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/* Periodically call sync.
Copyright (C) 1994, 2002 Free Software Foundation, Inc.
Written by Michael I. Bushnell.
This file is part of the GNU Hurd.
The GNU Hurd is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
The GNU Hurd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
int
main (int argc, char **argv)
{
int interval;
switch (argc)
{
case 1:
interval = 30;
break;
case 2:
interval = atoi (argv[1]);
break;
default:
fprintf (stderr, "Usage: %s [SECONDS]\n", argv[0]);
exit (1);
}
if (daemon (0, 0))
error (1, errno, "daemon");
for (;;)
{
sync ();
sleep (interval);
}
}
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