diff --git a/src/node/ext/completion_queue_threadpool.cc b/src/node/ext/completion_queue_threadpool.cc
index 1917074dc2dfe85ddd238513b6ae2199291b52ef..b5227bad650dc90438ae012dc97c46a5671de5c1 100644
--- a/src/node/ext/completion_queue_threadpool.cc
+++ b/src/node/ext/completion_queue_threadpool.cc
@@ -34,14 +34,14 @@
 /* I don't like using #ifndef, but I don't see a better way to do this */
 #ifndef GRPC_UV
 
-#include <node.h>
 #include <nan.h>
+#include <node.h>
 
+#include "call.h"
+#include "completion_queue.h"
 #include "grpc/grpc.h"
 #include "grpc/support/log.h"
 #include "grpc/support/time.h"
-#include "completion_queue.h"
-#include "call.h"
 
 namespace grpc {
 namespace node {
@@ -111,8 +111,8 @@ CompletionQueueAsyncWorker::CompletionQueueAsyncWorker()
 CompletionQueueAsyncWorker::~CompletionQueueAsyncWorker() {}
 
 void CompletionQueueAsyncWorker::Execute() {
-  result =
-      grpc_completion_queue_next(queue, gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
+  result = grpc_completion_queue_next(queue, gpr_inf_future(GPR_CLOCK_REALTIME),
+                                      NULL);
   if (!result.success) {
     SetErrorMessage("The async function encountered an error");
   }
@@ -141,7 +141,8 @@ void CompletionQueueAsyncWorker::Init(Local<Object> exports) {
   Nan::HandleScope scope;
   current_threads = 0;
   waiting_next_calls = 0;
-  queue = grpc_completion_queue_create(NULL);
+  queue =
+      grpc_completion_queue_create(GRPC_CQ_NEXT, GRPC_CQ_DEFAULT_POLLING, NULL);
 }
 
 void CompletionQueueAsyncWorker::HandleOKCallback() {
@@ -173,9 +174,7 @@ grpc_completion_queue *GetCompletionQueue() {
   return CompletionQueueAsyncWorker::GetQueue();
 }
 
-void CompletionQueueNext() {
-  CompletionQueueAsyncWorker::Next();
-}
+void CompletionQueueNext() { CompletionQueueAsyncWorker::Next(); }
 
 void CompletionQueueInit(Local<Object> exports) {
   CompletionQueueAsyncWorker::Init(exports);
@@ -184,4 +183,4 @@ void CompletionQueueInit(Local<Object> exports) {
 }  // namespace node
 }  // namespace grpc
 
-#endif  /* GRPC_UV */
+#endif /* GRPC_UV */
diff --git a/src/node/ext/completion_queue_uv.cc b/src/node/ext/completion_queue_uv.cc
index 615973a6c9b8f0e67fc02bc2a068bf74b4098906..9c1f093a40515307737f5134ccf4f0e722d7cc22 100644
--- a/src/node/ext/completion_queue_uv.cc
+++ b/src/node/ext/completion_queue_uv.cc
@@ -33,10 +33,10 @@
 
 #ifdef GRPC_UV
 
-#include <uv.h>
+#include <grpc/grpc.h>
 #include <node.h>
+#include <uv.h>
 #include <v8.h>
-#include <grpc/grpc.h>
 
 #include "call.h"
 #include "completion_queue.h"
@@ -57,18 +57,18 @@ void drain_completion_queue(uv_prepare_t *handle) {
   grpc_event event;
   (void)handle;
   do {
-    event = grpc_completion_queue_next(
-        queue, gpr_inf_past(GPR_CLOCK_MONOTONIC), NULL);
+    event = grpc_completion_queue_next(queue, gpr_inf_past(GPR_CLOCK_MONOTONIC),
+                                       NULL);
 
     if (event.type == GRPC_OP_COMPLETE) {
       Nan::Callback *callback = grpc::node::GetTagCallback(event.tag);
       if (event.success) {
         Local<Value> argv[] = {Nan::Null(),
-                             grpc::node::GetTagNodeValue(event.tag)};
+                               grpc::node::GetTagNodeValue(event.tag)};
         callback->Call(2, argv);
       } else {
-        Local<Value> argv[] = {Nan::Error(
-            "The async function encountered an error")};
+        Local<Value> argv[] = {
+            Nan::Error("The async function encountered an error")};
         callback->Call(1, argv);
       }
       grpc::node::CompleteTag(event.tag);
@@ -81,9 +81,7 @@ void drain_completion_queue(uv_prepare_t *handle) {
   } while (event.type != GRPC_QUEUE_TIMEOUT);
 }
 
