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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "lint.h"
#include <synch.h>
#include <time.h>
#include <errno.h>
#include <sys/syscall.h>
#define SUBSYS_lwp_rwlock_rdlock 0
#define SUBSYS_lwp_rwlock_wrlock 1
#define SUBSYS_lwp_rwlock_tryrdlock 2
#define SUBSYS_lwp_rwlock_trywrlock 3
#define SUBSYS_lwp_rwlock_unlock 4
int
__lwp_rwlock_rdlock(rwlock_t *rwl, timespec_t *tsp)
{
sysret_t rval;
int error;
error = __systemcall(&rval, SYS_lwp_rwlock_sys,
SUBSYS_lwp_rwlock_rdlock, rwl, tsp);
if (error == ERESTART)
error = EINTR;
return (error);
}
int
__lwp_rwlock_wrlock(rwlock_t *rwl, timespec_t *tsp)
{
sysret_t rval;
int error;
error = __systemcall(&rval, SYS_lwp_rwlock_sys,
SUBSYS_lwp_rwlock_wrlock, rwl, tsp);
if (error == ERESTART)
error = EINTR;
return (error);
}
int
__lwp_rwlock_tryrdlock(rwlock_t *rwl)
{
sysret_t rval;
int error;
error = __systemcall(&rval, SYS_lwp_rwlock_sys,
SUBSYS_lwp_rwlock_tryrdlock, rwl);
if (error == ERESTART)
error = EINTR;
return (error);
}
int
__lwp_rwlock_trywrlock(rwlock_t *rwl)
{
sysret_t rval;
int error;
error = __systemcall(&rval, SYS_lwp_rwlock_sys,
SUBSYS_lwp_rwlock_trywrlock, rwl);
if (error == ERESTART)
error = EINTR;
return (error);
}
int
__lwp_rwlock_unlock(rwlock_t *rwl)
{
sysret_t rval;
int error;
error = __systemcall(&rval, SYS_lwp_rwlock_sys,
SUBSYS_lwp_rwlock_unlock, rwl);
if (error == ERESTART)
error = EINTR;
return (error);
}
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