1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
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
29#include <sys/cdefs.h>
30#include <errno.h>
31#include <pthread.h>
32
33#include "threads.h"
34
35int
36cnd_broadcast(cnd_t *cond)
37{
38
39	if (pthread_cond_broadcast(cond) != 0)
40		return (thrd_error);
41	return (thrd_success);
42}
43
44void
45cnd_destroy(cnd_t *cond)
46{
47
48	(void)pthread_cond_destroy(cond);
49}
50
51int
52cnd_init(cnd_t *cond)
53{
54
55	switch (pthread_cond_init(cond, NULL)) {
56	case 0:
57		return (thrd_success);
58	case ENOMEM:
59		return (thrd_nomem);
60	default:
61		return (thrd_error);
62	}
63}
64
65int
66cnd_signal(cnd_t *cond)
67{
68
69	if (pthread_cond_signal(cond) != 0)
70		return (thrd_error);
71	return (thrd_success);
72}
73
74int
75cnd_timedwait(cnd_t *restrict cond, mtx_t *restrict mtx,
76    const struct timespec *restrict ts)
77{
78
79	switch (pthread_cond_timedwait(cond, mtx, ts)) {
80	case 0:
81		return (thrd_success);
82	case ETIMEDOUT:
83		return (thrd_timedout);
84	default:
85		return (thrd_error);
86	}
87}
88
89int
90cnd_wait(cnd_t *cond, mtx_t *mtx)
91{
92
93	if (pthread_cond_wait(cond, mtx) != 0)
94		return (thrd_error);
95	return (thrd_success);
96}
97