -172,11 +179,13 @@ static void test_invoke_request_with_payload(grpc_end2end_test_config config) {
   op = ops;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_OK;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(103)));
 
diff --git a/test/core/end2end/tests/server_finishes_request.c b/test/core/end2end/tests/server_finishes_request.c
index 7782d6bcd4460cb5c00a45ad373f8a1e88f04ce0..973f024b4d0d495b0df53c8f59a8bce2d57986fa 100644
--- a/test/core/end2end/tests/server_finishes_request.c
+++ b/test/core/end2end/tests/server_finishes_request.c
@@ -129,15 +129,18 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -151,14 +154,17 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/end2end/tests/simple_delayed_request.c b/test/core/end2end/tests/simple_delayed_request.c
index 65760a1a4341c830c99a23a78e60e385a3c8ee3f..36558eca1d6b3634a3d85bddfc49b24046075e05 100644
--- a/test/core/end2end/tests/simple_delayed_request.c
+++ b/test/core/end2end/tests/simple_delayed_request.c
@@ -121,17 +121,21 @@ static void simple_delayed_request_body(grpc_end2end_test_config config,
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -147,14 +151,17 @@ static void simple_delayed_request_body(grpc_end2end_test_config config,
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/end2end/tests/simple_request.c b/test/core/end2end/tests/simple_request.c
index b6ea6a08b4827c3604d300588b069687f1267cbd..06f922351e3ae307d487c52b982aeeed3a8154c5 100644
--- a/test/core/end2end/tests/simple_request.c
+++ b/test/core/end2end/tests/simple_request.c
@@ -129,17 +129,21 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -153,14 +157,17 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/end2end/tests/simple_request_with_high_initial_sequence_number.c b/test/core/end2end/tests/simple_request_with_high_initial_sequence_number.c
index dafac60558c60b43d7aec89d7230f20ef38685e5..1d7a150d7efe8e72d1222a8671df7837f61082d5 100644
--- a/test/core/end2end/tests/simple_request_with_high_initial_sequence_number.c
+++ b/test/core/end2end/tests/simple_request_with_high_initial_sequence_number.c
@@ -129,17 +129,21 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
 
@@ -153,14 +157,17 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
 
diff --git a/test/core/surface/lame_client_test.c b/test/core/surface/lame_client_test.c
index 34d37f0f3c31520ede49d2732d2565bc3709b959..b2facd33b1ff68a02158c86372320dc554772d30 100644
--- a/test/core/surface/lame_client_test.c
+++ b/test/core/surface/lame_client_test.c
@@ -68,12 +68,14 @@ int main(int argc, char **argv) {
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
   op++;
   GPR_ASSERT(GRPC_CALL_OK ==
              grpc_call_start_batch(call, ops, op - ops, tag(1)));
diff --git a/test/cpp/end2end/async_end2end_test.cc b/test/cpp/end2end/async_end2end_test.cc
index 24595a820f62582681299fe768977623863ee668..871f956491ceba69ec66b5c221701bd88f35888a 100644
--- a/test/cpp/end2end/async_end2end_test.cc
+++ b/test/cpp/end2end/async_end2end_test.cc
@@ -157,7 +157,7 @@ class AsyncEnd2endTest : public ::testing::Test {
       client_ok(4);
 
       EXPECT_EQ(send_response.message(), recv_response.message());
-      EXPECT_TRUE(recv_status.IsOk());
+      EXPECT_TRUE(recv_status.ok());
     }
   }
 
@@ -218,7 +218,7 @@ TEST_F(AsyncEnd2endTest, AsyncNextRpc) {
   verify_timed_ok(&cli_cq_, 4, true);
 
   EXPECT_EQ(send_response.message(), recv_response.message());
-  EXPECT_TRUE(recv_status.IsOk());
+  EXPECT_TRUE(recv_status.ok());
 }
 
 // Two pings and a final pong.
@@ -272,7 +272,7 @@ TEST_F(AsyncEnd2endTest, SimpleClientStreaming) {
   client_ok(10);
 
   EXPECT_EQ(send_response.message(), recv_response.message());
-  EXPECT_TRUE(recv_status.IsOk());
+  EXPECT_TRUE(recv_status.ok());
 }
 
 // One ping, two pongs.
@@ -323,7 +323,7 @@ TEST_F(AsyncEnd2endTest, SimpleServerStreaming) {
   cli_stream->Finish(&recv_status, tag(9));
   client_ok(9);
 
-  EXPECT_TRUE(recv_status.IsOk());
+  EXPECT_TRUE(recv_status.ok());
 }
 
 // One ping, one pong.
@@ -376,7 +376,7 @@ TEST_F(AsyncEnd2endTest, SimpleBidiStreaming) {
   cli_stream->Finish(&recv_status, tag(10));
   client_ok(10);
 
-  EXPECT_TRUE(recv_status.IsOk());
+  EXPECT_TRUE(recv_status.ok());
 }
 
 // Metadata tests
@@ -420,7 +420,7 @@ TEST_F(AsyncEnd2endTest, ClientInitialMetadataRpc) {
   client_ok(4);
 
   EXPECT_EQ(send_response.message(), recv_response.message());
-  EXPECT_TRUE(recv_status.IsOk());
+  EXPECT_TRUE(recv_status.ok());
 }
 
 TEST_F(AsyncEnd2endTest, ServerInitialMetadataRpc) {
@@ -467,7 +467,7 @@ TEST_F(AsyncEnd2endTest, ServerInitialMetadataRpc) {
   client_ok(6);
 
   EXPECT_EQ(send_response.message(), recv_response.message());
-  EXPECT_TRUE(recv_status.IsOk());
+  EXPECT_TRUE(recv_status.ok());
 }
 
 TEST_F(AsyncEnd2endTest, ServerTrailingMetadataRpc) {
@@ -507,7 +507,7 @@ TEST_F(AsyncEnd2endTest, ServerTrailingMetadataRpc) {
   response_reader->Finish(&recv_response, &recv_status, tag(5));
   client_ok(5);
   EXPECT_EQ(send_response.message(), recv_response.message());
-  EXPECT_TRUE(recv_status.IsOk());
+  EXPECT_TRUE(recv_status.ok());
   auto server_trailing_metadata = cli_ctx.GetServerTrailingMetadata();
   EXPECT_EQ(meta1.second, server_trailing_metadata.find(meta1.first)->second);
   EXPECT_EQ(meta2.second, server_trailing_metadata.find(meta2.first)->second);
@@ -580,7 +580,7 @@ TEST_F(AsyncEnd2endTest, MetadataRpc) {
   response_reader->Finish(&recv_response, &recv_status, tag(6));
   client_ok(6);
   EXPECT_EQ(send_response.message(), recv_response.message());
-  EXPECT_TRUE(recv_status.IsOk());
+  EXPECT_TRUE(recv_status.ok());
   auto server_trailing_metadata = cli_ctx.GetServerTrailingMetadata();
   EXPECT_EQ(meta5.second, server_trailing_metadata.find(meta5.first)->second);
   EXPECT_EQ(meta6.second, server_trailing_metadata.find(meta6.first)->second);
diff --git a/test/cpp/end2end/client_crash_test.cc b/test/cpp/end2end/client_crash_test.cc
index e86681f75a138c0b37683be6bca1a8beb6107f43..aeba29594770b88e0cebc6f4d404500f49f673f8 100644
--- a/test/cpp/end2end/client_crash_test.cc
+++ b/test/cpp/end2end/client_crash_test.cc
@@ -119,7 +119,7 @@ TEST_F(CrashTest, KillAfterWrite) {
 
   EXPECT_FALSE(stream->Read(&response));
 
-  EXPECT_FALSE(stream->Finish().IsOk());
+  EXPECT_FALSE(stream->Finish().ok());
 }
 
 TEST_F(CrashTest, KillBeforeWrite) {
@@ -142,7 +142,7 @@ TEST_F(CrashTest, KillBeforeWrite) {
   EXPECT_FALSE(stream->Write(request));
   EXPECT_FALSE(stream->Read(&response));
 
-  EXPECT_FALSE(stream->Finish().IsOk());
+  EXPECT_FALSE(stream->Finish().ok());
 }
 
 }  // namespace
diff --git a/test/cpp/end2end/end2end_test.cc b/test/cpp/end2end/end2end_test.cc
index f48cf953a4f6e60e7e8a38c241daef3beafcff96..45ba8b0878b4f64d1bee61a65aaa57dc31a44b59 100644
--- a/test/cpp/end2end/end2end_test.cc
+++ b/test/cpp/end2end/end2end_test.cc
@@ -101,13 +101,13 @@ class TestServiceImpl : public ::grpc::cpp::test::util::TestService::Service {
             gpr_now(),
             gpr_time_from_micros(request->param().client_cancel_after_us())));
       }
-      return Status::Cancelled;
+      return Status::CANCELLED;
     } else if (request->has_param() &&
                request->param().server_cancel_after_us()) {
       gpr_sleep_until(gpr_time_add(
             gpr_now(),
             gpr_time_from_micros(request->param().server_cancel_after_us())));
-      return Status::Cancelled;
+      return Status::CANCELLED;
     } else {
       EXPECT_FALSE(context->IsCancelled());
     }
@@ -232,7 +232,7 @@ static void SendRpc(grpc::cpp::test::util::TestService::Stub* stub,
     ClientContext context;
     Status s = stub->Echo(&context, request, &response);
     EXPECT_EQ(response.message(), request.message());
-    EXPECT_TRUE(s.IsOk());
+    EXPECT_TRUE(s.ok());
   }
 }
 
