Source to osfmk/mach/vm_inherit.h

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/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * @OSF_COPYRIGHT@
 */
/*
 * HISTORY
 * 
 * Revision 1.1.1.1  1998/09/22 21:05:31  wsanchez
 * Import of Mac OS X kernel (~semeria)
 *
 * Revision 1.1.1.1  1998/03/07 02:25:46  wsanchez
 * Import of OSF Mach kernel (~mburg)
 *
 * Revision 1.2.9.1  1994/09/23  02:44:12  ezf
 * 	change marker to not FREE
 * 	[1994/09/22  21:43:38  ezf]
 *
 * Revision 1.2.6.1  1994/02/17  16:25:09  rwd
 * 	Add VM_INHERIT_LAST_VALID
 * 	[94/02/16            rwd]
 * 
 * Revision 1.2.2.2  1993/06/09  02:44:13  gm
 * 	Added to OSF/1 R1.3 from NMK15.0.
 * 	[1993/06/02  21:18:44  jeffc]
 * 
 * Revision 1.2  1993/04/19  16:40:30  devrcs
 * 	ansi C conformance changes
 * 	[1993/02/02  18:55:45  david]
 * 
 * Revision 1.1  1992/09/30  02:32:24  robert
 * 	Initial revision
 * 
 * $EndLog$
 */
/* CMU_HIST */
/*
 * Revision 2.3  91/05/14  17:02:47  mrt
 * 	Correcting copyright
 * 
 * Revision 2.2  91/02/05  17:37:31  mrt
 * 	Changed to new Mach copyright
 * 	[91/02/01  17:22:24  mrt]
 * 
 * Revision 2.1  89/08/03  16:06:30  rwd
 * Created.
 * 
 * Revision 2.3  89/02/25  18:42:18  gm0w
 * 	Changes for cleanup.
 * 
 * 16-Sep-85  Avadis Tevanian (avie) at Carnegie-Mellon University
 *	Created.
 *
 */
/* CMU_ENDHIST */
/* 
 * 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  [email protected]
 *  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:	mach/vm_inherit.h
 *	Author:	Avadis Tevanian, Jr., Michael Wayne Young
 *
 *	Virtual memory map inheritance definitions.
 *
 */

#ifndef	VM_INHERIT_H_
#define	VM_INHERIT_H_

/*
 *	Types defined:
 *
 *	vm_inherit_t	inheritance codes.
 */

typedef unsigned int		vm_inherit_t;	/* might want to change this */

/*
 *	Enumeration of valid values for vm_inherit_t.
 */

#define	VM_INHERIT_SHARE	((vm_inherit_t) 0)	/* share with child */
#define	VM_INHERIT_COPY		((vm_inherit_t) 1)	/* copy into child */
#define VM_INHERIT_NONE		((vm_inherit_t) 2)	/* absent from child */
#define	VM_INHERIT_DONATE_COPY	((vm_inherit_t) 3)	/* copy and delete */

#define VM_INHERIT_DEFAULT	VM_INHERIT_COPY
#define VM_INHERIT_LAST_VALID VM_INHERIT_NONE

#endif	/* VM_INHERIT_H_ */