ing&rsquo;
is #t).  Otherwise, the minimum value of threads will remain alive
uselessly in blocked condition in the pool until the program
terminates, even though the pool may be inaccessible.
</p>
<p>The #:idle keyname specifies the length of time in milliseconds that
threads greater in number than #:min-threads and not executing any
tasks will remain in existence.  The default is 5000 (5 seconds).
</p>
<p>The #:non-blocking keyname affects the operation of the
thread-pool-stop! procedure.  When set to #f,