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_SUPPORT_SYNC_POSIX_H 20 #define GRPC_SUPPORT_SYNC_POSIX_H 21 22 #include <grpc/support/port_platform.h> 23 #include <grpc/support/sync_generic.h> 24 #include <pthread.h> 25 26 #ifdef GRPC_ASAN_ENABLED 27 /* The member |leak_checker| is used to check whether there is a memory leak 28 * caused by upper layer logic that's missing the |gpr_xx_destroy| call 29 * to the object before freeing it. 30 * This issue was reported at https://github.com/grpc/grpc/issues/17563 31 * and discussed at https://github.com/grpc/grpc/pull/17586 32 */ 33 typedef struct { 34 pthread_mutex_t mutex; 35 int* leak_checker; 36 } gpr_mu; 37 38 typedef struct { 39 pthread_cond_t cond_var; 40 int* leak_checker; 41 } gpr_cv; 42 #else 43 typedef pthread_mutex_t gpr_mu; 44 typedef pthread_cond_t gpr_cv; 45 #endif 46 typedef pthread_once_t gpr_once; 47 48 #define GPR_ONCE_INIT PTHREAD_ONCE_INIT 49 50 #endif /* GRPC_SUPPORT_SYNC_POSIX_H */ 51