Merge github.com:grpc/grpc into cq-drop

41 files changed, 151 insertions, 151 deletions

diff --git a/test/core/bad_client/bad_client.c b/test/core/bad_client/bad_client.c
index 4f8e428278..9454aba136 100644
--- a/test/core/bad_client/bad_client.c
+++ b/test/core/bad_client/bad_client.c
@@ -134,7 +134,7 @@ void grpc_run_bad_client_test(
 
   grpc_slice_buffer_init(&outgoing);
   grpc_slice_buffer_add(&outgoing, slice);
-  grpc_closure_init(&done_write_closure, done_write, &a,
+  GRPC_CLOSURE_INIT(&done_write_closure, done_write, &a,
                     grpc_schedule_on_exec_ctx);
 
   /* Write data */
@@ -164,7 +164,7 @@ void grpc_run_bad_client_test(
       grpc_slice_buffer_init(&args.incoming);
       gpr_event_init(&args.read_done);
       grpc_closure read_done_closure;
-      grpc_closure_init(&read_done_closure, read_done, &args,
+      GRPC_CLOSURE_INIT(&read_done_closure, read_done, &args,
                         grpc_schedule_on_exec_ctx);
       grpc_endpoint_read(&exec_ctx, sfd.client, &args.incoming,
                          &read_done_closure);
diff --git a/test/core/channel/minimal_stack_is_minimal_test.c b/test/core/channel/minimal_stack_is_minimal_test.c
index 7afcaa555c..c99b54c6ac 100644
--- a/test/core/channel/minimal_stack_is_minimal_test.c
+++ b/test/core/channel/minimal_stack_is_minimal_test.c
@@ -44,7 +44,7 @@
 // use CHECK_STACK instead
 static int check_stack(const char *file, int line, const char *transport_name,
                        grpc_channel_args *init_args,
-                       grpc_channel_stack_type channel_stack_type, ...);
+                       unsigned channel_stack_type, ...);
 
 // arguments: const char *transport_name   - the name of the transport type to
 //                                           simulate
@@ -111,7 +111,7 @@ int main(int argc, char **argv) {
 
 static int check_stack(const char *file, int line, const char *transport_name,
                        grpc_channel_args *init_args,
-                       grpc_channel_stack_type channel_stack_type, ...) {
+                       unsigned channel_stack_type, ...) {
   // create dummy channel stack
   grpc_channel_stack_builder *builder = grpc_channel_stack_builder_create();
   grpc_transport_vtable fake_transport_vtable = {.name = transport_name};
@@ -125,8 +125,8 @@ static int check_stack(const char *file, int line, const char *transport_name,
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
     grpc_channel_stack_builder_set_channel_arguments(&exec_ctx, builder,
                                                      channel_args);
-    GPR_ASSERT(
-        grpc_channel_init_create_stack(&exec_ctx, builder, channel_stack_type));
+    GPR_ASSERT(grpc_channel_init_create_stack(
+        &exec_ctx, builder, (grpc_channel_stack_type)channel_stack_type));
     grpc_exec_ctx_finish(&exec_ctx);
   }
 
diff --git a/test/core/client_channel/resolvers/dns_resolver_connectivity_test.c b/test/core/client_channel/resolvers/dns_resolver_connectivity_test.c
index 43dc7e9084..6e3d69c265 100644
--- a/test/core/client_channel/resolvers/dns_resolver_connectivity_test.c
+++ b/test/core/client_channel/resolvers/dns_resolver_connectivity_test.c
@@ -54,7 +54,7 @@ static void my_resolve_address(grpc_exec_ctx *exec_ctx, const char *addr,
     (*addrs)->addrs = gpr_malloc(sizeof(*(*addrs)->addrs));
     (*addrs)->addrs[0].len = 123;
   }
-  grpc_closure_sched(exec_ctx, on_done, error);
+  GRPC_CLOSURE_SCHED(exec_ctx, on_done, error);
 }
 
 static grpc_ares_request *my_dns_lookup_ares(
@@ -73,7 +73,7 @@ static grpc_ares_request *my_dns_lookup_ares(
     *lb_addrs = grpc_lb_addresses_create(1, NULL);
     grpc_lb_addresses_set_address(*lb_addrs, 0, NULL, 0, false, NULL, NULL);
   }
-  grpc_closure_sched(exec_ctx, on_done, error);
+  GRPC_CLOSURE_SCHED(exec_ctx, on_done, error);
   return NULL;
 }
 
@@ -133,7 +133,7 @@ static void call_resolver_next_after_locking(grpc_exec_ctx *exec_ctx,
   a->resolver = resolver;
   a->result = result;
   a->on_complete = on_complete;
-  grpc_closure_sched(exec_ctx, grpc_closure_create(
+  GRPC_CLOSURE_SCHED(exec_ctx, GRPC_CLOSURE_CREATE(
                                    call_resolver_next_now_lock_taken, a,
                                    grpc_combiner_scheduler(resolver->combiner)),
                      GRPC_ERROR_NONE);
@@ -155,7 +155,7 @@ int main(int argc, char **argv) {
   gpr_event_init(&ev1);
   call_resolver_next_after_locking(
       &exec_ctx, resolver, &result,
-      grpc_closure_create(on_done, &ev1, grpc_schedule_on_exec_ctx));
+      GRPC_CLOSURE_CREATE(on_done, &ev1, grpc_schedule_on_exec_ctx));
   grpc_exec_ctx_flush(&exec_ctx);
   GPR_ASSERT(wait_loop(5, &ev1));
   GPR_ASSERT(result == NULL);
@@ -164,7 +164,7 @@ int main(int argc, char **argv) {
   gpr_event_init(&ev2);
   call_resolver_next_after_locking(
       &exec_ctx, resolver, &result,
-      grpc_closure_create(on_done, &ev2, grpc_schedule_on_exec_ctx));
+      GRPC_CLOSURE_CREATE(on_done, &ev2, grpc_schedule_on_exec_ctx));
   grpc_exec_ctx_flush(&exec_ctx);
   GPR_ASSERT(wait_loop(30, &ev2));
   GPR_ASSERT(result != NULL);
diff --git a/test/core/client_channel/resolvers/fake_resolver_test.c b/test/core/client_channel/resolvers/fake_resolver_test.c
index 74aabffeca..9b0854d6d8 100644
--- a/test/core/client_channel/resolvers/fake_resolver_test.c
+++ b/test/core/client_channel/resolvers/fake_resolver_test.c
@@ -101,7 +101,7 @@ static void test_fake_resolver() {
   memset(&on_res_arg, 0, sizeof(on_res_arg));
   on_res_arg.expected_resolver_result = results;
   gpr_event_init(&on_res_arg.ev);
-  grpc_closure *on_resolution = grpc_closure_create(
+  grpc_closure *on_resolution = GRPC_CLOSURE_CREATE(
       on_resolution_cb, &on_res_arg, grpc_combiner_scheduler(combiner));
 
   // Set resolver results and trigger first resolution. on_resolution_cb
@@ -138,7 +138,7 @@ static void test_fake_resolver() {
   memset(&on_res_arg_update, 0, sizeof(on_res_arg_update));
   on_res_arg_update.expected_resolver_result = results_update;
   gpr_event_init(&on_res_arg_update.ev);
-  on_resolution = grpc_closure_create(on_resolution_cb, &on_res_arg_update,
+  on_resolution = GRPC_CLOSURE_CREATE(on_resolution_cb, &on_res_arg_update,
                                       grpc_combiner_scheduler(combiner));
 
   // Set updated resolver results and trigger a second resolution.
diff --git a/test/core/client_channel/resolvers/sockaddr_resolver_test.c b/test/core/client_channel/resolvers/sockaddr_resolver_test.c
index 11d09acaa1..8b88619164 100644
--- a/test/core/client_channel/resolvers/sockaddr_resolver_test.c
+++ b/test/core/client_channel/resolvers/sockaddr_resolver_test.c
@@ -57,7 +57,7 @@ static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   on_resolution_arg on_res_arg;
   memset(&on_res_arg, 0, sizeof(on_res_arg));
   on_res_arg.expected_server_name = uri->path;
-  grpc_closure *on_resolution = grpc_closure_create(
+  grpc_closure *on_resolution = GRPC_CLOSURE_CREATE(
       on_resolution_cb, &on_res_arg, grpc_schedule_on_exec_ctx);
 
