> > > 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 ?
> >
> It's a bit better: counts >= 0 are supported, i.e. you can call up()
> before down(), and that's used in several places.
I see... it's somewhat different than the classical semaphore
implementation, but usable anyway.
> The for loop that Nigel proposed should solve your problem. Multiple
> up's are handled correctly.
Now I understand his suggestion. Thanks to both of you.
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/