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- /*
- * Mach Operating System
- * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
- * All Rights Reserved.
- *
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- *
- * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
- * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * Carnegie Mellon requests users of this software to return to
- *
- * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
- * School of Computer Science
- * Carnegie Mellon University
- * Pittsburgh PA 15213-3890
- *
- * any improvements or extensions that they make and grant Carnegie Mellon
- * the rights to redistribute these changes.
- */
- /*
- * File: vm/vm_fault.h
- *
- * Page fault handling module declarations.
- */
- #ifndef _VM_VM_FAULT_H_
- #define _VM_VM_FAULT_H_
- #include <mach/kern_return.h>
- #include <mach/vm_prot.h>
- #include <vm/vm_map.h>
- #include <vm/vm_types.h>
- /*
- * Page fault handling based on vm_object only.
- */
- typedef kern_return_t vm_fault_return_t;
- #define VM_FAULT_SUCCESS 0
- #define VM_FAULT_RETRY 1
- #define VM_FAULT_INTERRUPTED 2
- #define VM_FAULT_MEMORY_SHORTAGE 3
- #define VM_FAULT_FICTITIOUS_SHORTAGE 4
- #define VM_FAULT_MEMORY_ERROR 5
- extern void vm_fault_init(void);
- extern vm_fault_return_t vm_fault_page(vm_object_t, vm_offset_t, vm_prot_t,
- boolean_t, boolean_t, vm_prot_t *,
- vm_page_t *, vm_page_t *, boolean_t,
- void (*)());
- extern void vm_fault_cleanup(vm_object_t, vm_page_t);
- /*
- * Page fault handling based on vm_map (or entries therein)
- */
- extern kern_return_t vm_fault(vm_map_t, vm_offset_t, vm_prot_t, boolean_t,
- boolean_t, void (*)());
- extern void vm_fault_wire(vm_map_t, vm_map_entry_t);
- extern void vm_fault_unwire(vm_map_t, vm_map_entry_t);
- /* Copy pages from one object to another. */
- extern kern_return_t vm_fault_copy(vm_object_t, vm_offset_t, vm_size_t *,
- vm_object_t, vm_offset_t, vm_map_t,
- vm_map_version_t *, boolean_t);
- kern_return_t vm_fault_wire_fast(
- vm_map_t map,
- vm_offset_t va,
- vm_map_entry_t entry);
- #endif /* _VM_VM_FAULT_H_ */
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