-grpc_completion_queue *GetCompletionQueue() {
-  return queue;
-}
+grpc_completion_queue *GetCompletionQueue() { return queue; }
 
 void CompletionQueueNext() {
   if (pending_batches == 0) {
@@ -94,7 +92,8 @@ void CompletionQueueNext() {
 }
 
 void CompletionQueueInit(Local<Object> exports) {
-  queue = grpc_completion_queue_create(NULL);
+  queue =
+      grpc_completion_queue_create(GRPC_CQ_NEXT, GRPC_CQ_DEFAULT_POLLING, NULL);
   uv_prepare_init(uv_default_loop(), &prepare);
   pending_batches = 0;
 }
diff --git a/src/node/ext/server_generic.cc b/src/node/ext/server_generic.cc
index 0cf20f754a817693ae888bc2f99363bec04653a7..787605aebfac1a9d4295549220256839a167b4df 100644
--- a/src/node/ext/server_generic.cc
+++ b/src/node/ext/server_generic.cc
@@ -35,8 +35,8 @@
 
 #include "server.h"
 
-#include <node.h>
 #include <nan.h>
+#include <node.h>
 #include "grpc/grpc.h"
 #include "grpc/support/time.h"
 
@@ -44,7 +44,8 @@ namespace grpc {
 namespace node {
 
 Server::Server(grpc_server *server) : wrapped_server(server) {
-  shutdown_queue = grpc_completion_queue_create(NULL);
+  shutdown_queue = grpc_completion_queue_create(GRPC_CQ_PLUCK,
+                                                GRPC_CQ_DEFAULT_POLLING, NULL);
   grpc_server_register_non_listening_completion_queue(server, shutdown_queue,
                                                       NULL);
 }
diff --git a/src/objective-c/GRPCClient/private/GRPCCompletionQueue.m b/src/objective-c/GRPCClient/private/GRPCCompletionQueue.m
index 539b5ab83ce251080e114d3dbcc606cde4b4329a..8edb4ef04882a242aabfcf136b0b0f6ac95f76d8 100644
--- a/src/objective-c/GRPCClient/private/GRPCCompletionQueue.m
+++ b/src/objective-c/GRPCClient/private/GRPCCompletionQueue.m
@@ -48,7 +48,9 @@
 
 - (instancetype)init {
   if ((self = [super init])) {
-    _unmanagedQueue = grpc_completion_queue_create(NULL);
+    _unmanagedQueue = grpc_completion_queue_create(GRPC_CQ_NEXT,
+                                                   GRPC_CQ_DEFAULT_POLLING,
+                                                   NULL);
 
     // This is for the following block to capture the pointer by value (instead
     // of retaining self and doing self->_unmanagedQueue). This is essential
diff --git a/src/objective-c/tests/CoreCronetEnd2EndTests/CoreCronetEnd2EndTests.m b/src/objective-c/tests/CoreCronetEnd2EndTests/CoreCronetEnd2EndTests.m
index 1e0c8024cab3363d219bf8813077dd76119284c5..7656fb8d510d41a06e0fcb71b23ff93c0231625d 100644
--- a/src/objective-c/tests/CoreCronetEnd2EndTests/CoreCronetEnd2EndTests.m
+++ b/src/objective-c/tests/CoreCronetEnd2EndTests/CoreCronetEnd2EndTests.m
@@ -79,7 +79,8 @@ static grpc_end2end_test_fixture chttp2_create_fixture_secure_fullstack(
   gpr_join_host_port(&ffd->localaddr, "127.0.0.1", port);
 
