[apple/xnu.git] / osfmk / mach / vm_inherit.h

/*
 * 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  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:	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_ */
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
	11	*
	12	* This Original Code and all software distributed under the License are
	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	/*
	23	* @OSF_COPYRIGHT@
	24	*/
	25	/*
	26	* HISTORY
	27	*
	28	* Revision 1.1.1.1 1998/09/22 21:05:31 wsanchez
	29	* Import of Mac OS X kernel (~semeria)
	30	*
	31	* Revision 1.1.1.1 1998/03/07 02:25:46 wsanchez
	32	* Import of OSF Mach kernel (~mburg)
	33	*
	34	* Revision 1.2.9.1 1994/09/23 02:44:12 ezf
	35	* change marker to not FREE
	36	* [1994/09/22 21:43:38 ezf]
	37	*
	38	* Revision 1.2.6.1 1994/02/17 16:25:09 rwd
	39	* Add VM_INHERIT_LAST_VALID
	40	* [94/02/16 rwd]
	41	*
	42	* Revision 1.2.2.2 1993/06/09 02:44:13 gm
	43	* Added to OSF/1 R1.3 from NMK15.0.
	44	* [1993/06/02 21:18:44 jeffc]
	45	*
	46	* Revision 1.2 1993/04/19 16:40:30 devrcs
	47	* ansi C conformance changes
	48	* [1993/02/02 18:55:45 david]
	49	*
	50	* Revision 1.1 1992/09/30 02:32:24 robert
	51	* Initial revision
	52	*
	53	* $EndLog$
	54	*/
	55	/* CMU_HIST */
	56	/*
	57	* Revision 2.3 91/05/14 17:02:47 mrt
	58	* Correcting copyright
	59	*
	60	* Revision 2.2 91/02/05 17:37:31 mrt
	61	* Changed to new Mach copyright
	62	* [91/02/01 17:22:24 mrt]
	63	*
	64	* Revision 2.1 89/08/03 16:06:30 rwd
65	* Created.
66	*
67	* Revision 2.3 89/02/25 18:42:18 gm0w
68	* Changes for cleanup.
69	*
70	* 16-Sep-85 Avadis Tevanian (avie) at Carnegie-Mellon University
71	* Created.
72	*
73	*/
74	/* CMU_ENDHIST */
75	/*
76	* Mach Operating System
77	* Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
78	* All Rights Reserved.
79	*
80	* Permission to use, copy, modify and distribute this software and its
81	* documentation is hereby granted, provided that both the copyright
82	* notice and this permission notice appear in all copies of the
83	* software, derivative works or modified versions, and any portions
84	* thereof, and that both notices appear in supporting documentation.
85	*
86	* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
87	* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
88	* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
89	*
90	* Carnegie Mellon requests users of this software to return to
91	*
92	* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
93	* School of Computer Science
94	* Carnegie Mellon University
95	* Pittsburgh PA 15213-3890
96	*
97	* any improvements or extensions that they make and grant Carnegie Mellon
98	* the rights to redistribute these changes.
99	*/
100	/*
101	*/
102	/*
103	* File: mach/vm_inherit.h
104	* Author: Avadis Tevanian, Jr., Michael Wayne Young
105	*
106	* Virtual memory map inheritance definitions.
107	*
108	*/
109
110	#ifndef VM_INHERIT_H_
111	#define VM_INHERIT_H_
112
113	/*
114	* Types defined:
115	*
116	* vm_inherit_t inheritance codes.
117	*/
118
119	typedef unsigned int vm_inherit_t; /* might want to change this */
120
121	/*
122	* Enumeration of valid values for vm_inherit_t.
123	*/
124
125	#define VM_INHERIT_SHARE ((vm_inherit_t) 0) /* share with child */
126	#define VM_INHERIT_COPY ((vm_inherit_t) 1) /* copy into child */
127	#define VM_INHERIT_NONE ((vm_inherit_t) 2) /* absent from child */
128	#define VM_INHERIT_DONATE_COPY ((vm_inherit_t) 3) /* copy and delete */
129
130	#define VM_INHERIT_DEFAULT VM_INHERIT_COPY
131	#define VM_INHERIT_LAST_VALID VM_INHERIT_NONE
132
133	#endif /* VM_INHERIT_H_ */