projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 175f072e KM |
1 | /* |
| 2 | * Copyright (c) 1985, Avadis Tevanian, Jr., Michael Wayne Young | |
| 3 | * Copyright (c) 1987 Carnegie-Mellon University | |
| 4 | * Copyright (c) 1991 Regents of the University of California. | |
| 5 | * All rights reserved. | |
| 6 | * | |
| 7 | * This code is derived from software contributed to Berkeley by | |
| 8 | * The Mach Operating System project at Carnegie-Mellon University. | |
| 9 | * | |
| 10 | * The CMU software License Agreement specifies the terms and conditions | |
| 11 | * for use and redistribution. | |
| 12 | * | |
| 13 | * @(#)vm_inherit.h 7.1 (Berkeley) %G% | |
| 14 | */ | |
| 15 | ||
| 16 | /* | |
| 17 | * Virtual memory map inheritance definitions. | |
| 18 | */ | |
| 19 | ||
| 20 | #ifndef _VM_INHERIT_ | |
| 21 | #define _VM_INHERIT_ | |
| 22 | ||
| 23 | /* | |
| 24 | * Types defined: | |
| 25 | * | |
| 26 | * vm_inherit_t inheritance codes. | |
| 27 | */ | |
| 28 | ||
| 29 | typedef int vm_inherit_t; /* might want to change this */ | |
| 30 | ||
| 31 | /* | |
| 32 | * Enumeration of valid values for vm_inherit_t. | |
| 33 | */ | |
| 34 | ||
| 35 | #define VM_INHERIT_SHARE ((vm_inherit_t) 0) /* share with child */ | |
| 36 | #define VM_INHERIT_COPY ((vm_inherit_t) 1) /* copy into child */ | |
| 37 | #define VM_INHERIT_NONE ((vm_inherit_t) 2) /* absent from child */ | |
| 38 | #define VM_INHERIT_DONATE_COPY ((vm_inherit_t) 3) /* copy and delete */ | |
| 39 | ||
| 40 | #define VM_INHERIT_DEFAULT VM_INHERIT_COPY | |
| 41 | ||
| 42 | #endif _VM_INHERIT_ |