mqueue.h (2247B) - Raw
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 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 #if __BSD_VISIBLE 54 int mq_getfd_np(mqd_t mqd); 55 #endif /* __BSD_VISIBLE */ 56 57 __END_DECLS 58 #endif