   grpc_resolver_next_locked(&exec_ctx, resolver, &on_res_arg.resolver_result,
diff --git a/test/core/end2end/bad_server_response_test.c b/test/core/end2end/bad_server_response_test.c
index f0c384db29..5f89058c45 100644
--- a/test/core/end2end/bad_server_response_test.c
+++ b/test/core/end2end/bad_server_response_test.c
@@ -137,8 +137,8 @@ static void on_connect(grpc_exec_ctx *exec_ctx, void *arg, grpc_endpoint *tcp,
                        grpc_tcp_server_acceptor *acceptor) {
   gpr_free(acceptor);
   test_tcp_server *server = arg;
-  grpc_closure_init(&on_read, handle_read, NULL, grpc_schedule_on_exec_ctx);
-  grpc_closure_init(&on_write, done_write, NULL, grpc_schedule_on_exec_ctx);
+  GRPC_CLOSURE_INIT(&on_read, handle_read, NULL, grpc_schedule_on_exec_ctx);
+  GRPC_CLOSURE_INIT(&on_write, done_write, NULL, grpc_schedule_on_exec_ctx);
   grpc_slice_buffer_init(&state.temp_incoming_buffer);
   grpc_slice_buffer_init(&state.outgoing_buffer);
   state.tcp = tcp;
diff --git a/test/core/end2end/fixtures/http_proxy_fixture.c b/test/core/end2end/fixtures/http_proxy_fixture.c
index c0641a8cff..248f721cbb 100644
--- a/test/core/end2end/fixtures/http_proxy_fixture.c
+++ b/test/core/end2end/fixtures/http_proxy_fixture.c
@@ -387,19 +387,19 @@ static void on_accept(grpc_exec_ctx* exec_ctx, void* arg,
   conn->pollset_set = grpc_pollset_set_create();
   grpc_pollset_set_add_pollset(exec_ctx, conn->pollset_set, proxy->pollset);
   grpc_endpoint_add_to_pollset_set(exec_ctx, endpoint, conn->pollset_set);
-  grpc_closure_init(&conn->on_read_request_done, on_read_request_done, conn,
+  GRPC_CLOSURE_INIT(&conn->on_read_request_done, on_read_request_done, conn,
                     grpc_combiner_scheduler(conn->proxy->combiner));
-  grpc_closure_init(&conn->on_server_connect_done, on_server_connect_done, conn,
+  GRPC_CLOSURE_INIT(&conn->on_server_connect_done, on_server_connect_done, conn,
                     grpc_combiner_scheduler(conn->proxy->combiner));
-  grpc_closure_init(&conn->on_write_response_done, on_write_response_done, conn,
+  GRPC_CLOSURE_INIT(&conn->on_write_response_done, on_write_response_done, conn,
                     grpc_combiner_scheduler(conn->proxy->combiner));
-  grpc_closure_init(&conn->on_client_read_done, on_client_read_done, conn,
+  GRPC_CLOSURE_INIT(&conn->on_client_read_done, on_client_read_done, conn,
                     grpc_combiner_scheduler(conn->proxy->combiner));
-  grpc_closure_init(&conn->on_client_write_done, on_client_write_done, conn,
+  GRPC_CLOSURE_INIT(&conn->on_client_write_done, on_client_write_done, conn,
                     grpc_combiner_scheduler(conn->proxy->combiner));
-  grpc_closure_init(&conn->on_server_read_done, on_server_read_done, conn,
+  GRPC_CLOSURE_INIT(&conn->on_server_read_done, on_server_read_done, conn,
                     grpc_combiner_scheduler(conn->proxy->combiner));
-  grpc_closure_init(&conn->on_server_write_done, on_server_write_done, conn,
+  GRPC_CLOSURE_INIT(&conn->on_server_write_done, on_server_write_done, conn,
                     grpc_combiner_scheduler(conn->proxy->combiner));
   grpc_slice_buffer_init(&conn->client_read_buffer);
   grpc_slice_buffer_init(&conn->client_deferred_write_buffer);
@@ -491,7 +491,7 @@ void grpc_end2end_http_proxy_destroy(grpc_end2end_http_proxy* proxy) {
   gpr_free(proxy->proxy_name);
   grpc_channel_args_destroy(&exec_ctx, proxy->channel_args);
   grpc_pollset_shutdown(&exec_ctx, proxy->pollset,
-                        grpc_closure_create(destroy_pollset, proxy->pollset,
+                        GRPC_CLOSURE_CREATE(destroy_pollset, proxy->pollset,
                                             grpc_schedule_on_exec_ctx));
   grpc_combiner_unref(&exec_ctx, proxy->combiner);
   gpr_free(proxy);
diff --git a/test/core/end2end/fuzzers/api_fuzzer.c b/test/core/end2end/fuzzers/api_fuzzer.c
index 1e9e7e6194..281a1af20c 100644
--- a/test/core/end2end/fuzzers/api_fuzzer.c
+++ b/test/core/end2end/fuzzers/api_fuzzer.c
@@ -384,9 +384,9 @@ static void finish_resolve(grpc_exec_ctx *exec_ctx, void *arg,
       grpc_lb_addresses_set_address(lb_addrs, 0, NULL, 0, NULL, NULL, NULL);
       *r->lb_addrs = lb_addrs;
     }
-    grpc_closure_sched(exec_ctx, r->on_done, GRPC_ERROR_NONE);
+    GRPC_CLOSURE_SCHED(exec_ctx, r->on_done, GRPC_ERROR_NONE);
   } else {
-    grpc_closure_sched(exec_ctx, r->on_done,
+    GRPC_CLOSURE_SCHED(exec_ctx, r->on_done,
                        GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING(
                            "Resolution failed", &error, 1));
   }
@@ -408,7 +408,7 @@ void my_resolve_address(grpc_exec_ctx *exec_ctx, const char *addr,
   grpc_timer_init(
       exec_ctx, &r->timer, gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC),
                                         gpr_time_from_seconds(1, GPR_TIMESPAN)),
-      grpc_closure_create(finish_resolve, r, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(finish_resolve, r, grpc_schedule_on_exec_ctx),
       gpr_now(GPR_CLOCK_MONOTONIC));
 }
 
@@ -424,7 +424,7 @@ grpc_ares_request *my_dns_lookup_ares(
   grpc_timer_init(
       exec_ctx, &r->timer, gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC),
                                         gpr_time_from_seconds(1, GPR_TIMESPAN)),
-      grpc_closure_create(finish_resolve, r, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(finish_resolve, r, grpc_schedule_on_exec_ctx),
       gpr_now(GPR_CLOCK_MONOTONIC));
   return NULL;
 }
@@ -452,7 +452,7 @@ static void do_connect(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
   future_connect *fc = arg;
   if (error != GRPC_ERROR_NONE) {
     *fc->ep = NULL;
-    grpc_closure_sched(exec_ctx, fc->closure, GRPC_ERROR_REF(error));
+    GRPC_CLOSURE_SCHED(exec_ctx, fc->closure, GRPC_ERROR_REF(error));
   } else if (g_server != NULL) {
     grpc_endpoint *client;
     grpc_endpoint *server;
@@ -464,7 +464,7 @@ static void do_connect(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
     grpc_server_setup_transport(exec_ctx, g_server, transport, NULL, NULL);
     grpc_chttp2_transport_start_reading(exec_ctx, transport, NULL);
 
-    grpc_closure_sched(exec_ctx, fc->closure, GRPC_ERROR_NONE);
+    GRPC_CLOSURE_SCHED(exec_ctx, fc->closure, GRPC_ERROR_NONE);
   } else {
     sched_connect(exec_ctx, fc->closure, fc->ep, fc->deadline);
   }
@@ -475,7 +475,7 @@ static void sched_connect(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
                           grpc_endpoint **ep, gpr_timespec deadline) {
   if (gpr_time_cmp(deadline, gpr_now(deadline.clock_type)) < 0) {
     *ep = NULL;
-    grpc_closure_sched(exec_ctx, closure, GRPC_ERROR_CREATE_FROM_STATIC_STRING(
+    GRPC_CLOSURE_SCHED(exec_ctx, closure, GRPC_ERROR_CREATE_FROM_STATIC_STRING(
                                               "Connect deadline exceeded"));
     return;
   }
@@ -487,7 +487,7 @@ static void sched_connect(grpc_exec_ctx *exec_ctx, grpc_closure *closure,
   grpc_timer_init(
       exec_ctx, &fc->timer, gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC),
                                          gpr_time_from_millis(1, GPR_TIMESPAN)),
-      grpc_closure_create(do_connect, fc, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(do_connect, fc, grpc_schedule_on_exec_ctx),
       gpr_now(GPR_CLOCK_MONOTONIC));
 }
 
diff --git a/test/core/end2end/goaway_server_test.c b/test/core/end2end/goaway_server_test.c
index 91a377e6b9..bf90e2525d 100644
--- a/test/core/end2end/goaway_server_test.c
+++ b/test/core/end2end/goaway_server_test.c
@@ -84,7 +84,7 @@ static void my_resolve_address(grpc_exec_ctx *exec_ctx, const char *addr,
     (*addrs)->addrs[0].len = sizeof(*sa);
     gpr_mu_unlock(&g_mu);
   }
-  grpc_closure_sched(exec_ctx, on_done, error);
+  GRPC_CLOSURE_SCHED(exec_ctx, on_done, error);
 }
 
 static grpc_ares_request *my_dns_lookup_ares(
@@ -113,7 +113,7 @@ static grpc_ares_request *my_dns_lookup_ares(
     gpr_free(sa);
     gpr_mu_unlock(&g_mu);
   }
-  grpc_closure_sched(exec_ctx, on_done, error);
+  GRPC_CLOSURE_SCHED(exec_ctx, on_done, error);
   return NULL;
 }
 
diff --git a/test/core/end2end/invalid_call_argument_test.c b/test/core/end2end/invalid_call_argument_test.c
index 0418764739..bf0d08adec 100644
--- a/test/core/end2end/invalid_call_argument_test.c
+++ b/test/core/end2end/invalid_call_argument_test.c
@@ -59,7 +59,7 @@ static void prepare_test(int is_client) {
   g_state.is_client = is_client;
   grpc_metadata_array_init(&g_state.initial_metadata_recv);
   grpc_metadata_array_init(&g_state.trailing_metadata_recv);
-  g_state.deadline = grpc_timeout_seconds_to_deadline(2);
+  g_state.deadline = grpc_timeout_seconds_to_deadline(5);
   g_state.cq = grpc_completion_queue_create_for_next(NULL);
   g_state.cqv = cq_verifier_create(g_state.cq);
   g_state.details = grpc_empty_slice();
diff --git a/test/core/end2end/tests/filter_causes_close.c b/test/core/end2end/tests/filter_causes_close.c
index 949de09ded..aff39dd89d 100644
--- a/test/core/end2end/tests/filter_causes_close.c
+++ b/test/core/end2end/tests/filter_causes_close.c
@@ -197,7 +197,7 @@ static void recv_im_ready(grpc_exec_ctx *exec_ctx, void *arg,
                           grpc_error *error) {
   grpc_call_element *elem = arg;
   call_data *calld = elem->call_data;
-  grpc_closure_sched(
+  GRPC_CLOSURE_SCHED(
       exec_ctx, calld->recv_im_ready,
       grpc_error_set_int(GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING(
                              "Failure that's not preventable.", &error, 1),
@@ -213,7 +213,7 @@ static void start_transport_stream_op_batch(
     calld->recv_im_ready =
         op->payload->recv_initial_metadata.recv_initial_metadata_ready;
     op->payload->recv_initial_metadata.recv_initial_metadata_ready =
-        grpc_closure_create(recv_im_ready, elem, grpc_schedule_on_exec_ctx);
+        GRPC_CLOSURE_CREATE(recv_im_ready, elem, grpc_schedule_on_exec_ctx);
   }
   grpc_call_next_op(exec_ctx, elem, op);
 }
diff --git a/test/core/http/httpcli_test.c b/test/core/http/httpcli_test.c
index 14bdc6da1c..b8b96d673c 100644
--- a/test/core/http/httpcli_test.c
+++ b/test/core/http/httpcli_test.c
@@ -77,7 +77,7 @@ static void test_get(int port) {
   grpc_resource_quota *resource_quota = grpc_resource_quota_create("test_get");
   grpc_httpcli_get(
       &exec_ctx, &g_context, &g_pops, resource_quota, &req, n_seconds_time(15),
-      grpc_closure_create(on_finish, &response, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(on_finish, &response, grpc_schedule_on_exec_ctx),
       &response);
   grpc_resource_quota_unref_internal(&exec_ctx, resource_quota);
   gpr_mu_lock(g_mu);
@@ -119,7 +119,7 @@ static void test_post(int port) {
   grpc_httpcli_post(
       &exec_ctx, &g_context, &g_pops, resource_quota, &req, "hello", 5,
       n_seconds_time(15),
-      grpc_closure_create(on_finish, &response, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(on_finish, &response, grpc_schedule_on_exec_ctx),
       &response);
   grpc_resource_quota_unref_internal(&exec_ctx, resource_quota);
   gpr_mu_lock(g_mu);
@@ -195,7 +195,7 @@ int main(int argc, char **argv) {
   test_post(port);
 
