cleanup rc.reboot ( same as rc.halt)

src/etc/rc.reboot

 #!/bin/sh
 
-if ! /usr/bin/lockf -s -t 30 /tmp/config.lock /usr/bin/true; then
-	echo "Cannot reboot at this moment, a config write operation is in progress, and 30 seconds have passed."
-	exit 1
-fi
+# shutdown rc scripts 
+/usr/local/etc/rc.opnsense stop
 
 /usr/local/etc/rc.backup_rrd
 /usr/local/etc/rc.backup_dhcpleases
 
+# wait for config lock to release
+php -a >/dev/null  << EOF
+\$fp = fopen('/conf/config.xml', "w+");
+if (flock(\$fp, LOCK_EX)) {
+  flock(\$fp, LOCK_UN);
+  fclose(\$fp);
+}      
+
+EOF
+      
 /sbin/shutdown -or now