@@ -265,7 +265,7 @@ TEST_F(End2endTest, RpcDeadlineExpires) {
       std::chrono::system_clock::now() + std::chrono::microseconds(10);
   context.set_deadline(deadline);
   Status s = stub_->Echo(&context, request, &response);
-  EXPECT_EQ(StatusCode::DEADLINE_EXCEEDED, s.code());
+  EXPECT_EQ(StatusCode::DEADLINE_EXCEEDED, s.error_code());
 }
 
 // Set a long but finite deadline.
@@ -281,7 +281,7 @@ TEST_F(End2endTest, RpcLongDeadline) {
   context.set_deadline(deadline);
   Status s = stub_->Echo(&context, request, &response);
   EXPECT_EQ(response.message(), request.message());
-  EXPECT_TRUE(s.IsOk());
+  EXPECT_TRUE(s.ok());
 }
 
 // Ask server to echo back the deadline it sees.
@@ -298,7 +298,7 @@ TEST_F(End2endTest, EchoDeadline) {
   context.set_deadline(deadline);
   Status s = stub_->Echo(&context, request, &response);
   EXPECT_EQ(response.message(), request.message());
-  EXPECT_TRUE(s.IsOk());
+  EXPECT_TRUE(s.ok());
   gpr_timespec sent_deadline;
   Timepoint2Timespec(deadline, &sent_deadline);
   // Allow 1 second error.
@@ -317,7 +317,7 @@ TEST_F(End2endTest, EchoDeadlineForNoDeadlineRpc) {
   ClientContext context;
   Status s = stub_->Echo(&context, request, &response);
   EXPECT_EQ(response.message(), request.message());
-  EXPECT_TRUE(s.IsOk());
+  EXPECT_TRUE(s.ok());
   EXPECT_EQ(response.param().request_deadline(), gpr_inf_future.tv_sec);
 }
 
@@ -329,9 +329,9 @@ TEST_F(End2endTest, UnimplementedRpc) {
 
   ClientContext context;
   Status s = stub_->Unimplemented(&context, request, &response);
-  EXPECT_FALSE(s.IsOk());
-  EXPECT_EQ(s.code(), grpc::StatusCode::UNIMPLEMENTED);
-  EXPECT_EQ(s.details(), "");
+  EXPECT_FALSE(s.ok());
+  EXPECT_EQ(s.error_code(), grpc::StatusCode::UNIMPLEMENTED);
+  EXPECT_EQ(s.error_message(), "");
   EXPECT_EQ(response.message(), "");
 }
 
@@ -347,7 +347,7 @@ TEST_F(End2endTest, RequestStreamOneRequest) {
   stream->WritesDone();
   Status s = stream->Finish();
   EXPECT_EQ(response.message(), request.message());
-  EXPECT_TRUE(s.IsOk());
+  EXPECT_TRUE(s.ok());
 }
 
 TEST_F(End2endTest, RequestStreamTwoRequests) {
@@ -363,7 +363,7 @@ TEST_F(End2endTest, RequestStreamTwoRequests) {
   stream->WritesDone();
   Status s = stream->Finish();
   EXPECT_EQ(response.message(), "hellohello");
-  EXPECT_TRUE(s.IsOk());
+  EXPECT_TRUE(s.ok());
 }
 
 TEST_F(End2endTest, ResponseStream) {
@@ -383,7 +383,7 @@ TEST_F(End2endTest, ResponseStream) {
   EXPECT_FALSE(stream->Read(&response));
 
   Status s = stream->Finish();
-  EXPECT_TRUE(s.IsOk());
+  EXPECT_TRUE(s.ok());
 }
 
 TEST_F(End2endTest, BidiStream) {
@@ -414,7 +414,7 @@ TEST_F(End2endTest, BidiStream) {
   EXPECT_FALSE(stream->Read(&response));
 
   Status s = stream->Finish();
-  EXPECT_TRUE(s.IsOk());
+  EXPECT_TRUE(s.ok());
 }
 
 // Talk to the two services with the same name but different package names.
@@ -433,7 +433,7 @@ TEST_F(End2endTest, DiffPackageServices) {
   ClientContext context;
   Status s = stub->Echo(&context, request, &response);
   EXPECT_EQ(response.message(), request.message());
-  EXPECT_TRUE(s.IsOk());
+  EXPECT_TRUE(s.ok());
 
   std::unique_ptr<grpc::cpp::test::util::duplicate::TestService::Stub>
       dup_pkg_stub(
@@ -441,7 +441,7 @@ TEST_F(End2endTest, DiffPackageServices) {
   ClientContext context2;
   s = dup_pkg_stub->Echo(&context2, request, &response);
   EXPECT_EQ("no package", response.message());
-  EXPECT_TRUE(s.IsOk());
+  EXPECT_TRUE(s.ok());
 }
 
 // rpc and stream should fail on bad credentials.
@@ -459,16 +459,16 @@ TEST_F(End2endTest, BadCredentials) {
 
   Status s = stub->Echo(&context, request, &response);
   EXPECT_EQ("", response.message());
-  EXPECT_FALSE(s.IsOk());
-  EXPECT_EQ(StatusCode::UNKNOWN, s.code());
-  EXPECT_EQ("Rpc sent on a lame channel.", s.details());
+  EXPECT_FALSE(s.ok());
+  EXPECT_EQ(StatusCode::UNKNOWN, s.error_code());
+  EXPECT_EQ("Rpc sent on a lame channel.", s.error_message());
 
   ClientContext context2;
   auto stream = stub->BidiStream(&context2);
   s = stream->Finish();
-  EXPECT_FALSE(s.IsOk());
-  EXPECT_EQ(StatusCode::UNKNOWN, s.code());
-  EXPECT_EQ("Rpc sent on a lame channel.", s.details());
+  EXPECT_FALSE(s.ok());
+  EXPECT_EQ(StatusCode::UNKNOWN, s.error_code());
+  EXPECT_EQ("Rpc sent on a lame channel.", s.error_message());
 }
 
 void CancelRpc(ClientContext* context, int delay_us, TestServiceImpl* service) {
@@ -491,8 +491,8 @@ TEST_F(End2endTest, ClientCancelsRpc) {
   std::thread cancel_thread(CancelRpc, &context, kCancelDelayUs, &service_);
   Status s = stub_->Echo(&context, request, &response);
   cancel_thread.join();
-  EXPECT_EQ(StatusCode::CANCELLED, s.code());
-  EXPECT_EQ(s.details(), "Cancelled");
+  EXPECT_EQ(StatusCode::CANCELLED, s.error_code());
+  EXPECT_EQ(s.error_message(), "Cancelled");
 }
 
 // Server cancels rpc after 1ms
@@ -505,8 +505,8 @@ TEST_F(End2endTest, ServerCancelsRpc) {
 
   ClientContext context;
   Status s = stub_->Echo(&context, request, &response);
-  EXPECT_EQ(StatusCode::CANCELLED, s.code());
-  EXPECT_TRUE(s.details().empty());
+  EXPECT_EQ(StatusCode::CANCELLED, s.error_code());
+  EXPECT_TRUE(s.error_message().empty());
 }
 
 // Client cancels request stream after sending two messages
@@ -524,7 +524,7 @@ TEST_F(End2endTest, ClientCancelsRequestStream) {
   context.TryCancel();
 
   Status s = stream->Finish();
-  EXPECT_EQ(grpc::StatusCode::CANCELLED, s.code());
+  EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code());
 
   EXPECT_EQ(response.message(), "");
 }
@@ -558,7 +558,7 @@ TEST_F(End2endTest, ClientCancelsResponseStream) {
   Status s = stream->Finish();
   // The final status could be either of CANCELLED or OK depending on
   // who won the race.
-  EXPECT_GE(grpc::StatusCode::CANCELLED, s.code());
+  EXPECT_GE(grpc::StatusCode::CANCELLED, s.error_code());
 }
 
 // Client cancels bidi stream after sending some messages
@@ -591,7 +591,7 @@ TEST_F(End2endTest, ClientCancelsBidi) {
   }
 
   Status s = stream->Finish();
-  EXPECT_EQ(grpc::StatusCode::CANCELLED, s.code());
+  EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code());
 }
 
 TEST_F(End2endTest, RpcMaxMessageSize) {
@@ -602,7 +602,7 @@ TEST_F(End2endTest, RpcMaxMessageSize) {
 
   ClientContext context;
   Status s = stub_->Echo(&context, request, &response);
-  EXPECT_FALSE(s.IsOk());
+  EXPECT_FALSE(s.ok());
 }
 
 bool MetadataContains(const std::multimap<grpc::string, grpc::string>& metadata,
@@ -632,7 +632,7 @@ TEST_F(End2endTest, SetPerCallCredentials) {
 
   Status s = stub_->Echo(&context, request, &response);
   EXPECT_EQ(request.message(), response.message());
-  EXPECT_TRUE(s.IsOk());
+  EXPECT_TRUE(s.ok());
   EXPECT_TRUE(MetadataContains(context.GetServerTrailingMetadata(),
                                GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY,
                                "fake_token"));
@@ -652,8 +652,8 @@ TEST_F(End2endTest, InsecurePerCallCredentials) {
   request.mutable_param()->set_echo_metadata(true);
 
   Status s = stub_->Echo(&context, request, &response);
-  EXPECT_EQ(StatusCode::CANCELLED, s.code());
-  EXPECT_EQ("Failed to set credentials to rpc.", s.details());
+  EXPECT_EQ(StatusCode::CANCELLED, s.error_code());
+  EXPECT_EQ("Failed to set credentials to rpc.", s.error_message());
 }
 
