002dloop_0021' class='copiable-anchor'> &para;</a></span></dt>
<dd><p>The &rsquo;waiter&rsquo; argument is optional.  The &rsquo;worker&rsquo; argument is an event
loop running in a different thread than the one in which this
procedure is called.  The &rsquo;generator&rsquo; argument is a procedure taking
one argument, namely a yield argument (see the documentation on the
make-iterator procedure for further details).  This
await-generator-in-event-loop! procedure will cause &rsquo;generator&rsquo; to run
in