Source to vm/vm_prot.h
* Copyright (c) 1991 Regents of the University of California.
* All rights reserved.
* This code is derived from software contributed to Berkeley by
* The Mach Operating System project at Carnegie-Mellon University.
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* from: @(#)vm_prot.h 7.2 (Berkeley) 4/21/91
* vm_prot.h,v 1.3 1993/05/20 03:59:45 cgd Exp
* Copyright (c) 1987, 1990 Carnegie-Mellon University.
* All rights reserved.
* Authors: Avadis Tevanian, Jr., Michael Wayne Young
* 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 [email protected]
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
* Virtual memory protection definitions.
* Types defined:
* vm_prot_t VM protection values.
typedef int vm_prot_t;
* Protection values, defined as bits within the vm_prot_t type
#define VM_PROT_NONE ((vm_prot_t) 0x00)
#define VM_PROT_READ ((vm_prot_t) 0x01) /* read permission */
#define VM_PROT_WRITE ((vm_prot_t) 0x02) /* write permission */
#define VM_PROT_EXECUTE ((vm_prot_t) 0x04) /* execute permission */
* The default protection for newly-created virtual memory
#define VM_PROT_DEFAULT (VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE)
* The maximum privileges possible, for parameter checking.
#define VM_PROT_ALL (VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE)
#endif /* !_VM_VM_PROT_H_ */