* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
+//usage:#define watchdog_trivial_usage
+//usage: "[-t N[ms]] [-T N[ms]] [-F] DEV"
+//usage:#define watchdog_full_usage "\n\n"
+//usage: "Periodically write to watchdog device DEV\n"
+//usage: "\n -T N Reboot after N seconds if not reset (default 60)"
+//usage: "\n -t N Reset every N seconds (default 30)"
+//usage: "\n -F Run in foreground"
+//usage: "\n"
+//usage: "\nUse 500ms to specify period in milliseconds"
+
#include "libbb.h"
#include "linux/types.h" /* for __u32 */
#include "linux/watchdog.h"
{
static const char V = 'V';
- write(3, &V, 1); /* Magic, see watchdog-api.txt in kernel */
+ remove_pidfile(CONFIG_PID_FILE_PATH "/watchdog.pid");
+ write(3, &V, 1); /* Magic, see watchdog-api.txt in kernel */
if (ENABLE_FEATURE_CLEAN_UP)
close(3);
- exit(EXIT_SUCCESS);
+ _exit(EXIT_SUCCESS);
}
int watchdog_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
stimer_duration, htimer_duration * 1000);
#endif
+ write_pidfile(CONFIG_PID_FILE_PATH "/watchdog.pid");
+
while (1) {
/*
* Make sure we clear the counter before sleeping,