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authorGravatar Eric Andersen <andersen@codepoet.org>2001-01-25 23:40:32 +0000
committerGravatar Eric Andersen <andersen@codepoet.org>2001-01-25 23:40:32 +0000
commitffde8673fe8b2c32076aa3e01eab1fefc5f08e86 (patch)
treeca0bf058a242ffb3d2f10d8f862d47a6557cd8eb /miscutils
parent8ba1b1120ee08b281f8bae2837c8f3307d166872 (diff)
downloadbusybox-ffde8673fe8b2c32076aa3e01eab1fefc5f08e86.tar.gz
busybox-ffde8673fe8b2c32076aa3e01eab1fefc5f08e86.tar.bz2
Add in spoon's watchdog timer app.
-Erik
Diffstat (limited to 'miscutils')
-rw-r--r--miscutils/watchdog.c45
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;
+}