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1 #ifndef	_SYS_MMAN_H
2 #define	_SYS_MMAN_H
3 #ifdef __cplusplus
4 extern "C" {
5 #endif
6 
7 #include <features.h>
8 
9 #define __NEED_mode_t
10 #define __NEED_size_t
11 #define __NEED_off_t
12 
13 #if defined(_GNU_SOURCE)
14 #define __NEED_ssize_t
15 #endif
16 
17 #include <bits/alltypes.h>
18 
19 #define MAP_FAILED ((void *) -1)
20 
21 #define MAP_SHARED     0x01
22 #define MAP_PRIVATE    0x02
23 #define MAP_SHARED_VALIDATE 0x03
24 #define MAP_SHARED_PRIVATE 0x03
25 #define MAP_TYPE       0x0f
26 #define MAP_FIXED      0x10
27 #define MAP_ANON       0x20
28 #define MAP_ANONYMOUS  MAP_ANON
29 #define MAP_SUPPORT_MASK   0x23
30 #define MAP_NORESERVE  0x4000
31 #define MAP_GROWSDOWN  0x0100
32 #define MAP_DENYWRITE  0x0800
33 #define MAP_EXECUTABLE 0x1000
34 #define MAP_LOCKED     0x2000
35 #define MAP_POPULATE   0x8000
36 #define MAP_NONBLOCK   0x10000
37 #define MAP_STACK      0x20000
38 #define MAP_HUGETLB    0x40000
39 #define MAP_SYNC       0x80000
40 #define MAP_FIXED_NOREPLACE 0x100000
41 #define MAP_FILE       0
42 
43 #define MAP_HUGE_SHIFT 26
44 #define MAP_HUGE_MASK  0x3f
45 #define MAP_HUGE_16KB  (14 << 26)
46 #define MAP_HUGE_64KB  (16 << 26)
47 #define MAP_HUGE_512KB (19 << 26)
48 #define MAP_HUGE_1MB   (20 << 26)
49 #define MAP_HUGE_2MB   (21 << 26)
50 #define MAP_HUGE_8MB   (23 << 26)
51 #define MAP_HUGE_16MB  (24 << 26)
52 #define MAP_HUGE_32MB  (25 << 26)
53 #define MAP_HUGE_256MB (28 << 26)
54 #define MAP_HUGE_512MB (29 << 26)
55 #define MAP_HUGE_1GB   (30 << 26)
56 #define MAP_HUGE_2GB   (31 << 26)
57 #define MAP_HUGE_16GB  (34U << 26)
58 
59 #define PROT_NONE      0
60 #define PROT_READ      1
61 #define PROT_WRITE     2
62 #define PROT_EXEC      4
63 #define PROT_SUPPORT_MASK 7
64 #define PROT_GROWSDOWN 0x01000000
65 #define PROT_GROWSUP   0x02000000
66 
67 #define MS_ASYNC       1
68 #define MS_INVALIDATE  2
69 #define MS_SYNC        4
70 
71 #define MCL_CURRENT    1
72 #define MCL_FUTURE     2
73 #define MCL_ONFAULT    4
74 
75 #define POSIX_MADV_NORMAL     0
76 #define POSIX_MADV_RANDOM     1
77 #define POSIX_MADV_SEQUENTIAL 2
78 #define POSIX_MADV_WILLNEED   3
79 #define POSIX_MADV_DONTNEED   4
80 
81 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
82 #define MADV_NORMAL      0
83 #define MADV_RANDOM      1
84 #define MADV_SEQUENTIAL  2
85 #define MADV_WILLNEED    3
86 #define MADV_DONTNEED    4
87 #define MADV_FREE        8
88 #define MADV_REMOVE      9
89 #define MADV_DONTFORK    10
90 #define MADV_DOFORK      11
91 #define MADV_MERGEABLE   12
92 #define MADV_UNMERGEABLE 13
93 #define MADV_HUGEPAGE    14
94 #define MADV_NOHUGEPAGE  15
95 #define MADV_DONTDUMP    16
96 #define MADV_DODUMP      17
97 #define MADV_WIPEONFORK  18
98 #define MADV_KEEPONFORK  19
99 #define MADV_COLD        20
100 #define MADV_PAGEOUT     21
101 #define MADV_HWPOISON    100
102 #define MADV_SOFT_OFFLINE 101
103 #endif
104 
105 #ifdef _GNU_SOURCE
106 #define MREMAP_MAYMOVE 1
107 #define MREMAP_FIXED 2
108 #define MREMAP_DONTUNMAP 4
109 
110 #define MLOCK_ONFAULT 0x01
111 
112 #define MFD_CLOEXEC 0x0001U
113 #define MFD_ALLOW_SEALING 0x0002U
114 #define MFD_HUGETLB 0x0004U
115 #endif
116 
117 #include <bits/mman.h>
118 
119 void *mmap (void *, size_t, int, int, int, off_t);
120 int munmap (void *, size_t);
121 
122 int mprotect (void *, size_t, int);
123 int msync (void *, size_t, int);
124 
125 int posix_madvise (void *, size_t, int);
126 
127 int mlock (const void *, size_t);
128 int munlock (const void *, size_t);
129 int mlockall (int);
130 int munlockall (void);
131 
132 #ifdef _GNU_SOURCE
133 void *mremap (void *, size_t, size_t, int, ...);
134 int remap_file_pages (void *, size_t, int, size_t, int);
135 int memfd_create (const char *, unsigned);
136 int mlock2 (const void *, size_t, unsigned);
137 #endif
138 
139 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
140 int madvise (void *, size_t, int);
141 int mincore (void *, size_t, unsigned char *);
142 #endif
143 
144 int shm_open (const char *, int, mode_t);
145 int shm_unlink (const char *);
146 
147 #if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
148 #define mmap64 mmap
149 #endif
150 
151 #ifdef __cplusplus
152 }
153 #endif
154 #endif
155