[apple/xnu.git] / osfmk / kern / host.h

/*
 * Copyright (c) 2000-2005 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@
 */
/*
 * @OSF_COPYRIGHT@
 */
/* 
 * Mach Operating System
 * Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 * 
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 * 
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */

/*
 *	kern/host.h
 *
 *	Definitions for host data structures.
 *
 */

#ifndef	_KERN_HOST_H_
#define _KERN_HOST_H_

#include <mach/mach_types.h>
#include <sys/cdefs.h>

#ifdef	MACH_KERNEL_PRIVATE

#include <kern/lock.h>
#include <kern/exception.h>
#include <mach/exception_types.h>
#include <mach/host_special_ports.h>
#include <kern/kern_types.h>


struct	host {
	decl_mutex_data(,lock)		/* lock to protect exceptions */
	ipc_port_t special[HOST_MAX_SPECIAL_PORT + 1];
	struct exception_action exc_actions[EXC_TYPES_COUNT];
};

typedef struct host	host_data_t;

extern host_data_t	realhost;

#define host_lock(host)		mutex_lock(&(host)->lock)
#define host_unlock(host)	mutex_unlock(&(host)->lock)

#endif	/* MACH_KERNEL_PRIVATE */

/*
 * Access routines for inside the kernel.
 */

__BEGIN_DECLS

extern host_t			host_self(void);
extern host_priv_t		host_priv_self(void);
extern host_security_t	host_security_self(void);

__END_DECLS

#endif	/* _KERN_HOST_H_ */
Commit	Line	Data
1c79356b	1	/*
91447636	2	* Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
1c79356b A	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	* @OSF_COPYRIGHT@
	24	*/
	25	/*
	26	* Mach Operating System
	27	* Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University
	28	* All Rights Reserved.
	29	*
	30	* Permission to use, copy, modify and distribute this software and its
	31	* documentation is hereby granted, provided that both the copyright
	32	* notice and this permission notice appear in all copies of the
	33	* software, derivative works or modified versions, and any portions
	34	* thereof, and that both notices appear in supporting documentation.
	35	*
	36	* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
	37	* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
	38	* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
	39	*
	40	* Carnegie Mellon requests users of this software to return to
	41	*
	42	* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
	43	* School of Computer Science
	44	* Carnegie Mellon University
	45	* Pittsburgh PA 15213-3890
	46	*
	47	* any improvements or extensions that they make and grant Carnegie Mellon
	48	* the rights to redistribute these changes.
	49	*/
1c79356b A	50
	51	/*
	52	* kern/host.h
	53	*
	54	* Definitions for host data structures.
	55	*
	56	*/
	57
	58	#ifndef _KERN_HOST_H_
	59	#define _KERN_HOST_H_
	60
	61	#include <mach/mach_types.h>
91447636	62	#include <sys/cdefs.h>
9bccf70c	63
91447636	64	#ifdef MACH_KERNEL_PRIVATE
9bccf70c	65
1c79356b A	66	#include <kern/lock.h>
1c79356b A	67	#include <kern/exception.h>
9bccf70c	68	#include <mach/exception_types.h>
55e303ae	69	#include <mach/host_special_ports.h>
9bccf70c A	70	#include <kern/kern_types.h>
9bccf70c A	71
1c79356b A	72
	73	struct host {
	74	decl_mutex_data(,lock) /* lock to protect exceptions */
55e303ae	75	ipc_port_t special[HOST_MAX_SPECIAL_PORT + 1];
1c79356b A	76	struct exception_action exc_actions[EXC_TYPES_COUNT];
	77	};
	78
	79	typedef struct host host_data_t;
	80
	81	extern host_data_t realhost;
	82
	83	#define host_lock(host) mutex_lock(&(host)->lock)
	84	#define host_unlock(host) mutex_unlock(&(host)->lock)
	85
91447636	86	#endif /* MACH_KERNEL_PRIVATE */
9bccf70c	87
1c79356b A	88	/*
	89	* Access routines for inside the kernel.
	90	*/
91447636 A	91
	92	__BEGIN_DECLS
	93
	94	extern host_t host_self(void);
	95	extern host_priv_t host_priv_self(void);
	96	extern host_security_t host_security_self(void);
	97
	98	__END_DECLS
1c79356b A	99
1c79356b A	100	#endif /* _KERN_HOST_H_ */