1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#include "lint.h"
28#include "thr_uberdata.h"
29#include <sys/types.h>
30#include <sys/time.h>
31#include <errno.h>
32#include <synch.h>
33#include <sys/synch32.h>
34#include <sys/lwp.h>
35
36int
37_lwp_mutex_lock(mutex_t *mp)
38{
39	if (set_lock_byte(&mp->mutex_lockw) == 0)
40		return (0);
41	return (___lwp_mutex_timedlock(mp, NULL, NULL));
42}
43
44int
45_lwp_mutex_trylock(mutex_t *mp)
46{
47	if (set_lock_byte(&mp->mutex_lockw) == 0)
48		return (0);
49	return (EBUSY);
50}
51
52int
53_lwp_sema_init(lwp_sema_t *sp, int count)
54{
55	sp->sema_count = count;
56	sp->sema_waiters = 0;
57	sp->type = USYNC_PROCESS;
58	return (0);
59}
60
61int
62_lwp_sema_wait(lwp_sema_t *sp)
63{
64	return (___lwp_sema_timedwait(sp, NULL, 0));
65}
66
67int
68_lwp_suspend(lwpid_t lwpid)
69{
70	extern int ___lwp_suspend(lwpid_t);
71	return (___lwp_suspend(lwpid));
72}
73