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1.1.1.2 root 1: /*
1.1 root 2: * Mach Operating System
3: * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
4: * All Rights Reserved.
1.1.1.2 root 5: *
1.1 root 6: * Permission to use, copy, modify and distribute this software and its
7: * documentation is hereby granted, provided that both the copyright
8: * notice and this permission notice appear in all copies of the
9: * software, derivative works or modified versions, and any portions
10: * thereof, and that both notices appear in supporting documentation.
1.1.1.2 root 11: *
1.1 root 12: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
13: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
14: * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
1.1.1.2 root 15: *
1.1 root 16: * Carnegie Mellon requests users of this software to return to
1.1.1.2 root 17: *
1.1 root 18: * Software Distribution Coordinator or [email protected]
19: * School of Computer Science
20: * Carnegie Mellon University
21: * Pittsburgh PA 15213-3890
1.1.1.2 root 22: *
1.1 root 23: * any improvements or extensions that they make and grant Carnegie Mellon
24: * the rights to redistribute these changes.
25: */
26: /*
27: * File: vm/vm_fault.h
28: *
29: * Page fault handling module declarations.
30: */
31:
32: #ifndef _VM_VM_FAULT_H_
33: #define _VM_VM_FAULT_H_
34:
35: #include <mach/kern_return.h>
1.1.1.3 root 36: #include <mach/vm_prot.h>
37: #include <vm/vm_map.h>
38: #include <vm/vm_types.h>
1.1 root 39:
40: /*
41: * Page fault handling based on vm_object only.
42: */
43:
44: typedef kern_return_t vm_fault_return_t;
45: #define VM_FAULT_SUCCESS 0
46: #define VM_FAULT_RETRY 1
47: #define VM_FAULT_INTERRUPTED 2
48: #define VM_FAULT_MEMORY_SHORTAGE 3
49: #define VM_FAULT_FICTITIOUS_SHORTAGE 4
50: #define VM_FAULT_MEMORY_ERROR 5
51:
1.1.1.3 root 52: extern void vm_fault_init(void);
53: extern vm_fault_return_t vm_fault_page(vm_object_t, vm_offset_t, vm_prot_t,
54: boolean_t, boolean_t, vm_prot_t *,
55: vm_page_t *, vm_page_t *, boolean_t,
56: void (*)());
1.1 root 57:
1.1.1.3 root 58: extern void vm_fault_cleanup(vm_object_t, vm_page_t);
1.1 root 59: /*
60: * Page fault handling based on vm_map (or entries therein)
61: */
62:
1.1.1.3 root 63: extern kern_return_t vm_fault(vm_map_t, vm_offset_t, vm_prot_t, boolean_t,
64: boolean_t, void (*)());
65: extern void vm_fault_wire(vm_map_t, vm_map_entry_t);
66: extern void vm_fault_unwire(vm_map_t, vm_map_entry_t);
67:
68: /* Copy pages from one object to another. */
69: extern kern_return_t vm_fault_copy(vm_object_t, vm_offset_t, vm_size_t *,
70: vm_object_t, vm_offset_t, vm_map_t,
71: vm_map_version_t *, boolean_t);
1.1.1.4 ! root 72:
! 73: kern_return_t vm_fault_wire_fast(
! 74: vm_map_t map,
! 75: vm_offset_t va,
! 76: vm_map_entry_t entry);
! 77:
1.1.1.2 root 78: #endif /* _VM_VM_FAULT_H_ */
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