 TEST_F(End2endTest, OverridePerCallCredentials) {
@@ -684,7 +684,7 @@ TEST_F(End2endTest, OverridePerCallCredentials) {
                                 GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY,
                                 "fake_selector1"));
   EXPECT_EQ(request.message(), response.message());
-  EXPECT_TRUE(s.IsOk());
+  EXPECT_TRUE(s.ok());
 }
 
 }  // namespace testing
diff --git a/test/cpp/end2end/generic_end2end_test.cc b/test/cpp/end2end/generic_end2end_test.cc
index 80e43fd8544688ec1e74f1e3b78c18c3bea09dda..7132b6b1f180f88b01c127d8a91c6078c0683a4b 100644
--- a/test/cpp/end2end/generic_end2end_test.cc
+++ b/test/cpp/end2end/generic_end2end_test.cc
@@ -190,7 +190,7 @@ class GenericEnd2endTest : public ::testing::Test {
       client_ok(9);
 
       EXPECT_EQ(send_response.message(), recv_response.message());
-      EXPECT_TRUE(recv_status.IsOk());
+      EXPECT_TRUE(recv_status.ok());
     }
   }
 
@@ -273,7 +273,7 @@ TEST_F(GenericEnd2endTest, SimpleBidiStreaming) {
   client_ok(10);
 
   EXPECT_EQ(send_response.message(), recv_response.message());
-  EXPECT_TRUE(recv_status.IsOk());
+  EXPECT_TRUE(recv_status.ok());
 }
 
 }  // namespace
diff --git a/test/cpp/end2end/mock_test.cc b/test/cpp/end2end/mock_test.cc
index 0226da672c9fe7c7105706229a42fa29c985b20d..2809ab8d3cfb21909e9bfe95b30b60efa49577d0 100644
--- a/test/cpp/end2end/mock_test.cc
+++ b/test/cpp/end2end/mock_test.cc
@@ -168,7 +168,7 @@ class FakeClient {
     request.set_message("hello world");
     Status s = stub_->Echo(&context, request, &response);
     EXPECT_EQ(request.message(), response.message());
-    EXPECT_TRUE(s.IsOk());
+    EXPECT_TRUE(s.ok());
   }
 
   void DoBidiStream() {
@@ -199,7 +199,7 @@ class FakeClient {
     EXPECT_FALSE(stream->Read(&response));
 
     Status s = stream->Finish();
-    EXPECT_TRUE(s.IsOk());
+    EXPECT_TRUE(s.ok());
   }
 
   void ResetStub(TestService::StubInterface* stub) { stub_ = stub; }
diff --git a/test/cpp/end2end/thread_stress_test.cc b/test/cpp/end2end/thread_stress_test.cc
index 5ee29e40f43eb97a0e563e62e8fa57ff52f59faf..0b43dfd1062fd605e4973db10f531ecc9a006153 100644
--- a/test/cpp/end2end/thread_stress_test.cc
+++ b/test/cpp/end2end/thread_stress_test.cc
@@ -99,13 +99,13 @@ class TestServiceImpl : public ::grpc::cpp::test::util::TestService::Service {
             gpr_now(),
             gpr_time_from_micros(request->param().client_cancel_after_us())));
       }
-      return Status::Cancelled;
+      return Status::CANCELLED;
     } else if (request->has_param() &&
                request->param().server_cancel_after_us()) {
       gpr_sleep_until(gpr_time_add(
           gpr_now(),
           gpr_time_from_micros(request->param().server_cancel_after_us())));
-      return Status::Cancelled;
+      return Status::CANCELLED;
     } else {
       EXPECT_FALSE(context->IsCancelled());
     }
@@ -219,7 +219,7 @@ static void SendRpc(grpc::cpp::test::util::TestService::Stub* stub,
     ClientContext context;
     Status s = stub->Echo(&context, request, &response);
     EXPECT_EQ(response.message(), request.message());
-    EXPECT_TRUE(s.IsOk());
+    EXPECT_TRUE(s.ok());
   }
 }
 
diff --git a/test/cpp/interop/interop_client.cc b/test/cpp/interop/interop_client.cc
index e3510592468c1c3183b34f0a88bf424c33f02004..f08f90b13993098d15735682d198f6577bbd3960 100644
--- a/test/cpp/interop/interop_client.cc
+++ b/test/cpp/interop/interop_client.cc
@@ -65,11 +65,11 @@ InteropClient::InteropClient(std::shared_ptr<ChannelInterface> channel)
     : channel_(channel) {}
 
 void InteropClient::AssertOkOrPrintErrorStatus(const Status& s) {
-  if (s.IsOk()) {
+  if (s.ok()) {
     return;
   }
-  gpr_log(GPR_INFO, "Error status code: %d, message: %s", s.code(),
-          s.details().c_str());
+  gpr_log(GPR_INFO, "Error status code: %d, message: %s", s.error_code(),
+          s.error_message().c_str());
   GPR_ASSERT(0);
 }
 
@@ -321,7 +321,7 @@ void InteropClient::DoCancelAfterBegin() {
   gpr_log(GPR_INFO, "Trying to cancel...");
   context.TryCancel();
   Status s = stream->Finish();
-  GPR_ASSERT(s.code() == StatusCode::CANCELLED);
+  GPR_ASSERT(s.error_code() == StatusCode::CANCELLED);
   gpr_log(GPR_INFO, "Canceling streaming done.");
 }
 
diff --git a/test/cpp/qps/client_sync.cc b/test/cpp/qps/client_sync.cc
index d1682caf066742a0077f90d606ed4792b9dd44ce..718698bfe1dec0fba0cc482970a9409f215f04f1 100644
--- a/test/cpp/qps/client_sync.cc
+++ b/test/cpp/qps/client_sync.cc
@@ -103,7 +103,7 @@ class SynchronousUnaryClient GRPC_FINAL : public SynchronousClient {
     grpc::Status s =
         stub->UnaryCall(&context, request_, &responses_[thread_idx]);
     histogram->Add((Timer::Now() - start) * 1e9);
-    return s.IsOk();
+    return s.ok();
   }
 };
 
@@ -124,7 +124,7 @@ class SynchronousStreamingClient GRPC_FINAL : public SynchronousClient {
     for (auto stream = stream_.begin(); stream != stream_.end(); stream++) {
       if (*stream) {
         (*stream)->WritesDone();
-        EXPECT_TRUE((*stream)->Finish().IsOk());
+        EXPECT_TRUE((*stream)->Finish().ok());
       }
     }
   }
diff --git a/test/cpp/qps/driver.cc b/test/cpp/qps/driver.cc
index bf12730f97f00cf6f5128713d46d12c9438c58e8..c8cc11e6ab3483a4fccf3e579168439c7f64b330 100644
--- a/test/cpp/qps/driver.cc
+++ b/test/cpp/qps/driver.cc
@@ -241,11 +241,11 @@ std::unique_ptr<ScenarioResult> RunScenario(
 
   for (auto client = clients.begin(); client != clients.end(); client++) {
     GPR_ASSERT(client->stream->WritesDone());
-    GPR_ASSERT(client->stream->Finish().IsOk());
+    GPR_ASSERT(client->stream->Finish().ok());
   }
   for (auto server = servers.begin(); server != servers.end(); server++) {
     GPR_ASSERT(server->stream->WritesDone());
-    GPR_ASSERT(server->stream->Finish().IsOk());
+    GPR_ASSERT(server->stream->Finish().ok());
   }
   return result;
 }
diff --git a/test/cpp/qps/qps_worker.cc b/test/cpp/qps/qps_worker.cc
index 40cc4cb89bacd1711d9eeee7428e8aa14449fc9d..423275ee859dcdcc1bda495746d72d5a0b3c0e3e 100644
--- a/test/cpp/qps/qps_worker.cc
+++ b/test/cpp/qps/qps_worker.cc
@@ -100,7 +100,7 @@ class WorkerImpl GRPC_FINAL : public Worker::Service {
       GRPC_OVERRIDE {
     InstanceGuard g(this);
     if (!g.Acquired()) {
-      return Status(RESOURCE_EXHAUSTED);
+      return Status(StatusCode::RESOURCE_EXHAUSTED, "");
     }
 
     grpc_profiler_start("qps_client.prof");
@@ -114,7 +114,7 @@ class WorkerImpl GRPC_FINAL : public Worker::Service {
       GRPC_OVERRIDE {
     InstanceGuard g(this);
     if (!g.Acquired()) {
-      return Status(RESOURCE_EXHAUSTED);
+      return Status(StatusCode::RESOURCE_EXHAUSTED, "");
     }
 
