re operates
on the event loop passed in as an argument, or if none is passed (or
#f is passed), on the default event loop.  This procedure is thread
safe - any thread may call it.
</p>
<p>This procedure is first available in version 0.8 of this library.
</p></dd></dl>

<dl class="def">
<dt id="index-event_002dloop_002dblock_0021"><span class="category">Scheme Procedure: </span><span><strong>event-loop-block!</strong> <em>val [loop]</em><a href='#index-event_002dloop_002dblock_0021' class='copiable-anchor'> 