| | 1 | /* |
| | 2 | * Copyright (c) 2000-2002 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 | * 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 */ |
| | 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 */ |
| | 57 | |
| | 58 | #endif /*_MACH_VM_BEHAVIOR_H_*/ |
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