   grpc_httpcli_context_destroy(&exec_ctx, &g_context);
-  grpc_closure_init(&destroyed, destroy_pops, &g_pops,
+  GRPC_CLOSURE_INIT(&destroyed, destroy_pops, &g_pops,
                     grpc_schedule_on_exec_ctx);
   grpc_pollset_shutdown(&exec_ctx, grpc_polling_entity_pollset(&g_pops),
                         &destroyed);
diff --git a/test/core/http/httpscli_test.c b/test/core/http/httpscli_test.c
index 2e4e654e2c..a9d7abdcff 100644
--- a/test/core/http/httpscli_test.c
+++ b/test/core/http/httpscli_test.c
@@ -78,7 +78,7 @@ static void test_get(int port) {
   grpc_resource_quota *resource_quota = grpc_resource_quota_create("test_get");
   grpc_httpcli_get(
       &exec_ctx, &g_context, &g_pops, resource_quota, &req, n_seconds_time(15),
-      grpc_closure_create(on_finish, &response, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(on_finish, &response, grpc_schedule_on_exec_ctx),
       &response);
   grpc_resource_quota_unref_internal(&exec_ctx, resource_quota);
   gpr_mu_lock(g_mu);
@@ -121,7 +121,7 @@ static void test_post(int port) {
   grpc_httpcli_post(
       &exec_ctx, &g_context, &g_pops, resource_quota, &req, "hello", 5,
       n_seconds_time(15),
-      grpc_closure_create(on_finish, &response, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(on_finish, &response, grpc_schedule_on_exec_ctx),
       &response);
   grpc_resource_quota_unref_internal(&exec_ctx, resource_quota);
   gpr_mu_lock(g_mu);
@@ -198,7 +198,7 @@ int main(int argc, char **argv) {
   test_post(port);
 
   grpc_httpcli_context_destroy(&exec_ctx, &g_context);
-  grpc_closure_init(&destroyed, destroy_pops, &g_pops,
+  GRPC_CLOSURE_INIT(&destroyed, destroy_pops, &g_pops,
                     grpc_schedule_on_exec_ctx);
   grpc_pollset_shutdown(&exec_ctx, grpc_polling_entity_pollset(&g_pops),
                         &destroyed);
diff --git a/test/core/iomgr/combiner_test.c b/test/core/iomgr/combiner_test.c
index 82e692902e..38f512de0e 100644
--- a/test/core/iomgr/combiner_test.c
+++ b/test/core/iomgr/combiner_test.c
@@ -45,8 +45,8 @@ static void test_execute_one(void) {
   gpr_event done;
   gpr_event_init(&done);
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_closure_sched(&exec_ctx,
-                     grpc_closure_create(set_event_to_true, &done,
+  GRPC_CLOSURE_SCHED(&exec_ctx,
+                     GRPC_CLOSURE_CREATE(set_event_to_true, &done,
                                          grpc_combiner_scheduler(lock)),
                      GRPC_ERROR_NONE);
   grpc_exec_ctx_flush(&exec_ctx);
@@ -83,8 +83,8 @@ static void execute_many_loop(void *a) {
       ex_args *c = gpr_malloc(sizeof(*c));
       c->ctr = &args->ctr;
       c->value = n++;
-      grpc_closure_sched(&exec_ctx,
-                         grpc_closure_create(
+      GRPC_CLOSURE_SCHED(&exec_ctx,
+                         GRPC_CLOSURE_CREATE(
                              check_one, c, grpc_combiner_scheduler(args->lock)),
                          GRPC_ERROR_NONE);
       grpc_exec_ctx_flush(&exec_ctx);
@@ -93,8 +93,8 @@ static void execute_many_loop(void *a) {
     // picking it up
     gpr_sleep_until(grpc_timeout_milliseconds_to_deadline(100));
   }
-  grpc_closure_sched(&exec_ctx,
-                     grpc_closure_create(set_event_to_true, &args->done,
+  GRPC_CLOSURE_SCHED(&exec_ctx,
+                     GRPC_CLOSURE_CREATE(set_event_to_true, &args->done,
                                          grpc_combiner_scheduler(args->lock)),
                      GRPC_ERROR_NONE);
   grpc_exec_ctx_finish(&exec_ctx);
@@ -131,8 +131,8 @@ static void in_finally(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
 }
 
 static void add_finally(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
-  grpc_closure_sched(exec_ctx,
-                     grpc_closure_create(in_finally, arg,
+  GRPC_CLOSURE_SCHED(exec_ctx,
+                     GRPC_CLOSURE_CREATE(in_finally, arg,
                                          grpc_combiner_finally_scheduler(arg)),
                      GRPC_ERROR_NONE);
 }
@@ -143,9 +143,9 @@ static void test_execute_finally(void) {
   grpc_combiner *lock = grpc_combiner_create();
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   gpr_event_init(&got_in_finally);
-  grpc_closure_sched(
+  GRPC_CLOSURE_SCHED(
       &exec_ctx,
-      grpc_closure_create(add_finally, lock, grpc_combiner_scheduler(lock)),
+      GRPC_CLOSURE_CREATE(add_finally, lock, grpc_combiner_scheduler(lock)),
       GRPC_ERROR_NONE);
   grpc_exec_ctx_flush(&exec_ctx);
   GPR_ASSERT(gpr_event_wait(&got_in_finally,
diff --git a/test/core/iomgr/endpoint_pair_test.c b/test/core/iomgr/endpoint_pair_test.c
index 1c514129e5..f2ce3d0d12 100644
--- a/test/core/iomgr/endpoint_pair_test.c
+++ b/test/core/iomgr/endpoint_pair_test.c
@@ -66,7 +66,7 @@ int main(int argc, char **argv) {
   g_pollset = gpr_zalloc(grpc_pollset_size());
   grpc_pollset_init(g_pollset, &g_mu);
   grpc_endpoint_tests(configs[0], g_pollset, g_mu);
-  grpc_closure_init(&destroyed, destroy_pollset, g_pollset,
+  GRPC_CLOSURE_INIT(&destroyed, destroy_pollset, g_pollset,
                     grpc_schedule_on_exec_ctx);
   grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
diff --git a/test/core/iomgr/endpoint_tests.c b/test/core/iomgr/endpoint_tests.c
index d6477a6a87..11b45e8e08 100644
--- a/test/core/iomgr/endpoint_tests.c
+++ b/test/core/iomgr/endpoint_tests.c
@@ -198,9 +198,9 @@ static void read_and_write_test(grpc_endpoint_test_config config,
   state.write_done = 0;
   state.current_read_data = 0;
   state.current_write_data = 0;
-  grpc_closure_init(&state.done_read, read_and_write_test_read_handler, &state,
+  GRPC_CLOSURE_INIT(&state.done_read, read_and_write_test_read_handler, &state,
                     grpc_schedule_on_exec_ctx);
-  grpc_closure_init(&state.done_write, read_and_write_test_write_handler,
+  GRPC_CLOSURE_INIT(&state.done_write, read_and_write_test_write_handler,
                     &state, grpc_schedule_on_exec_ctx);
   grpc_slice_buffer_init(&state.outgoing);
   grpc_slice_buffer_init(&state.incoming);
@@ -287,19 +287,19 @@ static void multiple_shutdown_test(grpc_endpoint_test_config config) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_endpoint_add_to_pollset(&exec_ctx, f.client_ep, g_pollset);
   grpc_endpoint_read(&exec_ctx, f.client_ep, &slice_buffer,
-                     grpc_closure_create(inc_on_failure, &fail_count,
+                     GRPC_CLOSURE_CREATE(inc_on_failure, &fail_count,
                                          grpc_schedule_on_exec_ctx));
   wait_for_fail_count(&exec_ctx, &fail_count, 0);
   grpc_endpoint_shutdown(&exec_ctx, f.client_ep,
                          GRPC_ERROR_CREATE_FROM_STATIC_STRING("Test Shutdown"));
   wait_for_fail_count(&exec_ctx, &fail_count, 1);
   grpc_endpoint_read(&exec_ctx, f.client_ep, &slice_buffer,
-                     grpc_closure_create(inc_on_failure, &fail_count,
+                     GRPC_CLOSURE_CREATE(inc_on_failure, &fail_count,
                                          grpc_schedule_on_exec_ctx));
   wait_for_fail_count(&exec_ctx, &fail_count, 2);
   grpc_slice_buffer_add(&slice_buffer, grpc_slice_from_copied_string("a"));
   grpc_endpoint_write(&exec_ctx, f.client_ep, &slice_buffer,
-                      grpc_closure_create(inc_on_failure, &fail_count,
+                      GRPC_CLOSURE_CREATE(inc_on_failure, &fail_count,
                                           grpc_schedule_on_exec_ctx));
   wait_for_fail_count(&exec_ctx, &fail_count, 3);
   grpc_endpoint_shutdown(&exec_ctx, f.client_ep,
diff --git a/test/core/iomgr/ev_epollsig_linux_test.c b/test/core/iomgr/ev_epollsig_linux_test.c
index 85f933651d..1d272fa406 100644
--- a/test/core/iomgr/ev_epollsig_linux_test.c
+++ b/test/core/iomgr/ev_epollsig_linux_test.c
@@ -106,7 +106,7 @@ static void test_pollset_cleanup(grpc_exec_ctx *exec_ctx,
   int i;
 
   for (i = 0; i < num_pollsets; i++) {
-    grpc_closure_init(&destroyed, destroy_pollset, pollsets[i].pollset,
+    GRPC_CLOSURE_INIT(&destroyed, destroy_pollset, pollsets[i].pollset,
                       grpc_schedule_on_exec_ctx);
     grpc_pollset_shutdown(exec_ctx, pollsets[i].pollset, &destroyed);
 
