FreeBSD/Linux Kernel Cross Reference
sys/sys/un.h
1 /* $NetBSD: un.h,v 1.36 2004/05/22 22:52:17 jonathan Exp $ */
2
3 /*
4 * Copyright (c) 1982, 1986, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * @(#)un.h 8.3 (Berkeley) 2/19/95
32 */
33
34 #ifndef _SYS_UN_H_
35 #define _SYS_UN_H_
36
37 #include <sys/ansi.h>
38 #include <sys/featuretest.h>
39
40 #ifndef sa_family_t
41 typedef __sa_family_t sa_family_t;
42 #define sa_family_t __sa_family_t
43 #endif
44
45 /*
46 * Definitions for UNIX IPC domain.
47 */
48 struct sockaddr_un {
49 u_int8_t sun_len; /* total sockaddr length */
50 sa_family_t sun_family; /* AF_LOCAL */
51 char sun_path[104]; /* path name (gag) */
52 };
53
54 /*
55 * Socket options for UNIX IPC domain.
56 */
57 #if defined(_NETBSD_SOURCE)
58 #define LOCAL_CREDS 0x0001 /* pass credentials to receiver */
59 #define LOCAL_CONNWAIT 0x0002 /* connects block until accepted */
60 #endif
61
62 #ifdef _KERNEL
63 struct unpcb;
64 struct socket;
65
66 int uipc_usrreq(struct socket *, int, struct mbuf *,
67 struct mbuf *, struct mbuf *, struct proc *);
68 int uipc_ctloutput(int, struct socket *, int, int, struct mbuf **);
69
70 int unp_attach (struct socket *);
71 int unp_bind (struct unpcb *, struct mbuf *, struct proc *);
72 int unp_connect (struct socket *, struct mbuf *, struct proc *);
73 int unp_connect2 (struct socket *, struct socket *, int);
74 void unp_detach (struct unpcb *);
75 void unp_discard (struct file *);
76 void unp_disconnect (struct unpcb *);
77 void unp_drop (struct unpcb *, int);
78 void unp_gc (void);
79 void unp_mark (struct file *);
80 void unp_scan (struct mbuf *, void (*)(struct file *), int);
81 void unp_shutdown (struct unpcb *);
82 int unp_externalize (struct mbuf *, struct proc *);
83 int unp_internalize (struct mbuf *, struct proc *);
84 void unp_dispose (struct mbuf *);
85 int unp_output (struct mbuf *, struct mbuf *, struct unpcb *,
86 struct proc *);
87 void unp_setsockaddr (struct unpcb *, struct mbuf *);
88 void unp_setpeeraddr (struct unpcb *, struct mbuf *);
89 #else /* !_KERNEL */
90
91 /* actual length of an initialized sockaddr_un */
92 #if defined(_NETBSD_SOURCE)
93 #define SUN_LEN(su) \
94 (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
95 #endif /* !_XOPEN_SOURCE */
96 #endif /* _KERNEL */
97
98 #endif /* !_SYS_UN_H_ */
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