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_64KB (16 << 26) 46 #define MAP_HUGE_512KB (19 << 26) 47 #define MAP_HUGE_1MB (20 << 26) 48 #define MAP_HUGE_2MB (21 << 26) 49 #define MAP_HUGE_8MB (23 << 26) 50 #define MAP_HUGE_16MB (24 << 26) 51 #define MAP_HUGE_32MB (25 << 26) 52 #define MAP_HUGE_256MB (28 << 26) 53 #define MAP_HUGE_512MB (29 << 26) 54 #define MAP_HUGE_1GB (30 << 26) 55 #define MAP_HUGE_2GB (31 << 26) 56 #define MAP_HUGE_16GB (34U << 26) 57 58 #define PROT_NONE 0 59 #define PROT_READ 1 60 #define PROT_WRITE 2 61 #define PROT_EXEC 4 62 #define PROT_SUPPORT_MASK 7 63 #define PROT_GROWSDOWN 0x01000000 64 #define PROT_GROWSUP 0x02000000 65 66 #define MS_ASYNC 1 67 #define MS_INVALIDATE 2 68 #define MS_SYNC 4 69 70 #define MCL_CURRENT 1 71 #define MCL_FUTURE 2 72 #define MCL_ONFAULT 4 73 74 #define POSIX_MADV_NORMAL 0 75 #define POSIX_MADV_RANDOM 1 76 #define POSIX_MADV_SEQUENTIAL 2 77 #define POSIX_MADV_WILLNEED 3 78 #define POSIX_MADV_DONTNEED 4 79 80 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) 81 #define MADV_NORMAL 0 82 #define MADV_RANDOM 1 83 #define MADV_SEQUENTIAL 2 84 #define MADV_WILLNEED 3 85 #define MADV_DONTNEED 4 86 #define MADV_FREE 8 87 #define MADV_REMOVE 9 88 #define MADV_DONTFORK 10 89 #define MADV_DOFORK 11 90 #define MADV_MERGEABLE 12 91 #define MADV_UNMERGEABLE 13 92 #define MADV_HUGEPAGE 14 93 #define MADV_NOHUGEPAGE 15 94 #define MADV_DONTDUMP 16 95 #define MADV_DODUMP 17 96 #define MADV_WIPEONFORK 18 97 #define MADV_KEEPONFORK 19 98 #define MADV_COLD 20 99 #define MADV_PAGEOUT 21 100 #define MADV_HWPOISON 100 101 #define MADV_SOFT_OFFLINE 101 102 #endif 103 104 #ifdef _GNU_SOURCE 105 #define MREMAP_MAYMOVE 1 106 #define MREMAP_FIXED 2 107 108 #define MLOCK_ONFAULT 0x01 109 110 #define MFD_CLOEXEC 0x0001U 111 #define MFD_ALLOW_SEALING 0x0002U 112 #define MFD_HUGETLB 0x0004U 113 #endif 114 115 #include <bits/mman.h> 116 117 void *mmap (void *, size_t, int, int, int, off_t); 118 int munmap (void *, size_t); 119 120 int mprotect (void *, size_t, int); 121 int msync (void *, size_t, int); 122 123 int posix_madvise (void *, size_t, int); 124 125 int mlock (const void *, size_t); 126 int munlock (const void *, size_t); 127 int mlockall (int); 128 int munlockall (void); 129 130 #ifdef _GNU_SOURCE 131 void *mremap (void *, size_t, size_t, int, ...); 132 int remap_file_pages (void *, size_t, int, size_t, int); 133 int memfd_create (const char *, unsigned); 134 int mlock2 (const void *, size_t, unsigned); 135 #endif 136 137 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) 138 int madvise (void *, size_t, int); 139 int mincore (void *, size_t, unsigned char *); 140 #endif 141 142 int shm_open (const char *, int, mode_t); 143 int shm_unlink (const char *); 144 145 #if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE) 146 #define mmap64 mmap 147 #endif 148 149 #ifdef __cplusplus 150 } 151 #endif 152 #endif 153