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: releng/5.0/sys/sys/un.h 102227 2002-08-21 16:20:02Z mike $
35 */
36
37 #ifndef _SYS_UN_H_
38 #define _SYS_UN_H_
39
40 #include <sys/cdefs.h>
41 #include <sys/_types.h>
42
43 #ifndef _SA_FAMILY_T_DECLARED
44 typedef __sa_family_t sa_family_t;
45 #define _SA_FAMILY_T_DECLARED
46 #endif
47
48 /*
49 * Definitions for UNIX IPC domain.
50 */
51 struct sockaddr_un {
52 unsigned char sun_len; /* sockaddr len including null */
53 sa_family_t sun_family; /* AF_UNIX */
54 char sun_path[104]; /* path name (gag) */
55 };
56
57 #if __BSD_VISIBLE
58
59 /* Socket options. */
60 #define LOCAL_PEERCRED 0x001 /* retrieve peer credentails */
61
62 #ifdef _KERNEL
63 struct mbuf;
64 struct socket;
65 struct sockopt;
66
67 int uipc_ctloutput(struct socket *so, struct sockopt *sopt);
68 int uipc_usrreq(struct socket *so, int req, struct mbuf *m,
69 struct mbuf *nam, struct mbuf *control);
70 int unp_connect2(struct socket *so, struct socket *so2);
71 void unp_dispose(struct mbuf *m);
72 int unp_externalize(struct mbuf *mbuf, struct mbuf **controlp);
73 void unp_init(void);
74 extern struct pr_usrreqs uipc_usrreqs;
75
76 #else /* !_KERNEL */
77
78 /* actual length of an initialized sockaddr_un */
79 #define SUN_LEN(su) \
80 (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
81
82 #endif /* _KERNEL */
83
84 #endif /* __BSD_VISIBLE */
85
86 #endif /* !_SYS_UN_H_ */
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