1 /* $OpenBSD: un.h,v 1.8 2003/06/02 23:28:22 millert Exp $ */
2 /* $NetBSD: un.h,v 1.11 1996/02/04 02:12:47 christos Exp $ */
3
4 /*
5 * Copyright (c) 1982, 1986, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * @(#)un.h 8.1 (Berkeley) 6/2/93
33 */
34
35 #ifndef _SYS_UN_H_
36 #define _SYS_UN_H_
37
38 /*
39 * Definitions for UNIX IPC domain.
40 */
41 struct sockaddr_un {
42 unsigned char sun_len; /* sockaddr len including null */
43 unsigned char sun_family; /* AF_UNIX */
44 char sun_path[104]; /* path name (gag) */
45 };
46
47 #ifdef _KERNEL
48 struct unpcb;
49 struct socket;
50
51 int unp_attach(struct socket *so);
52 int unp_bind(struct unpcb *unp, struct mbuf *nam, struct proc *p);
53 int unp_connect(struct socket *so, struct mbuf *nam, struct proc *p);
54 int unp_connect2(struct socket *so, struct socket *so2);
55 void unp_detach(struct unpcb *unp);
56 void unp_discard(struct file *fp);
57 void unp_disconnect(struct unpcb *unp);
58 void unp_drop(struct unpcb *unp, int errno);
59 void unp_gc(void);
60 void unp_mark(struct file *fp);
61 void unp_scan(struct mbuf *m0, void (*op)(struct file *), int);
62 void unp_shutdown(struct unpcb *unp);
63 int unp_externalize(struct mbuf *);
64 int unp_internalize(struct mbuf *, struct proc *);
65 void unp_dispose(struct mbuf *);
66 #else /* !_KERNEL */
67
68 /* actual length of an initialized sockaddr_un */
69 #define SUN_LEN(su) \
70 (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
71 #endif /* _KERNEL */
72 #endif /* !_SYS_UN_H_ */