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.\" Hey Emacs! This file is -*- nroff -*- source.
.\"
.\" Copyright (c) 1992 Drew Eckhardt (drew@cs.colorado.edu), March 28, 1992
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one
.\" 
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date.  The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein.  The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\" 
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Modified by Michael Haardt (u31b3hs@pool.informatik.rwth-aachen.de)
.\" Modified Sat Jul 24 12:02:47 1993 by Rik Faith (faith@cs.unc.edu)
.\" Modified 15 Apr 1995 by Michael Chastain (mec@shell.portal.com):
.\"   Added reference to 'bdflush(2)'.
.\"
.\" Traduction 15/10/1996 par Christophe Blaess (ccb@club-internet.fr)
.\" Mise a Jour 15/04/97
.TH SYNC 2 "15 Avril 1997" Linux "Manuel du programmeur Linux"
.SH NOM
sync \- Vider le buffer cache sur le disque.
.SH SYNOPSIS
.B #include <unistd.h>
.sp
.B int sync(void);
.SH DESCRIPTION
.B sync
synchronise d'abord les i-noeuds et les buffers, puis les buffers et le disque.
.SH "VALEUR RENVOYE"
.B sync
renvoie toujours 0.
.SH "CONFORMIT"
SVr4, SVID, X/OPEN, BSD 4.3
.SH BOGUES
D'aprs les standards (par ex. SVID)
\fBsync()\fP 
ne fait que planifier les critures, il peut donc revenir
avant que la vritable synchronisation ne soit effectue.
Depuis la version 1.3.20 Linux attend effectivement la fin
de l'criture (eanmoins ceci ne garantit toujours pas l'intgrite
des donnes, les disques modernes ont des buffers caches trs grands).
.SH "VOIR AUSSI"
.BR bdflush "(2), " fsync "(2), " update "(8), " sync (8)

.SH TRADUCTION
Christophe Blaess, 1997.