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