1 /* 2 * Copyright (c) 2025 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 #ifndef AUDIO_SCOPE_EXIT_H 16 #define AUDIO_SCOPE_EXIT_H 17 18 #include <functional> 19 20 namespace OHOS { 21 namespace AudioStandard { 22 class AudioScopeExit { 23 public: AudioScopeExit(std::function<void ()> && func)24 AudioScopeExit(std::function<void()> &&func) : func_(std::move(func)) 25 {} 26 Relase()27 void Relase() 28 { isReleased_ = true; } 29 ~AudioScopeExit()30 ~AudioScopeExit() 31 { 32 if (!isReleased_ && func_) { func_(); } 33 } 34 35 AudioScopeExit(const AudioScopeExit &) = delete; 36 AudioScopeExit &operator=(const AudioScopeExit &) = delete; 37 AudioScopeExit(AudioScopeExit &&) = delete; 38 AudioScopeExit &operator=(AudioScopeExit &&) = delete; 39 private: 40 bool isReleased_ = false; 41 const std::function<void()> func_{}; 42 }; 43 } // namespace AudioStandard 44 } // namespace OHOS 45 #endif // AUDIO_SCOPE_EXIT_H