33 lines
805 B
Groff
33 lines
805 B
Groff
.\" 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
|
|
.SH SYNOPSIS
|
|
.nf
|
|
.ft B
|
|
#include <unistd.h>
|
|
|
|
int sync(void)
|
|
int fsync(fd)
|
|
.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.
|
|
.SH "SEE ALSO"
|
|
.BR reboot (2),
|
|
.BR sync (8).
|