1 /* 2 * Copyright (c) 2021-2021 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_THREAD_H 17 #define HISTREAMER_FOUNDATION_OSAL_THREAD_H 18 19 #include <functional> 20 #include <memory> // NOLINT 21 #include <pthread.h> 22 #include <string> 23 24 namespace OHOS { 25 namespace Media { 26 namespace OSAL { 27 enum class ThreadPriority : int { 28 LOW = 9, 29 NORMAL = 16, 30 MIDDLE = 24, 31 HIGH = 32, 32 HIGHEST = 39, 33 }; 34 35 class Thread { 36 public: 37 explicit Thread(ThreadPriority priority = ThreadPriority::HIGH) noexcept; 38 39 Thread(const Thread&) = delete; 40 41 Thread& operator=(const Thread&) = delete; 42 43 Thread(Thread&& other) noexcept; 44 45 Thread& operator=(Thread&& other) noexcept; 46 47 virtual ~Thread() noexcept; 48 49 bool HasThread() const noexcept; 50 51 void SetName(const std::string& name); 52 53 bool CreateThread(const std::function<void()>& func); 54 55 private: 56 struct State { 57 virtual ~State() = default; 58 std::function<void()> func{}; 59 std::string name; 60 }; 61 62 void SetNameInternal(); 63 static void* Run(void* arg); // NOLINT: void* 64 65 pthread_t id_{}; 66 std::string name_; 67 ThreadPriority priority_; 68 std::unique_ptr<State> state_{}; 69 }; 70 } // namespace OSAL 71 } // namespace Media 72 } // namespace OHOS 73 #endif // HISTREAMER_FOUNDATION_OSAL_THREAD_H 74