"special">;</span>
</pre>
<p>
          Implements the FIONBIO IO control command.
        </p>
<h6>
<a name="boost_asio.reference.posix__basic_descriptor.non_blocking_io.h0"></a>
          <span><a name="boost_asio.reference.posix__basic_descriptor.non_blocking_io.example"></a></span><a class="link" href="non_blocking_io.html#boost_asio.reference.posix__basic_descriptor.non_blocking_io.example">Example</a>
        </h6>
<pre class="programlisting"><span class="identifier">boost</span><span class="special">