minix/man/man2/sync.2

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