libc-top-half/musl/include/sys/mman.h

   1 #ifndef _WASI_EMULATED_MMAN
   2 #error "WASI lacks a true mmap; to enable minimal mmap emulation, \
   3 compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
   4 #else
   5 #ifndef _SYS_MMAN_H
   6 #define _SYS_MMAN_H
   7 #ifdef __cplusplus
   8 extern "C" {
   9 #endif
  10
  11 #include <features.h>
  12
  13 #define __NEED_mode_t
  14 #define __NEED_size_t
  15 #define __NEED_off_t
  16
  17 #if defined(_GNU_SOURCE)
  18 #define __NEED_ssize_t
  19 #endif
  20
  21 #include <bits/alltypes.h>
  22
  23 #define MAP_FAILED ((void *) -1)
  24
  25 #define MAP_SHARED     0x01
  26 #define MAP_PRIVATE    0x02
  27 #define MAP_SHARED_VALIDATE 0x03
  28 #define MAP_TYPE       0x0f
  29 #define MAP_FIXED      0x10
  30 #define MAP_ANON       0x20
  31 #define MAP_ANONYMOUS  MAP_ANON
  32 #define MAP_NORESERVE  0x4000
  33 #define MAP_GROWSDOWN  0x0100
  34 #define MAP_DENYWRITE  0x0800
  35 #define MAP_EXECUTABLE 0x1000
  36 #define MAP_LOCKED     0x2000
  37 #define MAP_POPULATE   0x8000
  38 #define MAP_NONBLOCK   0x10000
  39 #define MAP_STACK      0x20000
  40 #define MAP_HUGETLB    0x40000
  41 #define MAP_SYNC       0x80000
  42 #define MAP_FIXED_NOREPLACE 0x100000
  43 #define MAP_FILE       0
  44
  45 #define MAP_HUGE_SHIFT 26
  46 #define MAP_HUGE_MASK  0x3f
  47 #define MAP_HUGE_64KB  (16 << 26)
  48 #define MAP_HUGE_512KB (19 << 26)
  49 #define MAP_HUGE_1MB   (20 << 26)
  50 #define MAP_HUGE_2MB   (21 << 26)
  51 #define MAP_HUGE_8MB   (23 << 26)
  52 #define MAP_HUGE_16MB  (24 << 26)
  53 #define MAP_HUGE_32MB  (25 << 26)
  54 #define MAP_HUGE_256MB (28 << 26)
  55 #define MAP_HUGE_512MB (29 << 26)
  56 #define MAP_HUGE_1GB   (30 << 26)
  57 #define MAP_HUGE_2GB   (31 << 26)
  58 #define MAP_HUGE_16GB  (34U << 26)
  59
  60 #define PROT_NONE      0
  61 #define PROT_READ      1
  62 #define PROT_WRITE     2
  63 #define PROT_EXEC      4
  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_HWPOISON    100
 100 #define MADV_SOFT_OFFLINE 101
 101 #endif
 102
 103 #ifdef _GNU_SOURCE
 104 #define MREMAP_MAYMOVE 1
 105 #define MREMAP_FIXED 2
 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 #endif