Messages in this thread | | | Date | Mon, 26 Mar 2001 16:54:25 +0200 | From | Stelian Pop <> | Subject | Re: Use semaphore for producer/consumer case... |
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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 | |----------- Alcôve, l'informatique est libre ------------| - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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