1 /* 2 * Copyright (c) 2021-2023 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 HISTREAMER_FOUNDATION_OSAL_MUTEX_H 17 #define HISTREAMER_FOUNDATION_OSAL_MUTEX_H 18 19 #ifdef MEDIA_FOUNDATION_FFRT 20 #include "ffrt_inner.h" 21 #else 22 #include <pthread.h> 23 #endif 24 25 namespace OHOS { 26 namespace Media { 27 28 #ifdef MEDIA_FOUNDATION_FFRT 29 using Mutex = ffrt::mutex; 30 #else 31 class Mutex { 32 public: 33 Mutex(); 34 35 virtual ~Mutex(); 36 37 Mutex(const Mutex&) = delete; 38 39 Mutex operator=(const Mutex&) = delete; 40 41 void lock(); 42 43 bool try_lock(); 44 45 void unlock(); 46 47 private: 48 pthread_mutex_t nativeHandle_; 49 bool created_; 50 friend class ConditionVariable; 51 }; 52 #endif 53 } // namespace Media 54 } // namespace OHOS 55 #endif // HISTREAMER_FOUNDATION_OSAL_MUTEX_H 56