><span class="identifier">fork_child</span><span class="special">);</span>
  <span class="special">...</span>
<span class="special">}</span>
<span class="keyword">else</span>
<span class="special">{</span>
  <span class="identifier">io_service_</span><span class="special">.</span><span class="identifier">notify_fork</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