usr/src/uts/common/sys/un.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 /*      Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T     */
  27 /*        All Rights Reserved   */
  28
  29 /*
  30  * University Copyright- Copyright (c) 1982, 1986, 1988
  31  * The Regents of the University of California
  32  * All Rights Reserved
  33  *
  34  * University Acknowledgment- Portions of this document are derived from
  35  * software developed by the University of California, Berkeley, and its
  36  * contributors.
  37  */
  38
  39 #ifndef _SYS_UN_H
  40 #define _SYS_UN_H
  41
  42 #ifdef  __cplusplus
  43 extern "C" {
  44 #endif
  45
  46 #ifndef _SA_FAMILY_T
  47 #define _SA_FAMILY_T
  48 typedef unsigned short sa_family_t;
  49 #endif
  50
  51 /*
  52  * Definitions for UNIX IPC domain.
  53  */
  54 struct  sockaddr_un {
  55         sa_family_t     sun_family;             /* AF_UNIX */
  56         char            sun_path[108];          /* path name (gag) */
  57 };
  58
  59 #if (!defined(_XOPEN_SOURCE) && !defined(_POSIX_C_SOURCE)) || \
  60     defined(__EXTENSIONS__)
  61 /*
  62  * NOTE: If we ever go to BSD-style sun_len + sun_family, this macro needs to
  63  * change.
  64  *
  65  * Also, include a strlen() prototype, and we have to protect it w.r.t.
  66  * UNIX{98,03}.  And because there's strlen, we need size_t as well.
  67  */
  68 #if !defined(_SIZE_T) || __cplusplus >= 199711L
  69 #define _SIZE_T
  70 #if defined(_LP64) || defined(_I32LPx)
  71 typedef ulong_t size_t;         /* size of something in bytes */
  72 #else
  73 typedef uint_t  size_t;         /* (historical version) */
  74 #endif
  75 #endif  /* _SIZE_T */
  76
  77 extern size_t strlen(const char *);
  78
  79 #define SUN_LEN(su)     (sizeof (sa_family_t) + strlen((su)->sun_path))
  80
  81 #endif  /* (!defined(_XOPEN_SOURCE) && !defined(_POSIX_C_SOURCE)) || ... */
  82
  83 #ifdef _KERNEL
  84 int     unp_discard();
  85 #endif
  86
  87 #ifdef  __cplusplus
  88 }
  89 #endif
  90
  91 #endif /* _SYS_UN_H */