xref: /xnu-12377.41.6/osfmk/mach/vm_sync.h (revision bbb1b6f9e71b8cdde6e5cd6f4841f207dee3d828)
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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.
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37  * documentation is hereby granted, provided that both the copyright
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44  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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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  *  When making a new VM_SYNC_*, update tests vm_parameter_validation_[user|kern]
72  *  and their expected results; they deliberately call VM functions with invalid
73  *  sync values and you may be turning one of those invalid syncs valid.
74  */
75 
76 #define VM_SYNC_ASYNCHRONOUS    ((vm_sync_t) 0x01)
77 #define VM_SYNC_SYNCHRONOUS     ((vm_sync_t) 0x02)
78 #define VM_SYNC_INVALIDATE      ((vm_sync_t) 0x04)
79 #define VM_SYNC_KILLPAGES       ((vm_sync_t) 0x08)
80 #define VM_SYNC_DEACTIVATE      ((vm_sync_t) 0x10)
81 #define VM_SYNC_CONTIGUOUS      ((vm_sync_t) 0x20)
82 #define VM_SYNC_REUSABLEPAGES   ((vm_sync_t) 0x40)
83 
84 #endif  /* _MACH_VM_SYNC_H_ */
85