1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2011 Ed Schouten <ed@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31#include <sys/cdefs.h>
32__FBSDID("$FreeBSD$");
33
34#include <errno.h>
35#include <pthread.h>
36
37#include "threads.h"
38
39int
40cnd_broadcast(cnd_t *cond)
41{
42
43	if (pthread_cond_broadcast(cond) != 0)
44		return (thrd_error);
45	return (thrd_success);
46}
47
48void
49cnd_destroy(cnd_t *cond)
50{
51
52	(void)pthread_cond_destroy(cond);
53}
54
55int
56cnd_init(cnd_t *cond)
57{
58
59	switch (pthread_cond_init(cond, NULL)) {
60	case 0:
61		return (thrd_success);
62	case ENOMEM:
63		return (thrd_nomem);
64	default:
65		return (thrd_error);
66	}
67}
68
69int
70cnd_signal(cnd_t *cond)
71{
72
73	if (pthread_cond_signal(cond) != 0)
74		return (thrd_error);
75	return (thrd_success);
76}
77
78int
79cnd_timedwait(cnd_t *restrict cond, mtx_t *restrict mtx,
80    const struct timespec *restrict ts)
81{
82
83	switch (pthread_cond_timedwait(cond, mtx, ts)) {
84	case 0:
85		return (thrd_success);
86	case ETIMEDOUT:
87		return (thrd_timedout);
88	default:
89		return (thrd_error);
90	}
91}
92
93int
94cnd_wait(cnd_t *cond, mtx_t *mtx)
95{
96
97	if (pthread_cond_wait(cond, mtx) != 0)
98		return (thrd_error);
99	return (thrd_success);
100}
101