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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
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.
11 *
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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.
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 */
50/*
51 */
52
53/*
54 * kern/host.h
55 *
56 * Definitions for host data structures.
57 *
58 */
59
60#ifndef _KERN_HOST_H_
61#define _KERN_HOST_H_
62
63#include <mach/mach_types.h>
64#include <mach/exception_types.h>
65#include <kern/kern_types.h>
66
67#ifdef MACH_KERNEL_PRIVATE
68#include <kern/lock.h>
69#include <kern/exception.h>
70
71struct host {
72 decl_mutex_data(,lock) /* lock to protect exceptions */
73 ipc_port_t host_self;
74 ipc_port_t host_priv_self;
75 ipc_port_t host_security_self;
76 ipc_port_t io_master;
77 struct exception_action exc_actions[EXC_TYPES_COUNT];
78};
79
80typedef struct host host_data_t;
81
82extern host_data_t realhost;
83
84#define host_lock(host) mutex_lock(&(host)->lock)
85#define host_unlock(host) mutex_unlock(&(host)->lock)
86
87#endif /* MACH_KERNEL_PRIVATE */
88
89/*
90 * Access routines for inside the kernel.
91 */
92extern host_t host_self(void);
93extern host_priv_t host_priv_self(void);
94extern host_security_t host_security_self(void);
95
96#endif /* _KERN_HOST_H_ */