xref: /dragonfly/sys/sys/un.h (revision 62dc643e)
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 _SA_FAMILY_T_DECLARED
41 typedef	__uint8_t	sa_family_t;
42 #define	_SA_FAMILY_T_DECLARED
43 #endif
44 
45 /*
46  * Definitions for UNIX IPC domain.
47  */
48 struct sockaddr_un {
49 	uint8_t		sun_len;	/* sockaddr len including null */
50 	sa_family_t	sun_family;	/* AF_UNIX */
51 	char		sun_path[104];	/* path name (gag) */
52 };
53 
54 /* Socket options. */
55 #define	LOCAL_PEERCRED		0x001		/* retrieve peer credentails */
56 
57 #ifdef _KERNEL
58 struct mbuf;
59 struct socket;
60 union netmsg;
61 
62 int	uipc_usrreq(struct socket *so, int req, struct mbuf *m,
63 	    struct mbuf *nam, struct mbuf *control);
64 void	uipc_ctloutput(union netmsg *msg);
65 int	unp_connect2(struct socket *so, struct socket *so2);
66 void	unp_dispose(struct mbuf *m);
67 int	unp_externalize(struct mbuf *rights, int flags);
68 void	unp_init(void);
69 extern	struct pr_usrreqs uipc_usrreqs;
70 #else /* !_KERNEL */
71 
72 /* actual length of an initialized sockaddr_un */
73 #define	SUN_LEN(su) \
74 	(sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
75 
76 #endif /* _KERNEL */
77 
78 #endif /* !_SYS_UN_H_ */
79