sem_timedwait()

[Stefan Farfeleder]

On Tue, Feb 03, 2004 at 01:14:22AM -0500, Daniel Eischen wrote:
> We need a prototype for sem_timedwait().  Here's a patch, but it doesn't
> seem to be consistent WRT __restrict.  Does someone want to take a look
> at the POSIX specs (www.opengroup.org) and see if this is correct?
> 
> Index: semaphore.h
> ===================================================================
> RCS file: /opt/FreeBSD/cvs/src/sys/posix4/semaphore.h,v
> retrieving revision 1.9
> diff -u -r1.9 semaphore.h
> --- semaphore.h	4 Oct 2002 21:31:33 -0000	1.9
> +++ semaphore.h	3 Feb 2004 00:40:12 -0000
> @@ -54,6 +54,7 @@
>  int	 sem_init(sem_t *, int, unsigned int);
>  sem_t	*sem_open(const char *, int, ...);
>  int	 sem_post(sem_t *);
> +int	 sem_timedwait(sem_t * __restrict, struct timespec * __restrict);

According to SUSv3 the second parameter's type should be
'const struct timespec * restrict'.  restrict-wise it's correct.

Cheers,
Stefan