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

/*
 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_OSREFERENCE_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	3	*
2d21ac55	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	5	*
2d21ac55 A	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.
8f6c56a5	14	*
2d21ac55 A	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
8f6c56a5 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	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.
8f6c56a5	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	/*
	29	* @OSF_COPYRIGHT@
	30	*/
	31	/*
	32	* Mach Operating System
	33	* Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University
	34	* All Rights Reserved.
	35	*
	36	* Permission to use, copy, modify and distribute this software and its
	37	* documentation is hereby granted, provided that both the copyright
	38	* notice and this permission notice appear in all copies of the
	39	* software, derivative works or modified versions, and any portions
	40	* thereof, and that both notices appear in supporting documentation.
	41	*
	42	* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
	43	* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
	44	* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
	45	*
	46	* Carnegie Mellon requests users of this software to return to
	47	*
	48	* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
	49	* School of Computer Science
	50	* Carnegie Mellon University
	51	* Pittsburgh PA 15213-3890
	52	*
	53	* any improvements or extensions that they make and grant Carnegie Mellon
	54	* the rights to redistribute these changes.
	55	*/
1c79356b A	56
	57	/*
	58	* kern/host.h
	59	*
	60	* Definitions for host data structures.
	61	*
	62	*/
	63
	64	#ifndef _KERN_HOST_H_
	65	#define _KERN_HOST_H_
	66
	67	#include <mach/mach_types.h>
91447636	68	#include <sys/cdefs.h>
9bccf70c	69
91447636	70	#ifdef MACH_KERNEL_PRIVATE
9bccf70c	71
1c79356b A	72	#include <kern/lock.h>
1c79356b A	73	#include <kern/exception.h>
9bccf70c	74	#include <mach/exception_types.h>
55e303ae	75	#include <mach/host_special_ports.h>
9bccf70c A	76	#include <kern/kern_types.h>
9bccf70c A	77
1c79356b A	78
	79	struct host {
	80	decl_mutex_data(,lock) /* lock to protect exceptions */
55e303ae	81	ipc_port_t special[HOST_MAX_SPECIAL_PORT + 1];
1c79356b A	82	struct exception_action exc_actions[EXC_TYPES_COUNT];
	83	};
	84
	85	typedef struct host host_data_t;
	86
	87	extern host_data_t realhost;
	88
	89	#define host_lock(host) mutex_lock(&(host)->lock)
	90	#define host_unlock(host) mutex_unlock(&(host)->lock)
	91
91447636	92	#endif /* MACH_KERNEL_PRIVATE */
9bccf70c	93
1c79356b A	94	/*
	95	* Access routines for inside the kernel.
	96	*/
91447636 A	97
	98	__BEGIN_DECLS
	99
	100	extern host_t host_self(void);
	101	extern host_priv_t host_priv_self(void);
	102	extern host_security_t host_security_self(void);
	103
	104	__END_DECLS
1c79356b A	105
1c79356b A	106	#endif /* _KERN_HOST_H_ */