1/*-
 2 * SPDX-License-Identifier: BSD-2-Clause
 3 *
 4 * Copyright (c) 2005 David Xu <davidxu@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#ifndef _MQUEUE_H_
30#define _MQUEUE_H_
31
32#include <sys/cdefs.h>
33#include <sys/types.h>
34#include <sys/mqueue.h>
35#include <sys/signal.h>
36
37struct timespec;
38
39__BEGIN_DECLS
40int	mq_close(mqd_t);
41int	mq_getattr(mqd_t, struct mq_attr *);
42int	mq_notify(mqd_t, const struct sigevent *);
43mqd_t	mq_open(const char *, int, ...);
44ssize_t	mq_receive(mqd_t, char *, size_t, unsigned *);
45int	mq_send(mqd_t, const char *, size_t, unsigned);
46int	mq_setattr(mqd_t, const struct mq_attr *__restrict,
47		struct mq_attr *__restrict);
48ssize_t	mq_timedreceive(mqd_t, char *__restrict, size_t,
49		unsigned *__restrict, const struct timespec *__restrict);
50int	mq_timedsend(mqd_t, const char *, size_t, unsigned,
51		const struct timespec *);
52int	mq_unlink(const char *);
53#if __BSD_VISIBLE
54int	mq_getfd_np(mqd_t mqd);
55#endif /* __BSD_VISIBLE */
56
57__END_DECLS
58#endif