Change default reboot to SOC reset from WDT reset

Fixes #460

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

src/conf.c

@@ -60,6 +60,7 @@ int   single    = 0;		/* single user mode from kernel cmdline */
 int   bootstrap = 1;		/* set while bootstrapping (for TTYs) */
 int   kerndebug = 0;		/* set if /proc/sys/kernel/printk > 7 */
 int   syncsec   = 0;		/* reboot delay */
+int   wdtreboot = 0;		/* reboot via watchdog, default: SOC */
 int   readiness = SVC_NOTIFY_PID;
 char *finit_conf= NULL;
 char *finit_rcsd= NULL;
@@ -1034,6 +1035,11 @@ static int parse_static(char *line, int is_rcsd)
 		return 0;
 	}
 
+	if (MATCH_CMD(line, "reboot-watchdog ", x)) {
+		wdtreboot = get_bool(strip_line(x), 0);
+		return 0;
+	}
+
 	/*
 	 * Periodic check and instability index leveler, seconds
 	 */

src/conf.h

@@ -37,6 +37,7 @@ extern int   single;
 extern int   bootstrap;
 extern int   kerndebug;
 extern int   syncsec;
+extern int   wdtreboot;
 extern int   readiness;
 extern char *fstab;
 extern char *sdown;

src/sig.c

@@ -358,7 +358,7 @@ void do_shutdown(shutop_t op)
 		return;
 	}
 
-	if (wdog) {
+	if (wdtreboot && wdog) {
 		print(kill(wdog->pid, SIGPWR) == 1, "Advising watchdog, system going down");
 		do_sleep(2);
 	}
@@ -405,17 +405,17 @@ void do_shutdown(shutop_t op)
 
 	/* Reboot via watchdog or kernel, or shutdown? */
 	if (op == SHUT_REBOOT) {
-		print(0, "Rebooting ...");
-		if (wdog && wdog->pid > 1) {
+		if (wdtreboot && wdog && wdog->pid > 1) {
 			int timeout = 10;
 
 			/* Wait here until the WDT reboots, or timeout with fallback */
+			print(0, "Rebooting using WDT, please wait ...");
 			print(kill(wdog->pid, SIGTERM) == 1, "Pending watchdog reboot");
 			while (timeout--)
 				do_sleep(1);
 		}
 
-		dbg("Rebooting ...");
+		print(0, "Rebooting ...");
 		reboot(RB_AUTOBOOT);
 	} else if (op == SHUT_OFF) {
 		print(0, "Powering down ...");