1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef SEC_UTILS_COMMON_MUTEX_H 17 #define SEC_UTILS_COMMON_MUTEX_H 18 19 #include <pthread.h> 20 21 #include "utils_log.h" 22 23 #define MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER 24 #define RECURSIVE_MUTEX_INITIALIZER PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP 25 26 #define INITED_MUTEX \ 27 { \ 28 MUTEX_INITIALIZER \ 29 } 30 31 #define IRECURSIVE_INITED_MUTEX \ 32 { \ 33 PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP \ 34 } 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 typedef struct Mutex { 41 pthread_mutex_t mutex; 42 } Mutex; 43 InitMutex(Mutex * mutex)44inline static void InitMutex(Mutex *mutex) 45 { 46 (void)pthread_mutex_init(&mutex->mutex, NULL); 47 } 48 InitRecursiveMutex(Mutex * mutex)49inline static void InitRecursiveMutex(Mutex *mutex) 50 { 51 pthread_mutexattr_t attr; 52 pthread_mutexattr_init(&attr); 53 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); 54 (void)pthread_mutex_init(&mutex->mutex, &attr); 55 } 56 LockMutex(Mutex * mutex)57inline static void LockMutex(Mutex *mutex) 58 { 59 int ret = pthread_mutex_lock(&(mutex->mutex)); 60 if (ret != 0) { 61 SECURITY_LOG_ERROR("pthread_mutex_lock error"); 62 } 63 } 64 UnlockMutex(Mutex * mutex)65inline static void UnlockMutex(Mutex *mutex) 66 { 67 int ret = pthread_mutex_unlock(&(mutex->mutex)); 68 if (ret != 0) { 69 SECURITY_LOG_ERROR("pthread_mutex_unlock error"); 70 } 71 } 72 73 #ifdef __cplusplus 74 } 75 #endif 76 77 #endif // SEC_UTILS_COMMON_MUTEX_H 78