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 * $FreeBSD$ 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 1 /* retrieve peer credentials */ 57 #define LOCAL_CREDS 2 /* pass credentials to receiver */ 58 #define LOCAL_CONNWAIT 4 /* connects block until accepted */ 59 60 /* Start of reserved space for third-party socket options. */ 61 #define LOCAL_VENDOR SO_VENDOR 62 63 #ifndef _KERNEL 64 65 /* actual length of an initialized sockaddr_un */ 66 #define SUN_LEN(su) \ 67 (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path)) 68 69 #endif /* !_KERNEL */ 70 71 #endif /* __BSD_VISIBLE */ 72 73 #endif /* !_SYS_UN_H_ */ 74