@@ -280,7 +280,7 @@ static void test_threading(void) {
     grpc_pollset_add_fd(&exec_ctx, shared.pollset, shared.wakeup_desc);
     grpc_fd_notify_on_read(
         &exec_ctx, shared.wakeup_desc,
-        grpc_closure_init(&shared.on_wakeup, test_threading_wakeup, &shared,
+        GRPC_CLOSURE_INIT(&shared.on_wakeup, test_threading_wakeup, &shared,
                           grpc_schedule_on_exec_ctx));
     grpc_exec_ctx_finish(&exec_ctx);
   }
@@ -296,7 +296,7 @@ static void test_threading(void) {
     grpc_fd_shutdown(&exec_ctx, shared.wakeup_desc, GRPC_ERROR_CANCELLED);
     grpc_fd_orphan(&exec_ctx, shared.wakeup_desc, NULL, NULL, "done");
     grpc_pollset_shutdown(&exec_ctx, shared.pollset,
-                          grpc_closure_create(destroy_pollset, shared.pollset,
+                          GRPC_CLOSURE_CREATE(destroy_pollset, shared.pollset,
                                               grpc_schedule_on_exec_ctx));
     grpc_exec_ctx_finish(&exec_ctx);
   }
diff --git a/test/core/iomgr/fd_posix_test.c b/test/core/iomgr/fd_posix_test.c
index 54c71b8a1f..02596450d2 100644
--- a/test/core/iomgr/fd_posix_test.c
+++ b/test/core/iomgr/fd_posix_test.c
@@ -205,7 +205,7 @@ static void listen_cb(grpc_exec_ctx *exec_ctx, void *arg, /*=sv_arg*/
   se->sv = sv;
   se->em_fd = grpc_fd_create(fd, "listener");
   grpc_pollset_add_fd(exec_ctx, g_pollset, se->em_fd);
-  grpc_closure_init(&se->session_read_closure, session_read_cb, se,
+  GRPC_CLOSURE_INIT(&se->session_read_closure, session_read_cb, se,
                     grpc_schedule_on_exec_ctx);
   grpc_fd_notify_on_read(exec_ctx, se->em_fd, &se->session_read_closure);
 
@@ -235,7 +235,7 @@ static int server_start(grpc_exec_ctx *exec_ctx, server *sv) {
   sv->em_fd = grpc_fd_create(fd, "server");
   grpc_pollset_add_fd(exec_ctx, g_pollset, sv->em_fd);
   /* Register to be interested in reading from listen_fd. */
-  grpc_closure_init(&sv->listen_closure, listen_cb, sv,
+  GRPC_CLOSURE_INIT(&sv->listen_closure, listen_cb, sv,
                     grpc_schedule_on_exec_ctx);
   grpc_fd_notify_on_read(exec_ctx, sv->em_fd, &sv->listen_closure);
 
@@ -319,7 +319,7 @@ static void client_session_write(grpc_exec_ctx *exec_ctx, void *arg, /*client */
   if (errno == EAGAIN) {
     gpr_mu_lock(g_mu);
     if (cl->client_write_cnt < CLIENT_TOTAL_WRITE_CNT) {
-      grpc_closure_init(&cl->write_closure, client_session_write, cl,
+      GRPC_CLOSURE_INIT(&cl->write_closure, client_session_write, cl,
                         grpc_schedule_on_exec_ctx);
       grpc_fd_notify_on_write(exec_ctx, cl->em_fd, &cl->write_closure);
       cl->client_write_cnt++;
@@ -445,9 +445,9 @@ static void test_grpc_fd_change(void) {
   grpc_closure second_closure;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
 
-  grpc_closure_init(&first_closure, first_read_callback, &a,
+  GRPC_CLOSURE_INIT(&first_closure, first_read_callback, &a,
                     grpc_schedule_on_exec_ctx);
-  grpc_closure_init(&second_closure, second_read_callback, &b,
+  GRPC_CLOSURE_INIT(&second_closure, second_read_callback, &b,
                     grpc_schedule_on_exec_ctx);
 
   init_change_data(&a);
@@ -533,7 +533,7 @@ int main(int argc, char **argv) {
   grpc_pollset_init(g_pollset, &g_mu);
   test_grpc_fd();
   test_grpc_fd_change();
-  grpc_closure_init(&destroyed, destroy_pollset, g_pollset,
+  GRPC_CLOSURE_INIT(&destroyed, destroy_pollset, g_pollset,
                     grpc_schedule_on_exec_ctx);
   grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_flush(&exec_ctx);
diff --git a/test/core/iomgr/pollset_set_test.c b/test/core/iomgr/pollset_set_test.c
index 4486586992..6aedaf1081 100644
--- a/test/core/iomgr/pollset_set_test.c
+++ b/test/core/iomgr/pollset_set_test.c
@@ -79,7 +79,7 @@ static void cleanup_test_pollsets(grpc_exec_ctx *exec_ctx,
                                   const int num_pollsets) {
   grpc_closure destroyed;
   for (int i = 0; i < num_pollsets; i++) {
-    grpc_closure_init(&destroyed, destroy_pollset, pollsets[i].ps,
+    GRPC_CLOSURE_INIT(&destroyed, destroy_pollset, pollsets[i].ps,
                       grpc_schedule_on_exec_ctx);
     grpc_pollset_shutdown(exec_ctx, pollsets[i].ps, &destroyed);
 
@@ -108,7 +108,7 @@ void on_readable(grpc_exec_ctx *exec_ctx, void *tfd, grpc_error *error) {
 static void reset_test_fd(grpc_exec_ctx *exec_ctx, test_fd *tfd) {
   tfd->is_on_readable_called = false;
 
-  grpc_closure_init(&tfd->on_readable, on_readable, tfd,
+  GRPC_CLOSURE_INIT(&tfd->on_readable, on_readable, tfd,
                     grpc_schedule_on_exec_ctx);
   grpc_fd_notify_on_read(exec_ctx, tfd->fd, &tfd->on_readable);
 }
diff --git a/test/core/iomgr/resolve_address_posix_test.c b/test/core/iomgr/resolve_address_posix_test.c
index be193deca3..9cc09ed5d3 100644
--- a/test/core/iomgr/resolve_address_posix_test.c
+++ b/test/core/iomgr/resolve_address_posix_test.c
@@ -61,7 +61,7 @@ void args_finish(grpc_exec_ctx *exec_ctx, args_struct *args) {
   grpc_pollset_set_del_pollset(exec_ctx, args->pollset_set, args->pollset);
   grpc_pollset_set_destroy(exec_ctx, args->pollset_set);
   grpc_closure do_nothing_cb;
-  grpc_closure_init(&do_nothing_cb, do_nothing, NULL,
+  GRPC_CLOSURE_INIT(&do_nothing_cb, do_nothing, NULL,
                     grpc_schedule_on_exec_ctx);
   grpc_pollset_shutdown(exec_ctx, args->pollset, &do_nothing_cb);
   // exec_ctx needs to be flushed before calling grpc_pollset_destroy()
@@ -129,7 +129,7 @@ static void test_unix_socket(void) {
   poll_pollset_until_request_done(&args);
   grpc_resolve_address(
       &exec_ctx, "unix:/path/name", NULL, args.pollset_set,
-      grpc_closure_create(must_succeed, &args, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(must_succeed, &args, grpc_schedule_on_exec_ctx),
       &args.addrs);
   args_finish(&exec_ctx, &args);
   grpc_exec_ctx_finish(&exec_ctx);
@@ -150,7 +150,7 @@ static void test_unix_socket_path_name_too_long(void) {
   poll_pollset_until_request_done(&args);
   grpc_resolve_address(
       &exec_ctx, path_name, NULL, args.pollset_set,
-      grpc_closure_create(must_fail, &args, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(must_fail, &args, grpc_schedule_on_exec_ctx),
       &args.addrs);
   gpr_free(path_name);
   args_finish(&exec_ctx, &args);
diff --git a/test/core/iomgr/resolve_address_test.c b/test/core/iomgr/resolve_address_test.c
index dfcc5ad9de..cb156ee61e 100644
--- a/test/core/iomgr/resolve_address_test.c
+++ b/test/core/iomgr/resolve_address_test.c
@@ -56,7 +56,7 @@ void args_finish(grpc_exec_ctx *exec_ctx, args_struct *args) {
   grpc_pollset_set_del_pollset(exec_ctx, args->pollset_set, args->pollset);
   grpc_pollset_set_destroy(exec_ctx, args->pollset_set);
   grpc_closure do_nothing_cb;
-  grpc_closure_init(&do_nothing_cb, do_nothing, NULL,
+  GRPC_CLOSURE_INIT(&do_nothing_cb, do_nothing, NULL,
                     grpc_schedule_on_exec_ctx);
   gpr_mu_lock(args->mu);
   grpc_pollset_shutdown(exec_ctx, args->pollset, &do_nothing_cb);
@@ -124,7 +124,7 @@ static void test_localhost(void) {
   args_init(&exec_ctx, &args);
   grpc_resolve_address(
       &exec_ctx, "localhost:1", NULL, args.pollset_set,
-      grpc_closure_create(must_succeed, &args, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(must_succeed, &args, grpc_schedule_on_exec_ctx),
       &args.addrs);
   grpc_exec_ctx_flush(&exec_ctx);
   poll_pollset_until_request_done(&args);
@@ -138,7 +138,7 @@ static void test_default_port(void) {
   args_init(&exec_ctx, &args);
   grpc_resolve_address(
       &exec_ctx, "localhost", "1", args.pollset_set,
-      grpc_closure_create(must_succeed, &args, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(must_succeed, &args, grpc_schedule_on_exec_ctx),
       &args.addrs);
   grpc_exec_ctx_flush(&exec_ctx);
   poll_pollset_until_request_done(&args);
@@ -152,7 +152,7 @@ static void test_non_numeric_default_port(void) {
   args_init(&exec_ctx, &args);
   grpc_resolve_address(
       &exec_ctx, "localhost", "https", args.pollset_set,
-      grpc_closure_create(must_succeed, &args, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(must_succeed, &args, grpc_schedule_on_exec_ctx),
       &args.addrs);
   grpc_exec_ctx_flush(&exec_ctx);
   poll_pollset_until_request_done(&args);
@@ -166,7 +166,7 @@ static void test_missing_default_port(void) {
   args_init(&exec_ctx, &args);
   grpc_resolve_address(
       &exec_ctx, "localhost", NULL, args.pollset_set,
-      grpc_closure_create(must_fail, &args, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(must_fail, &args, grpc_schedule_on_exec_ctx),
       &args.addrs);
   grpc_exec_ctx_flush(&exec_ctx);
   poll_pollset_until_request_done(&args);
@@ -180,7 +180,7 @@ static void test_ipv6_with_port(void) {
   args_init(&exec_ctx, &args);
   grpc_resolve_address(
       &exec_ctx, "[2001:db8::1]:1", NULL, args.pollset_set,
-      grpc_closure_create(must_succeed, &args, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(must_succeed, &args, grpc_schedule_on_exec_ctx),
       &args.addrs);
   grpc_exec_ctx_flush(&exec_ctx);
   poll_pollset_until_request_done(&args);
@@ -199,7 +199,7 @@ static void test_ipv6_without_port(void) {
     args_init(&exec_ctx, &args);
     grpc_resolve_address(
         &exec_ctx, kCases[i], "80", args.pollset_set,
-        grpc_closure_create(must_succeed, &args, grpc_schedule_on_exec_ctx),
+        GRPC_CLOSURE_CREATE(must_succeed, &args, grpc_schedule_on_exec_ctx),
         &args.addrs);
     grpc_exec_ctx_flush(&exec_ctx);
     poll_pollset_until_request_done(&args);
@@ -219,7 +219,7 @@ static void test_invalid_ip_addresses(void) {
     args_init(&exec_ctx, &args);
     grpc_resolve_address(
         &exec_ctx, kCases[i], NULL, args.pollset_set,
-        grpc_closure_create(must_fail, &args, grpc_schedule_on_exec_ctx),
+        GRPC_CLOSURE_CREATE(must_fail, &args, grpc_schedule_on_exec_ctx),
         &args.addrs);
     grpc_exec_ctx_flush(&exec_ctx);
     poll_pollset_until_request_done(&args);
@@ -239,7 +239,7 @@ static void test_unparseable_hostports(void) {
     args_init(&exec_ctx, &args);
     grpc_resolve_address(
         &exec_ctx, kCases[i], "1", args.pollset_set,
-        grpc_closure_create(must_fail, &args, grpc_schedule_on_exec_ctx),
+        GRPC_CLOSURE_CREATE(must_fail, &args, grpc_schedule_on_exec_ctx),
         &args.addrs);
     grpc_exec_ctx_flush(&exec_ctx);
     poll_pollset_until_request_done(&args);
diff --git a/test/core/iomgr/resource_quota_test.c b/test/core/iomgr/resource_quota_test.c
index a3a0db59f5..b588f3d120 100644
--- a/test/core/iomgr/resource_quota_test.c
+++ b/test/core/iomgr/resource_quota_test.c
@@ -47,7 +47,7 @@ static void set_event_cb(grpc_exec_ctx *exec_ctx, void *a, grpc_error *error) {
   gpr_event_set((gpr_event *)a, (void *)1);
 }
 grpc_closure *set_event(gpr_event *ev) {
-  return grpc_closure_create(set_event_cb, ev, grpc_schedule_on_exec_ctx);
+  return GRPC_CLOSURE_CREATE(set_event_cb, ev, grpc_schedule_on_exec_ctx);
 }
 
