un.h revision 50477
1/* 2 * Copyright (c) 1982, 1986, 1993 3 * The Regents of the University of California. 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 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)un.h 8.3 (Berkeley) 2/19/95 34 * $FreeBSD: head/sys/sys/un.h 50477 1999-08-28 01:08:13Z peter $ 35 */ 36 37#ifndef _SYS_UN_H_ 38#define _SYS_UN_H_ 39 40/* 41 * Definitions for UNIX IPC domain. 42 */ 43struct sockaddr_un { 44 u_char sun_len; /* sockaddr len including null */ 45 u_char sun_family; /* AF_UNIX */ 46 char sun_path[104]; /* path name (gag) */ 47}; 48 49#ifdef KERNEL 50struct mbuf; 51struct socket; 52 53int uipc_usrreq __P((struct socket *so, int req, struct mbuf *m, 54 struct mbuf *nam, struct mbuf *control)); 55int unp_connect2 __P((struct socket *so, struct socket *so2)); 56void unp_dispose __P((struct mbuf *m)); 57int unp_externalize __P((struct mbuf *rights)); 58void unp_init __P((void)); 59extern struct pr_usrreqs uipc_usrreqs; 60#else /* !KERNEL */ 61 62/* actual length of an initialized sockaddr_un */ 63#define SUN_LEN(su) \ 64 (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path)) 65 66#endif /* KERNEL */ 67 68#endif /* !_SYS_UN_H_ */ 69