tributes">
<li><b>Since</b> 4.03</li>
</ul>
</div>

<pre><span id="VALsigpoll"><span class="keyword">val</span> sigpoll</span> : <code class="type">int</code></pre><div class="info ">
<div class="info-desc">
<p>Pollable event</p>
</div>
<ul class="info-attributes">
<li><b>Since</b> 4.03</li>
</ul>
</div>

<pre><span id="VALsigsys"><span class="keyword">val</span> sigsys</span> : <code class="type">int</code></pre><div class="info ">
<div class="info-desc">
<p>Bad argument to routine</p>
</div>
<ul class="in