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<H2><A NAME="SECTION00087000000000000000">
psb_barrier -- Sinchronization point parallel
environment</A>
</H2>
<P>
<PRE>
call psb_barrier(icontxt)
</PRE>
<P>
This subroutine acts as an explicit synchronization point for the PSBLAS
parallel virtual machine.
<DL>
<DT><STRONG>Type:</STRONG></DT>
<DD>Synchronous.
</DD>
<DT><STRONG><B>On Entry </B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>icontxt</STRONG></DT>
<DD>the communication context identifying the virtual
parallel machine.
<BR>
Scope: <B>global</B>.
<BR>
Type: <B>required</B>.
<BR>
Intent: <B>in</B>.
<BR>
Specified as: an integer variable.
</DD>
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