Re: Cygwin: Implement sched_[gs]etaffinity() commit breaks RTEMS port

[Sebastian Huber <sebastian dot huber at embedded-brains dot de>]

On 26/06/2019 15:12, Corinna Vinschen wrote:
> On Jun 26 13:05, Sebastian Huber wrote:
> > On 26/06/2019 11:37, Corinna Vinschen wrote:
> > > On Jun 26 10:24, Sebastian Huber wrote:
> > > > Hello,
> > > >
> > > > the following commit:
> > > >
> > > > commit 641ecb07533e85211b6abce334c85967f3f90209
> > > > Author: Mark Geisert<mark@maxrnd.com>
> > > > Date:   Sun Jun 23 14:51:06 2019 -0700
> > > >
> > > >       Cygwin: Implement sched_[gs]etaffinity()
> > > > [...]
> > > > breaks the RTEMS port:
> > > > [...]
> > > Looks like Cygwin has to define its own sys/cpuset.h included via
> > > sys/_pthreadtypes.h.
> >
> > Yes, something like this. The RTEMS <sys/cpuset.h> is based on the FreeBSD
> > implementation and should be compatible to the Linux API. Maybe it can move
> > out of the RTEMS area into the global Newlib area.
>
> I'm not so sure, given the different names of macros and types used
> inside cpu_set_t.  The new functions inside Cygwin rely on that.

How do you implement this API in Cygwin:

http://man7.org/linux/man-pages/man3/CPU_SET.3.html

I think the RTEMS <sys/cpuset.h> implementation should cover it.

> I prep'ed a patch to move the Cygwin-specific definitions out of the
> way, can you please test it on RTEMS?  It's attached to this mail.

Thanks, this fixes the build problem for RTEMS.

--
Sebastian Huber, embedded brains GmbH

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