GracefulDeath\Life::askedToStop PHP 메소드

    public function askedToStop()
    {
        // This needs to be called to dispatch the signals received by the current
        // process. The PHP process doesn't do that by default, if you have some piece
        // of code that it's executed periodically then this is the best method
        pcntl_signal_dispatch();
        return !is_null($this->signal);
    }