MsgWaitForMultipleObjects

最新推荐文章于 2023-02-16 15:22:06 发布

原创最新推荐文章于 2023-02-16 15:22:06 发布 · 295 阅读

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CC 4.0 BY-SA版权

本文介绍了一个基于Windows的消息循环实现方式，其中包括使用MsgWaitForMultipleObjects进行线程等待的具体逻辑。通过不同的等待结果，文章展示了如何处理线程退出、消息处理及超时警告的情况。

http://blog.youkuaiyun.com/wangweitingaabbcc/article/details/7904878

    do 
    {
        dwWait = MsgWaitForMultipleObjects(1,           //[in]nCount
                                        &hThread,       //[in]pHandles
                                        FALSE,          //[in]bWaitAll
                                        5000,           //[in]dwMilliseconds, wait 5 seconds
                                        QS_ALLINPUT);   //[in]dwWakeMask
        switch (dwWait)
        {
            case WAIT_OBJECT_0://thread exited      
                break;
            case WAIT_OBJECT_0 + 1:
            {
                MSG msg;
                while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
                {
                    if (msg.message != WM_QUIT)
                    {
                        TranslateMessage(&msg);
                        DispatchMessage(&msg);
                    }
                    else
                    {
                        break;
                    }
                }
            }break;
            case WAIT_TIMEOUT:
            {
                TRACE(_T("WARNING: Possible Deadlock detected! ThreadID: %d File: %s Line: %d\n"), GetCurrentThreadId(), _T(__FILE__), __LINE__);
            }break;
        }//switch(dwWait)
    } while (dwWait != WAIT_OBJECT_0);