dentifier">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">io_service</span><span class="special">::</span><span class="identifier">fork_prepare</span><span class="special">);</span>
<span class="keyword">if</span> <span class="special">(</span><span class="identifier">fork</spa