word">typename</span> Mutex <span class="special">=</span> <a class="link" href="mutex.html" title="Class mutex">boost::signals2::mutex</a><span class="special">&gt;</span> 
<span class="keyword">class</span> <a class="link" href="signal.html" title="Class template signal">signal</a> <span class="special">:</span> <span class="keyword">public</span> <a class="link" href="signal_base.html" title="Class signal_base">boost::signals2::signal_base</a> <span class="special">{</span>
<span class="keyword">public</