78 lines
2.7 KiB
C
78 lines
2.7 KiB
C
#ifndef _MQUEUE_H_
|
|
#define _MQUEUE_H_
|
|
|
|
/* mqueue.h: POSIX 1003.1b Message Queues */
|
|
|
|
/*-
|
|
* Copyright (c) 1996, 1997
|
|
* HD Associates, Inc. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by HD Associates, Inc
|
|
* 4. Neither the name of the author nor the names of any co-contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <sys/_posix.h>
|
|
|
|
#ifdef _P1003_1B_INCLUDE_MAYBES
|
|
#include <sys/types.h>
|
|
#include <fcntl.h>
|
|
#include <time.h>
|
|
#include <signal.h>
|
|
#else
|
|
struct sigevent;
|
|
#endif
|
|
|
|
typedef int mqd_t; /* message queue descriptors */
|
|
|
|
struct mq_attr {
|
|
long mq_flags; /* message queue flags */
|
|
long mq_maxmsg; /* maximum number of messages */
|
|
long mq_msgsize; /* maximum message size */
|
|
long mq_curmsgs; /* number of messages currently queued */
|
|
};
|
|
|
|
#ifndef _KERNEL
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
__BEGIN_DECLS
|
|
mqd_t mq_open(const char *, int oflag, ...);
|
|
int mq_close(mqd_t);
|
|
int mq_unlink(const char *);
|
|
int mq_send(mqd_t, const char *, size_t, unsigned int);
|
|
ssize_t mq_receive(mqd_t, char *, size_t, unsigned int *);
|
|
int mq_notify(mqd_t, const struct sigevent *);
|
|
int mq_setattr(mqd_t, const struct mq_attr *, struct mq_attr *);
|
|
int mq_getattr(mqd_t, struct mq_attr *);
|
|
__END_DECLS
|
|
|
|
#endif
|
|
|
|
#endif /* _MQUEUE_H_ */
|