IGACTION_BASED_SIGNAL_HANDLING</span>
  <span class="keyword">for</span><span class="special">(;;)</span> <span class="special">{}</span>
  <span class="identifier">BOOST_TEST</span><span class="special">(</span><span class="keyword">true</span><span class="special">);</span>
<span class="preprocessor">#else</span>
  <span class="identifier">BOOST_TEST</span><span class="special">(</span><span class="keyword">false</span><span class="special">);</span>
<span class="preprocessor">#endif</span>
<span class="s