xref: /dragonfly/sys/sys/un.h (revision 0ca59c34)
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  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  *	@(#)un.h	8.3 (Berkeley) 2/19/95
34  * $FreeBSD: src/sys/sys/un.h,v 1.17.2.1 2002/03/09 05:22:23 dd Exp $
35  */
36 
37 #ifndef _SYS_UN_H_
38 #define _SYS_UN_H_
39 
40 #ifndef _SYS_TYPES_H_
41 #include <sys/types.h>
42 #endif
43 
44 #ifndef _SYS_FILE_H_
45 #include <sys/file.h>
46 #endif
47 
48 #ifndef _SA_FAMILY_T_DECLARED
49 typedef	__uint8_t	sa_family_t;
50 #define	_SA_FAMILY_T_DECLARED
51 #endif
52 
53 /*
54  * Definitions for UNIX IPC domain.
55  */
56 struct	sockaddr_un {
57 	u_char		sun_len;	/* sockaddr len including null */
58 	sa_family_t	sun_family;	/* AF_UNIX */
59 	char		sun_path[104];	/* path name (gag) */
60 };
61 
62 /* Socket options. */
63 #define LOCAL_PEERCRED		0x001		/* retrieve peer credentails */
64 
65 #ifdef _KERNEL
66 struct mbuf;
67 struct socket;
68 struct sockopt;
69 
70 int	uipc_usrreq (struct socket *so, int req, struct mbuf *m,
71 		struct mbuf *nam, struct mbuf *control);
72 void	uipc_ctloutput (union netmsg *msg);
73 int	unp_connect2 (struct socket *so, struct socket *so2);
74 void	unp_dispose (struct mbuf *m);
75 int	unp_externalize (struct mbuf *rights, int flags);
76 void	unp_init (void);
77 extern	struct pr_usrreqs uipc_usrreqs;
78 #else /* !_KERNEL */
79 
80 /* actual length of an initialized sockaddr_un */
81 #define SUN_LEN(su) \
82 	(sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
83 
84 #endif /* _KERNEL */
85 
86 #endif /* !_SYS_UN_H_ */
87