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<div id="version" align=right><b>petsc-3.4.2 2013-07-02</b></div>
<A NAME="PetscBarrier"><H1>PetscBarrier</H1></A>
Blocks until this routine is executed by all processors owning the object A.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsys.h"
PetscErrorCode PetscBarrier(PetscObject obj)
</PRE>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<DT><B>A </B> -PETSc object (<A HREF="../Mat/Mat.html#Mat">Mat</A>, <A HREF="../Vec/Vec.html#Vec">Vec</A>, <A HREF="../IS/IS.html#IS">IS</A>, <A HREF="../SNES/SNES.html#SNES">SNES</A> etc...)
Must be caste with a (<A HREF="../Sys/PetscObject.html#PetscObject">PetscObject</A>), can use NULL (for MPI_COMM_WORLD)
<br>
<P>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
This routine calls MPI_Barrier with the communicator of the PETSc Object "A".
<P>
With fortran Use NULL_OBJECT (instead of NULL)
<P>
<P>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sys/utils/pbarrier.c.html#PetscBarrier">src/sys/utils/pbarrier.c</A>
<BR><A HREF="./index.html">Index of all Sys routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
<BR><A HREF="../singleindex.html">Index of all manual pages</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/snes/examples/tutorials/ex5s.c.html">src/snes/examples/tutorials/ex5s.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex12.c.html">src/snes/examples/tutorials/ex12.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex31.c.html">src/snes/examples/tutorials/ex31.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex52.c.html">src/snes/examples/tutorials/ex52.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex62.c.html">src/snes/examples/tutorials/ex62.c.html</A><BR>
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