Re: Use semaphore for producer/consumer case...

From: Stelian Pop (stelian.pop@fr.alcove.com)
Date: Mon Mar 26 2001 - 09:54:25 EST

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On Fri, Mar 23, 2001 at 07:34:07PM +0100, Manfred Spraul wrote:
> > consumer()
>
> > /* Let's wait for 10 items */
> > atomic_set(&sem->count, -10);
>
> That doesn't work, at least the i386 semaphore implementation doesn't
> support semaphore counts < 0.

Does that mean that kernel semaphore can not be used for something
else than mutual exclusion ?

Stelian.

-- 
Stelian Pop <stelian.pop@fr.alcove.com>
|------------- Ingénieur Informatique Libre --------------|
| Alcôve - http://www.alcove.com - Tel: +33 1 49 22 68 00 |
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