FreeBSD/Linux Kernel Cross Reference
sys/sys/un.h
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 * $FreeBSD$
35 */
36
37 #ifndef _SYS_UN_H_
38 #define _SYS_UN_H_
39
40 /*
41 * Definitions for UNIX IPC domain.
42 */
43 struct 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 /* Socket options. */
50 #define LOCAL_PEERCRED 0x001 /* retrieve peer credentails */
51
52 #ifdef _KERNEL
53 struct mbuf;
54 struct socket;
55
56 int uipc_usrreq __P((struct socket *so, int req, struct mbuf *m,
57 struct mbuf *nam, struct mbuf *control));
58 int uipc_ctloutput __P((struct socket *so, struct sockopt *sopt));
59 int unp_connect2 __P((struct socket *so, struct socket *so2));
60 void unp_dispose __P((struct mbuf *m));
61 int unp_externalize __P((struct mbuf *rights));
62 void unp_init __P((void));
63 extern struct pr_usrreqs uipc_usrreqs;
64 #else /* !_KERNEL */
65
66 /* actual length of an initialized sockaddr_un */
67 #define SUN_LEN(su) \
68 (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
69
70 #endif /* _KERNEL */
71
72 #endif /* !_SYS_UN_H_ */
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