sync.2

Unix操作系统minix 2.0源码

.\" 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 \- update super-block
.SH SYNOPSIS
.nf
.ft B
#include <unistd.h>

int sync(void)
.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.
.SH "SEE ALSO"
.BR sync (8),
.BR update (8).