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 <pthread.h> 23 24 #include <grpc/support/port_platform.h> 25 #include <grpc/support/sync_generic.h> 26 27 #ifdef GRPC_ASAN_ENABLED 28 /* The member |leak_checker| is used to check whether there is a memory leak 29 * caused by upper layer logic that's missing the |gpr_xx_destroy| call 30 * to the object before freeing it. 31 * This issue was reported at https://github.com/grpc/grpc/issues/17563 32 * and discussed at https://github.com/grpc/grpc/pull/17586 33 */ 34 typedef struct { 35 pthread_mutex_t mutex; 36 int* leak_checker; 37 } gpr_mu; 38 39 typedef struct { 40 pthread_cond_t cond_var; 41 int* leak_checker; 42 } gpr_cv; 43 #else 44 typedef pthread_mutex_t gpr_mu; 45 typedef pthread_cond_t gpr_cv; 46 #endif 47 typedef pthread_once_t gpr_once; 48 49 #define GPR_ONCE_INIT PTHREAD_ONCE_INIT 50 51 #endif /* GRPC_SUPPORT_SYNC_POSIX_H */ 52