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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)un.h 8.3 (Berkeley) 2/19/95
30 * $FreeBSD: src/sys/sys/un.h,v 1.27.2.1 2005/01/31 23:26:57 imp Exp $
31 */
32
33 #ifndef _SYS_UN_H_
34 #define _SYS_UN_H_
35
36 #include <sys/cdefs.h>
37 #include <sys/_types.h>
38
39 #ifndef _SA_FAMILY_T_DECLARED
40 typedef __sa_family_t sa_family_t;
41 #define _SA_FAMILY_T_DECLARED
42 #endif
43
44 /*
45 * Definitions for UNIX IPC domain.
46 */
47 struct sockaddr_un {
48 unsigned char sun_len; /* sockaddr len including null */
49 sa_family_t sun_family; /* AF_UNIX */
50 char sun_path[104]; /* path name (gag) */
51 };
52
53 #if __BSD_VISIBLE
54
55 /* Socket options. */
56 #define LOCAL_PEERCRED 0x001 /* retrieve peer credentails */
57
58 #ifdef _KERNEL
59 struct mbuf;
60 struct socket;
61 struct sockopt;
62
63 int uipc_connect2(struct socket *so1, struct socket *so2);
64 int uipc_ctloutput(struct socket *so, struct sockopt *sopt);
65 int uipc_usrreq(struct socket *so, int req, struct mbuf *m,
66 struct mbuf *nam, struct mbuf *control);
67 void unp_dispose(struct mbuf *m);
68 int unp_externalize(struct mbuf *mbuf, struct mbuf **controlp);
69 void unp_init(void);
70 extern struct pr_usrreqs uipc_usrreqs;
71
72 #else /* !_KERNEL */
73
74 /* actual length of an initialized sockaddr_un */
75 #define SUN_LEN(su) \
76 (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
77
78 #endif /* _KERNEL */
79
80 #endif /* __BSD_VISIBLE */
81
82 #endif /* !_SYS_UN_H_ */
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