     grpc_profiler_start("qps_server.prof");
@@ -159,22 +159,22 @@ class WorkerImpl GRPC_FINAL : public Worker::Service {
                      ServerReaderWriter<ClientStatus, ClientArgs>* stream) {
     ClientArgs args;
     if (!stream->Read(&args)) {
-      return Status(INVALID_ARGUMENT);
+      return Status(StatusCode::INVALID_ARGUMENT, "");
     }
     if (!args.has_setup()) {
-      return Status(INVALID_ARGUMENT);
+      return Status(StatusCode::INVALID_ARGUMENT, "");
     }
     auto client = CreateClient(args.setup());
     if (!client) {
-      return Status(INVALID_ARGUMENT);
+      return Status(StatusCode::INVALID_ARGUMENT, "");
     }
     ClientStatus status;
     if (!stream->Write(status)) {
-      return Status(UNKNOWN);
+      return Status(StatusCode::UNKNOWN, "");
     }
     while (stream->Read(&args)) {
       if (!args.has_mark()) {
-        return Status(INVALID_ARGUMENT);
+        return Status(StatusCode::INVALID_ARGUMENT, "");
       }
       *status.mutable_stats() = client->Mark();
       stream->Write(status);
@@ -187,23 +187,23 @@ class WorkerImpl GRPC_FINAL : public Worker::Service {
                        ServerReaderWriter<ServerStatus, ServerArgs>* stream) {
     ServerArgs args;
     if (!stream->Read(&args)) {
-      return Status(INVALID_ARGUMENT);
+      return Status(StatusCode::INVALID_ARGUMENT, "");
     }
     if (!args.has_setup()) {
-      return Status(INVALID_ARGUMENT);
+      return Status(StatusCode::INVALID_ARGUMENT, "");
     }
     auto server = CreateServer(args.setup(), server_port_);
     if (!server) {
-      return Status(INVALID_ARGUMENT);
+      return Status(StatusCode::INVALID_ARGUMENT, "");
     }
     ServerStatus status;
     status.set_port(server_port_);
     if (!stream->Write(status)) {
-      return Status(UNKNOWN);
+      return Status(StatusCode::UNKNOWN, "");
     }
     while (stream->Read(&args)) {
       if (!args.has_mark()) {
-        return Status(INVALID_ARGUMENT);
+        return Status(StatusCode::INVALID_ARGUMENT, "");
       }
       *status.mutable_stats() = server->Mark();
       stream->Write(status);
diff --git a/test/cpp/util/cli_call.cc b/test/cpp/util/cli_call.cc
index eb67b8d314bc2e21e11268a1d699402102b2ae10..fa952e8349dff4ae9c95f3cb9612b19344bc4d30 100644
--- a/test/cpp/util/cli_call.cc
+++ b/test/cpp/util/cli_call.cc
@@ -86,7 +86,7 @@ void CliCall::Call(std::shared_ptr<grpc::ChannelInterface> channel,
   cq.Next(&got_tag, &ok);
   GPR_ASSERT(ok);
 
-  if (status.IsOk()) {
+  if (status.ok()) {
     std::cout << "RPC finished with OK status." << std::endl;
     std::vector<grpc::Slice> slices;
     recv_buffer.Dump(&slices);
@@ -97,8 +97,8 @@ void CliCall::Call(std::shared_ptr<grpc::ChannelInterface> channel,
                        slices[i].size());
     }
   } else {
-    std::cout << "RPC finished with status code " << status.code()
-              << " details: " << status.details() << std::endl;
+    std::cout << "RPC finished with status code " << status.error_code()
+              << " details: " << status.error_message() << std::endl;
   }
 }
 
diff --git a/test/cpp/util/cli_call_test.cc b/test/cpp/util/cli_call_test.cc
index 457a5e77de8d1b6d5f6263a5bb8b27f96936e433..12539c7479cb622cc922a7f6f53bf8cc18cc59e0 100644
--- a/test/cpp/util/cli_call_test.cc
+++ b/test/cpp/util/cli_call_test.cc
@@ -108,7 +108,7 @@ TEST_F(CliCallTest, SimpleRpc) {
   ClientContext context;
   Status s = stub_->Echo(&context, request, &response);
   EXPECT_EQ(response.message(), request.message());
-  EXPECT_TRUE(s.IsOk());
+  EXPECT_TRUE(s.ok());
 
   const grpc::string kMethod("/grpc.cpp.test.util.TestService/Echo");
   grpc::string request_bin, response_bin, expected_response_bin;
diff --git a/tools/jenkins/grpc_jenkins_slave/Dockerfile b/tools/jenkins/grpc_jenkins_slave/Dockerfile
index c3722457dbebded9b0f653db833961d1e90c0fc7..c48bc0220f1ed71f0a49bc4724e48bc862248f60 100644
--- a/tools/jenkins/grpc_jenkins_slave/Dockerfile
+++ b/tools/jenkins/grpc_jenkins_slave/Dockerfile
@@ -115,5 +115,19 @@ RUN apt-get update && apt-get install -y \
 # Install Python packages from PyPI
 RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.0.0a2
 
+##################
+# PHP dependencies
+
+# Install dependencies
+
+RUN /bin/bash -l -c "echo 'deb http://packages.dotdeb.org wheezy-php55 all' \
+    >> /etc/apt/sources.list.d/dotdeb.list"
+RUN /bin/bash -l -c "echo 'deb-src http://packages.dotdeb.org wheezy-php55 all' \
+    >> /etc/apt/sources.list.d/dotdeb.list"
+RUN wget http://www.dotdeb.org/dotdeb.gpg -O- | apt-key add -
+
+RUN apt-get update && apt-get install -y \
+    git php5 php5-dev phpunit unzip
+
 # Define the default command.
 CMD ["bash"]
diff --git a/tools/jenkins/run_jenkins.sh b/tools/jenkins/run_jenkins.sh
index 57cec774248fd16b98bfdf09cf64b165d5bb5e93..5e8ddb92fcf80ecf9f69d7e90c595aae764b6480 100755
--- a/tools/jenkins/run_jenkins.sh
+++ b/tools/jenkins/run_jenkins.sh
@@ -68,6 +68,7 @@ then
   else
     echo "Docker exited with failure, keeping container $DOCKER_CID."
     echo "You can SSH to the worker and use 'docker start CID' and 'docker exec -i -t CID bash' to debug the problem."
+    exit 1
   fi
 
 elif [ "$platform" == "windows" ]
diff --git a/tools/run_tests/build_python.sh b/tools/run_tests/build_python.sh
index 53db6af0ea16942b15daabce3ca3a421beca3a45..d9b7644f449826d966be54a9ad456f3b50013658 100755
--- a/tools/run_tests/build_python.sh
+++ b/tools/run_tests/build_python.sh
@@ -38,5 +38,5 @@ rm -rf python2.7_virtual_environment
 virtualenv -p /usr/bin/python2.7 python2.7_virtual_environment
 source python2.7_virtual_environment/bin/activate
 pip install -r src/python/requirements.txt
-CFLAGS="-I$root/include -std=c89" LDFLAGS=-L$root/libs/$CONFIG pip install src/python/src
+CFLAGS="-I$root/include -std=c89 -Werror" LDFLAGS=-L$root/libs/$CONFIG pip install src/python/src
 pip install src/python/interop
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index ea40d7e990cc37a1203babc70afadd18683b720c..2c9ffe72ec7912f92808242d0287acfe290b38a7 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -123,7 +123,7 @@ class CLanguage(object):
       if travis and target['flaky']:
         continue
       if self.platform == 'windows':
-        binary = 'vsprojects\\test_bin\\%s.exe' % (target['name'])
+        binary = 'vsprojects/test_bin/%s.exe' % (target['name'])
       else:
         binary = 'bins/%s/%s' % (config.build_config, target['name'])
       out.append(config.job_spec([binary], [binary]))
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index f5c2e87a9ca2afaa569257159e269b12b7684e53..77b334577f03ed0a98b80b61e81198945bc9d1df 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -353,7 +353,6 @@
     "language": "c", 
     "name": "httpcli_test", 
     "platforms": [
-      "windows", 
       "posix"
     ]
   }, 
@@ -920,6 +919,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fake_security_request_with_flags_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -1181,6 +1189,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_request_with_flags_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -1419,6 +1436,14 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_request_with_flags_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -1651,6 +1676,14 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_with_poll_request_with_flags_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -1906,6 +1939,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_simple_ssl_fullstack_request_with_flags_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -2144,6 +2186,14 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_simple_ssl_fullstack_with_poll_request_with_flags_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -2399,6 +2449,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -2660,6 +2719,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_socket_pair_request_with_flags_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -2921,6 +2989,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -3182,6 +3259,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_socket_pair_with_grpc_trace_request_with_flags_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -3434,6 +3520,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_request_with_flags_unsecure_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -3664,6 +3759,14 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_request_with_flags_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -3888,6 +3991,14 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_with_poll_request_with_flags_unsecure_test", 
+    "platforms": [
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -4134,6 +4245,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_socket_pair_request_with_flags_unsecure_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -4386,6 +4506,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -4638,6 +4767,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
diff --git a/vsprojects/Grpc.mak b/vsprojects/Grpc.mak
index b4524cd1f824bb03c4e438db6ee42bf398e78ce5..f7c498876262dfae8593e7fc7deec8350cda08e0 100644
--- a/vsprojects/Grpc.mak
+++ b/vsprojects/Grpc.mak
@@ -54,10 +54,10 @@ all: buildtests
 $(OUT_DIR):
 	mkdir $(OUT_DIR)
 
