ass="keyword">void</span> <a class="link" href="signal.html#id-1_3_37_6_9_3_1_2_26_2-bb"><span class="identifier">set_combiner</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">combiner_type</span><span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="signal.html#id-1_3_37_6_9_3_1_2_27-bb">modifiers</a></span>
  <span class="keyword">void</span> <a class="link" href="si