1 /* 2 * Copyright (c) 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 LE_EVENT_LOOP_H 17 #define LE_EVENT_LOOP_H 18 #include <unistd.h> 19 20 #include "le_task.h" 21 #include "le_utils.h" 22 #include "init_hashmap.h" 23 24 #ifdef __cplusplus 25 #if __cplusplus 26 extern "C" { 27 #endif 28 #endif 29 30 typedef struct EventLoop_ { 31 LE_STATUS (*close)(const struct EventLoop_ *loop); 32 LE_STATUS (*runLoop)(const struct EventLoop_ *loop); 33 LE_STATUS (*addEvent)(const struct EventLoop_ *loop, const BaseTask *task, int op); 34 LE_STATUS (*modEvent)(const struct EventLoop_ *loop, const BaseTask *task, int op); 35 LE_STATUS (*delEvent)(const struct EventLoop_ *loop, int fd, int op); 36 37 uint32_t maxevents; 38 uint32_t timeout; 39 uint32_t stop; 40 #ifdef LOOP_EVENT_USE_MUTEX 41 LoopMutex mutex; 42 #else 43 char mutex; 44 #endif 45 HashMapHandle taskMap; 46 } EventLoop; 47 48 LE_STATUS CloseLoop(EventLoop *loop); 49 LE_STATUS AddTask(EventLoop *loop, BaseTask *task); 50 BaseTask *GetTaskByFd(EventLoop *loop, int fd); 51 void DelTask(EventLoop *loop, BaseTask *task); 52 LE_STATUS ProcessEvent(const EventLoop *loop, int fd, uint32_t oper); 53 54 #ifdef __cplusplus 55 #if __cplusplus 56 } 57 #endif 58 #endif 59 60 #endif