 typedef struct {
@@ -61,7 +61,7 @@ static void reclaimer_cb(grpc_exec_ctx *exec_ctx, void *args,
   reclaimer_args *a = args;
   grpc_resource_user_free(exec_ctx, a->resource_user, a->size);
   grpc_resource_user_finish_reclamation(exec_ctx, a->resource_user);
-  grpc_closure_run(exec_ctx, a->then, GRPC_ERROR_NONE);
+  GRPC_CLOSURE_RUN(exec_ctx, a->then, GRPC_ERROR_NONE);
   gpr_free(a);
 }
 grpc_closure *make_reclaimer(grpc_resource_user *resource_user, size_t size,
@@ -70,16 +70,16 @@ grpc_closure *make_reclaimer(grpc_resource_user *resource_user, size_t size,
   a->size = size;
   a->resource_user = resource_user;
   a->then = then;
-  return grpc_closure_create(reclaimer_cb, a, grpc_schedule_on_exec_ctx);
+  return GRPC_CLOSURE_CREATE(reclaimer_cb, a, grpc_schedule_on_exec_ctx);
 }
 
 static void unused_reclaimer_cb(grpc_exec_ctx *exec_ctx, void *arg,
                                 grpc_error *error) {
   GPR_ASSERT(error == GRPC_ERROR_CANCELLED);
-  grpc_closure_run(exec_ctx, arg, GRPC_ERROR_NONE);
+  GRPC_CLOSURE_RUN(exec_ctx, arg, GRPC_ERROR_NONE);
 }
 grpc_closure *make_unused_reclaimer(grpc_closure *then) {
-  return grpc_closure_create(unused_reclaimer_cb, then,
+  return GRPC_CLOSURE_CREATE(unused_reclaimer_cb, then,
                              grpc_schedule_on_exec_ctx);
 }
 
diff --git a/test/core/iomgr/tcp_client_posix_test.c b/test/core/iomgr/tcp_client_posix_test.c
index 75104617c5..00ea495bbe 100644
--- a/test/core/iomgr/tcp_client_posix_test.c
+++ b/test/core/iomgr/tcp_client_posix_test.c
@@ -105,7 +105,7 @@ void test_succeeds(void) {
   /* connect to it */
   GPR_ASSERT(getsockname(svr_fd, (struct sockaddr *)addr,
                          (socklen_t *)&resolved_addr.len) == 0);
-  grpc_closure_init(&done, must_succeed, NULL, grpc_schedule_on_exec_ctx);
+  GRPC_CLOSURE_INIT(&done, must_succeed, NULL, grpc_schedule_on_exec_ctx);
   grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, g_pollset_set, NULL,
                           &resolved_addr, gpr_inf_future(GPR_CLOCK_REALTIME));
 
@@ -155,7 +155,7 @@ void test_fails(void) {
   gpr_mu_unlock(g_mu);
 
   /* connect to a broken address */
-  grpc_closure_init(&done, must_fail, NULL, grpc_schedule_on_exec_ctx);
+  GRPC_CLOSURE_INIT(&done, must_fail, NULL, grpc_schedule_on_exec_ctx);
   grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, g_pollset_set, NULL,
                           &resolved_addr, gpr_inf_future(GPR_CLOCK_REALTIME));
 
@@ -206,7 +206,7 @@ int main(int argc, char **argv) {
   gpr_log(GPR_ERROR, "End of first test");
   test_fails();
   grpc_pollset_set_destroy(&exec_ctx, g_pollset_set);
-  grpc_closure_init(&destroyed, destroy_pollset, g_pollset,
+  GRPC_CLOSURE_INIT(&destroyed, destroy_pollset, g_pollset,
                     grpc_schedule_on_exec_ctx);
   grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
diff --git a/test/core/iomgr/tcp_client_uv_test.c b/test/core/iomgr/tcp_client_uv_test.c
index 9b741d3682..9927356613 100644
--- a/test/core/iomgr/tcp_client_uv_test.c
+++ b/test/core/iomgr/tcp_client_uv_test.c
@@ -108,7 +108,7 @@ void test_succeeds(void) {
   /* connect to it */
   GPR_ASSERT(uv_tcp_getsockname(svr_handle, (struct sockaddr *)addr,
                                 (int *)&resolved_addr.len) == 0);
-  grpc_closure_init(&done, must_succeed, NULL, grpc_schedule_on_exec_ctx);
+  GRPC_CLOSURE_INIT(&done, must_succeed, NULL, grpc_schedule_on_exec_ctx);
   grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, NULL, NULL,
                           &resolved_addr, gpr_inf_future(GPR_CLOCK_REALTIME));
 
@@ -152,7 +152,7 @@ void test_fails(void) {
   gpr_mu_unlock(g_mu);
 
   /* connect to a broken address */
-  grpc_closure_init(&done, must_fail, NULL, grpc_schedule_on_exec_ctx);
+  GRPC_CLOSURE_INIT(&done, must_fail, NULL, grpc_schedule_on_exec_ctx);
   grpc_tcp_client_connect(&exec_ctx, &done, &g_connecting, NULL, NULL,
                           &resolved_addr, gpr_inf_future(GPR_CLOCK_REALTIME));
 
@@ -200,7 +200,7 @@ int main(int argc, char **argv) {
   test_succeeds();
   gpr_log(GPR_ERROR, "End of first test");
   test_fails();
-  grpc_closure_init(&destroyed, destroy_pollset, g_pollset,
+  GRPC_CLOSURE_INIT(&destroyed, destroy_pollset, g_pollset,
                     grpc_schedule_on_exec_ctx);
   grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
diff --git a/test/core/iomgr/tcp_posix_test.c b/test/core/iomgr/tcp_posix_test.c
index 9ae03fc023..c45068e7ec 100644
--- a/test/core/iomgr/tcp_posix_test.c
+++ b/test/core/iomgr/tcp_posix_test.c
@@ -184,7 +184,7 @@ static void read_test(size_t num_bytes, size_t slice_size) {
   state.read_bytes = 0;
   state.target_read_bytes = written_bytes;
   grpc_slice_buffer_init(&state.incoming);
-  grpc_closure_init(&state.read_cb, read_cb, &state, grpc_schedule_on_exec_ctx);
+  GRPC_CLOSURE_INIT(&state.read_cb, read_cb, &state, grpc_schedule_on_exec_ctx);
 
   grpc_endpoint_read(&exec_ctx, ep, &state.incoming, &state.read_cb);
 
@@ -236,7 +236,7 @@ static void large_read_test(size_t slice_size) {
   state.read_bytes = 0;
   state.target_read_bytes = (size_t)written_bytes;
   grpc_slice_buffer_init(&state.incoming);
-  grpc_closure_init(&state.read_cb, read_cb, &state, grpc_schedule_on_exec_ctx);
+  GRPC_CLOSURE_INIT(&state.read_cb, read_cb, &state, grpc_schedule_on_exec_ctx);
 
   grpc_endpoint_read(&exec_ctx, ep, &state.incoming, &state.read_cb);
 
