rdsign">|</span>&nbsp;<span class="constructor">Signal_ignore</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">Signal_handle</span>&nbsp;<span class="keyword">of</span>&nbsp;(int&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;unit)<br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;signal&nbsp;:&nbsp;int&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Sys</span>.signal_behavior&nbsp;<span class="keywordsign">-&gt;</span