fadvise.h
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上传日期:2009-04-28
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文件大小:1k
- #ifndef FADVISE_H_INCLUDED
- #define FADVISE_H_INCLUDED
- #define POSIX_FADV_NORMAL 0 /* No further special treatment. */
- #define POSIX_FADV_RANDOM 1 /* Expect random page references. */
- #define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
- #define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
- /*
- * The advise values for POSIX_FADV_DONTNEED and POSIX_ADV_NOREUSE
- * for s390-64 differ from the values for the rest of the world.
- */
- #if defined(__s390x__)
- #define POSIX_FADV_DONTNEED 6 /* Don't need these pages. */
- #define POSIX_FADV_NOREUSE 7 /* Data will be accessed once. */
- #else
- #define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
- #define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
- #endif
- #endif /* FADVISE_H_INCLUDED */