atermark option(1024);
socket.set_option(option);
</pre>
<p>
          Getting the current option value:
        </p>
<pre class="programlisting">boost::asio::ip::tcp::socket socket(io_context);
...
boost::asio::socket_base::receive_low_watermark option;
socket.get_option(option);
int size = option.value();
</pre>
<h6>
<a name="boost_asio.reference.basic_datagram_socket.receive_low_watermark.h1"></a>
          <span class="phrase"><a name="boost_asio.reference.basic_datagram_socket.receive_low_watermark.req