osfmk/mach/vm_inherit.h

   1 /*
   2  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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  20  * Please see the License for the specific language governing rights and
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  24  */
  25 /*
  26  * @OSF_COPYRIGHT@
  27  */
  28 /*
  29  * Mach Operating System
  30  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  31  * All Rights Reserved.
  32  *
  33  * Permission to use, copy, modify and distribute this software and its
  34  * documentation is hereby granted, provided that both the copyright
  35  * notice and this permission notice appear in all copies of the
  36  * software, derivative works or modified versions, and any portions
  37  * thereof, and that both notices appear in supporting documentation.
  38  *
  39  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  40  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  41  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  42  *
  43  * Carnegie Mellon requests users of this software to return to
  44  *
  45  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  46  *  School of Computer Science
  47  *  Carnegie Mellon University
  48  *  Pittsburgh PA 15213-3890
  49  *
  50  * any improvements or extensions that they make and grant Carnegie Mellon
  51  * the rights to redistribute these changes.
  52  */
  53 /*
  54  */
  55 /*
  56  *      File:   mach/vm_inherit.h
  57  *      Author: Avadis Tevanian, Jr., Michael Wayne Young
  58  *
  59  *      Virtual memory map inheritance definitions.
  60  *
  61  */
  62
  63 #ifndef VM_INHERIT_H_
  64 #define VM_INHERIT_H_
  65
  66 /*
  67  *      Types defined:
  68  *
  69  *      vm_inherit_t    inheritance codes.
  70  */
  71
  72 typedef unsigned int            vm_inherit_t;   /* might want to change this */
  73
  74 /*
  75  *      Enumeration of valid values for vm_inherit_t.
  76  */
  77
  78 #define VM_INHERIT_SHARE        ((vm_inherit_t) 0)      /* share with child */
  79 #define VM_INHERIT_COPY         ((vm_inherit_t) 1)      /* copy into child */
  80 #define VM_INHERIT_NONE         ((vm_inherit_t) 2)      /* absent from child */
  81 #define VM_INHERIT_DONATE_COPY  ((vm_inherit_t) 3)      /* copy and delete */
  82
  83 #define VM_INHERIT_DEFAULT      VM_INHERIT_COPY
  84 #define VM_INHERIT_LAST_VALID VM_INHERIT_NONE
  85
  86 #endif  /* VM_INHERIT_H_ */