table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a>
Friends</h2></td></tr>
<tr class="memitem:afb01bc2e211c782503ef5088003f120f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="afb01bc2e211c782503ef5088003f120f"></a>
class&#160;</td><td class="memItemRight" valign="bottom"><b>reader_writer_lock</b></td></tr>
<tr class="separator:afb01bc2e211c782503ef5088003f120f"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
