diff options
author | Eric Andersen <andersen@codepoet.org> | 2001-01-26 02:40:32 +0300 |
---|---|---|
committer | Eric Andersen <andersen@codepoet.org> | 2001-01-26 02:40:32 +0300 |
commit | ffde8673fe8b2c32076aa3e01eab1fefc5f08e86 (patch) | |
tree | ca0bf058a242ffb3d2f10d8f862d47a6557cd8eb /miscutils/watchdog.c | |
parent | 8ba1b1120ee08b281f8bae2837c8f3307d166872 (diff) |
Add in spoon's watchdog timer app.
-Erik
Diffstat (limited to 'miscutils/watchdog.c')
-rw-r--r-- | miscutils/watchdog.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/miscutils/watchdog.c b/miscutils/watchdog.c new file mode 100644 index 000000000..d297afa02 --- /dev/null +++ b/miscutils/watchdog.c @@ -0,0 +1,45 @@ +/* vi: set sw=4 ts=4: */ +/* + * Mini watchdog implementation for busybox + * + * Copyright (C) 2000 spoon <spoon@ix.netcom.com>. + * + * This program 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 of the License, or + * (at your option) any later version. + * + * This program 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include "busybox.h" +#include <stdio.h> +#include <fcntl.h> + +extern int watchdog_main(int argc, char **argv) +{ + int fd; + + if (argc != 2) { + usage(watchdog_usage); + } + + if ((fd=open(argv[1], O_WRONLY)) == -1) { + perror_msg_and_die(argv[1]); + } + + while (1) { + sleep(30); + write(fd, "\0", 1); + } + + return EXIT_FAILURE; +} |