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