un.h revision 14489 
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 * $Id: un.h,v 1.11 1996/03/10 10:36:30 hsu Exp $
35 */
36
37#ifndef _SYS_UN_H_
38#define _SYS_UN_H_
39
40#ifdef KERNEL
41#include <sys/unpcb.h>
42#endif /* KERNEL */
43
44/*
45 * Definitions for UNIX IPC domain.
46 */
47struct	sockaddr_un {
48	u_char	sun_len;		/* sockaddr len including null */
49	u_char	sun_family;		/* AF_UNIX */
50	char	sun_path[104];		/* path name (gag) */
51};
52
53#ifdef KERNEL
54struct unpcb;
55
56int	uipc_usrreq __P((struct socket *so, int req, struct mbuf *m,
57		struct mbuf *nam, struct mbuf *control));
58int	unp_connect2 __P((struct socket *so, struct socket *so2));
59void	unp_dispose __P((struct mbuf *m));
60int	unp_externalize __P((struct mbuf *rights));
61#else /* !KERNEL */
62
63/* actual length of an initialized sockaddr_un */
64#define SUN_LEN(su) \
65	(sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
66
67#endif /* KERNEL */
68
69#endif /* !_SYS_UN_H_ */
70