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146 lines
2.3 KiB
C
146 lines
2.3 KiB
C
#pragma once
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#include <stddef.h>
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#include <stdint.h>
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#include <fcntl.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef _MSC_VER
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#define NEED_WIN32_MMAP
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#include <Windows.h>
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#include <io.h>
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#ifndef PROT_READ
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#define PROT_READ 1
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#endif
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#ifndef PROT_WRITE
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#define PROT_WRITE 2
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#endif
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#ifndef PROT_EXEC
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#define PROT_EXEC 4
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#endif
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#ifndef MAP_SHARED
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#define MAP_SHARED 1
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#endif
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#ifndef MAP_PRIVATE
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#define MAP_PRIVATE 2
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#endif
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#ifndef MAP_FIXED
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#define MAP_FIXED 16
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#endif
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#ifndef MAP_ANONYMOUS
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#define MAP_ANONYMOUS 32
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#endif
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#ifndef MAP_FAILED
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#define MAP_FAILED ((void*)-1)
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#endif
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#ifndef O_RDONLY
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#define O_RDONLY _O_RDWR // intentional smudge for mmap()
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#endif
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#ifndef O_WRONLY
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#define O_WRONLY _O_WRONLY
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#endif
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#ifndef O_RDWR
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#define O_RDWR _O_RDWR
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#endif
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#ifndef O_CREAT
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#define O_CREAT _O_CREAT
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#endif
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#ifndef O_TRUNC
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#define O_TRUNC _O_TRUNC
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#endif
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#ifndef O_EXCL
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#define O_EXCL _O_EXCL
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#endif
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#ifndef MADV_NORMAL
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#define MADV_NORMAL 0
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#endif
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#ifndef MADV_DONTNEED
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#define MADV_DONTNEED 4
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#endif
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#ifndef MADV_RANDOM
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#define MADV_RANDOM 1
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#endif
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#ifndef MADV_SEQUENTIAL
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#define MADV_SEQUENTIAL 2
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#endif
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#ifndef MADV_WILLNEED
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#define MADV_WILLNEED 3
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#endif
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#ifndef MS_ASYNC
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#define MS_ASYNC 1
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#endif
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#ifndef MS_INVALIDATE
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#define MS_INVALIDATE 2
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#endif
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#ifndef MS_SYNC
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#define MS_SYNC 4
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#endif
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#ifndef SEEK_SET
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#define SEEK_SET 0
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#endif
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#ifndef SEEK_CUR
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#define SEEK_CUR 1
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#endif
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#ifndef SEEK_END
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#define SEEK_END 2
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#endif
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#ifndef mmap
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#define mmap WinMap
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#endif
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#ifndef munmap
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#define munmap WinUnmap
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#endif
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#ifndef open
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#define open _open
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#endif
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#ifndef close
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#define close _close
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#endif
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#ifndef lseek
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#define lseek WinSeek
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#endif
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#ifndef msync
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#define msync WinMsync
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#endif
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#ifndef madvise
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#define madvise WinMadvise
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#endif
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#ifndef ftruncate
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#define ftruncate WinFtruncate
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#endif
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uint64_t WinSeek(int, uint64_t, int);
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int WinMsync(void *, uintptr_t, int);
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int WinMadvise(void *, uintptr_t, int);
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int WinFtruncate(int, uint64_t);
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int WinUnmap(void *, uintptr_t);
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void *WinMap(void *, uintptr_t, int, int, int, uint64_t);
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#else // _MSC_VER
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#include <unistd.h>
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#include <sys/mman.h>
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#ifndef MAP_ANONYMOUS
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#define NEED_POSIX_MMAP
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#define mmap PosixMmap
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#define MAP_ANONYMOUS 0x10000000
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void *PosixMmap(void*, size_t, int, int, int, off_t);
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#endif // MAP_ANONYMOUS
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#endif // _MSC_VER
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#ifdef __cplusplus
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}
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#endif
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