xref: /titanic_41/usr/src/uts/common/sys/un.h (revision ba7b222e36bac28710a7f43739283302b617e7f5)
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 */
92