@@ -376,7 +376,7 @@ static void write_test(size_t num_bytes, size_t slice_size) {
 
   grpc_slice_buffer_init(&outgoing);
   grpc_slice_buffer_addn(&outgoing, slices, num_blocks);
-  grpc_closure_init(&write_done_closure, write_done, &state,
+  GRPC_CLOSURE_INIT(&write_done_closure, write_done, &state,
                     grpc_schedule_on_exec_ctx);
 
   grpc_endpoint_write(&exec_ctx, ep, &outgoing, &write_done_closure);
@@ -422,7 +422,7 @@ static void release_fd_test(size_t num_bytes, size_t slice_size) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_closure fd_released_cb;
   int fd_released_done = 0;
-  grpc_closure_init(&fd_released_cb, &on_fd_released, &fd_released_done,
+  GRPC_CLOSURE_INIT(&fd_released_cb, &on_fd_released, &fd_released_done,
                     grpc_schedule_on_exec_ctx);
 
   gpr_log(GPR_INFO,
@@ -447,7 +447,7 @@ static void release_fd_test(size_t num_bytes, size_t slice_size) {
   state.read_bytes = 0;
   state.target_read_bytes = written_bytes;
   grpc_slice_buffer_init(&state.incoming);
-  grpc_closure_init(&state.read_cb, read_cb, &state, grpc_schedule_on_exec_ctx);
+  GRPC_CLOSURE_INIT(&state.read_cb, read_cb, &state, grpc_schedule_on_exec_ctx);
 
   grpc_endpoint_read(&exec_ctx, ep, &state.incoming, &state.read_cb);
 
@@ -560,7 +560,7 @@ int main(int argc, char **argv) {
   grpc_pollset_init(g_pollset, &g_mu);
   grpc_endpoint_tests(configs[0], g_pollset, g_mu);
   run_tests();
-  grpc_closure_init(&destroyed, destroy_pollset, g_pollset,
+  GRPC_CLOSURE_INIT(&destroyed, destroy_pollset, g_pollset,
                     grpc_schedule_on_exec_ctx);
   grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
diff --git a/test/core/iomgr/tcp_server_posix_test.c b/test/core/iomgr/tcp_server_posix_test.c
index adfaa390dc..2371721a60 100644
--- a/test/core/iomgr/tcp_server_posix_test.c
+++ b/test/core/iomgr/tcp_server_posix_test.c
@@ -118,7 +118,7 @@ static void server_weak_ref_shutdown(grpc_exec_ctx *exec_ctx, void *arg,
 
 static void server_weak_ref_init(server_weak_ref *weak_ref) {
   weak_ref->server = NULL;
-  grpc_closure_init(&weak_ref->server_shutdown, server_weak_ref_shutdown,
+  GRPC_CLOSURE_INIT(&weak_ref->server_shutdown, server_weak_ref_shutdown,
                     weak_ref, grpc_schedule_on_exec_ctx);
 }
 
@@ -492,7 +492,7 @@ int main(int argc, char **argv) {
   /* Test connect(2) with dst_addrs. */
   test_connect(10, &channel_args, dst_addrs, false);
 
-  grpc_closure_init(&destroyed, destroy_pollset, g_pollset,
+  GRPC_CLOSURE_INIT(&destroyed, destroy_pollset, g_pollset,
                     grpc_schedule_on_exec_ctx);
   grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
diff --git a/test/core/iomgr/tcp_server_uv_test.c b/test/core/iomgr/tcp_server_uv_test.c
index 307e40a49e..8f4d553d1e 100644
--- a/test/core/iomgr/tcp_server_uv_test.c
+++ b/test/core/iomgr/tcp_server_uv_test.c
@@ -82,7 +82,7 @@ static void server_weak_ref_shutdown(grpc_exec_ctx *exec_ctx, void *arg,
 
 static void server_weak_ref_init(server_weak_ref *weak_ref) {
   weak_ref->server = NULL;
-  grpc_closure_init(&weak_ref->server_shutdown, server_weak_ref_shutdown,
+  GRPC_CLOSURE_INIT(&weak_ref->server_shutdown, server_weak_ref_shutdown,
                     weak_ref, grpc_schedule_on_exec_ctx);
 }
 
@@ -309,7 +309,7 @@ int main(int argc, char **argv) {
   test_connect(1);
   test_connect(10);
 
-  grpc_closure_init(&destroyed, destroy_pollset, g_pollset,
+  GRPC_CLOSURE_INIT(&destroyed, destroy_pollset, g_pollset,
                     grpc_schedule_on_exec_ctx);
   grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
diff --git a/test/core/iomgr/timer_list_test.c b/test/core/iomgr/timer_list_test.c
index fbd2d0df77..5f8b01fdc4 100644
--- a/test/core/iomgr/timer_list_test.c
+++ b/test/core/iomgr/timer_list_test.c
@@ -58,7 +58,7 @@ static void add_test(void) {
     grpc_timer_init(
         &exec_ctx, &timers[i],
         gpr_time_add(start, gpr_time_from_millis(10, GPR_TIMESPAN)),
-        grpc_closure_create(cb, (void *)(intptr_t)i, grpc_schedule_on_exec_ctx),
+        GRPC_CLOSURE_CREATE(cb, (void *)(intptr_t)i, grpc_schedule_on_exec_ctx),
         start);
   }
 
@@ -67,7 +67,7 @@ static void add_test(void) {
     grpc_timer_init(
         &exec_ctx, &timers[i],
         gpr_time_add(start, gpr_time_from_millis(1010, GPR_TIMESPAN)),
-        grpc_closure_create(cb, (void *)(intptr_t)i, grpc_schedule_on_exec_ctx),
+        GRPC_CLOSURE_CREATE(cb, (void *)(intptr_t)i, grpc_schedule_on_exec_ctx),
         start);
   }
 
@@ -134,23 +134,23 @@ void destruction_test(void) {
 
   grpc_timer_init(
       &exec_ctx, &timers[0], tfm(100),
-      grpc_closure_create(cb, (void *)(intptr_t)0, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(cb, (void *)(intptr_t)0, grpc_schedule_on_exec_ctx),
       gpr_time_0(GPR_CLOCK_REALTIME));
   grpc_timer_init(
       &exec_ctx, &timers[1], tfm(3),
-      grpc_closure_create(cb, (void *)(intptr_t)1, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(cb, (void *)(intptr_t)1, grpc_schedule_on_exec_ctx),
       gpr_time_0(GPR_CLOCK_REALTIME));
   grpc_timer_init(
       &exec_ctx, &timers[2], tfm(100),
-      grpc_closure_create(cb, (void *)(intptr_t)2, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(cb, (void *)(intptr_t)2, grpc_schedule_on_exec_ctx),
       gpr_time_0(GPR_CLOCK_REALTIME));
   grpc_timer_init(
       &exec_ctx, &timers[3], tfm(3),
-      grpc_closure_create(cb, (void *)(intptr_t)3, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(cb, (void *)(intptr_t)3, grpc_schedule_on_exec_ctx),
       gpr_time_0(GPR_CLOCK_REALTIME));
   grpc_timer_init(
       &exec_ctx, &timers[4], tfm(1),
-      grpc_closure_create(cb, (void *)(intptr_t)4, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(cb, (void *)(intptr_t)4, grpc_schedule_on_exec_ctx),
       gpr_time_0(GPR_CLOCK_REALTIME));
   GPR_ASSERT(grpc_timer_check(&exec_ctx, tfm(2), NULL) == GRPC_TIMERS_FIRED);
   grpc_exec_ctx_finish(&exec_ctx);
diff --git a/test/core/iomgr/udp_server_test.c b/test/core/iomgr/udp_server_test.c
index c95d0ce835..aa34857dbd 100644
--- a/test/core/iomgr/udp_server_test.c
+++ b/test/core/iomgr/udp_server_test.c
@@ -311,7 +311,7 @@ int main(int argc, char **argv) {
   test_receive(1);
   test_receive(10);
 
-  grpc_closure_init(&destroyed, destroy_pollset, g_pollset,
+  GRPC_CLOSURE_INIT(&destroyed, destroy_pollset, g_pollset,
                     grpc_schedule_on_exec_ctx);
   grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
diff --git a/test/core/security/credentials_test.c b/test/core/security/credentials_test.c
index e0c209f4f1..9d419c78ea 100644
--- a/test/core/security/credentials_test.c
+++ b/test/core/security/credentials_test.c
@@ -583,7 +583,7 @@ static int compute_engine_httpcli_get_success_override(
     grpc_httpcli_response *response) {
   validate_compute_engine_http_request(request);
   *response = http_response(200, valid_oauth2_json_response);
-  grpc_closure_sched(exec_ctx, on_done, GRPC_ERROR_NONE);
+  GRPC_CLOSURE_SCHED(exec_ctx, on_done, GRPC_ERROR_NONE);
   return 1;
 }
 
@@ -593,7 +593,7 @@ static int compute_engine_httpcli_get_failure_override(
     grpc_httpcli_response *response) {
   validate_compute_engine_http_request(request);
   *response = http_response(403, "Not Authorized.");
-  grpc_closure_sched(exec_ctx, on_done, GRPC_ERROR_NONE);
+  GRPC_CLOSURE_SCHED(exec_ctx, on_done, GRPC_ERROR_NONE);
   return 1;
 }
 
@@ -686,7 +686,7 @@ static int refresh_token_httpcli_post_success(
     grpc_closure *on_done, grpc_httpcli_response *response) {
   validate_refresh_token_http_request(request, body, body_size);
   *response = http_response(200, valid_oauth2_json_response);
-  grpc_closure_sched(exec_ctx, on_done, GRPC_ERROR_NONE);
+  GRPC_CLOSURE_SCHED(exec_ctx, on_done, GRPC_ERROR_NONE);
   return 1;
 }
 
@@ -696,7 +696,7 @@ static int refresh_token_httpcli_post_failure(
     grpc_closure *on_done, grpc_httpcli_response *response) {
   validate_refresh_token_http_request(request, body, body_size);
   *response = http_response(403, "Not Authorized.");
-  grpc_closure_sched(exec_ctx, on_done, GRPC_ERROR_NONE);
+  GRPC_CLOSURE_SCHED(exec_ctx, on_done, GRPC_ERROR_NONE);
   return 1;
 }
 
@@ -939,7 +939,7 @@ static int default_creds_gce_detection_httpcli_get_success_override(
   response->hdrs = headers;
   GPR_ASSERT(strcmp(request->http.path, "/") == 0);
   GPR_ASSERT(strcmp(request->host, "metadata.google.internal") == 0);
-  grpc_closure_sched(exec_ctx, on_done, GRPC_ERROR_NONE);
+  GRPC_CLOSURE_SCHED(exec_ctx, on_done, GRPC_ERROR_NONE);
   return 1;
 }
 
