[apple/xnu.git] / bsd / sys / un.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * 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_

#include <sys/appleapiopts.h>
#include <sys/cdefs.h>
#include <sys/_types.h>

/* [XSI] The sa_family_t type shall be defined as described in <sys/socket.h> */
#ifndef _SA_FAMILY_T
#define _SA_FAMILY_T
typedef __uint8_t		sa_family_t;
#endif

/*
 * [XSI] Definitions for UNIX IPC domain.
 */
struct	sockaddr_un {
	unsigned char	sun_len;	/* sockaddr len including null */
	sa_family_t	sun_family;	/* [XSI] AF_UNIX */
	char		sun_path[104];	/* [XSI] path name (gag) */
};

#ifndef _POSIX_C_SOURCE
/* Socket options. */
#define LOCAL_PEERCRED          0x001           /* retrieve peer credentails */
#endif	/* !_POSIX_C_SOURCE */


#ifdef KERNEL
#ifdef PRIVATE
__BEGIN_DECLS
struct mbuf;
struct socket;

int	uipc_usrreq(struct socket *so, int req, struct mbuf *m,
		struct mbuf *nam, struct mbuf *control);
int	uipc_ctloutput (struct socket *so, struct sockopt *sopt);
int	unp_connect2(struct socket *so, struct socket *so2);
void	unp_dispose(struct mbuf *m);
int	unp_externalize(struct mbuf *rights);
void	unp_init(void);
extern	struct pr_usrreqs uipc_usrreqs;
__END_DECLS
#endif /* PRIVATE */
#else /* !KERNEL */

#ifndef _POSIX_C_SOURCE
/* actual length of an initialized sockaddr_un */
#define SUN_LEN(su) \
	(sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
#endif	/* !_POSIX_C_SOURCE */

#endif /* KERNEL */

#endif /* !_SYS_UN_H_ */
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
37839358 A	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
1c79356b	11	*
37839358 A	12	* This Original Code and all software distributed under the License are
37839358 A	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
37839358 A	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
1c79356b A	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	/*
	23	* Copyright (c) 1982, 1986, 1993
	24	* The Regents of the University of California. All rights reserved.
	25	*
	26	* Redistribution and use in source and binary forms, with or without
	27	* modification, are permitted provided that the following conditions
	28	* are met:
	29	* 1. Redistributions of source code must retain the above copyright
	30	* notice, this list of conditions and the following disclaimer.
	31	* 2. Redistributions in binary form must reproduce the above copyright
	32	* notice, this list of conditions and the following disclaimer in the
	33	* documentation and/or other materials provided with the distribution.
	34	* 3. All advertising materials mentioning features or use of this software
	35	* must display the following acknowledgement:
	36	* This product includes software developed by the University of
	37	* California, Berkeley and its contributors.
	38	* 4. Neither the name of the University nor the names of its contributors
	39	* may be used to endorse or promote products derived from this software
	40	* without specific prior written permission.
	41	*
	42	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	43	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	44	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	45	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	46	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	47	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	48	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	49	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	50	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	51	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	52	* SUCH DAMAGE.
	53	*
	54	* @(#)un.h 8.3 (Berkeley) 2/19/95
	55	*/
	56
	57	#ifndef _SYS_UN_H_
	58	#define _SYS_UN_H_
	59
9bccf70c	60	#include <sys/appleapiopts.h>
91447636 A	61	#include <sys/cdefs.h>
	62	#include <sys/_types.h>
	63
	64	/* [XSI] The sa_family_t type shall be defined as described in <sys/socket.h> */
	65	#ifndef _SA_FAMILY_T
	66	#define _SA_FAMILY_T
	67	typedef __uint8_t sa_family_t;
	68	#endif
9bccf70c	69
1c79356b	70	/*
91447636	71	* [XSI] Definitions for UNIX IPC domain.
1c79356b A	72	*/
1c79356b A	73	struct sockaddr_un {
91447636 A	74	unsigned char sun_len; /* sockaddr len including null */
	75	sa_family_t sun_family; /* [XSI] AF_UNIX */
	76	char sun_path[104]; /* [XSI] path name (gag) */
1c79356b A	77	};
1c79356b A	78
91447636 A	79	#ifndef _POSIX_C_SOURCE
	80	/* Socket options. */
	81	#define LOCAL_PEERCRED 0x001 /* retrieve peer credentails */
	82	#endif /* !_POSIX_C_SOURCE */
	83
	84
1c79356b	85	#ifdef KERNEL
91447636 A	86	#ifdef PRIVATE
91447636 A	87	__BEGIN_DECLS
1c79356b A	88	struct mbuf;
	89	struct socket;
	90
91447636 A	91	int uipc_usrreq(struct socket so, int req, struct mbuf m,
	92	struct mbuf nam, struct mbuf control);
	93	int uipc_ctloutput (struct socket so, struct sockopt sopt);
	94	int unp_connect2(struct socket so, struct socket so2);
	95	void unp_dispose(struct mbuf *m);
	96	int unp_externalize(struct mbuf *rights);
	97	void unp_init(void);
1c79356b	98	extern struct pr_usrreqs uipc_usrreqs;
91447636 A	99	__END_DECLS
91447636 A	100	#endif /* PRIVATE */
1c79356b A	101	#else /* !KERNEL */
1c79356b A	102
91447636	103	#ifndef _POSIX_C_SOURCE
1c79356b A	104	/* actual length of an initialized sockaddr_un */
	105	#define SUN_LEN(su) \
	106	(sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
91447636	107	#endif /* !_POSIX_C_SOURCE */
1c79356b A	108
	109	#endif /* KERNEL */
	110
	111	#endif /* !_SYS_UN_H_ */