-build_libs: build_gpr build_gpr_test_util build_grpc build_grpc_test_util build_grpc_test_util_unsecure build_grpc_unsecure Debug\end2end_fixture_chttp2_fake_security.lib Debug\end2end_fixture_chttp2_fullstack.lib Debug\end2end_fixture_chttp2_fullstack_with_poll.lib Debug\end2end_fixture_chttp2_simple_ssl_fullstack.lib Debug\end2end_fixture_chttp2_simple_ssl_fullstack_with_poll.lib Debug\end2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.lib Debug\end2end_fixture_chttp2_socket_pair.lib Debug\end2end_fixture_chttp2_socket_pair_one_byte_at_a_time.lib Debug\end2end_fixture_chttp2_socket_pair_with_grpc_trace.lib Debug\end2end_test_bad_hostname.lib Debug\end2end_test_cancel_after_accept.lib Debug\end2end_test_cancel_after_accept_and_writes_closed.lib Debug\end2end_test_cancel_after_invoke.lib Debug\end2end_test_cancel_before_invoke.lib Debug\end2end_test_cancel_in_a_vacuum.lib Debug\end2end_test_census_simple_request.lib Debug\end2end_test_disappearing_server.lib Debug\end2end_test_early_server_shutdown_finishes_inflight_calls.lib Debug\end2end_test_early_server_shutdown_finishes_tags.lib Debug\end2end_test_empty_batch.lib Debug\end2end_test_graceful_server_shutdown.lib Debug\end2end_test_invoke_large_request.lib Debug\end2end_test_max_concurrent_streams.lib Debug\end2end_test_max_message_length.lib Debug\end2end_test_no_op.lib Debug\end2end_test_ping_pong_streaming.lib Debug\end2end_test_registered_call.lib Debug\end2end_test_request_response_with_binary_metadata_and_payload.lib Debug\end2end_test_request_response_with_metadata_and_payload.lib Debug\end2end_test_request_response_with_payload.lib Debug\end2end_test_request_response_with_payload_and_call_creds.lib Debug\end2end_test_request_response_with_trailing_metadata_and_payload.lib Debug\end2end_test_request_with_large_metadata.lib Debug\end2end_test_request_with_payload.lib Debug\end2end_test_server_finishes_request.lib Debug\end2end_test_simple_delayed_request.lib Debug\end2end_test_simple_request.lib Debug\end2end_test_simple_request_with_high_initial_sequence_number.lib Debug\end2end_certs.lib Debug\bad_client_test.lib 
+build_libs: build_gpr build_gpr_test_util build_grpc build_grpc_test_util build_grpc_test_util_unsecure build_grpc_unsecure Debug\end2end_fixture_chttp2_fake_security.lib Debug\end2end_fixture_chttp2_fullstack.lib Debug\end2end_fixture_chttp2_simple_ssl_fullstack.lib Debug\end2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.lib Debug\end2end_fixture_chttp2_socket_pair.lib Debug\end2end_fixture_chttp2_socket_pair_one_byte_at_a_time.lib Debug\end2end_fixture_chttp2_socket_pair_with_grpc_trace.lib Debug\end2end_test_bad_hostname.lib Debug\end2end_test_cancel_after_accept.lib Debug\end2end_test_cancel_after_accept_and_writes_closed.lib Debug\end2end_test_cancel_after_invoke.lib Debug\end2end_test_cancel_before_invoke.lib Debug\end2end_test_cancel_in_a_vacuum.lib Debug\end2end_test_census_simple_request.lib Debug\end2end_test_disappearing_server.lib Debug\end2end_test_early_server_shutdown_finishes_inflight_calls.lib Debug\end2end_test_early_server_shutdown_finishes_tags.lib Debug\end2end_test_empty_batch.lib Debug\end2end_test_graceful_server_shutdown.lib Debug\end2end_test_invoke_large_request.lib Debug\end2end_test_max_concurrent_streams.lib Debug\end2end_test_max_message_length.lib Debug\end2end_test_no_op.lib Debug\end2end_test_ping_pong_streaming.lib Debug\end2end_test_registered_call.lib Debug\end2end_test_request_response_with_binary_metadata_and_payload.lib Debug\end2end_test_request_response_with_metadata_and_payload.lib Debug\end2end_test_request_response_with_payload.lib Debug\end2end_test_request_response_with_payload_and_call_creds.lib Debug\end2end_test_request_response_with_trailing_metadata_and_payload.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_test_request_with_large_metadata.lib Debug\end2end_test_request_with_payload.lib Debug\end2end_test_server_finishes_request.lib Debug\end2end_test_simple_delayed_request.lib Debug\end2end_test_simple_request.lib Debug\end2end_test_simple_request_with_high_initial_sequence_number.lib Debug\end2end_certs.lib Debug\bad_client_test.lib 
 buildtests: buildtests_c buildtests_cxx
 
