PHPDaemon\Thread\IPC::sigunknown PHP Method

    public function sigunknown($signo)
    {
        if (isset(Generic::$signals[$signo])) {
            $sig = Generic::$signals[$signo];
        } else {
            $sig = 'UNKNOWN';
        }
        $this->log('caught signal #' . $signo . ' (' . $sig . ').');
    }