FreeBSD/Linux Kernel Cross Reference
sys/sys/un.h
1 /* $NetBSD: un.h,v 1.44.4.1 2009/03/18 05:33:23 snj 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 #include <sys/types.h>
40
41 #ifndef sa_family_t
42 typedef __sa_family_t sa_family_t;
43 #define sa_family_t __sa_family_t
44 #endif
45
46 /*
47 * Definitions for UNIX IPC domain.
48 */
49 struct sockaddr_un {
50 uint8_t sun_len; /* total sockaddr length */
51 sa_family_t sun_family; /* AF_LOCAL */
52 char sun_path[104]; /* path name (gag) */
53 };
54
55 /*
56 * Socket options for UNIX IPC domain.
57 */
58 #if defined(_NETBSD_SOURCE)
59 #define LOCAL_CREDS 0x0001 /* pass credentials to receiver */
60 #define LOCAL_CONNWAIT 0x0002 /* connects block until accepted */
61 #define LOCAL_PEEREID 0x0003 /* get peer identification */
62 #endif
63
64 /*
65 * Data automatically stored inside connect() for use by LOCAL_PEEREID
66 */
67 struct unpcbid {
68 pid_t unp_pid; /* process id */
69 uid_t unp_euid; /* effective user id */
70 gid_t unp_egid; /* effective group id */
71 };
72
73 #ifdef _KERNEL
74 struct unpcb;
75 struct socket;
76 struct sockopt;
77
78 int uipc_usrreq(struct socket *, int, struct mbuf *,
79 struct mbuf *, struct mbuf *, struct lwp *);
80 int uipc_ctloutput(int, struct socket *, struct sockopt *);
81 void uipc_init (void);
82 kmutex_t *uipc_dgramlock (void);
83 kmutex_t *uipc_streamlock (void);
84 kmutex_t *uipc_rawlock (void);
85
86 int unp_attach (struct socket *);
87 int unp_bind (struct socket *, struct mbuf *, struct lwp *);
88 int unp_connect (struct socket *, struct mbuf *, struct lwp *);
89 int unp_connect2 (struct socket *, struct socket *, int);
90 void unp_detach (struct unpcb *);
91 void unp_discard (struct file *);
92 void unp_disconnect (struct unpcb *);
93 bool unp_drop (struct unpcb *, int);
94 void unp_shutdown (struct unpcb *);
95 int unp_externalize (struct mbuf *, struct lwp *);
96 int unp_internalize (struct mbuf **);
97 void unp_dispose (struct mbuf *);
98 int unp_output (struct mbuf *, struct mbuf *, struct unpcb *,
99 struct lwp *);
100 void unp_setaddr (struct socket *, struct mbuf *, bool);
101 #else /* !_KERNEL */
102
103 /* actual length of an initialized sockaddr_un */
104 #if defined(_NETBSD_SOURCE)
105 #define SUN_LEN(su) \
106 (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
107 #endif /* !_NetBSD_SOURCE */
108 #endif /* _KERNEL */
109
110 #endif /* !_SYS_UN_H_ */
Cache object: 7daec68da5ef57b00bc1f71db23ad659
|