@@ -997,7 +997,7 @@ static int default_creds_gce_detection_httpcli_get_failure_override(
   GPR_ASSERT(strcmp(request->http.path, "/") == 0);
   GPR_ASSERT(strcmp(request->host, "metadata.google.internal") == 0);
   *response = http_response(200, "");
-  grpc_closure_sched(exec_ctx, on_done, GRPC_ERROR_NONE);
+  GRPC_CLOSURE_SCHED(exec_ctx, on_done, GRPC_ERROR_NONE);
   return 1;
 }
 
diff --git a/test/core/security/jwt_verifier_test.c b/test/core/security/jwt_verifier_test.c
index 76b95df888..9b17fb516d 100644
--- a/test/core/security/jwt_verifier_test.c
+++ b/test/core/security/jwt_verifier_test.c
@@ -341,7 +341,7 @@ static int httpcli_get_google_keys_for_email(
                     "/robot/v1/metadata/x509/"
                     "777-abaslkan11hlb6nmim3bpspl31ud@developer."
                     "gserviceaccount.com") == 0);
-  grpc_closure_sched(exec_ctx, on_done, GRPC_ERROR_NONE);
+  GRPC_CLOSURE_SCHED(exec_ctx, on_done, GRPC_ERROR_NONE);
   return 1;
 }
 
@@ -385,7 +385,7 @@ static int httpcli_get_custom_keys_for_email(
   GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, "keys.bar.com") == 0);
   GPR_ASSERT(strcmp(request->http.path, "/jwk/foo@bar.com") == 0);
-  grpc_closure_sched(exec_ctx, on_done, GRPC_ERROR_NONE);
+  GRPC_CLOSURE_SCHED(exec_ctx, on_done, GRPC_ERROR_NONE);
   return 1;
 }
 
@@ -419,7 +419,7 @@ static int httpcli_get_jwk_set(grpc_exec_ctx *exec_ctx,
   GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
   GPR_ASSERT(strcmp(request->host, "www.googleapis.com") == 0);
   GPR_ASSERT(strcmp(request->http.path, "/oauth2/v3/certs") == 0);
-  grpc_closure_sched(exec_ctx, on_done, GRPC_ERROR_NONE);
+  GRPC_CLOSURE_SCHED(exec_ctx, on_done, GRPC_ERROR_NONE);
   return 1;
 }
 
@@ -434,7 +434,7 @@ static int httpcli_get_openid_config(grpc_exec_ctx *exec_ctx,
   GPR_ASSERT(strcmp(request->http.path, GRPC_OPENID_CONFIG_URL_SUFFIX) == 0);
   grpc_httpcli_set_override(httpcli_get_jwk_set,
                             httpcli_post_should_not_be_called);
-  grpc_closure_sched(exec_ctx, on_done, GRPC_ERROR_NONE);
+  GRPC_CLOSURE_SCHED(exec_ctx, on_done, GRPC_ERROR_NONE);
   return 1;
 }
 
@@ -475,7 +475,7 @@ static int httpcli_get_bad_json(grpc_exec_ctx *exec_ctx,
                                 grpc_httpcli_response *response) {
   *response = http_response(200, gpr_strdup("{\"bad\": \"stuff\"}"));
   GPR_ASSERT(request->handshaker == &grpc_httpcli_ssl);
-  grpc_closure_sched(exec_ctx, on_done, GRPC_ERROR_NONE);
+  GRPC_CLOSURE_SCHED(exec_ctx, on_done, GRPC_ERROR_NONE);
   return 1;
 }
 
diff --git a/test/core/security/oauth2_utils.c b/test/core/security/oauth2_utils.c
index 95b18445dc..e2331fbd97 100644
--- a/test/core/security/oauth2_utils.c
+++ b/test/core/security/oauth2_utils.c
@@ -77,7 +77,7 @@ char *grpc_test_fetch_oauth2_token_with_credentials(
   request.pops = grpc_polling_entity_create_from_pollset(pollset);
   request.is_done = 0;
 
-  grpc_closure_init(&do_nothing_closure, do_nothing, NULL,
+  GRPC_CLOSURE_INIT(&do_nothing_closure, do_nothing, NULL,
                     grpc_schedule_on_exec_ctx);
 
   grpc_call_credentials_get_request_metadata(
diff --git a/test/core/security/secure_endpoint_test.c b/test/core/security/secure_endpoint_test.c
index e69466ccf1..fd8af2f152 100644
--- a/test/core/security/secure_endpoint_test.c
+++ b/test/core/security/secure_endpoint_test.c
@@ -146,7 +146,7 @@ static void test_leftover(grpc_endpoint_test_config config, size_t slice_size) {
   gpr_log(GPR_INFO, "Start test left over");
 
   grpc_slice_buffer_init(&incoming);
-  grpc_closure_init(&done_closure, inc_call_ctr, &n, grpc_schedule_on_exec_ctx);
+  GRPC_CLOSURE_INIT(&done_closure, inc_call_ctr, &n, grpc_schedule_on_exec_ctx);
   grpc_endpoint_read(&exec_ctx, f.client_ep, &incoming, &done_closure);
   grpc_exec_ctx_finish(&exec_ctx);
   GPR_ASSERT(n == 1);
@@ -183,7 +183,7 @@ int main(int argc, char **argv) {
   grpc_pollset_init(g_pollset, &g_mu);
   grpc_endpoint_tests(configs[0], g_pollset, g_mu);
   test_leftover(configs[1], 1);
-  grpc_closure_init(&destroyed, destroy_pollset, g_pollset,
+  GRPC_CLOSURE_INIT(&destroyed, destroy_pollset, g_pollset,
                     grpc_schedule_on_exec_ctx);
   grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
   grpc_exec_ctx_finish(&exec_ctx);
diff --git a/test/core/surface/concurrent_connectivity_test.c b/test/core/surface/concurrent_connectivity_test.c
index 234730d83d..08079b6091 100644
--- a/test/core/surface/concurrent_connectivity_test.c
+++ b/test/core/surface/concurrent_connectivity_test.c
@@ -229,7 +229,7 @@ int run_concurrent_connectivity_test() {
   gpr_thd_join(server);
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_pollset_shutdown(&exec_ctx, args.pollset,
-                        grpc_closure_create(done_pollset_shutdown, args.pollset,
+                        GRPC_CLOSURE_CREATE(done_pollset_shutdown, args.pollset,
                                             grpc_schedule_on_exec_ctx));
   grpc_exec_ctx_finish(&exec_ctx);
 
diff --git a/test/core/surface/lame_client_test.c b/test/core/surface/lame_client_test.c
index af8725b8de..f623e1a743 100644
--- a/test/core/surface/lame_client_test.c
+++ b/test/core/surface/lame_client_test.c
@@ -47,7 +47,7 @@ void test_transport_op(grpc_channel *channel) {
   grpc_connectivity_state state = GRPC_CHANNEL_IDLE;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
 
-  grpc_closure_init(&transport_op_cb, verify_connectivity, &state,
+  GRPC_CLOSURE_INIT(&transport_op_cb, verify_connectivity, &state,
                     grpc_schedule_on_exec_ctx);
 
   op = grpc_make_transport_op(NULL);
@@ -57,7 +57,7 @@ void test_transport_op(grpc_channel *channel) {
   elem->filter->start_transport_op(&exec_ctx, elem, op);
   grpc_exec_ctx_finish(&exec_ctx);
 
-  grpc_closure_init(&transport_op_cb, do_nothing, NULL,
+  GRPC_CLOSURE_INIT(&transport_op_cb, do_nothing, NULL,
                     grpc_schedule_on_exec_ctx);
   op = grpc_make_transport_op(&transport_op_cb);
   elem->filter->start_transport_op(&exec_ctx, elem, op);
diff --git a/test/core/transport/connectivity_state_test.c b/test/core/transport/connectivity_state_test.c
index 73e48838d4..4ef8683107 100644
--- a/test/core/transport/connectivity_state_test.c
+++ b/test/core/transport/connectivity_state_test.c
@@ -73,7 +73,7 @@ static void test_check(void) {
 static void test_subscribe_then_unsubscribe(void) {
   grpc_connectivity_state_tracker tracker;
   grpc_closure *closure =
-      grpc_closure_create(must_fail, THE_ARG, grpc_schedule_on_exec_ctx);
+      GRPC_CLOSURE_CREATE(must_fail, THE_ARG, grpc_schedule_on_exec_ctx);
   grpc_connectivity_state state = GRPC_CHANNEL_IDLE;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   gpr_log(GPR_DEBUG, "test_subscribe_then_unsubscribe");
@@ -97,7 +97,7 @@ static void test_subscribe_then_unsubscribe(void) {
 static void test_subscribe_then_destroy(void) {
   grpc_connectivity_state_tracker tracker;
   grpc_closure *closure =
-      grpc_closure_create(must_succeed, THE_ARG, grpc_schedule_on_exec_ctx);
+      GRPC_CLOSURE_CREATE(must_succeed, THE_ARG, grpc_schedule_on_exec_ctx);
   grpc_connectivity_state state = GRPC_CHANNEL_IDLE;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   gpr_log(GPR_DEBUG, "test_subscribe_then_destroy");
@@ -117,7 +117,7 @@ static void test_subscribe_then_destroy(void) {
 static void test_subscribe_with_failure_then_destroy(void) {
   grpc_connectivity_state_tracker tracker;
   grpc_closure *closure =
-      grpc_closure_create(must_fail, THE_ARG, grpc_schedule_on_exec_ctx);
+      GRPC_CLOSURE_CREATE(must_fail, THE_ARG, grpc_schedule_on_exec_ctx);
   grpc_connectivity_state state = GRPC_CHANNEL_SHUTDOWN;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   gpr_log(GPR_DEBUG, "test_subscribe_with_failure_then_destroy");
diff --git a/test/core/util/mock_endpoint.c b/test/core/util/mock_endpoint.c
index 8cec085be5..40cf0a2652 100644
--- a/test/core/util/mock_endpoint.c
+++ b/test/core/util/mock_endpoint.c
@@ -46,7 +46,7 @@ static void me_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
   gpr_mu_lock(&m->mu);
   if (m->read_buffer.count > 0) {
     grpc_slice_buffer_swap(&m->read_buffer, slices);
-    grpc_closure_sched(exec_ctx, cb, GRPC_ERROR_NONE);
+    GRPC_CLOSURE_SCHED(exec_ctx, cb, GRPC_ERROR_NONE);
   } else {
     m->on_read = cb;
     m->on_read_out = slices;
@@ -60,7 +60,7 @@ static void me_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
   for (size_t i = 0; i < slices->count; i++) {
     m->on_write(slices->slices[i]);
   }
-  grpc_closure_sched(exec_ctx, cb, GRPC_ERROR_NONE);
+  GRPC_CLOSURE_SCHED(exec_ctx, cb, GRPC_ERROR_NONE);
 }
 
