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/* sem_trywait -- wait on a semaphore. OpenSolaris version.
Copyright (C) 2003, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003.
OpenSolaris bits contributed by David Bartley
<dtbartle@csclub.uwaterloo.ca>, 2008.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <sysdep.h>
#include <semaphore.h>
#include <inline-syscall.h>
DECLARE_INLINE_SYSCALL (int, lwp_sema_trywait, sem_t *sp);
int
__new_sem_trywait (sem_t *sem)
{
int errval = INLINE_SYSCALL (lwp_sema_trywait, 1, sem);
if (errval == EBUSY)
errval = EAGAIN;
if (errval != 0)
{
__set_errno (errval);
return -1;
}
return 0;
}
weak_alias (__new_sem_trywait, sem_trywait)
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