Source to vm/vm_prot.h
* Copyright (c) 1991 Regents of the University of California.
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* This code is derived from software contributed to Berkeley by
* The Mach Operating System project at Carnegie-Mellon University.
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* @(#)vm_prot.h 7.2 (Berkeley) 4/21/91
* 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
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* software, derivative works or modified versions, and any portions
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* Carnegie Mellon University
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* any improvements or extensions that they make and grant Carnegie the
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* 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)