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Re: [PATCH] Fix _SC_xxx and _POSIX_xxx definitions
On Feb 7 07:36, Ralf Corsepius wrote:
> As long as all non-POSIX (e.g. Cygwin-specific) _SC_xxx definitions are
> properly guarded, adding POSIX-compliant _SC_xxx definitions is fine
> with us - As far as can tell Corinna's patch seem OK for us.
Uh, there's one problem here. There are four definitions which are
non-POSIX:
/* CYGWIN-specific values .. do not touch */
#define _SC_NPROCESSORS_CONF 9
#define _SC_NPROCESSORS_ONLN 10
#define _SC_PHYS_PAGES 11
#define _SC_AVPHYS_PAGES 12
/* end of CYGWIN-specific values */
These have been added back in 2000, and they were never guarded with
an `#ifdef __CYGWIN__'. All four values are supported by Linux, FWIW.
When I patched sys/unistd.h yesterday, I contemplated the idea to
guard them. However, since they were *never guarded, I don't know
if they aren't actually supported by RTEMS. That's why I left them
unguarded. Is that ok with you?
Corinna
--
Corinna Vinschen
Cygwin Project Co-Leader
Red Hat