private function listen()
    {
        if (! @socket_listen($this->handle, 5)) {
            $code = socket_last_error($this->handle);
            throw new SocketException(socket_strerror($code), array(), $code);
        }
    }
private function listen()
    {
        if (! @socket_listen($this->handle, 5)) {
            $code = socket_last_error($this->handle);
            throw new SocketException(socket_strerror($code), array(), $code);
        }
    }
private function listen ( ) { if ( ! @ socket_listen ( $ this -> handle , 5 ) ) { $ code = socket_last_error ( $ this -> handle ) ; throw new SocketException ( socket_strerror ( $ code ) , array ( ) , $ code ) ; } }
Listen to the binded socket endpoint

@throws SocketException in case of listening is not possible
Listen to the binded socket endpoint