1/*
2 *
3 * Copyright 2015 gRPC authors.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18
19#ifndef GRPC_IMPL_CODEGEN_SYNC_POSIX_H
20#define GRPC_IMPL_CODEGEN_SYNC_POSIX_H
21
22#include <grpc/impl/codegen/port_platform.h>
23
24#include <grpc/impl/codegen/sync_generic.h>
25
26#include <pthread.h>
27
28#ifdef GRPC_ASAN_ENABLED
29/* The member |leak_checker| is used to check whether there is a memory leak
30 * caused by upper layer logic that's missing the |gpr_xx_destroy| call
31 * to the object before freeing it.
32 * This issue was reported at https://github.com/grpc/grpc/issues/17563
33 * and discussed at https://github.com/grpc/grpc/pull/17586
34 */
35typedef struct {
36 pthread_mutex_t mutex;
37 int* leak_checker;
38} gpr_mu;
39
40typedef struct {
41 pthread_cond_t cond_var;
42 int* leak_checker;
43} gpr_cv;
44#else
45typedef pthread_mutex_t gpr_mu;
46typedef pthread_cond_t gpr_cv;
47#endif
48typedef pthread_once_t gpr_once;
49
50#define GPR_ONCE_INIT PTHREAD_ONCE_INIT
51
52#endif /* GRPC_IMPL_CODEGEN_SYNC_POSIX_H */
53

source code of include/grpc/impl/codegen/sync_posix.h