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

/*
 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_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. 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_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	*
ff6e181a 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. Please obtain a copy of the License at
	10	* http://www.opensource.apple.com/apsl/ and read it before using this
	11	* file.
1c79356b	12	*
ff6e181a A	13	* The Original Code and all software distributed under the License are
ff6e181a A	14	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	15	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	16	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
ff6e181a A	17	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	18	* Please see the License for the specific language governing rights and
	19	* limitations under the License.
1c79356b A	20	*
	21	* @APPLE_LICENSE_HEADER_END@
	22	*/
	23	/*
	24	* @OSF_COPYRIGHT@
	25	*/
	26	/*
	27	* Mach Operating System
	28	* Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University
	29	* All Rights Reserved.
	30	*
	31	* Permission to use, copy, modify and distribute this software and its
	32	* documentation is hereby granted, provided that both the copyright
	33	* notice and this permission notice appear in all copies of the
	34	* software, derivative works or modified versions, and any portions
	35	* thereof, and that both notices appear in supporting documentation.
	36	*
	37	* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
	38	* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
	39	* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
	40	*
	41	* Carnegie Mellon requests users of this software to return to
	42	*
	43	* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
	44	* School of Computer Science
	45	* Carnegie Mellon University
	46	* Pittsburgh PA 15213-3890
	47	*
	48	* any improvements or extensions that they make and grant Carnegie Mellon
	49	* the rights to redistribute these changes.
	50	*/
1c79356b A	51
	52	/*
	53	* kern/host.h
	54	*
	55	* Definitions for host data structures.
	56	*
	57	*/
	58
	59	#ifndef _KERN_HOST_H_
	60	#define _KERN_HOST_H_
	61
	62	#include <mach/mach_types.h>
91447636	63	#include <sys/cdefs.h>
9bccf70c	64
91447636	65	#ifdef MACH_KERNEL_PRIVATE
9bccf70c	66
1c79356b A	67	#include <kern/lock.h>
1c79356b A	68	#include <kern/exception.h>
9bccf70c	69	#include <mach/exception_types.h>
55e303ae	70	#include <mach/host_special_ports.h>
9bccf70c A	71	#include <kern/kern_types.h>
9bccf70c A	72
1c79356b A	73
	74	struct host {
	75	decl_mutex_data(,lock) /* lock to protect exceptions */
55e303ae	76	ipc_port_t special[HOST_MAX_SPECIAL_PORT + 1];
1c79356b A	77	struct exception_action exc_actions[EXC_TYPES_COUNT];
	78	};
	79
	80	typedef struct host host_data_t;
	81
	82	extern host_data_t realhost;
	83
	84	#define host_lock(host) mutex_lock(&(host)->lock)
	85	#define host_unlock(host) mutex_unlock(&(host)->lock)
	86
91447636	87	#endif /* MACH_KERNEL_PRIVATE */
9bccf70c	88
1c79356b A	89	/*
	90	* Access routines for inside the kernel.
	91	*/
91447636 A	92
	93	__BEGIN_DECLS
	94
	95	extern host_t host_self(void);
	96	extern host_priv_t host_priv_self(void);
	97	extern host_security_t host_security_self(void);
	98
	99	__END_DECLS
1c79356b A	100
1c79356b A	101	#endif /* _KERN_HOST_H_ */