-buildtests_c: alarm_heap_test.exe alarm_list_test.exe alarm_test.exe alpn_test.exe bin_encoder_test.exe chttp2_status_conversion_test.exe chttp2_stream_encoder_test.exe chttp2_stream_map_test.exe fling_client.exe fling_server.exe gpr_cancellable_test.exe gpr_cmdline_test.exe gpr_env_test.exe gpr_file_test.exe gpr_histogram_test.exe gpr_host_port_test.exe gpr_log_test.exe gpr_slice_buffer_test.exe gpr_slice_test.exe gpr_string_test.exe gpr_sync_test.exe gpr_thd_test.exe gpr_time_test.exe gpr_tls_test.exe gpr_useful_test.exe grpc_auth_context_test.exe grpc_base64_test.exe grpc_byte_buffer_reader_test.exe grpc_channel_stack_test.exe grpc_completion_queue_test.exe grpc_credentials_test.exe grpc_json_token_test.exe grpc_stream_op_test.exe hpack_parser_test.exe hpack_table_test.exe httpcli_format_request_test.exe httpcli_parser_test.exe httpcli_test.exe json_rewrite.exe json_rewrite_test.exe json_test.exe lame_client_test.exe message_compress_test.exe multi_init_test.exe murmur_hash_test.exe no_server_test.exe resolve_address_test.exe secure_endpoint_test.exe sockaddr_utils_test.exe time_averaged_stats_test.exe time_test.exe timeout_encoding_test.exe timers_test.exe transport_metadata_test.exe transport_security_test.exe chttp2_fake_security_bad_hostname_test.exe chttp2_fake_security_cancel_after_accept_test.exe chttp2_fake_security_cancel_after_accept_and_writes_closed_test.exe chttp2_fake_security_cancel_after_invoke_test.exe chttp2_fake_security_cancel_before_invoke_test.exe chttp2_fake_security_cancel_in_a_vacuum_test.exe chttp2_fake_security_census_simple_request_test.exe chttp2_fake_security_disappearing_server_test.exe chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_fake_security_early_server_shutdown_finishes_tags_test.exe chttp2_fake_security_empty_batch_test.exe chttp2_fake_security_graceful_server_shutdown_test.exe chttp2_fake_security_invoke_large_request_test.exe chttp2_fake_security_max_concurrent_streams_test.exe chttp2_fake_security_max_message_length_test.exe chttp2_fake_security_no_op_test.exe chttp2_fake_security_ping_pong_streaming_test.exe chttp2_fake_security_registered_call_test.exe chttp2_fake_security_request_response_with_binary_metadata_and_payload_test.exe chttp2_fake_security_request_response_with_metadata_and_payload_test.exe chttp2_fake_security_request_response_with_payload_test.exe chttp2_fake_security_request_response_with_payload_and_call_creds_test.exe chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test.exe chttp2_fake_security_request_with_large_metadata_test.exe chttp2_fake_security_request_with_payload_test.exe chttp2_fake_security_server_finishes_request_test.exe chttp2_fake_security_simple_delayed_request_test.exe chttp2_fake_security_simple_request_test.exe chttp2_fake_security_simple_request_with_high_initial_sequence_number_test.exe chttp2_fullstack_bad_hostname_test.exe chttp2_fullstack_cancel_after_accept_test.exe chttp2_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_fullstack_cancel_after_invoke_test.exe chttp2_fullstack_cancel_before_invoke_test.exe chttp2_fullstack_cancel_in_a_vacuum_test.exe chttp2_fullstack_census_simple_request_test.exe chttp2_fullstack_disappearing_server_test.exe chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_fullstack_empty_batch_test.exe chttp2_fullstack_graceful_server_shutdown_test.exe chttp2_fullstack_invoke_large_request_test.exe chttp2_fullstack_max_concurrent_streams_test.exe chttp2_fullstack_max_message_length_test.exe chttp2_fullstack_no_op_test.exe chttp2_fullstack_ping_pong_streaming_test.exe chttp2_fullstack_registered_call_test.exe chttp2_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_fullstack_request_response_with_payload_test.exe chttp2_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_fullstack_request_with_large_metadata_test.exe chttp2_fullstack_request_with_payload_test.exe chttp2_fullstack_server_finishes_request_test.exe chttp2_fullstack_simple_delayed_request_test.exe chttp2_fullstack_simple_request_test.exe chttp2_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_simple_ssl_fullstack_bad_hostname_test.exe chttp2_simple_ssl_fullstack_cancel_after_accept_test.exe chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_simple_ssl_fullstack_cancel_after_invoke_test.exe chttp2_simple_ssl_fullstack_cancel_before_invoke_test.exe chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test.exe chttp2_simple_ssl_fullstack_census_simple_request_test.exe chttp2_simple_ssl_fullstack_disappearing_server_test.exe chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_simple_ssl_fullstack_empty_batch_test.exe chttp2_simple_ssl_fullstack_graceful_server_shutdown_test.exe chttp2_simple_ssl_fullstack_invoke_large_request_test.exe chttp2_simple_ssl_fullstack_max_concurrent_streams_test.exe chttp2_simple_ssl_fullstack_max_message_length_test.exe chttp2_simple_ssl_fullstack_no_op_test.exe chttp2_simple_ssl_fullstack_ping_pong_streaming_test.exe chttp2_simple_ssl_fullstack_registered_call_test.exe chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_with_large_metadata_test.exe chttp2_simple_ssl_fullstack_request_with_payload_test.exe chttp2_simple_ssl_fullstack_server_finishes_request_test.exe chttp2_simple_ssl_fullstack_simple_delayed_request_test.exe chttp2_simple_ssl_fullstack_simple_request_test.exe chttp2_simple_ssl_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_simple_ssl_with_oauth2_fullstack_bad_hostname_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_invoke_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_before_invoke_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_in_a_vacuum_test.exe chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test.exe chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test.exe chttp2_simple_ssl_with_oauth2_fullstack_graceful_server_shutdown_test.exe chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test.exe chttp2_simple_ssl_with_oauth2_fullstack_max_message_length_test.exe chttp2_simple_ssl_with_oauth2_fullstack_no_op_test.exe chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_test.exe chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_server_finishes_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_bad_hostname_test.exe chttp2_socket_pair_cancel_after_accept_test.exe chttp2_socket_pair_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_cancel_after_invoke_test.exe chttp2_socket_pair_cancel_before_invoke_test.exe chttp2_socket_pair_cancel_in_a_vacuum_test.exe chttp2_socket_pair_census_simple_request_test.exe chttp2_socket_pair_disappearing_server_test.exe chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_empty_batch_test.exe chttp2_socket_pair_graceful_server_shutdown_test.exe chttp2_socket_pair_invoke_large_request_test.exe chttp2_socket_pair_max_concurrent_streams_test.exe chttp2_socket_pair_max_message_length_test.exe chttp2_socket_pair_no_op_test.exe chttp2_socket_pair_ping_pong_streaming_test.exe chttp2_socket_pair_registered_call_test.exe chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_request_response_with_payload_test.exe chttp2_socket_pair_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_request_with_large_metadata_test.exe chttp2_socket_pair_request_with_payload_test.exe chttp2_socket_pair_server_finishes_request_test.exe chttp2_socket_pair_simple_delayed_request_test.exe chttp2_socket_pair_simple_request_test.exe chttp2_socket_pair_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_one_byte_at_a_time_bad_hostname_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test.exe chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test.exe chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_one_byte_at_a_time_empty_batch_test.exe chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test.exe chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test.exe chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test.exe chttp2_socket_pair_one_byte_at_a_time_max_message_length_test.exe chttp2_socket_pair_one_byte_at_a_time_no_op_test.exe chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test.exe chttp2_socket_pair_one_byte_at_a_time_registered_call_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_with_grpc_trace_bad_hostname_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_test.exe chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_test.exe chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_test.exe chttp2_socket_pair_with_grpc_trace_census_simple_request_test.exe chttp2_socket_pair_with_grpc_trace_disappearing_server_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_with_grpc_trace_empty_batch_test.exe chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_test.exe chttp2_socket_pair_with_grpc_trace_invoke_large_request_test.exe chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_test.exe chttp2_socket_pair_with_grpc_trace_max_message_length_test.exe chttp2_socket_pair_with_grpc_trace_no_op_test.exe chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_test.exe chttp2_socket_pair_with_grpc_trace_registered_call_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test.exe chttp2_socket_pair_with_grpc_trace_request_with_payload_test.exe chttp2_socket_pair_with_grpc_trace_server_finishes_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_delayed_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_test.exe chttp2_fullstack_bad_hostname_unsecure_test.exe chttp2_fullstack_cancel_after_accept_unsecure_test.exe chttp2_fullstack_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_fullstack_cancel_after_invoke_unsecure_test.exe chttp2_fullstack_cancel_before_invoke_unsecure_test.exe chttp2_fullstack_cancel_in_a_vacuum_unsecure_test.exe chttp2_fullstack_census_simple_request_unsecure_test.exe chttp2_fullstack_disappearing_server_unsecure_test.exe chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_fullstack_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_fullstack_empty_batch_unsecure_test.exe chttp2_fullstack_graceful_server_shutdown_unsecure_test.exe chttp2_fullstack_invoke_large_request_unsecure_test.exe chttp2_fullstack_max_concurrent_streams_unsecure_test.exe chttp2_fullstack_max_message_length_unsecure_test.exe chttp2_fullstack_no_op_unsecure_test.exe chttp2_fullstack_ping_pong_streaming_unsecure_test.exe chttp2_fullstack_registered_call_unsecure_test.exe chttp2_fullstack_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_response_with_payload_unsecure_test.exe chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_with_large_metadata_unsecure_test.exe chttp2_fullstack_request_with_payload_unsecure_test.exe chttp2_fullstack_server_finishes_request_unsecure_test.exe chttp2_fullstack_simple_delayed_request_unsecure_test.exe chttp2_fullstack_simple_request_unsecure_test.exe chttp2_fullstack_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_bad_hostname_unsecure_test.exe chttp2_socket_pair_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_census_simple_request_unsecure_test.exe chttp2_socket_pair_disappearing_server_unsecure_test.exe chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_empty_batch_unsecure_test.exe chttp2_socket_pair_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_invoke_large_request_unsecure_test.exe chttp2_socket_pair_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_max_message_length_unsecure_test.exe chttp2_socket_pair_no_op_unsecure_test.exe chttp2_socket_pair_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_registered_call_unsecure_test.exe chttp2_socket_pair_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_request_with_payload_unsecure_test.exe chttp2_socket_pair_server_finishes_request_unsecure_test.exe chttp2_socket_pair_simple_delayed_request_unsecure_test.exe chttp2_socket_pair_simple_request_unsecure_test.exe chttp2_socket_pair_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_bad_hostname_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_census_simple_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_disappearing_server_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_empty_batch_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_max_message_length_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_no_op_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_registered_call_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_bad_hostname_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_census_simple_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_disappearing_server_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_empty_batch_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_invoke_large_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_max_message_length_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_no_op_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_registered_call_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_server_finishes_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_delayed_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_unsecure_test.exe connection_prefix_bad_client_test.exe initial_settings_frame_bad_client_test.exe 
