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un.h
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un.h
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/* $NetBSD: un.h,v 1.21 1999/03/22 17:54:38 sommerfe Exp $ */
/*
* Copyright (c) 1982, 1986, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)un.h 8.3 (Berkeley) 2/19/95
*/
#ifndef _SYS_UN_H_
#define _SYS_UN_H_
/*
* Definitions for UNIX IPC domain.
*/
struct sockaddr_un {
u_char sun_len; /* total sockaddr length */
u_char sun_family; /* AF_LOCAL */
char sun_path[104]; /* path name (gag) */
};
/*
* Socket options for UNIX IPC domain.
*/
#define LOCAL_CREDS 0x0001 /* pass credentials to receiver */
#ifdef _KERNEL
struct unpcb;
struct socket;
int unp_attach __P((struct socket *so));
int unp_bind __P((struct unpcb *unp, struct mbuf *nam, struct proc *p));
int unp_connect __P((struct socket *so, struct mbuf *nam, struct proc *p));
int unp_connect2 __P((struct socket *so, struct socket *so2));
void unp_detach __P((struct unpcb *unp));
void unp_discard __P((struct file *fp));
void unp_disconnect __P((struct unpcb *unp));
void unp_drop __P((struct unpcb *unp, int errno));
void unp_gc __P((void));
void unp_mark __P((struct file *fp));
void unp_scan __P((struct mbuf *m0, void (*op)(struct file *), int));
void unp_shutdown __P((struct unpcb *unp));
int unp_externalize __P((struct mbuf *));
int unp_internalize __P((struct mbuf *, struct proc *));
void unp_dispose __P((struct mbuf *));
int unp_output __P((struct mbuf *, struct mbuf *, struct unpcb *,
struct proc *));
void unp_setsockaddr __P((struct unpcb *, struct mbuf *));
void unp_setpeeraddr __P((struct unpcb *, struct mbuf *));
#else /* !_KERNEL */
/* actual length of an initialized sockaddr_un */
#define SUN_LEN(su) \
(sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
#endif /* _KERNEL */
#endif /* !_SYS_UN_H_ */