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 <errno.h>
32#include <pthread.h>
33
34#include "threads.h"
35
36int
37cnd_broadcast(cnd_t *cond)
38{
39
40	if (pthread_cond_broadcast(cond) != 0)
41		return (thrd_error);
42	return (thrd_success);
43}
44
45void
46cnd_destroy(cnd_t *cond)
47{
48
49	(void)pthread_cond_destroy(cond);
50}
51
52int
53cnd_init(cnd_t *cond)
54{
55
56	switch (pthread_cond_init(cond, NULL)) {
57	case 0:
58		return (thrd_success);
59	case ENOMEM:
60		return (thrd_nomem);
61	default:
62		return (thrd_error);
63	}
64}
65
66int
67cnd_signal(cnd_t *cond)
68{
69
70	if (pthread_cond_signal(cond) != 0)
71		return (thrd_error);
72	return (thrd_success);
73}
74
75int
76cnd_timedwait(cnd_t *restrict cond, mtx_t *restrict mtx,
77    const struct timespec *restrict ts)
78{
79
80	switch (pthread_cond_timedwait(cond, mtx, ts)) {
81	case 0:
82		return (thrd_success);
83	case ETIMEDOUT:
84		return (thrd_timedout);
85	default:
86		return (thrd_error);
87	}
88}
89
90int
91cnd_wait(cnd_t *cond, mtx_t *mtx)
92{
93
94	if (pthread_cond_wait(cond, mtx) != 0)
95		return (thrd_error);
96	return (thrd_success);
97}
98