File: [cvs.NetBSD.org] / src / sys / sys / un.h (download)
Revision 1.32, Sat Nov 29 06:14:03 2003 UTC (20 years, 4 months ago) by perry
Branch: MAIN
Changes since 1.31: +1 -1
lines
Revert a change that altered the semantics of AF_LOCAL sockets. Sadly
this made us API incompatible with other Unixes.
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/* $NetBSD: un.h,v 1.32 2003/11/29 06:14:03 perry 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. 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_
#include <sys/ansi.h>
#include <sys/featuretest.h>
#ifndef sa_family_t
typedef __sa_family_t sa_family_t;
#define sa_family_t __sa_family_t
#endif
/*
* Definitions for UNIX IPC domain.
*/
struct sockaddr_un {
u_int8_t sun_len; /* total sockaddr length */
sa_family_t sun_family; /* AF_LOCAL */
char sun_path[104]; /* path name (gag) */
};
/*
* Socket options for UNIX IPC domain.
*/
#if defined(_NETBSD_SOURCE)
#define LOCAL_CREDS 0x0001 /* pass credentials to receiver */
#endif
#ifdef _KERNEL
struct unpcb;
struct socket;
int unp_attach __P((struct socket *));
int unp_bind __P((struct unpcb *, struct mbuf *, struct proc *));
int unp_connect __P((struct socket *, struct mbuf *, struct proc *));
int unp_connect2 __P((struct socket *, struct socket *));
void unp_detach __P((struct unpcb *));
void unp_discard __P((struct file *));
void unp_disconnect __P((struct unpcb *));
void unp_drop __P((struct unpcb *, int));
void unp_gc __P((void));
void unp_mark __P((struct file *));
void unp_scan __P((struct mbuf *, void (*)(struct file *), int));
void unp_shutdown __P((struct unpcb *));
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 */
#if defined(_NETBSD_SOURCE)
#define SUN_LEN(su) \
(sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
#endif /* !_XOPEN_SOURCE */
#endif /* _KERNEL */
#endif /* !_SYS_UN_H_ */