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175f072e | 1 | /* |
175f072e KM |
2 | * Copyright (c) 1991 Regents of the University of California. |
3 | * All rights reserved. | |
4 | * | |
5 | * This code is derived from software contributed to Berkeley by | |
6 | * The Mach Operating System project at Carnegie-Mellon University. | |
7 | * | |
0e24ad83 | 8 | * %sccs.include.redist.c% |
175f072e | 9 | * |
0e24ad83 KM |
10 | * @(#)vm_inherit.h 7.2 (Berkeley) %G% |
11 | * | |
12 | * | |
13 | * Copyright (c) 1987, 1990 Carnegie-Mellon University. | |
14 | * All rights reserved. | |
15 | * | |
16 | * Authors: Avadis Tevanian, Jr., Michael Wayne Young | |
17 | * | |
18 | * Permission to use, copy, modify and distribute this software and | |
19 | * its documentation is hereby granted, provided that both the copyright | |
20 | * notice and this permission notice appear in all copies of the | |
21 | * software, derivative works or modified versions, and any portions | |
22 | * thereof, and that both notices appear in supporting documentation. | |
23 | * | |
24 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" | |
25 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND | |
26 | * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. | |
27 | * | |
28 | * Carnegie Mellon requests users of this software to return to | |
29 | * | |
30 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU | |
31 | * School of Computer Science | |
32 | * Carnegie Mellon University | |
33 | * Pittsburgh PA 15213-3890 | |
34 | * | |
35 | * any improvements or extensions that they make and grant Carnegie the | |
36 | * rights to redistribute these changes. | |
175f072e KM |
37 | */ |
38 | ||
39 | /* | |
40 | * Virtual memory map inheritance definitions. | |
41 | */ | |
42 | ||
43 | #ifndef _VM_INHERIT_ | |
44 | #define _VM_INHERIT_ | |
45 | ||
46 | /* | |
47 | * Types defined: | |
48 | * | |
49 | * vm_inherit_t inheritance codes. | |
50 | */ | |
51 | ||
52 | typedef int vm_inherit_t; /* might want to change this */ | |
53 | ||
54 | /* | |
55 | * Enumeration of valid values for vm_inherit_t. | |
56 | */ | |
57 | ||
58 | #define VM_INHERIT_SHARE ((vm_inherit_t) 0) /* share with child */ | |
59 | #define VM_INHERIT_COPY ((vm_inherit_t) 1) /* copy into child */ | |
60 | #define VM_INHERIT_NONE ((vm_inherit_t) 2) /* absent from child */ | |
61 | #define VM_INHERIT_DONATE_COPY ((vm_inherit_t) 3) /* copy and delete */ | |
62 | ||
63 | #define VM_INHERIT_DEFAULT VM_INHERIT_COPY | |
64 | ||
65 | #endif _VM_INHERIT_ |