+buildtests_c: alarm_heap_test.exe alarm_list_test.exe alarm_test.exe alpn_test.exe bin_encoder_test.exe chttp2_status_conversion_test.exe chttp2_stream_encoder_test.exe chttp2_stream_map_test.exe fling_client.exe fling_server.exe gpr_cancellable_test.exe gpr_cmdline_test.exe gpr_env_test.exe gpr_file_test.exe gpr_histogram_test.exe gpr_host_port_test.exe gpr_log_test.exe gpr_slice_buffer_test.exe gpr_slice_test.exe gpr_string_test.exe gpr_sync_test.exe gpr_thd_test.exe gpr_time_test.exe gpr_tls_test.exe gpr_useful_test.exe grpc_auth_context_test.exe grpc_base64_test.exe grpc_byte_buffer_reader_test.exe grpc_channel_stack_test.exe grpc_completion_queue_test.exe grpc_credentials_test.exe grpc_json_token_test.exe grpc_stream_op_test.exe hpack_parser_test.exe hpack_table_test.exe httpcli_format_request_test.exe httpcli_parser_test.exe json_rewrite.exe json_rewrite_test.exe json_test.exe lame_client_test.exe message_compress_test.exe multi_init_test.exe murmur_hash_test.exe no_server_test.exe resolve_address_test.exe secure_endpoint_test.exe sockaddr_utils_test.exe time_averaged_stats_test.exe time_test.exe timeout_encoding_test.exe timers_test.exe transport_metadata_test.exe transport_security_test.exe chttp2_fake_security_bad_hostname_test.exe chttp2_fake_security_cancel_after_accept_test.exe chttp2_fake_security_cancel_after_accept_and_writes_closed_test.exe chttp2_fake_security_cancel_after_invoke_test.exe chttp2_fake_security_cancel_before_invoke_test.exe chttp2_fake_security_cancel_in_a_vacuum_test.exe chttp2_fake_security_census_simple_request_test.exe chttp2_fake_security_disappearing_server_test.exe chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_fake_security_early_server_shutdown_finishes_tags_test.exe chttp2_fake_security_empty_batch_test.exe chttp2_fake_security_graceful_server_shutdown_test.exe chttp2_fake_security_invoke_large_request_test.exe chttp2_fake_security_max_concurrent_streams_test.exe chttp2_fake_security_max_message_length_test.exe chttp2_fake_security_no_op_test.exe chttp2_fake_security_ping_pong_streaming_test.exe chttp2_fake_security_registered_call_test.exe chttp2_fake_security_request_response_with_binary_metadata_and_payload_test.exe chttp2_fake_security_request_response_with_metadata_and_payload_test.exe chttp2_fake_security_request_response_with_payload_test.exe chttp2_fake_security_request_response_with_payload_and_call_creds_test.exe chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test.exe chttp2_fake_security_request_with_flags_test.exe chttp2_fake_security_request_with_large_metadata_test.exe chttp2_fake_security_request_with_payload_test.exe chttp2_fake_security_server_finishes_request_test.exe chttp2_fake_security_simple_delayed_request_test.exe chttp2_fake_security_simple_request_test.exe chttp2_fake_security_simple_request_with_high_initial_sequence_number_test.exe chttp2_fullstack_bad_hostname_test.exe chttp2_fullstack_cancel_after_accept_test.exe chttp2_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_fullstack_cancel_after_invoke_test.exe chttp2_fullstack_cancel_before_invoke_test.exe chttp2_fullstack_cancel_in_a_vacuum_test.exe chttp2_fullstack_census_simple_request_test.exe chttp2_fullstack_disappearing_server_test.exe chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_fullstack_empty_batch_test.exe chttp2_fullstack_graceful_server_shutdown_test.exe chttp2_fullstack_invoke_large_request_test.exe chttp2_fullstack_max_concurrent_streams_test.exe chttp2_fullstack_max_message_length_test.exe chttp2_fullstack_no_op_test.exe chttp2_fullstack_ping_pong_streaming_test.exe chttp2_fullstack_registered_call_test.exe chttp2_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_fullstack_request_response_with_payload_test.exe chttp2_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_fullstack_request_with_flags_test.exe chttp2_fullstack_request_with_large_metadata_test.exe chttp2_fullstack_request_with_payload_test.exe chttp2_fullstack_server_finishes_request_test.exe chttp2_fullstack_simple_delayed_request_test.exe chttp2_fullstack_simple_request_test.exe chttp2_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_simple_ssl_fullstack_bad_hostname_test.exe chttp2_simple_ssl_fullstack_cancel_after_accept_test.exe chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_simple_ssl_fullstack_cancel_after_invoke_test.exe chttp2_simple_ssl_fullstack_cancel_before_invoke_test.exe chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test.exe chttp2_simple_ssl_fullstack_census_simple_request_test.exe chttp2_simple_ssl_fullstack_disappearing_server_test.exe chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_simple_ssl_fullstack_empty_batch_test.exe chttp2_simple_ssl_fullstack_graceful_server_shutdown_test.exe chttp2_simple_ssl_fullstack_invoke_large_request_test.exe chttp2_simple_ssl_fullstack_max_concurrent_streams_test.exe chttp2_simple_ssl_fullstack_max_message_length_test.exe chttp2_simple_ssl_fullstack_no_op_test.exe chttp2_simple_ssl_fullstack_ping_pong_streaming_test.exe chttp2_simple_ssl_fullstack_registered_call_test.exe chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_with_flags_test.exe chttp2_simple_ssl_fullstack_request_with_large_metadata_test.exe chttp2_simple_ssl_fullstack_request_with_payload_test.exe chttp2_simple_ssl_fullstack_server_finishes_request_test.exe chttp2_simple_ssl_fullstack_simple_delayed_request_test.exe chttp2_simple_ssl_fullstack_simple_request_test.exe chttp2_simple_ssl_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_simple_ssl_with_oauth2_fullstack_bad_hostname_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_invoke_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_before_invoke_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_in_a_vacuum_test.exe chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test.exe chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test.exe chttp2_simple_ssl_with_oauth2_fullstack_graceful_server_shutdown_test.exe chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test.exe chttp2_simple_ssl_with_oauth2_fullstack_max_message_length_test.exe chttp2_simple_ssl_with_oauth2_fullstack_no_op_test.exe chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_test.exe chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_server_finishes_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_bad_hostname_test.exe chttp2_socket_pair_cancel_after_accept_test.exe chttp2_socket_pair_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_cancel_after_invoke_test.exe chttp2_socket_pair_cancel_before_invoke_test.exe chttp2_socket_pair_cancel_in_a_vacuum_test.exe chttp2_socket_pair_census_simple_request_test.exe chttp2_socket_pair_disappearing_server_test.exe chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_empty_batch_test.exe chttp2_socket_pair_graceful_server_shutdown_test.exe chttp2_socket_pair_invoke_large_request_test.exe chttp2_socket_pair_max_concurrent_streams_test.exe chttp2_socket_pair_max_message_length_test.exe chttp2_socket_pair_no_op_test.exe chttp2_socket_pair_ping_pong_streaming_test.exe chttp2_socket_pair_registered_call_test.exe chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_request_response_with_payload_test.exe chttp2_socket_pair_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_request_with_flags_test.exe chttp2_socket_pair_request_with_large_metadata_test.exe chttp2_socket_pair_request_with_payload_test.exe chttp2_socket_pair_server_finishes_request_test.exe chttp2_socket_pair_simple_delayed_request_test.exe chttp2_socket_pair_simple_request_test.exe chttp2_socket_pair_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_one_byte_at_a_time_bad_hostname_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test.exe chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test.exe chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_one_byte_at_a_time_empty_batch_test.exe chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test.exe chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test.exe chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test.exe chttp2_socket_pair_one_byte_at_a_time_max_message_length_test.exe chttp2_socket_pair_one_byte_at_a_time_no_op_test.exe chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test.exe chttp2_socket_pair_one_byte_at_a_time_registered_call_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_with_grpc_trace_bad_hostname_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_test.exe chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_test.exe chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_test.exe chttp2_socket_pair_with_grpc_trace_census_simple_request_test.exe chttp2_socket_pair_with_grpc_trace_disappearing_server_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_with_grpc_trace_empty_batch_test.exe chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_test.exe chttp2_socket_pair_with_grpc_trace_invoke_large_request_test.exe chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_test.exe chttp2_socket_pair_with_grpc_trace_max_message_length_test.exe chttp2_socket_pair_with_grpc_trace_no_op_test.exe chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_test.exe chttp2_socket_pair_with_grpc_trace_registered_call_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_with_flags_test.exe chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test.exe chttp2_socket_pair_with_grpc_trace_request_with_payload_test.exe chttp2_socket_pair_with_grpc_trace_server_finishes_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_delayed_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_test.exe chttp2_fullstack_bad_hostname_unsecure_test.exe chttp2_fullstack_cancel_after_accept_unsecure_test.exe chttp2_fullstack_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_fullstack_cancel_after_invoke_unsecure_test.exe chttp2_fullstack_cancel_before_invoke_unsecure_test.exe chttp2_fullstack_cancel_in_a_vacuum_unsecure_test.exe chttp2_fullstack_census_simple_request_unsecure_test.exe chttp2_fullstack_disappearing_server_unsecure_test.exe chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_fullstack_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_fullstack_empty_batch_unsecure_test.exe chttp2_fullstack_graceful_server_shutdown_unsecure_test.exe chttp2_fullstack_invoke_large_request_unsecure_test.exe chttp2_fullstack_max_concurrent_streams_unsecure_test.exe chttp2_fullstack_max_message_length_unsecure_test.exe chttp2_fullstack_no_op_unsecure_test.exe chttp2_fullstack_ping_pong_streaming_unsecure_test.exe chttp2_fullstack_registered_call_unsecure_test.exe chttp2_fullstack_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_response_with_payload_unsecure_test.exe chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_with_flags_unsecure_test.exe chttp2_fullstack_request_with_large_metadata_unsecure_test.exe chttp2_fullstack_request_with_payload_unsecure_test.exe chttp2_fullstack_server_finishes_request_unsecure_test.exe chttp2_fullstack_simple_delayed_request_unsecure_test.exe chttp2_fullstack_simple_request_unsecure_test.exe chttp2_fullstack_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_bad_hostname_unsecure_test.exe chttp2_socket_pair_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_census_simple_request_unsecure_test.exe chttp2_socket_pair_disappearing_server_unsecure_test.exe chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_empty_batch_unsecure_test.exe chttp2_socket_pair_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_invoke_large_request_unsecure_test.exe chttp2_socket_pair_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_max_message_length_unsecure_test.exe chttp2_socket_pair_no_op_unsecure_test.exe chttp2_socket_pair_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_registered_call_unsecure_test.exe chttp2_socket_pair_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_with_flags_unsecure_test.exe chttp2_socket_pair_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_request_with_payload_unsecure_test.exe chttp2_socket_pair_server_finishes_request_unsecure_test.exe chttp2_socket_pair_simple_delayed_request_unsecure_test.exe chttp2_socket_pair_simple_request_unsecure_test.exe chttp2_socket_pair_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_bad_hostname_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_census_simple_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_disappearing_server_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_empty_batch_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_max_message_length_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_no_op_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_registered_call_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_bad_hostname_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_census_simple_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_disappearing_server_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_empty_batch_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_invoke_large_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_max_message_length_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_no_op_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_registered_call_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_server_finishes_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_delayed_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_unsecure_test.exe connection_prefix_bad_client_test.exe initial_settings_frame_bad_client_test.exe 
 	echo All tests built.
 
