projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b | 1 | /* |
| 9bccf70c | 2 | * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. |
| 1c79356b A |
3 | * |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
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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. | |
| 1c79356b | 11 | * |
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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 | |
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14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
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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. | |
| 1c79356b A |
19 | * |
| 20 | * @APPLE_LICENSE_HEADER_END@ | |
| 21 | */ | |
| 22 | /* | |
| 23 | * @OSF_COPYRIGHT@ | |
| 24 | */ | |
| 1c79356b A |
25 | /* |
| 26 | * File: mach/vm_behavior.h | |
| 27 | * | |
| 28 | * Virtual memory map behavior definitions. | |
| 29 | * | |
| 30 | */ | |
| 31 | ||
| 32 | #ifndef _MACH_VM_BEHAVIOR_H_ | |
| 33 | #define _MACH_VM_BEHAVIOR_H_ | |
| 34 | ||
| 35 | /* | |
| 36 | * Types defined: | |
| 37 | * | |
| 38 | * vm_behavior_t behavior codes. | |
| 39 | */ | |
| 40 | ||
| 41 | typedef int vm_behavior_t; | |
| 42 | ||
| 43 | /* | |
| 44 | * Enumeration of valid values for vm_behavior_t. | |
| 45 | * These describe expected page reference behavior for | |
| 46 | * for a given range of virtual memory. For implementation | |
| 47 | * details see vm/vm_fault.c | |
| 48 | */ | |
| 49 | ||
| 50 | ||
| 51 | #define VM_BEHAVIOR_DEFAULT ((vm_behavior_t) 0) /* default */ | |
| 52 | #define VM_BEHAVIOR_RANDOM ((vm_behavior_t) 1) /* random */ | |
| 53 | #define VM_BEHAVIOR_SEQUENTIAL ((vm_behavior_t) 2) /* forward sequential */ | |
| 54 | #define VM_BEHAVIOR_RSEQNTL ((vm_behavior_t) 3) /* reverse sequential */ | |
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55 | #define VM_BEHAVIOR_WILLNEED ((vm_behavior_t) 4) /* will need in near future */ |
| 56 | #define VM_BEHAVIOR_DONTNEED ((vm_behavior_t) 5) /* dont need in near future */ | |
| 1c79356b A |
57 | |
| 58 | #endif /*_MACH_VM_BEHAVIOR_H_*/ |