   f.fixture_data = ffd;
-  f.cq = grpc_completion_queue_create(NULL);
+  f.cq = grpc_completion_queue_create(GRPC_CQ_NEXT, GRPC_CQ_DEFAULT_POLLING,
+                                      NULL);
 
   return f;
 }
diff --git a/src/objective-c/tests/CronetUnitTests/CronetUnitTests.m b/src/objective-c/tests/CronetUnitTests/CronetUnitTests.m
index e97f3d2d1a9edbbc99b5a4f111f7df4d1c60390e..1840894d81590470e5569c10e3805b5baeb31c97 100644
--- a/src/objective-c/tests/CronetUnitTests/CronetUnitTests.m
+++ b/src/objective-c/tests/CronetUnitTests/CronetUnitTests.m
@@ -160,7 +160,9 @@ unsigned int parse_h2_length(const char *field) {
   int port = grpc_pick_unused_port_or_die();
   char *addr;
   gpr_join_host_port(&addr, "127.0.0.1", port);
-  grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
+  grpc_completion_queue *cq =
+          grpc_completion_queue_create(GRPC_CQ_NEXT, GRPC_CQ_DEFAULT_POLLING,
+                                       NULL);
   stream_engine *cronetEngine = [Cronet getGlobalEngine];
   grpc_channel *client =
       grpc_cronet_secure_channel_create(cronetEngine, addr, NULL, NULL);
@@ -294,7 +296,9 @@ unsigned int parse_h2_length(const char *field) {
   int port = grpc_pick_unused_port_or_die();
   char *addr;
   gpr_join_host_port(&addr, "127.0.0.1", port);
-  grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
+  grpc_completion_queue *cq =
+          grpc_completion_queue_create(GRPC_CQ_NEXT, GRPC_CQ_DEFAULT_POLLING,
+                                       NULL);
   stream_engine *cronetEngine = [Cronet getGlobalEngine];
   grpc_channel *client =
       grpc_cronet_secure_channel_create(cronetEngine, addr, args, NULL);
diff --git a/src/ruby/ext/grpc/rb_channel.c b/src/ruby/ext/grpc/rb_channel.c
index 84e43d3f7bf46937ca10d8d02d5659d6962980b7..2b9f03abd4adfd744204fcafb76521131c01baa5 100644
--- a/src/ruby/ext/grpc/rb_channel.c
+++ b/src/ruby/ext/grpc/rb_channel.c
@@ -33,20 +33,20 @@
 
 #include <ruby/ruby.h>
 
-#include "rb_grpc_imports.generated.h"
-#include "rb_channel.h"
 #include "rb_byte_buffer.h"
+#include "rb_channel.h"
+#include "rb_grpc_imports.generated.h"
 
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
-#include "rb_grpc.h"
 #include "rb_call.h"
 #include "rb_channel_args.h"
 #include "rb_channel_credentials.h"
 #include "rb_completion_queue.h"
+#include "rb_grpc.h"
 #include "rb_server.h"
 
 /* id_channel is the name of the hidden ivar that preserves a reference to the
@@ -104,13 +104,15 @@ static void grpc_rb_channel_mark(void *p) {
   }
 }
 
-static rb_data_type_t grpc_channel_data_type = {
-    "grpc_channel",
-    {grpc_rb_channel_mark, grpc_rb_channel_free, GRPC_RB_MEMSIZE_UNAVAILABLE,
-     {NULL, NULL}},
-    NULL, NULL,
+static rb_data_type_t grpc_channel_data_type = {"grpc_channel",
+                                                {grpc_rb_channel_mark,
+                                                 grpc_rb_channel_free,
+                                                 GRPC_RB_MEMSIZE_UNAVAILABLE,
+                                                 {NULL, NULL}},
+                                                NULL,
+                                                NULL,
 #ifdef RUBY_TYPED_FREE_IMMEDIATELY
-    RUBY_TYPED_FREE_IMMEDIATELY
+                                                RUBY_TYPED_FREE_IMMEDIATELY
 #endif
 };
 
