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| 1 | .\" Copyright (c) 1980 Regents of the University of California.
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| 2 | .\" All rights reserved. The Berkeley software License Agreement
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| 3 | .\" specifies the terms and conditions for redistribution.
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| 4 | .\"
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| 5 | .\" @(#)sync.2 6.2 (Berkeley) 6/30/85
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| 6 | .\"
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| 7 | .TH SYNC 2 "June 30, 1985"
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| 8 | .UC 4
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| 9 | .SH NAME
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| 10 | sync, fsync \- update dirty buffers and super-block
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| 11 | .SH SYNOPSIS
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| 12 | .nf
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| 13 | .ft B
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| 14 | #include <unistd.h>
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| 15 |
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| 16 | int sync(void)
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| 17 | int fsync(fd)
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| 18 | .ft R
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| 19 | .fi
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| 20 | .SH DESCRIPTION
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| 21 | .B Sync
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| 22 | causes all information in the file system
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| 23 | buffers that should be on disk to be written out.
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| 24 | This includes modified super blocks,
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| 25 | modified i-nodes, and delayed block I/O.
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| 26 | .B
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| 27 | Fsync
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| 28 | does the same thing, but only for the blocks associated with a specific
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| 29 | file descriptor. Under minix, currently the two calls do the same thing.
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| 30 | .SH "SEE ALSO"
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| 31 | .BR reboot (2),
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| 32 | .BR sync (8).
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