xref: /dragonfly/sys/sys/un.h (revision cc87404e)
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. 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: src/sys/sys/un.h,v 1.17.2.1 2002/03/09 05:22:23 dd Exp $
31  */
32 
33 #ifndef _SYS_UN_H_
34 #define	_SYS_UN_H_
35 
36 #ifndef _SYS_TYPES_H_
37 #include <sys/types.h>
38 #endif
39 
40 #ifndef _SYS_FILE_H_
41 #include <sys/file.h>
42 #endif
43 
44 #ifndef _SA_FAMILY_T_DECLARED
45 typedef	__uint8_t	sa_family_t;
46 #define	_SA_FAMILY_T_DECLARED
47 #endif
48 
49 /*
50  * Definitions for UNIX IPC domain.
51  */
52 struct	sockaddr_un {
53 	uint8_t		sun_len;	/* sockaddr len including null */
54 	sa_family_t	sun_family;	/* AF_UNIX */
55 	char		sun_path[104];	/* path name (gag) */
56 };
57 
58 /* Socket options. */
59 #define	LOCAL_PEERCRED		0x001		/* retrieve peer credentails */
60 
61 #ifdef _KERNEL
62 struct mbuf;
63 struct socket;
64 struct sockopt;
65 union netmsg;
66 
67 int	uipc_usrreq(struct socket *so, int req, struct mbuf *m,
68 	    struct mbuf *nam, struct mbuf *control);
69 void	uipc_ctloutput(union netmsg *msg);
70 int	unp_connect2(struct socket *so, struct socket *so2);
71 void	unp_dispose(struct mbuf *m);
72 int	unp_externalize(struct mbuf *rights, int flags);
73 void	unp_init(void);
74 extern	struct pr_usrreqs uipc_usrreqs;
75 #else /* !_KERNEL */
76 
77 /* actual length of an initialized sockaddr_un */
78 #define	SUN_LEN(su) \
79 	(sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
80 
81 #endif /* _KERNEL */
82 
83 #endif /* !_SYS_UN_H_ */
84