Re: [PATCH] syscall interface for cpu affinity

Andreas Ferber (aferber@techfak.uni-bielefeld.de)
Mon, 11 Mar 2002 00:56:19 +0100

On Sun, Mar 10, 2002 at 10:03:02PM +0100, Andreas Jaeger wrote:
> >
> > Note you can use the syscall interface with existing programs, too.
> > Just write a program to take in a pid and mask and call
> > sched_set_affinity.
> What I need at the moment is a wrapper - and you can do it two ways:
>
> $ run_with_affinity 1 program arguments...
> $ (cat 1 > /proc/self/affinity; program arguments...)
>
> The second one is much easier coded ;-)

$ (set_affinity 1; program arguments...)

set_affinity just calls sched_set_affinity(getppid()), and everything
is fine (and even shorter to type) :-)

Andreas

-- 
       Andreas Ferber - dev/consulting GmbH - Bielefeld, FRG
     ---------------------------------------------------------
         +49 521 1365800 - af@devcon.net - www.devcon.net
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