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 #include "hks_mutex.h" 17 18 #include <pthread.h> 19 20 #include "hks_mem.h" 21 22 struct HksMutex { 23 pthread_mutex_t mutex; 24 }; 25 HksMutexCreate(void)26HksMutex *HksMutexCreate(void) 27 { 28 HksMutex *mutex = (HksMutex *)HksMalloc(sizeof(HksMutex)); 29 if (mutex != NULL) { 30 int result = pthread_mutex_init(&mutex->mutex, NULL); 31 if (result != 0) { 32 HksFree(mutex); 33 mutex = NULL; 34 } 35 } 36 return mutex; 37 } 38 HksMutexLock(HksMutex * mutex)39int32_t HksMutexLock(HksMutex *mutex) 40 { 41 if (mutex == NULL) { 42 return -1; 43 } 44 45 return pthread_mutex_lock(&mutex->mutex); 46 } 47 HksMutexUnlock(HksMutex * mutex)48int32_t HksMutexUnlock(HksMutex *mutex) 49 { 50 if (mutex == NULL) { 51 return -1; 52 } 53 54 return pthread_mutex_unlock(&mutex->mutex); 55 } 56 HksMutexClose(HksMutex * mutex)57void HksMutexClose(HksMutex *mutex) 58 { 59 if (mutex == NULL) { 60 return; 61 } 62 63 pthread_mutex_destroy(&mutex->mutex); 64 HksFree(mutex); 65 } 66