 buildtests_cxx: interop_client.exe interop_server.exe 
@@ -350,13 +350,6 @@ httpcli_parser_test.exe: build_libs $(OUT_DIR)
 httpcli_parser_test: httpcli_parser_test.exe
 	echo Running httpcli_parser_test
 	$(OUT_DIR)\httpcli_parser_test.exe
-httpcli_test.exe: build_libs $(OUT_DIR)
-	echo Building httpcli_test
-	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\core\httpcli\httpcli_test.c 
-	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\httpcli_test.exe" Debug\grpc_test_util.lib Debug\grpc.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\httpcli_test.obj 
-httpcli_test: httpcli_test.exe
-	echo Running httpcli_test
-	$(OUT_DIR)\httpcli_test.exe
 json_rewrite.exe: build_libs $(OUT_DIR)
 	echo Building json_rewrite
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\core\json\json_rewrite.c 
@@ -658,6 +651,13 @@ chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test.ex
 chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test: chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test.exe
 	echo Running chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test
 	$(OUT_DIR)\chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test.exe
+chttp2_fake_security_request_with_flags_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_fake_security_request_with_flags_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_fake_security_request_with_flags_test.exe" Debug\end2end_fixture_chttp2_fake_security.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_certs.lib Debug\grpc_test_util.lib Debug\grpc.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_fake_security_request_with_flags_test: chttp2_fake_security_request_with_flags_test.exe
+	echo Running chttp2_fake_security_request_with_flags_test
+	$(OUT_DIR)\chttp2_fake_security_request_with_flags_test.exe
 chttp2_fake_security_request_with_large_metadata_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_fake_security_request_with_large_metadata_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -861,6 +861,13 @@ chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe: b
 chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test: chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe
 	echo Running chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test
 	$(OUT_DIR)\chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe
+chttp2_fullstack_request_with_flags_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_fullstack_request_with_flags_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_fullstack_request_with_flags_test.exe" Debug\end2end_fixture_chttp2_fullstack.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_certs.lib Debug\grpc_test_util.lib Debug\grpc.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_fullstack_request_with_flags_test: chttp2_fullstack_request_with_flags_test.exe
+	echo Running chttp2_fullstack_request_with_flags_test
+	$(OUT_DIR)\chttp2_fullstack_request_with_flags_test.exe
 chttp2_fullstack_request_with_large_metadata_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_fullstack_request_with_large_metadata_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -1064,6 +1071,13 @@ chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_
 chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test: chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test.exe
 	echo Running chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test
 	$(OUT_DIR)\chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test.exe
+chttp2_simple_ssl_fullstack_request_with_flags_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_simple_ssl_fullstack_request_with_flags_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_simple_ssl_fullstack_request_with_flags_test.exe" Debug\end2end_fixture_chttp2_simple_ssl_fullstack.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_certs.lib Debug\grpc_test_util.lib Debug\grpc.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_simple_ssl_fullstack_request_with_flags_test: chttp2_simple_ssl_fullstack_request_with_flags_test.exe
+	echo Running chttp2_simple_ssl_fullstack_request_with_flags_test
+	$(OUT_DIR)\chttp2_simple_ssl_fullstack_request_with_flags_test.exe
 chttp2_simple_ssl_fullstack_request_with_large_metadata_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_simple_ssl_fullstack_request_with_large_metadata_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -1267,6 +1281,13 @@ chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_
 chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test: chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe
 	echo Running chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test
 	$(OUT_DIR)\chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe
+chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test.exe" Debug\end2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_certs.lib Debug\grpc_test_util.lib Debug\grpc.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test: chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test.exe
+	echo Running chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test
+	$(OUT_DIR)\chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test.exe
 chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -1470,6 +1491,13 @@ chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test.exe:
 chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test: chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test.exe
 	echo Running chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test
 	$(OUT_DIR)\chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test.exe
+chttp2_socket_pair_request_with_flags_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_socket_pair_request_with_flags_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_socket_pair_request_with_flags_test.exe" Debug\end2end_fixture_chttp2_socket_pair.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_certs.lib Debug\grpc_test_util.lib Debug\grpc.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_socket_pair_request_with_flags_test: chttp2_socket_pair_request_with_flags_test.exe
+	echo Running chttp2_socket_pair_request_with_flags_test
+	$(OUT_DIR)\chttp2_socket_pair_request_with_flags_test.exe
 chttp2_socket_pair_request_with_large_metadata_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_socket_pair_request_with_large_metadata_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -1673,6 +1701,13 @@ chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_an
 chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test: chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test.exe
 	echo Running chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test
 	$(OUT_DIR)\chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test.exe
+chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test.exe" Debug\end2end_fixture_chttp2_socket_pair_one_byte_at_a_time.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_certs.lib Debug\grpc_test_util.lib Debug\grpc.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test: chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test.exe
+	echo Running chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test
+	$(OUT_DIR)\chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test.exe
 chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -1876,6 +1911,13 @@ chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_p
 chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test: chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test.exe
 	echo Running chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test
 	$(OUT_DIR)\chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test.exe
+chttp2_socket_pair_with_grpc_trace_request_with_flags_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_socket_pair_with_grpc_trace_request_with_flags_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_socket_pair_with_grpc_trace_request_with_flags_test.exe" Debug\end2end_fixture_chttp2_socket_pair_with_grpc_trace.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_certs.lib Debug\grpc_test_util.lib Debug\grpc.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_socket_pair_with_grpc_trace_request_with_flags_test: chttp2_socket_pair_with_grpc_trace_request_with_flags_test.exe
+	echo Running chttp2_socket_pair_with_grpc_trace_request_with_flags_test
+	$(OUT_DIR)\chttp2_socket_pair_with_grpc_trace_request_with_flags_test.exe
 chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -2072,6 +2114,13 @@ chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_te
 chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test: chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test.exe
 	echo Running chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test
 	$(OUT_DIR)\chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test.exe
+chttp2_fullstack_request_with_flags_unsecure_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_fullstack_request_with_flags_unsecure_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_fullstack_request_with_flags_unsecure_test.exe" Debug\end2end_fixture_chttp2_fullstack.lib Debug\end2end_test_request_with_flags.lib Debug\grpc_test_util_unsecure.lib Debug\grpc_unsecure.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_fullstack_request_with_flags_unsecure_test: chttp2_fullstack_request_with_flags_unsecure_test.exe
+	echo Running chttp2_fullstack_request_with_flags_unsecure_test
+	$(OUT_DIR)\chttp2_fullstack_request_with_flags_unsecure_test.exe
 chttp2_fullstack_request_with_large_metadata_unsecure_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_fullstack_request_with_large_metadata_unsecure_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -2268,6 +2317,13 @@ chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_
 chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test: chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test.exe
 	echo Running chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test
 	$(OUT_DIR)\chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test.exe
+chttp2_socket_pair_request_with_flags_unsecure_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_socket_pair_request_with_flags_unsecure_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_socket_pair_request_with_flags_unsecure_test.exe" Debug\end2end_fixture_chttp2_socket_pair.lib Debug\end2end_test_request_with_flags.lib Debug\grpc_test_util_unsecure.lib Debug\grpc_unsecure.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_socket_pair_request_with_flags_unsecure_test: chttp2_socket_pair_request_with_flags_unsecure_test.exe
+	echo Running chttp2_socket_pair_request_with_flags_unsecure_test
+	$(OUT_DIR)\chttp2_socket_pair_request_with_flags_unsecure_test.exe
 chttp2_socket_pair_request_with_large_metadata_unsecure_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_socket_pair_request_with_large_metadata_unsecure_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -2464,6 +2520,13 @@ chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_an
 chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test: chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test.exe
 	echo Running chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test
 	$(OUT_DIR)\chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test.exe
+chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test.exe" Debug\end2end_fixture_chttp2_socket_pair_one_byte_at_a_time.lib Debug\end2end_test_request_with_flags.lib Debug\grpc_test_util_unsecure.lib Debug\grpc_unsecure.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test: chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test.exe
+	echo Running chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test
+	$(OUT_DIR)\chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test.exe
 chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -2660,6 +2723,13 @@ chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_p
 chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test: chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test.exe
 	echo Running chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test
 	$(OUT_DIR)\chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test.exe
+chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test.exe: build_libs $(OUT_DIR)
+	echo Building chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test.exe" Debug\end2end_fixture_chttp2_socket_pair_with_grpc_trace.lib Debug\end2end_test_request_with_flags.lib Debug\grpc_test_util_unsecure.lib Debug\grpc_unsecure.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\dummy.obj 
+chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test: chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test.exe
+	echo Running chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test
+	$(OUT_DIR)\chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test.exe
 chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test.exe: build_libs $(OUT_DIR)
 	echo Building chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -2736,18 +2806,10 @@ Debug\end2end_fixture_chttp2_fullstack.lib: $(OUT_DIR)
 	echo Building end2end_fixture_chttp2_fullstack
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\core\end2end\fixtures\chttp2_fullstack.c 
 	$(LIBTOOL) /OUT:"Debug\end2end_fixture_chttp2_fullstack.lib" $(OUT_DIR)\chttp2_fullstack.obj 
-Debug\end2end_fixture_chttp2_fullstack_with_poll.lib: $(OUT_DIR)
-	echo Building end2end_fixture_chttp2_fullstack_with_poll
-	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\core\end2end\fixtures\chttp2_fullstack_with_poll.c 
-	$(LIBTOOL) /OUT:"Debug\end2end_fixture_chttp2_fullstack_with_poll.lib" $(OUT_DIR)\chttp2_fullstack_with_poll.obj 
 Debug\end2end_fixture_chttp2_simple_ssl_fullstack.lib: $(OUT_DIR)
 	echo Building end2end_fixture_chttp2_simple_ssl_fullstack
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\core\end2end\fixtures\chttp2_simple_ssl_fullstack.c 
 	$(LIBTOOL) /OUT:"Debug\end2end_fixture_chttp2_simple_ssl_fullstack.lib" $(OUT_DIR)\chttp2_simple_ssl_fullstack.obj 
-Debug\end2end_fixture_chttp2_simple_ssl_fullstack_with_poll.lib: $(OUT_DIR)
-	echo Building end2end_fixture_chttp2_simple_ssl_fullstack_with_poll
-	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\core\end2end\fixtures\chttp2_simple_ssl_fullstack_with_poll.c 
-	$(LIBTOOL) /OUT:"Debug\end2end_fixture_chttp2_simple_ssl_fullstack_with_poll.lib" $(OUT_DIR)\chttp2_simple_ssl_fullstack_with_poll.obj 
 Debug\end2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.lib: $(OUT_DIR)
 	echo Building end2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\core\end2end\fixtures\chttp2_simple_ssl_with_oauth2_fullstack.c 
@@ -2856,6 +2918,10 @@ Debug\end2end_test_request_response_with_trailing_metadata_and_payload.lib: $(OU
 	echo Building end2end_test_request_response_with_trailing_metadata_and_payload
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\core\end2end\tests\request_response_with_trailing_metadata_and_payload.c 
 	$(LIBTOOL) /OUT:"Debug\end2end_test_request_response_with_trailing_metadata_and_payload.lib" $(OUT_DIR)\request_response_with_trailing_metadata_and_payload.obj 
+Debug\end2end_test_request_with_flags.lib: $(OUT_DIR)
+	echo Building end2end_test_request_with_flags
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\core\end2end\tests\request_with_flags.c 
+	$(LIBTOOL) /OUT:"Debug\end2end_test_request_with_flags.lib" $(OUT_DIR)\request_with_flags.obj 
 Debug\end2end_test_request_with_large_metadata.lib: $(OUT_DIR)
 	echo Building end2end_test_request_with_large_metadata
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\core\end2end\tests\request_with_large_metadata.c