 shall be
returned to indicate the error. 
</P>
<H2><A HREF="#toc4" NAME="sect4">Errors</A></H2>
<P>The <B>pthread_rwlock_timedrdlock</B> function shall fail if: 
</P>
<DL>
	<DT><B>ETIMEDOUT</B> 
	</DT><DD STYLE="margin-bottom: 0.5cm">
	The lock could not be acquired before the specified timeout expired.
		</DD></DL>
<P>
The <B>pthread_rwlock_timedrdlock</B> function may fail if: 
</P>
<DL>
	<DT><B>EAGAIN</B> 
	</DT><DD>
	The read lock could not be acquired because the maximum number of
	read locks for lock