Re: Is pthread_attr_setschedparam() not supported?

["Gerrit P. Haase" <gerrit at familiehaase dot de>]

Gerrit P. Haase wrote:

> Corinna Vinschen wrote:
>
> > On May 22 15:04, Gerrit P. Haase wrote:
> >
> > > And why is this in /usr/include/sys/features.h:87 then:
> > > # define _POSIX_THREAD_PRIORITY_SCHEDULING    1
> > > ?
> >
> >
> >
> > Yup, you're right, I just replied without looking into the source first
> > (which, btw., is always a good way of figuring stuff out by yourself,
> > really).
> >
> > pthread_attr_setschedparam is supported and ENOTSUPP is returned if the
> > sched_priority member is not in the range -14 - 15.
>
>
> What is the difference between 14 and 15?  I see in the NSRP source that
> it is hardcoded to 10 for Neutrino systems, what do you think is better,
> set it to 14 or to 15?

Actually it is the NSPR - Netscape Portable Ryntime.  I guess one of the
two values indicates a higher priority, anyway, if I hardcode the return
value it should be the same to define it with 14 or 15.

Gerrit
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