多線程信號量

用SetEvent()或PulseEvent()來設置它使其有信號,用ResetEvent() 來使其無信號,用WaitForSingleObject()或WaitForMultipleObjects()來等待 其變爲有信號.安全 相關函數 WaitForSingleObject DWORD WaitForSingleObject( HANDLE hHandle, DWORD dwMillis

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