]> git.saurik.com Git - apple/xnu.git/blob - osfmk/mach/vm_sync.h
xnu-3247.10.11.tar.gz
[apple/xnu.git] / osfmk / mach / vm_sync.h
1 /*
2 * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
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.
14 *
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
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28 /*
29 * @OSF_COPYRIGHT@
30 */
31 /*
32 * Mach Operating System
33 * Copyright (c) 1991,1990,1989,1988,1987 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 */
56 /*
57 * File: mach/vm_sync.h
58 *
59 * Virtual memory synchronisation definitions.
60 *
61 */
62
63 #ifndef _MACH_VM_SYNC_H_
64 #define _MACH_VM_SYNC_H_
65
66 typedef unsigned vm_sync_t;
67
68 /*
69 * Synchronization flags, defined as bits within the vm_sync_t type
70 */
71
72 #define VM_SYNC_ASYNCHRONOUS ((vm_sync_t) 0x01)
73 #define VM_SYNC_SYNCHRONOUS ((vm_sync_t) 0x02)
74 #define VM_SYNC_INVALIDATE ((vm_sync_t) 0x04)
75 #define VM_SYNC_KILLPAGES ((vm_sync_t) 0x08)
76 #define VM_SYNC_DEACTIVATE ((vm_sync_t) 0x10)
77 #define VM_SYNC_CONTIGUOUS ((vm_sync_t) 0x20)
78 #define VM_SYNC_REUSABLEPAGES ((vm_sync_t) 0x40)
79
80 #endif /* _MACH_VM_SYNC_H_ */