ion</i>]
</td></tr></table></p>
<p><span class="fndoclabel">Purpose</span> <br />Block the current <a href="ref-glossary.html#gl:thread">thread</a> on
<nobr><var>condition-variable</var></nobr> or until <nobr><var>seconds</var></nobr> seconds have
elapsed.
</p>
<p><span class="fndoclabel">Package</span>&nbsp;&nbsp;&nbsp;<code>:portable-threads</code>
</p>
<p><span class="fndoclabel">Module</span>&nbsp;&nbsp;&nbsp;<code>:portable-threads</code>
</p>
<p><span class="fndoclabel">Arguments and values</span><tab