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	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
	25	*
	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
	27	*/
	28	/*
	29	* Copyright (c) 1982, 1986, 1993
	30	* The Regents of the University of California. All rights reserved.
	31	*
	32	* Redistribution and use in source and binary forms, with or without
	33	* modification, are permitted provided that the following conditions
	34	* are met:
	35	* 1. Redistributions of source code must retain the above copyright
	36	* notice, this list of conditions and the following disclaimer.
	37	* 2. Redistributions in binary form must reproduce the above copyright
	38	* notice, this list of conditions and the following disclaimer in the
	39	* documentation and/or other materials provided with the distribution.
	40	* 3. All advertising materials mentioning features or use of this software
	41	* must display the following acknowledgement:
	42	* This product includes software developed by the University of
	43	* California, Berkeley and its contributors.
	44	* 4. Neither the name of the University nor the names of its contributors
	45	* may be used to endorse or promote products derived from this software
	46	* without specific prior written permission.
	47	*
	48	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	49	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	50	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	51	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	52	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	53	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	54	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	55	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	56	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	57	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	58	* SUCH DAMAGE.
	59	*
	60	* @(#)un.h 8.3 (Berkeley) 2/19/95
	61	*/
	62
	63	#ifndef _SYS_UN_H_
	64	#define _SYS_UN_H_
	65
	66	#include <sys/appleapiopts.h>
	67	#include <sys/cdefs.h>
	68	#include <sys/_types.h>
	69
	70	/* [XSI] The sa_family_t type shall be defined as described in <sys/socket.h> */
	71	#ifndef _SA_FAMILY_T
	72	#define _SA_FAMILY_T
	73	typedef __uint8_t sa_family_t;
	74	#endif
	75
	76	/*
	77	* [XSI] Definitions for UNIX IPC domain.
	78	*/
	79	struct sockaddr_un {
	80	unsigned char sun_len; /* sockaddr len including null */
	81	sa_family_t sun_family; /* [XSI] AF_UNIX */
	82	char sun_path[104]; /* [XSI] path name (gag) */
	83	};
	84
	85	#if !defined(_POSIX_C_SOURCE) \|\| defined(_DARWIN_C_SOURCE)
	86
	87	/* Level number of get/setsockopt for local domain sockets */
	88	#define SOL_LOCAL 0
	89
	90	/* Socket options. */
	91	#define LOCAL_PEERCRED 0x001 /* retrieve peer credentails */
	92
	93	#endif /* (!_POSIX_C_SOURCE \|\| _DARWIN_C_SOURCE) */
	94
	95
	96	#ifdef KERNEL
	97	#ifdef PRIVATE
	98	#include <kern/locks.h>
	99	__BEGIN_DECLS
	100	struct mbuf;
	101	struct socket;
	102	struct sockopt;
	103
	104	int uipc_usrreq(struct socket so, int req, struct mbuf m,
	105	struct mbuf nam, struct mbuf control);
	106	int uipc_ctloutput (struct socket so, struct sockopt sopt);
	107	int unp_connect2(struct socket so, struct socket so2);
	108	void unp_dispose(struct mbuf *m);
	109	int unp_externalize(struct mbuf *rights);
	110	void unp_init(void) __attribute__((section("__TEXT, initcode")));
	111	extern struct pr_usrreqs uipc_usrreqs;
	112	int unp_lock(struct socket , int, void );
	113	int unp_unlock(struct socket , int, void );
	114	lck_mtx_t* unp_getlock(struct socket *, int);
	115	__END_DECLS
	116	#endif /* PRIVATE */
	117	#else /* !KERNEL */
	118
	119	#if !defined(_POSIX_C_SOURCE) \|\| defined(_DARWIN_C_SOURCE)
	120	/* actual length of an initialized sockaddr_un */
	121	#define SUN_LEN(su) \
	122	(sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
	123	#endif /* (!_POSIX_C_SOURCE \|\| _DARWIN_C_SOURCE) */
	124
	125	#endif /* KERNEL */
	126
	127	#endif /* !_SYS_UN_H_ */