e unable to perform the requested operation immediately. If
                  <code class="computeroutput">false</code>, synchronous operations will block until complete.
                </p></dd>
</dl>
</div>
<h6>
<a name="boost_asio.reference.basic_raw_socket.non_blocking.overload2.h1"></a>
            <span class="phrase"><a name="boost_asio.reference.basic_raw_socket.non_blocking.overload2.exceptions"></a></span><a class="link" href="overload2.html#boost_asio.reference.basic_raw_socket.non_blocking.over