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1 | /* |
2 | * Copyright (c) 1991 Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * %sccs.include.redist.c% | |
6 | * | |
d488f460 | 7 | * @(#)vm.h 7.5 (Berkeley) %G% |
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8 | */ |
9 | ||
10 | #ifndef VM_H | |
11 | #define VM_H | |
91d38971 KB |
12 | |
13 | typedef int vm_inherit_t; /* XXX: inheritance codes */ | |
14 | ||
15 | union vm_map_object; | |
16 | typedef union vm_map_object vm_map_object_t; | |
17 | ||
18 | struct vm_map_entry; | |
19 | typedef struct vm_map_entry *vm_map_entry_t; | |
20 | ||
21 | struct vm_map; | |
22 | typedef struct vm_map *vm_map_t; | |
23 | ||
24 | struct vm_object; | |
25 | typedef struct vm_object *vm_object_t; | |
26 | ||
27 | struct vm_page; | |
28 | typedef struct vm_page *vm_page_t; | |
29 | ||
30 | struct pager_struct; | |
31 | typedef struct pager_struct *vm_pager_t; | |
32 | ||
33 | #include <sys/vmmeter.h> | |
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34 | #include <sys/queue.h> |
35 | ||
36 | /* | |
37 | * Compatibility with old MACH queue.h | |
38 | */ | |
39 | typedef struct queue_entry *queue_t; | |
40 | typedef struct queue_entry queue_head_t; | |
41 | typedef struct queue_entry queue_chain_t; | |
42 | typedef struct queue_entry *queue_entry_t; | |
43 | ||
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44 | #define queue_first(head) ((head)->qe_next) |
45 | #define queue_next(elm) ((elm)->qe_next) | |
46 | #define queue_empty(head) ((head)->qe_next == 0) | |
47 | #define queue_end(head, elm) ((elm) == 0) | |
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48 | |
49 | #define queue_enter(head, elt, type, field) \ | |
50 | queue_enter_tail(head, elt, type, field) | |
51 | ||
52 | #define queue_remove_first(head, elt, type, field) { \ | |
53 | elt = queue_first(head); \ | |
54 | queue_remove(head, elt, type, field) \ | |
55 | } | |
91d38971 | 56 | |
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57 | #include <vm/vm_param.h> |
58 | #include <vm/lock.h> | |
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59 | #include <vm/vm_prot.h> |
60 | #include <vm/vm_inherit.h> | |
61 | #include <vm/vm_map.h> | |
62 | #include <vm/vm_object.h> | |
ae9225c5 | 63 | #include <vm/pmap.h> |
91d38971 | 64 | #include <vm/vm_extern.h> |
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65 | |
66 | /* | |
67 | * Shareable process virtual address space. | |
68 | * May eventually be merged with vm_map. | |
69 | * Several fields are temporary (text, data stuff). | |
70 | */ | |
71 | struct vmspace { | |
72 | struct vm_map vm_map; /* VM address map */ | |
73 | struct pmap vm_pmap; /* private physical map */ | |
74 | int vm_refcnt; /* number of references */ | |
75 | caddr_t vm_shm; /* SYS5 shared memory private data XXX */ | |
76 | /* we copy from vm_startcopy to the end of the structure on fork */ | |
77 | #define vm_startcopy vm_rssize | |
78 | segsz_t vm_rssize; /* current resident set size in pages */ | |
79 | segsz_t vm_swrss; /* resident set size before last swap */ | |
80 | segsz_t vm_tsize; /* text size (pages) XXX */ | |
81 | segsz_t vm_dsize; /* data size (pages) XXX */ | |
82 | segsz_t vm_ssize; /* stack size (pages) */ | |
83 | caddr_t vm_taddr; /* user virtual address of text XXX */ | |
84 | caddr_t vm_daddr; /* user virtual address of data XXX */ | |
85 | caddr_t vm_maxsaddr; /* user VA at max stack growth */ | |
86 | }; | |
ae9225c5 | 87 | #endif /* VM_H */ |