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1/*
2 * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3 *
8f6c56a5 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
91447636 5 *
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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
8ad349bb 24 * limitations under the License.
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25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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27 */
28
29/*
30 * Virtual memory map purgable object definitions.
31 *
32 */
33
34#ifndef _MACH_VM_PURGABLE_H_
35#define _MACH_VM_PURGABLE_H_
36
37/*
38 * Types defined:
39 *
40 * vm_purgable_t purgable object control codes.
41 */
42
43typedef int vm_purgable_t;
44
45/*
46 * Enumeration of valid values for vm_purgable_t.
47 */
48#define VM_PURGABLE_SET_STATE ((vm_purgable_t) 0) /* set state of purgable object */
49#define VM_PURGABLE_GET_STATE ((vm_purgable_t) 1) /* get state of purgable object */
50
51/*
52 * Valid states of a purgable object.
53 */
54#define VM_PURGABLE_STATE_MIN 0 /* minimum purgable object state value */
55#define VM_PURGABLE_STATE_MAX 2 /* maximum purgable object state value */
56
57#define VM_PURGABLE_NONVOLATILE 0 /* purgable object is non-volatile */
58#define VM_PURGABLE_VOLATILE 1 /* purgable object is volatile */
59#define VM_PURGABLE_EMPTY 2 /* purgable object is volatile and empty */
60
61#endif /* _MACH_VM_PURGABLE_H_ */