/* * 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. */ #include "lint.h" #include #include #include #include #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); }