xref: /freebsd/include/mqueue.h (revision aa0a1e58f0189b0fde359a8bda032887e72057fa)
1 /*-
2  * Copyright (c) 2005 David Xu <davidxu@freebsd.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
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 
36 struct sigevent;
37 struct timespec;
38 
39 __BEGIN_DECLS
40 int	mq_close(mqd_t);
41 int	mq_getattr(mqd_t, struct mq_attr *);
42 int	mq_notify(mqd_t, const struct sigevent *);
43 mqd_t	mq_open(const char *, int, ...);
44 ssize_t	mq_receive(mqd_t, char *, size_t, unsigned *);
45 int	mq_send(mqd_t, const char *, size_t, unsigned);
46 int	mq_setattr(mqd_t, const struct mq_attr *__restrict,
47 		struct mq_attr *__restrict);
48 ssize_t	mq_timedreceive(mqd_t, char *__restrict, size_t,
49 		unsigned *__restrict, const struct timespec *__restrict);
50 int	mq_timedsend(mqd_t, const char *, size_t, unsigned,
51 		const struct timespec *);
52 int	mq_unlink(const char *);
53 int	__mq_oshandle(mqd_t mqd);
54 
55 __END_DECLS
56 #endif
57