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authorandersen <andersen@69ca8d6d-28ef-0310-b511-8ec308f3f277>2001-01-25 23:40:32 +0000
committerandersen <andersen@69ca8d6d-28ef-0310-b511-8ec308f3f277>2001-01-25 23:40:32 +0000
commita2ba768c18190ba57d9502deb3017aee4c37e36c (patch)
treeca0bf058a242ffb3d2f10d8f862d47a6557cd8eb /miscutils/watchdog.c
parentcb564a94bc7a97cca151f1ab8625ed45187e6cef (diff)
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Add in spoon's watchdog timer app.
-Erik git-svn-id: svn://busybox.net/trunk/busybox@1672 69ca8d6d-28ef-0310-b511-8ec308f3f277
Diffstat (limited to 'miscutils/watchdog.c')
-rw-r--r--miscutils/watchdog.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/miscutils/watchdog.c b/miscutils/watchdog.c
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1/* vi: set sw=4 ts=4: */
2/*
3 * Mini watchdog implementation for busybox
4 *
5 * Copyright (C) 2000 spoon <spoon@ix.netcom.com>.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22
23#include "busybox.h"
24#include <stdio.h>
25#include <fcntl.h>
26
27extern int watchdog_main(int argc, char **argv)
28{
29 int fd;
30
31 if (argc != 2) {
32 usage(watchdog_usage);
33 }
34
35 if ((fd=open(argv[1], O_WRONLY)) == -1) {
36 perror_msg_and_die(argv[1]);
37 }
38
39 while (1) {
40 sleep(30);
41 write(fd, "\0", 1);
42 }
43
44 return EXIT_FAILURE;
45}