[techtalk] SMP/threaded programming

Serena Del Bianco serena at serena.dhis.org
Wed Oct 20 21:20:14 EST 1999


On Fri, 22 Oct 1999, TeknoDragon wrote:

> On Wed, 20 Oct 1999, Serena Del Bianco wrote:
> 
> yes, I understand SMP programming concepts...
> 
> as I said, I was assuming I could garuntee testset was an *atomic*
> function... i.e. indivisible and possibly smaller than the timeslice of a
> scheduler... like a few i/o functions... (don't care to look them up now)
> 
> I'd probably have to look over the SMP kernel source and see what they use
> for semaphores...
> 

Have a look at spinlock.h

"lock ; btsl $0,%0\n\t" 

dunno if that's what you're looking for...


Serena


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