2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1982, 1986, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
31 * @(#)un.h 8.3 (Berkeley) 2/19/95
38 #include <sys/cdefs.h>
39 #include <sys/_types.h>
41 #ifndef _SA_FAMILY_T_DECLARED
42 typedef __sa_family_t sa_family_t;
43 #define _SA_FAMILY_T_DECLARED
47 * Definitions for UNIX IPC domain.
50 unsigned char sun_len; /* sockaddr len including null */
51 sa_family_t sun_family; /* AF_UNIX */
52 char sun_path[104]; /* path name (gag) */
58 #define LOCAL_PEERCRED 1 /* retrieve peer credentials */
59 #define LOCAL_CREDS 2 /* pass credentials to receiver */
60 #define LOCAL_CONNWAIT 4 /* connects block until accepted */
62 /* Start of reserved space for third-party socket options. */
63 #define LOCAL_VENDOR SO_VENDOR
67 /* actual length of an initialized sockaddr_un */
69 (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
73 #endif /* __BSD_VISIBLE */
75 #endif /* !_SYS_UN_H_ */