2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2011 Ed Schouten <ed@FreeBSD.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
40 cnd_broadcast(cnd_t *cond)
43 if (pthread_cond_broadcast(cond) != 0)
45 return (thrd_success);
49 cnd_destroy(cnd_t *cond)
52 (void)pthread_cond_destroy(cond);
59 switch (pthread_cond_init(cond, NULL)) {
61 return (thrd_success);
70 cnd_signal(cnd_t *cond)
73 if (pthread_cond_signal(cond) != 0)
75 return (thrd_success);
79 cnd_timedwait(cnd_t *restrict cond, mtx_t *restrict mtx,
80 const struct timespec *restrict ts)
83 switch (pthread_cond_timedwait(cond, mtx, ts)) {
85 return (thrd_success);
87 return (thrd_timedout);
94 cnd_wait(cnd_t *cond, mtx_t *mtx)
97 if (pthread_cond_wait(cond, mtx) != 0)
99 return (thrd_success);