1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 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 * $FreeBSD$ 33 */ 34 35 #ifndef _SYS_UN_H_ 36 #define _SYS_UN_H_ 37 38 #include <sys/cdefs.h> 39 #include <sys/_types.h> 40 41 #ifndef _SA_FAMILY_T_DECLARED 42 typedef __sa_family_t sa_family_t; 43 #define _SA_FAMILY_T_DECLARED 44 #endif 45 46 /* 47 * Definitions for UNIX IPC domain. 48 */ 49 struct sockaddr_un { 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) */ 53 }; 54 55 #if __BSD_VISIBLE 56 57 /* Socket options. */ 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 */ 61 62 /* Start of reserved space for third-party socket options. */ 63 #define LOCAL_VENDOR SO_VENDOR 64 65 #ifndef _KERNEL 66 67 /* actual length of an initialized sockaddr_un */ 68 #define SUN_LEN(su) \ 69 (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path)) 70 71 #endif /* !_KERNEL */ 72 73 #endif /* __BSD_VISIBLE */ 74 75 #endif /* !_SYS_UN_H_ */ 76