99 lines
2.3 KiB
C
99 lines
2.3 KiB
C
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#ifndef HGL_EVENT_ASYNC_INCLUDE
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#define HGL_EVENT_ASYNC_INCLUDE
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#include<hgl/event/EventProc.h>
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#include<hgl/thread/SwapData.h>
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#include<hgl/thread/Thread.h>
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#include<hgl/Time.h>
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namespace hgl
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{
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using MTEventProcQueue=SemSwapData<EventProcQueue>;
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using MTEventProcPost=PostToSemSwapData<EventProcQueue>; ///<多线程事件结果投递对象重定义
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/**
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* 增加事件到异步事件队列
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* @param queue 事件队列
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* @param event 事件
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*/
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inline void AddToAsyncEventQueue(MTEventProcQueue *queue,EventProc *event)
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{
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if(!queue||!event)
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return;
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//该模板会自动加锁，在释构时自动解锁，并释放信号
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MTEventProcPost epq(queue);
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epq->Push(event);
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}
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/**
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* 刷新异步执行事件队列
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* @param proc_queue 要执行的事件队列
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* @param wait 是否等待有事件
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* @return -1 出错
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* @return >=0 执行的事件数量
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*/
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inline int UpdateAsyncEventQueue(MTEventProcQueue *proc_queue,bool wait=false)
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{
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if(!proc_queue)
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return(-1);
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if(wait)
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{
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if(!proc_queue->WaitSemSwap())
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return(0);
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}
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else
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{
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if(!proc_queue->TrySemSwap())
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return(0);
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}
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EventProcQueue &epq=proc_queue->GetReceive();
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return UpdateEventQueue(&epq);
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}
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/**
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* 异步事件异步执行线程
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*/
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class EventThread:public Thread
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{
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MTEventProcQueue *event_proc_queue;
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public:
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EventThread(MTEventProcQueue *queue):event_proc_queue(queue){}
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virtual ~EventThread()=default;
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bool Execute() override
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{
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if(!event_proc_queue)
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return(false);
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UpdateAsyncEventQueue(event_proc_queue,true);
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return(true);
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}
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};//class EventThread:public Thread
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/* 使用范例
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// 公用部分
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MTEventProcQueue event_queue; ///<事件队列
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// 其它 thread
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class MyEvent:public EventProc{...}; //自有事件
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AddToEventQueue(&event_queue,new MyEvent); //添加一个事件到事件队列
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// 事件执行线程
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EventThread *et=new EventThread(&event_queue);
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et->Start();
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*/
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}//namespace hgl
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#endif//HGL_EVENT_ASYNC_INCLUDE
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