blob: 3c0790c69782bbfbd4f3f4aaea3c110b1e3ef518 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/* Periodically call sync.
Copyright (C) 1994 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>
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))
{
perror ("daemon");
exit (1);
}
for (;;)
{
sync ();
sleep (interval);
}
}
|
