 invoked on that component. A return value of <CODE>true</CODE> indicates that no error occurred, but does <I>not</I> guarantee that all buffered data has been successfully forwarded.</P>

<A NAME="strict_sync"></A>
<H4><CODE>chain::strict_sync</CODE></H4>
<PRE CLASS="broken_ie">    <SPAN CLASS="keyword">bool</SPAN> strict_sync();</PRE>

<P>Identical to <CODE>sync</CODE> except for the return value, which is <CODE>false</CODE> unless <I>each</I> Filter in this chain is <A HREF='../concepts/flushable.html'>F