03-11-2011
yes,i think your solution is same as adding cin.sync().
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LEARN ABOUT OPENSOLARIS
sync
sync(2) System Calls sync(2)
NAME
sync - update super block
SYNOPSIS
#include <unistd.h>
void sync(void);
DESCRIPTION
The sync() function writes all information in memory that should be on disk, including modified super blocks, modified inodes, and delayed
block I/O.
Unlike fsync(3C), which completes the writing before it returns, sync() schedules but does not necessarily complete the writing before
returning.
USAGE
The sync() function should be used by applications that examine a file system, such as fsck(1M), and df(1M), and is mandatory before
rebooting.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
SEE ALSO
df(1M), fsck(1M), fsync(3C), attributes(5), standards(5)
SunOS 5.11 5 Jul 1990 sync(2)