1152828Sdavidxu/*- 2152828Sdavidxu * Copyright (c) 2005 David Xu <davidxu@freebsd.org> 3152828Sdavidxu * All rights reserved. 4152828Sdavidxu * 5152828Sdavidxu * Redistribution and use in source and binary forms, with or without 6152828Sdavidxu * modification, are permitted provided that the following conditions 7152828Sdavidxu * are met: 8152828Sdavidxu * 1. Redistributions of source code must retain the above copyright 9152828Sdavidxu * notice, this list of conditions and the following disclaimer. 10152828Sdavidxu * 2. Redistributions in binary form must reproduce the above copyright 11152828Sdavidxu * notice, this list of conditions and the following disclaimer in the 12152828Sdavidxu * documentation and/or other materials provided with the distribution. 13152828Sdavidxu * 14152828Sdavidxu * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15152828Sdavidxu * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16152828Sdavidxu * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17152828Sdavidxu * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18152828Sdavidxu * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19152828Sdavidxu * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20152828Sdavidxu * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21152828Sdavidxu * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22152828Sdavidxu * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23152828Sdavidxu * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24152828Sdavidxu * SUCH DAMAGE. 25152828Sdavidxu * 26152828Sdavidxu * $FreeBSD$ 27152828Sdavidxu */ 28152828Sdavidxu 29152828Sdavidxu#ifndef _SYS_MQUEUE_H_ 30152828Sdavidxu#define _SYS_MQUEUE_H_ 31152828Sdavidxu 32152828Sdavidxustruct mq_attr { 33152828Sdavidxu long mq_flags; /* Message queue flags. */ 34152828Sdavidxu long mq_maxmsg; /* Maximum number of messages. */ 35152828Sdavidxu long mq_msgsize; /* Maximum message size. */ 36152828Sdavidxu long mq_curmsgs; /* Number of messages currently queued. */ 37152828Sdavidxu long __reserved[4]; /* Ignored for input, zeroed for output */ 38152828Sdavidxu}; 39152828Sdavidxu 40152948Sdavidxu#ifdef _KERNEL 41152948Sdavidxustruct thread; 42152948Sdavidxustruct file; 43152948Sdavidxuextern void (*mq_fdclose)(struct thread *td, int fd, struct file *fp); 44152828Sdavidxu#endif 45152948Sdavidxu#endif 46