针对多CEvent对象,WaitForMultipleObjects一直返回0,而不是1.......
针对多CEvent对象,WaitForMultipleObjects一直返回0,而不是1.......
试验了好多次,系统是2016server2 + vs2017. 奇怪了.............
main()
{
// TODO: 在此添加控件通知处理程序代码
m_hEvent[0] = CreateEvent(NULL, FALSE, FALSE, NULL);
m_hEvent[1] = CreateEvent(NULL, FALSE, FALSE, NULL);
SetEvent(m_hEvent[0]);
SetEvent(m_hEvent[1]);
CreateThread(NULL, 0, MyThreadProcWaitAll, this, 0, NULL);
}
DWORD WINAPI MyThreadProcWaitAll(LPVOID lpParam)
{
while (TRUE)
{ //每次等500毫秒
int nIndex = WaitForMultipleObjects(2, m_hEvent, TRUE, 5000);
spdlog::info("等待两个事件,nIndex = {} ", nIndex);
if (nIndex == WAIT_OBJECT_0 + 1)
{
spdlog::info("第二个事件发生, nIndex = {} ", nIndex);
break;
}
else if (nIndex == WAIT_OBJECT_0) //第一个事件发生
{
spdlog::info("第一个事件 , nIndex = {} ", nIndex);
break;
}
else if (nIndex == WAIT_TIMEOUT) //超时500毫秒
{
break;
}
}
spdlog::info("线程结束....");
return 0;
}