mman.h raw
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_TYPE 0x0f
25 #define MAP_FIXED 0x10
26 #define MAP_ANON 0x20
27 #define MAP_ANONYMOUS MAP_ANON
28 #define MAP_NORESERVE 0x4000
29 #define MAP_GROWSDOWN 0x0100
30 #define MAP_DENYWRITE 0x0800
31 #define MAP_EXECUTABLE 0x1000
32 #define MAP_LOCKED 0x2000
33 #define MAP_POPULATE 0x8000
34 #define MAP_NONBLOCK 0x10000
35 #define MAP_STACK 0x20000
36 #define MAP_HUGETLB 0x40000
37 #define MAP_SYNC 0x80000
38 #define MAP_FIXED_NOREPLACE 0x100000
39 #define MAP_FILE 0
40
41 #define MAP_HUGE_SHIFT 26
42 #define MAP_HUGE_MASK 0x3f
43 #define MAP_HUGE_16KB (14 << 26)
44 #define MAP_HUGE_64KB (16 << 26)
45 #define MAP_HUGE_512KB (19 << 26)
46 #define MAP_HUGE_1MB (20 << 26)
47 #define MAP_HUGE_2MB (21 << 26)
48 #define MAP_HUGE_8MB (23 << 26)
49 #define MAP_HUGE_16MB (24 << 26)
50 #define MAP_HUGE_32MB (25 << 26)
51 #define MAP_HUGE_256MB (28 << 26)
52 #define MAP_HUGE_512MB (29 << 26)
53 #define MAP_HUGE_1GB (30 << 26)
54 #define MAP_HUGE_2GB (31 << 26)
55 #define MAP_HUGE_16GB (34U << 26)
56
57 #define PROT_NONE 0
58 #define PROT_READ 1
59 #define PROT_WRITE 2
60 #define PROT_EXEC 4
61 #define PROT_GROWSDOWN 0x01000000
62 #define PROT_GROWSUP 0x02000000
63
64 #define MS_ASYNC 1
65 #define MS_INVALIDATE 2
66 #define MS_SYNC 4
67
68 #define MCL_CURRENT 1
69 #define MCL_FUTURE 2
70 #define MCL_ONFAULT 4
71
72 #define POSIX_MADV_NORMAL 0
73 #define POSIX_MADV_RANDOM 1
74 #define POSIX_MADV_SEQUENTIAL 2
75 #define POSIX_MADV_WILLNEED 3
76 #define POSIX_MADV_DONTNEED 4
77
78 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
79 #define MADV_NORMAL 0
80 #define MADV_RANDOM 1
81 #define MADV_SEQUENTIAL 2
82 #define MADV_WILLNEED 3
83 #define MADV_DONTNEED 4
84 #define MADV_FREE 8
85 #define MADV_REMOVE 9
86 #define MADV_DONTFORK 10
87 #define MADV_DOFORK 11
88 #define MADV_MERGEABLE 12
89 #define MADV_UNMERGEABLE 13
90 #define MADV_HUGEPAGE 14
91 #define MADV_NOHUGEPAGE 15
92 #define MADV_DONTDUMP 16
93 #define MADV_DODUMP 17
94 #define MADV_WIPEONFORK 18
95 #define MADV_KEEPONFORK 19
96 #define MADV_COLD 20
97 #define MADV_PAGEOUT 21
98 #define MADV_HWPOISON 100
99 #define MADV_SOFT_OFFLINE 101
100 #endif
101
102 #ifdef _GNU_SOURCE
103 #define MREMAP_MAYMOVE 1
104 #define MREMAP_FIXED 2
105 #define MREMAP_DONTUNMAP 4
106
107 #define MLOCK_ONFAULT 0x01
108
109 #define MFD_CLOEXEC 0x0001U
110 #define MFD_ALLOW_SEALING 0x0002U
111 #define MFD_HUGETLB 0x0004U
112 #endif
113
114 #include <bits/mman.h>
115
116 void *mmap (void *, size_t, int, int, int, off_t);
117 int munmap (void *, size_t);
118
119 int mprotect (void *, size_t, int);
120 int msync (void *, size_t, int);
121
122 int posix_madvise (void *, size_t, int);
123
124 int mlock (const void *, size_t);
125 int munlock (const void *, size_t);
126 int mlockall (int);
127 int munlockall (void);
128
129 #ifdef _GNU_SOURCE
130 void *mremap (void *, size_t, size_t, int, ...);
131 int remap_file_pages (void *, size_t, int, size_t, int);
132 int memfd_create (const char *, unsigned);
133 int mlock2 (const void *, size_t, unsigned);
134 #endif
135
136 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
137 int madvise (void *, size_t, int);
138 int mincore (void *, size_t, unsigned char *);
139 #endif
140
141 int shm_open (const char *, int, mode_t);
142 int shm_unlink (const char *);
143
144 #if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
145 #define mmap64 mmap
146 #define off64_t off_t
147 #endif
148
149 #ifdef __cplusplus
150 }
151 #endif
152 #endif
153