@@ -169,7 +171,8 @@ static VALUE grpc_rb_channel_init(int argc, VALUE *argv, VALUE self) {
   }
   rb_ivar_set(self, id_target, target);
   wrapper->wrapped = ch;
-  wrapper->queue = grpc_completion_queue_create(NULL);
+  wrapper->queue = grpc_completion_queue_create(GRPC_CQ_PLUCK,
+                                                GRPC_CQ_DEFAULT_POLLING, NULL);
   return self;
 }
 
@@ -225,14 +228,11 @@ static VALUE grpc_rb_channel_watch_connectivity_state(VALUE self,
     return Qnil;
   }
   grpc_channel_watch_connectivity_state(
-      ch,
-      (grpc_connectivity_state)NUM2LONG(last_state),
-      grpc_rb_time_timeval(deadline, /* absolute time */ 0),
-      cq,
-      tag);
+      ch, (grpc_connectivity_state)NUM2LONG(last_state),
+      grpc_rb_time_timeval(deadline, /* absolute time */ 0), cq, tag);
 
-  event = rb_completion_queue_pluck(cq, tag,
-                                    gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
+  event = rb_completion_queue_pluck(cq, tag, gpr_inf_future(GPR_CLOCK_REALTIME),
+                                    NULL);
 
   if (event.success) {
     return Qtrue;
@@ -243,9 +243,9 @@ static VALUE grpc_rb_channel_watch_connectivity_state(VALUE self,
 
 /* Create a call given a grpc_channel, in order to call method. The request
    is not sent until grpc_call_invoke is called. */
-static VALUE grpc_rb_channel_create_call(VALUE self, VALUE parent,
-                                         VALUE mask, VALUE method,
-                                         VALUE host, VALUE deadline) {
+static VALUE grpc_rb_channel_create_call(VALUE self, VALUE parent, VALUE mask,
+                                         VALUE method, VALUE host,
+                                         VALUE deadline) {
   VALUE res = Qnil;
   grpc_rb_channel *wrapper = NULL;
   grpc_call *call = NULL;
@@ -256,10 +256,11 @@ static VALUE grpc_rb_channel_create_call(VALUE self, VALUE parent,
   grpc_slice method_slice;
   grpc_slice host_slice;
   grpc_slice *host_slice_ptr = NULL;
-  char* tmp_str = NULL;
+  char *tmp_str = NULL;
 
   if (host != Qnil) {
-    host_slice = grpc_slice_from_copied_buffer(RSTRING_PTR(host), RSTRING_LEN(host));
+    host_slice =
+        grpc_slice_from_copied_buffer(RSTRING_PTR(host), RSTRING_LEN(host));
     host_slice_ptr = &host_slice;
   }
   if (mask != Qnil) {
@@ -269,7 +270,8 @@ static VALUE grpc_rb_channel_create_call(VALUE self, VALUE parent,
     parent_call = grpc_rb_get_wrapped_call(parent);
   }
 
-  cq = grpc_completion_queue_create(NULL);
+  cq = grpc_completion_queue_create(GRPC_CQ_PLUCK, GRPC_CQ_DEFAULT_POLLING,
+                                    NULL);
   TypedData_Get_Struct(self, grpc_rb_channel, &grpc_channel_data_type, wrapper);
   ch = wrapper->wrapped;
   if (ch == NULL) {
@@ -277,17 +279,18 @@ static VALUE grpc_rb_channel_create_call(VALUE self, VALUE parent,
     return Qnil;
   }
 
