xref: /illumos-gate/usr/src/head/mqueue.h (revision ba3594ba)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate  * with the License.
87c478bd9Sstevel@tonic-gate  *
97c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate  * and limitations under the License.
137c478bd9Sstevel@tonic-gate  *
147c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate  *
207c478bd9Sstevel@tonic-gate  * CDDL HEADER END
217c478bd9Sstevel@tonic-gate  */
227c478bd9Sstevel@tonic-gate /*
23*ba3594baSGarrett D'Amore  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
24*ba3594baSGarrett D'Amore  *
257c478bd9Sstevel@tonic-gate  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
267c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
277c478bd9Sstevel@tonic-gate  */
287c478bd9Sstevel@tonic-gate 
297c478bd9Sstevel@tonic-gate #ifndef _MQUEUE_H
307c478bd9Sstevel@tonic-gate #define	_MQUEUE_H
317c478bd9Sstevel@tonic-gate 
327c478bd9Sstevel@tonic-gate #include <sys/feature_tests.h>
337c478bd9Sstevel@tonic-gate #include <sys/types.h>
347c478bd9Sstevel@tonic-gate #include <sys/fcntl.h>
357c478bd9Sstevel@tonic-gate #include <sys/signal.h>
367c478bd9Sstevel@tonic-gate #include <sys/siginfo.h>
377c478bd9Sstevel@tonic-gate #include <time.h>
387c478bd9Sstevel@tonic-gate 
397c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
407c478bd9Sstevel@tonic-gate extern "C" {
417c478bd9Sstevel@tonic-gate #endif
427c478bd9Sstevel@tonic-gate 
437c478bd9Sstevel@tonic-gate typedef void	*mqd_t;		/* opaque message queue descriptor */
447c478bd9Sstevel@tonic-gate 
457c478bd9Sstevel@tonic-gate struct mq_attr {
467c478bd9Sstevel@tonic-gate 	long	mq_flags;	/* message queue flags */
477c478bd9Sstevel@tonic-gate 	long	mq_maxmsg;	/* maximum number of messages */
487c478bd9Sstevel@tonic-gate 	long	mq_msgsize;	/* maximum message size */
497c478bd9Sstevel@tonic-gate 	long	mq_curmsgs;	/* number of messages currently queued */
507c478bd9Sstevel@tonic-gate 	int	mq_pad[12];
517c478bd9Sstevel@tonic-gate };
527c478bd9Sstevel@tonic-gate 
537c478bd9Sstevel@tonic-gate /*
547c478bd9Sstevel@tonic-gate  * function prototypes
557c478bd9Sstevel@tonic-gate  */
567c478bd9Sstevel@tonic-gate #if	(_POSIX_C_SOURCE - 0 > 0) && (_POSIX_C_SOURCE - 0 <= 2)
577c478bd9Sstevel@tonic-gate #error	"POSIX Message Passing is not supported in POSIX.1-1990"
587c478bd9Sstevel@tonic-gate #endif
597c478bd9Sstevel@tonic-gate #include <sys/siginfo.h>
607c478bd9Sstevel@tonic-gate mqd_t	mq_open(const char *, int, ...);
617c478bd9Sstevel@tonic-gate int	mq_close(mqd_t);
627c478bd9Sstevel@tonic-gate int	mq_unlink(const char *);
637c478bd9Sstevel@tonic-gate int	mq_send(mqd_t, const char *, size_t, unsigned int);
647c478bd9Sstevel@tonic-gate int	mq_timedsend(mqd_t, const char *, size_t, unsigned int,
657c478bd9Sstevel@tonic-gate 		const struct timespec *);
667c478bd9Sstevel@tonic-gate int	mq_reltimedsend_np(mqd_t, const char *, size_t, unsigned int,
677c478bd9Sstevel@tonic-gate 		const struct timespec *);
687c478bd9Sstevel@tonic-gate ssize_t	mq_receive(mqd_t, char *, size_t, unsigned int *);
697c478bd9Sstevel@tonic-gate ssize_t	mq_timedreceive(mqd_t, char *_RESTRICT_KYWD, size_t,
707c478bd9Sstevel@tonic-gate 		unsigned int *_RESTRICT_KYWD,
717c478bd9Sstevel@tonic-gate 		const struct timespec *_RESTRICT_KYWD);
727c478bd9Sstevel@tonic-gate ssize_t	mq_reltimedreceive_np(mqd_t, char *_RESTRICT_KYWD, size_t,
737c478bd9Sstevel@tonic-gate 		unsigned int *_RESTRICT_KYWD,
747c478bd9Sstevel@tonic-gate 		const struct timespec *_RESTRICT_KYWD);
757c478bd9Sstevel@tonic-gate int	mq_notify(mqd_t, const struct sigevent *);
767c478bd9Sstevel@tonic-gate int	mq_getattr(mqd_t, struct mq_attr *);
777c478bd9Sstevel@tonic-gate int	mq_setattr(mqd_t, const struct mq_attr *_RESTRICT_KYWD,
787c478bd9Sstevel@tonic-gate 		struct mq_attr *_RESTRICT_KYWD);
797c478bd9Sstevel@tonic-gate 
807c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
817c478bd9Sstevel@tonic-gate }
827c478bd9Sstevel@tonic-gate #endif
837c478bd9Sstevel@tonic-gate 
847c478bd9Sstevel@tonic-gate #endif	/* _MQUEUE_H */
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