48 if (file_exists($execFile)) {
51 $action = file_get_contents($execFile);
54 if ($action == self::QUIT) {
57 } elseif ($action == self::RESTART) {
65 $unlinkResult = @unlink($execFile);
66 Util::logTrace(
'Unlink result: ' . ($unlinkResult ?
'success' :
'failed'));