-  method_slice = grpc_slice_from_copied_buffer(RSTRING_PTR(method), RSTRING_LEN(method));
+  method_slice =
+      grpc_slice_from_copied_buffer(RSTRING_PTR(method), RSTRING_LEN(method));
 
   call = grpc_channel_create_call(ch, parent_call, flags, cq, method_slice,
-                                  host_slice_ptr, grpc_rb_time_timeval(
-                                      deadline,
-                                      /* absolute time */ 0), NULL);
+                                  host_slice_ptr,
+                                  grpc_rb_time_timeval(deadline,
+                                                       /* absolute time */ 0),
+                                  NULL);
 
   if (call == NULL) {
     tmp_str = grpc_slice_to_c_string(method_slice);
-    rb_raise(rb_eRuntimeError, "cannot create call with method %s",
-             tmp_str);
+    rb_raise(rb_eRuntimeError, "cannot create call with method %s", tmp_str);
     return Qnil;
   }
 
@@ -304,7 +307,6 @@ static VALUE grpc_rb_channel_create_call(VALUE self, VALUE parent,
   return res;
 }
 
-
 /* Closes the channel, calling it's destroy method */
 static VALUE grpc_rb_channel_destroy(VALUE self) {
   grpc_rb_channel *wrapper = NULL;
@@ -320,12 +322,11 @@ static VALUE grpc_rb_channel_destroy(VALUE self) {
   return Qnil;
 }
 
-
 /* Called to obtain the target that this channel accesses. */
 static VALUE grpc_rb_channel_get_target(VALUE self) {
   grpc_rb_channel *wrapper = NULL;
   VALUE res = Qnil;
-  char* target = NULL;
+  char *target = NULL;
 
   TypedData_Get_Struct(self, grpc_rb_channel, &grpc_channel_data_type, wrapper);
   target = grpc_channel_get_target(wrapper->wrapped);
@@ -337,8 +338,8 @@ static VALUE grpc_rb_channel_get_target(VALUE self) {
 
 static void Init_grpc_propagate_masks() {
   /* Constants representing call propagation masks in grpc.h */
-  VALUE grpc_rb_mPropagateMasks = rb_define_module_under(
-      grpc_rb_mGrpcCore, "PropagateMasks");
+  VALUE grpc_rb_mPropagateMasks =
+      rb_define_module_under(grpc_rb_mGrpcCore, "PropagateMasks");
   rb_define_const(grpc_rb_mPropagateMasks, "DEADLINE",
                   UINT2NUM(GRPC_PROPAGATE_DEADLINE));
   rb_define_const(grpc_rb_mPropagateMasks, "CENSUS_STATS_CONTEXT",
@@ -353,8 +354,8 @@ static void Init_grpc_propagate_masks() {
 
 static void Init_grpc_connectivity_states() {
   /* Constants representing call propagation masks in grpc.h */
-  VALUE grpc_rb_mConnectivityStates = rb_define_module_under(
-      grpc_rb_mGrpcCore, "ConnectivityStates");
+  VALUE grpc_rb_mConnectivityStates =
+      rb_define_module_under(grpc_rb_mGrpcCore, "ConnectivityStates");
   rb_define_const(grpc_rb_mConnectivityStates, "IDLE",
                   LONG2NUM(GRPC_CHANNEL_IDLE));
   rb_define_const(grpc_rb_mConnectivityStates, "CONNECTING",
@@ -382,12 +383,11 @@ void Init_grpc_channel() {
 
   /* Add ruby analogues of the Channel methods. */
   rb_define_method(grpc_rb_cChannel, "connectivity_state",
-                   grpc_rb_channel_get_connectivity_state,
-                   -1);
+                   grpc_rb_channel_get_connectivity_state, -1);
   rb_define_method(grpc_rb_cChannel, "watch_connectivity_state",
                    grpc_rb_channel_watch_connectivity_state, 4);
-  rb_define_method(grpc_rb_cChannel, "create_call",
-                   grpc_rb_channel_create_call, 5);
+  rb_define_method(grpc_rb_cChannel, "create_call", grpc_rb_channel_create_call,
+                   5);
   rb_define_method(grpc_rb_cChannel, "target", grpc_rb_channel_get_target, 0);
   rb_define_method(grpc_rb_cChannel, "destroy", grpc_rb_channel_destroy, 0);
   rb_define_alias(grpc_rb_cChannel, "close", "destroy");
diff --git a/src/ruby/ext/grpc/rb_server.c b/src/ruby/ext/grpc/rb_server.c
index 7b2f5774aa1170c234bf1fcdb55ef926ff8350bf..a0e8f15294b9f279084c2f797e2e9cbde2e91181 100644
--- a/src/ruby/ext/grpc/rb_server.c
+++ b/src/ruby/ext/grpc/rb_server.c
@@ -37,15 +37,15 @@
 #include "rb_server.h"
 
