主窗口退出时等待工作线程退出

CMyView::OnDestroy()
... {
   m_pMyThread->PostThreadMessage (WM_QUIT,0,0);//a work thread with UI pump 
   DWORD ret;
    bool quit=false;
    int quitwparam=0;
    bool bThreadEnd = false;
    do
   ...{

        ret = ::MsgWaitForMultipleObjects(1, &m_hThread, FALSE, 

            INFINITE, QS_ALLINPUT);

        if (ret != WAIT_OBJECT_0)

        ...{

            MSG msg;
            while(::PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE)) 
            ...{
                //do not feed WM_QUIT into the message pump!
                if(WM_QUIT==msg.message)
                ...{
                    GetMessage(&msg,0,0,0);//do not feed WM_QUIT into the message pump!
                    quit=true;
                    quitwparam=(int)msg.wParam;
                }
                else
                ...{
                    VERIFY(AfxGetApp ()->PumpMessage ());
                }
                //if(WAIT_OBJECT_0 == WaitForSingleObject(m_hThread, 0))
               // {
                    //bThreadEnd = true;
                    //break;
               // }

            }

        }

    } while ((ret != WAIT_OBJECT_0) && (ret != WAIT_FAILED));
    if(quit)
          PostQuitMessage(quitwparam);

    VERIFY(CloseHandle(m_hThread));
    m_hThread=0;    

}

 

 

 

Refer to:

First Aid for the Thread-Impaired: Using Multiple Threads with MFC

More First Aid for the Thread Impaired: Cool Ways to Take Advantage of Multithreading

Waiting for a thread to terminate