 static void me_add_to_pollset(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
@@ -74,7 +74,7 @@ static void me_shutdown(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
   grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
   gpr_mu_lock(&m->mu);
   if (m->on_read) {
-    grpc_closure_sched(exec_ctx, m->on_read,
+    GRPC_CLOSURE_SCHED(exec_ctx, m->on_read,
                        GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING(
                            "Endpoint Shutdown", &why, 1));
     m->on_read = NULL;
@@ -129,7 +129,7 @@ void grpc_mock_endpoint_put_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
   gpr_mu_lock(&m->mu);
   if (m->on_read != NULL) {
     grpc_slice_buffer_add(m->on_read_out, slice);
-    grpc_closure_sched(exec_ctx, m->on_read, GRPC_ERROR_NONE);
+    GRPC_CLOSURE_SCHED(exec_ctx, m->on_read, GRPC_ERROR_NONE);
     m->on_read = NULL;
   } else {
     grpc_slice_buffer_add(&m->read_buffer, slice);
diff --git a/test/core/util/passthru_endpoint.c b/test/core/util/passthru_endpoint.c
index 187bc74ab1..eef1f163f0 100644
--- a/test/core/util/passthru_endpoint.c
+++ b/test/core/util/passthru_endpoint.c
@@ -60,11 +60,11 @@ static void me_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
   half *m = (half *)ep;
   gpr_mu_lock(&m->parent->mu);
   if (m->parent->shutdown) {
-    grpc_closure_sched(
+    GRPC_CLOSURE_SCHED(
         exec_ctx, cb, GRPC_ERROR_CREATE_FROM_STATIC_STRING("Already shutdown"));
   } else if (m->read_buffer.count > 0) {
     grpc_slice_buffer_swap(&m->read_buffer, slices);
-    grpc_closure_sched(exec_ctx, cb, GRPC_ERROR_NONE);
+    GRPC_CLOSURE_SCHED(exec_ctx, cb, GRPC_ERROR_NONE);
   } else {
     m->on_read = cb;
     m->on_read_out = slices;
@@ -89,7 +89,7 @@ static void me_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
     for (size_t i = 0; i < slices->count; i++) {
       grpc_slice_buffer_add(m->on_read_out, grpc_slice_copy(slices->slices[i]));
     }
-    grpc_closure_sched(exec_ctx, m->on_read, GRPC_ERROR_NONE);
+    GRPC_CLOSURE_SCHED(exec_ctx, m->on_read, GRPC_ERROR_NONE);
     m->on_read = NULL;
   } else {
     for (size_t i = 0; i < slices->count; i++) {
@@ -98,7 +98,7 @@ static void me_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
     }
   }
   gpr_mu_unlock(&m->parent->mu);
-  grpc_closure_sched(exec_ctx, cb, error);
+  GRPC_CLOSURE_SCHED(exec_ctx, cb, error);
 }
 
 static void me_add_to_pollset(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
@@ -113,14 +113,14 @@ static void me_shutdown(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
   gpr_mu_lock(&m->parent->mu);
   m->parent->shutdown = true;
   if (m->on_read) {
-    grpc_closure_sched(
+    GRPC_CLOSURE_SCHED(
         exec_ctx, m->on_read,
         GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING("Shutdown", &why, 1));
     m->on_read = NULL;
   }
   m = other_half(m);
   if (m->on_read) {
-    grpc_closure_sched(
+    GRPC_CLOSURE_SCHED(
         exec_ctx, m->on_read,
         GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING("Shutdown", &why, 1));
     m->on_read = NULL;
diff --git a/test/core/util/port_server_client.c b/test/core/util/port_server_client.c
index e5a2ecd517..d5739effb3 100644
--- a/test/core/util/port_server_client.c
+++ b/test/core/util/port_server_client.c
@@ -76,7 +76,7 @@ void grpc_free_port_using_server(int port) {
   grpc_pollset *pollset = gpr_zalloc(grpc_pollset_size());
   grpc_pollset_init(pollset, &pr.mu);
   pr.pops = grpc_polling_entity_create_from_pollset(pollset);
-  shutdown_closure = grpc_closure_create(destroy_pops_and_shutdown, &pr.pops,
+  shutdown_closure = GRPC_CLOSURE_CREATE(destroy_pops_and_shutdown, &pr.pops,
                                          grpc_schedule_on_exec_ctx);
 
   req.host = GRPC_PORT_SERVER_ADDRESS;
@@ -88,7 +88,7 @@ void grpc_free_port_using_server(int port) {
       grpc_resource_quota_create("port_server_client/free");
   grpc_httpcli_get(&exec_ctx, &context, &pr.pops, resource_quota, &req,
                    grpc_timeout_seconds_to_deadline(30),
-                   grpc_closure_create(freed_port_from_server, &pr,
+                   GRPC_CLOSURE_CREATE(freed_port_from_server, &pr,
                                        grpc_schedule_on_exec_ctx),
                    &rsp);
   grpc_resource_quota_unref_internal(&exec_ctx, resource_quota);
@@ -172,7 +172,7 @@ static void got_port_from_server(grpc_exec_ctx *exec_ctx, void *arg,
         grpc_resource_quota_create("port_server_client/pick_retry");
     grpc_httpcli_get(exec_ctx, pr->ctx, &pr->pops, resource_quota, &req,
                      grpc_timeout_seconds_to_deadline(10),
-                     grpc_closure_create(got_port_from_server, pr,
+                     GRPC_CLOSURE_CREATE(got_port_from_server, pr,
                                          grpc_schedule_on_exec_ctx),
                      &pr->response);
     grpc_resource_quota_unref_internal(exec_ctx, resource_quota);
@@ -207,7 +207,7 @@ int grpc_pick_port_using_server(void) {
   grpc_pollset *pollset = gpr_zalloc(grpc_pollset_size());
   grpc_pollset_init(pollset, &pr.mu);
   pr.pops = grpc_polling_entity_create_from_pollset(pollset);
-  shutdown_closure = grpc_closure_create(destroy_pops_and_shutdown, &pr.pops,
+  shutdown_closure = GRPC_CLOSURE_CREATE(destroy_pops_and_shutdown, &pr.pops,
                                          grpc_schedule_on_exec_ctx);
   pr.port = -1;
   pr.server = GRPC_PORT_SERVER_ADDRESS;
@@ -222,7 +222,7 @@ int grpc_pick_port_using_server(void) {
   grpc_httpcli_get(
       &exec_ctx, &context, &pr.pops, resource_quota, &req,
       grpc_timeout_seconds_to_deadline(30),
-      grpc_closure_create(got_port_from_server, &pr, grpc_schedule_on_exec_ctx),
+      GRPC_CLOSURE_CREATE(got_port_from_server, &pr, grpc_schedule_on_exec_ctx),
       &pr.response);
   grpc_resource_quota_unref_internal(&exec_ctx, resource_quota);
   grpc_exec_ctx_flush(&exec_ctx);
diff --git a/test/core/util/test_tcp_server.c b/test/core/util/test_tcp_server.c
index 7058cdf321..d3a1de8a3b 100644
--- a/test/core/util/test_tcp_server.c
+++ b/test/core/util/test_tcp_server.c
@@ -42,7 +42,7 @@ void test_tcp_server_init(test_tcp_server *server,
                           grpc_tcp_server_cb on_connect, void *user_data) {
   grpc_init();
   server->tcp_server = NULL;
-  grpc_closure_init(&server->shutdown_complete, on_server_destroyed, server,
+  GRPC_CLOSURE_INIT(&server->shutdown_complete, on_server_destroyed, server,
                     grpc_schedule_on_exec_ctx);
   server->shutdown = 0;
   server->pollset = gpr_zalloc(grpc_pollset_size());
@@ -101,7 +101,7 @@ void test_tcp_server_destroy(test_tcp_server *server) {
   gpr_timespec shutdown_deadline;
   grpc_closure do_nothing_cb;
   grpc_tcp_server_unref(&exec_ctx, server->tcp_server);
-  grpc_closure_init(&do_nothing_cb, do_nothing, NULL,
+  GRPC_CLOSURE_INIT(&do_nothing_cb, do_nothing, NULL,
                     grpc_schedule_on_exec_ctx);
   shutdown_deadline = gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC),
                                    gpr_time_from_seconds(5, GPR_TIMESPAN));
@@ -110,7 +110,7 @@ void test_tcp_server_destroy(test_tcp_server *server) {
     test_tcp_server_poll(server, 1);
   }
   grpc_pollset_shutdown(&exec_ctx, server->pollset,
-                        grpc_closure_create(finish_pollset, server->pollset,
+                        GRPC_CLOSURE_CREATE(finish_pollset, server->pollset,
                                             grpc_schedule_on_exec_ctx));
   grpc_exec_ctx_finish(&exec_ctx);
   gpr_free(server->pollset);
diff --git a/test/core/util/trickle_endpoint.c b/test/core/util/trickle_endpoint.c
index af4c003f80..4f3c30dcf6 100644
--- a/test/core/util/trickle_endpoint.c
+++ b/test/core/util/trickle_endpoint.c
@@ -55,7 +55,7 @@ static void maybe_call_write_cb_locked(grpc_exec_ctx *exec_ctx,
                                        trickle_endpoint *te) {
   if (te->write_cb != NULL && (te->error != GRPC_ERROR_NONE ||
                                te->write_buffer.length <= WRITE_BUFFER_SIZE)) {
-    grpc_closure_sched(exec_ctx, te->write_cb, GRPC_ERROR_REF(te->error));
+    GRPC_CLOSURE_SCHED(exec_ctx, te->write_cb, GRPC_ERROR_REF(te->error));
     te->write_cb = NULL;
   }
 }
@@ -176,7 +176,7 @@ size_t grpc_trickle_endpoint_trickle(grpc_exec_ctx *exec_ctx,
       te->last_write = now;
       grpc_endpoint_write(
           exec_ctx, te->wrapped, &te->writing_buffer,
-          grpc_closure_create(te_finish_write, te, grpc_schedule_on_exec_ctx));
+          GRPC_CLOSURE_CREATE(te_finish_write, te, grpc_schedule_on_exec_ctx));
       maybe_call_write_cb_locked(exec_ctx, te);
     }
   }