 #include <grpc/grpc.h>
-#include <grpc/support/atm.h>
 #include <grpc/grpc_security.h>
+#include <grpc/support/atm.h>
 #include <grpc/support/log.h>
+#include "rb_byte_buffer.h"
 #include "rb_call.h"
 #include "rb_channel_args.h"
 #include "rb_completion_queue.h"
-#include "rb_server_credentials.h"
-#include "rb_byte_buffer.h"
 #include "rb_grpc.h"
+#include "rb_server_credentials.h"
 
 /* grpc_rb_cServer is the ruby class that proxies grpc_server. */
 static VALUE grpc_rb_cServer = Qnil;
@@ -93,9 +93,8 @@ static void grpc_rb_server_free(void *p) {
   };
   svr = (grpc_rb_server *)p;
 
-  deadline = gpr_time_add(
-      gpr_now(GPR_CLOCK_REALTIME),
-      gpr_time_from_seconds(2, GPR_TIMESPAN));
+  deadline = gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
+                          gpr_time_from_seconds(2, GPR_TIMESPAN));
 
   destroy_server(svr, deadline);
 
@@ -104,13 +103,15 @@ static void grpc_rb_server_free(void *p) {
 
 static const rb_data_type_t grpc_rb_server_data_type = {
     "grpc_server",
-    {GRPC_RB_GC_NOT_MARKED, grpc_rb_server_free, GRPC_RB_MEMSIZE_UNAVAILABLE,
+    {GRPC_RB_GC_NOT_MARKED,
+     grpc_rb_server_free,
+     GRPC_RB_MEMSIZE_UNAVAILABLE,
      {NULL, NULL}},
     NULL,
     NULL,
 #ifdef RUBY_TYPED_FREE_IMMEDIATELY
-    /* It is unsafe to specify RUBY_TYPED_FREE_IMMEDIATELY because the free function would block
-     * and we might want to unlock GVL
+    /* It is unsafe to specify RUBY_TYPED_FREE_IMMEDIATELY because the free
+     * function would block and we might want to unlock GVL
      * TODO(yugui) Unlock GVL?
      */
     0,
@@ -131,7 +132,8 @@ static VALUE grpc_rb_server_alloc(VALUE cls) {
 
   Initializes server instances. */
 static VALUE grpc_rb_server_init(VALUE self, VALUE channel_args) {
-  grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
+  grpc_completion_queue *cq = grpc_completion_queue_create(
+      GRPC_CQ_PLUCK, GRPC_CQ_DEFAULT_POLLING, NULL);
   grpc_rb_server *wrapper = NULL;
   grpc_server *srv = NULL;
   grpc_channel_args args;
@@ -163,7 +165,7 @@ typedef struct request_call_stack {
 
 /* grpc_request_call_stack_init ensures the request_call_stack is properly
  * initialized */
-static void grpc_request_call_stack_init(request_call_stack* st) {
+static void grpc_request_call_stack_init(request_call_stack *st) {
   MEMZERO(st, request_call_stack, 1);
   grpc_metadata_array_init(&st->md_ary);
   grpc_call_details_init(&st->details);
@@ -171,7 +173,7 @@ static void grpc_request_call_stack_init(request_call_stack* st) {
 
