WaitForSingleObjects with timeout = 0

Question

Does WaitForSingleObject() with timeout = 0 ms result in thread context switch immediately and the thread to loose its remaining timeslice?

Answer 1

If the handle is signaled it does not enter a waite state ever. And if the dwMilliseconds parameter is 0 it will not enter the wait state even if it is not signaled.

Regarding its second param: dwMilliseconds MSDN says the following:

... if dwMilliseconds is zero, the function does not enter a wait state if the object is not signaled; it always returns immediately...

Answer 2

The documentation says otherwise. MSDN: WatiForSingleObject:

If dwMilliseconds is zero, the function does not enter a wait state if the object is not signaled; it always returns immediately.