1 /* 2 * Copyright (C) 2024 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 OHOS_SAMGR_TIME_HANDLER_H 17 #define OHOS_SAMGR_TIME_HANDLER_H 18 19 #include <thread> 20 #include <string> 21 #include <functional> 22 #include <sys/epoll.h> 23 #include <signal.h> 24 #include <sys/timerfd.h> 25 #include <sys/time.h> 26 #include <errno.h> 27 #include <unistd.h> 28 #include <concurrent_map.h> 29 #include <atomic> 30 namespace OHOS { 31 class SamgrTimeHandler { 32 public: 33 typedef std::function<void()> TaskType; 34 ~SamgrTimeHandler(); 35 static SamgrTimeHandler* GetInstance(); 36 bool PostTask(TaskType func, uint64_t delayTime); 37 38 private: 39 SamgrTimeHandler(); 40 class Deletor { 41 public: ~Deletor()42 ~Deletor() 43 { 44 if (nullptr != SamgrTimeHandler::singleton) { 45 delete SamgrTimeHandler::singleton; 46 SamgrTimeHandler::singleton = nullptr; 47 } 48 } 49 }; 50 void StartThread(); 51 void OnTime(SamgrTimeHandler &handle, int number, struct epoll_event events[]); 52 int CreateAndRetry(); 53 54 private: 55 int epollfd = -1; 56 ConcurrentMap <uint32_t, TaskType> timeFunc; 57 static SamgrTimeHandler* volatile singleton; 58 static Deletor deletor; 59 }; 60 } // namespace OHOS 61 #endif // OHOS_SAMGR_TIME_HANDLER_H