find:: get rid of nested function (it's a gcc-ism)

[oweals/busybox.git] / miscutils / watchdog.c

diff --git a/miscutils/watchdog.c b/miscutils/watchdog.c
index 6307826600b8d6e53398f4b53e8886f18fcdf216..d3a76edf07260bb30dae417d5299886db22f2e9c 100644 (file)
--- a/miscutils/watchdog.c
+++ b/miscutils/watchdog.c
@@ -9,6 +9,16 @@
  * 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"
@@ -21,6 +31,7 @@ static void watchdog_shutdown(int sig UNUSED_PARAM)
 {
        static const char V = 'V';
 
+       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);
@@ -85,6 +96,8 @@ int watchdog_main(int argc, char **argv)
                stimer_duration, htimer_duration * 1000);
 #endif
 
+       write_pidfile(CONFIG_PID_FILE_PATH "/watchdog.pid");
+
        while (1) {
                /*
                 * Make sure we clear the counter before sleeping,