n><span class="identifier">basic_stream_descriptor</span></code></a> without
            opening it.
          </p>
<pre class="programlisting"><span class="identifier">basic_stream_descriptor</span><span class="special">(</span>
    <span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">io_service</span> <span class="special">&amp;</span> <span class="identifier">io_service</span><span class="special">)