osfmk/mach/vm_inherit.h

   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_ */