Epoll 模式代码

EventPolloer
{
	rhandlers;
	whandlers;
	register(fd,r,handler)
		{
		  
		  if(r)
		  {
			rhandlers[fd] = handler;
		  }else 
		  {
			whandlers[fd] = handler;
		  }
		}
	poller()
	{
		events [];
		fds = epoll_wait(events)
		for(i...)
		{
		   event[i]&EPOLLERR|EPOLLHUP?this->triggerError(fd)
		   event[i]&EPOLLIN? this->triggerRead(fd)
		   event[i]&EPOLLOUT? this->triggerWrite(fd)
		}
	}

	triggerRead(fd)
	{
		trigger(fd,rhandlers)
	}
	triggerWrite(fd)
	{
		trigger(fd,whandlers)
	}
	triggerError(fd)
	{
		if(!triggerRead(fd))
			triggerWrite(fd);
	}
	trigger(fd,handlers)
	{
		handlers[fd].handle();
	}
}