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.. highlight:: c
.. role:: red
.. role:: green
.. role:: param


.. _mpi__communicator__barrier:

mpi::communicator::barrier
==========================

*#include <mpi/communicator.hpp>*



**Synopsis**

 .. rst-class:: cppsynopsis

       | void :red:`barrier` (long :param:`poll_msec` = 1)











Parameters
^^^^^^^^^^

 * :param:`poll_msec` The polling interval in milliseconds. If set to 0, a simple `MPI_Barrier` call is used.