Annotated edit history of
sync(2) version 1, including all changes.
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perry |
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SYNC |
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!!!SYNC |
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NAME |
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SYNOPSIS |
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DESCRIPTION |
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RETURN VALUE |
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CONFORMING TO |
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BUGS |
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SEE ALSO |
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---- |
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!!NAME |
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sync - commit buffer cache to disk. |
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!!SYNOPSIS |
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__#include __ |
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__int sync(void);__ |
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!!DESCRIPTION |
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__sync__ first commits inodes to buffers, and then |
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buffers to disk. |
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!!RETURN VALUE |
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__sync__ always returns 0. |
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!!CONFORMING TO |
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SVr4, SVID, X/OPEN, BSD 4.3 |
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!!BUGS |
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According to the standard specification (e.g., SVID), |
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__sync()__ schedules the writes, but may return before |
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the actual writing is done. However, since version 1.3.20 |
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Linux does actually wait. (This still does not guarantee |
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data integrity: modern disks have large |
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caches.) |
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!!SEE ALSO |
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bdflush(2), fsync(2), fdatasync(2), |
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update(8), sync(8) |
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---- |
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