 /* grpc_request_call_stack_cleanup ensures the request_call_stack is properly
  * cleaned up */
-static void grpc_request_call_stack_cleanup(request_call_stack* st) {
+static void grpc_request_call_stack_cleanup(request_call_stack *st) {
   grpc_metadata_array_destroy(&st->md_ary);
   grpc_call_details_destroy(&st->details);
 }
@@ -187,8 +189,9 @@ static VALUE grpc_rb_server_request_call(VALUE self) {
   grpc_call_error err;
   request_call_stack st;
   VALUE result;
-  void *tag = (void*)&st;
-  grpc_completion_queue *call_queue = grpc_completion_queue_create(NULL);
+  void *tag = (void *)&st;
+  grpc_completion_queue *call_queue = grpc_completion_queue_create(
+      GRPC_CQ_PLUCK, GRPC_CQ_DEFAULT_POLLING, NULL);
   gpr_timespec deadline;
 
   TypedData_Get_Struct(self, grpc_rb_server, &grpc_rb_server_data_type, s);
@@ -199,9 +202,8 @@ static VALUE grpc_rb_server_request_call(VALUE self) {
   grpc_request_call_stack_init(&st);
   /* call grpc_server_request_call, then wait for it to complete using
    * pluck_event */
-  err = grpc_server_request_call(
-      s->wrapped, &call, &st.details, &st.md_ary,
-      call_queue, s->queue, tag);
+  err = grpc_server_request_call(s->wrapped, &call, &st.details, &st.md_ary,
+                                 call_queue, s->queue, tag);
   if (err != GRPC_CALL_OK) {
     grpc_request_call_stack_cleanup(&st);
     rb_raise(grpc_rb_eCallError,
@@ -218,8 +220,6 @@ static VALUE grpc_rb_server_request_call(VALUE self) {
     return Qnil;
   }
 
-
-
   /* build the NewServerRpc struct result */
   deadline = gpr_convert_clock_type(st.details.deadline, GPR_CLOCK_REALTIME);
   result = rb_struct_new(
@@ -299,8 +299,7 @@ static VALUE grpc_rb_server_add_http2_port(VALUE self, VALUE port,
     return Qnil;
   } else if (TYPE(rb_creds) == T_SYMBOL) {
     if (id_insecure_server != SYM2ID(rb_creds)) {
-      rb_raise(rb_eTypeError,
-               "bad creds symbol, want :this_port_is_insecure");
+      rb_raise(rb_eTypeError, "bad creds symbol, want :this_port_is_insecure");
       return Qnil;
     }
     recvd_port =
@@ -312,9 +311,8 @@ static VALUE grpc_rb_server_add_http2_port(VALUE self, VALUE port,
     }
   } else {
     creds = grpc_rb_get_wrapped_server_credentials(rb_creds);
-    recvd_port =
-        grpc_server_add_secure_http2_port(s->wrapped, StringValueCStr(port),
-                                          creds);
+    recvd_port = grpc_server_add_secure_http2_port(
+        s->wrapped, StringValueCStr(port), creds);
     if (recvd_port == 0) {
       rb_raise(rb_eRuntimeError,
                "could not add secure port %s to server, not sure why",
@@ -333,18 +331,17 @@ void Init_grpc_server() {
 
   /* Provides a ruby constructor and support for dup/clone. */
   rb_define_method(grpc_rb_cServer, "initialize", grpc_rb_server_init, 1);
-  rb_define_method(grpc_rb_cServer, "initialize_copy",
-                   grpc_rb_cannot_init_copy, 1);
+  rb_define_method(grpc_rb_cServer, "initialize_copy", grpc_rb_cannot_init_copy,
+                   1);
 
   /* Add the server methods. */
-  rb_define_method(grpc_rb_cServer, "request_call",
-                   grpc_rb_server_request_call, 0);
+  rb_define_method(grpc_rb_cServer, "request_call", grpc_rb_server_request_call,
+                   0);
   rb_define_method(grpc_rb_cServer, "start", grpc_rb_server_start, 0);
   rb_define_method(grpc_rb_cServer, "destroy", grpc_rb_server_destroy, -1);
   rb_define_alias(grpc_rb_cServer, "close", "destroy");
   rb_define_method(grpc_rb_cServer, "add_http2_port",
-                   grpc_rb_server_add_http2_port,
-                   2);
+                   grpc_rb_server_add_http2_port, 2);
   id_at = rb_intern("at");
   id_insecure_server = rb_intern("this_port_is_insecure");
 }