Subj : Re: waitformultipleobjects() on several semaphores ?
To   : comp.programming.threads
From : Joseph Seigh
Date : Fri Feb 04 2005 02:41 pm

On Fri, 4 Feb 2005 19:34:37 +0100, mandatory <okllsam@nptklooohs.ru> wrote:

> I have this array "semaphores" which contains 4 valid handles for 4
> sempahores:
>
>     HANDLE semaphores[4];
>
>
> In ThreadA i have a wait:
>
> dwStatus = WaitForMultipleObjects (4, semaphores, FALSE, INFINITE);
>
> If one semaphore is signalled, then it is ok - i get the dwStatus value of
> the semphore which was signalled.
>
> The problem i think im experiencing, is what if 2 semaphores are signalled
> at the same time ?
>
You're only going to see one semaphore signaled at a time.  To see the
signal from the other semaphore, you'll have to reinvoke WaitForMultipleObjects.


-- 
Joe Seigh

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