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 #ifndef DISTRIBUTED_HARDWARE_FWK_MONITOR_TASK_TIMER_H 17 #define DISTRIBUTED_HARDWARE_FWK_MONITOR_TASK_TIMER_H 18 19 #include <condition_variable> 20 #include <cstdint> 21 #include <memory> 22 #include <mutex> 23 #include <thread> 24 25 #include "event_handler.h" 26 27 #include "single_instance.h" 28 29 namespace OHOS { 30 namespace DistributedHardware { 31 class MonitorTaskTimer { 32 DECLARE_SINGLE_INSTANCE_BASE(MonitorTaskTimer); 33 public: 34 ~MonitorTaskTimer(); 35 void StartTimer(); 36 void StopTimer(); 37 void StartEventRunner(); 38 39 private: 40 MonitorTaskTimer(); 41 void Execute(const std::shared_ptr<OHOS::AppExecFwk::EventHandler> eventHandler); 42 void InitTimer(); 43 void ReleaseTimer(); 44 45 private: 46 std::thread eventHandlerThread_; 47 std::mutex monitorTaskTimerMutex_; 48 std::condition_variable monitorTaskTimerCond_; 49 std::shared_ptr<OHOS::AppExecFwk::EventHandler> eventHandler_; 50 }; 51 } // namespace DistributedHardware 52 } // namespace OHOS 53 #endif 54