.. _mpi_request_get_status:


MPI_Request_get_status
======================

.. include_body

:ref:`MPI_Request_get_status` |mdash| Access information associated with a
request without freeing the request.

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.. include:: ./bindings/mpi_request_get_status.rst

INPUT PARAMETER
---------------
* ``request``: Communication request (handle).

OUTPUT PARAMETERS
-----------------
* ``flag``: Boolean flag, same as from :ref:`MPI_Test` (logical).
* ``status``: ``MPI_Status`` object if flag is true (status).

DESCRIPTION
-----------

:ref:`MPI_Request_get_status` sets ``flag = true`` if the operation is
complete or sets ``flag = false`` if it is not complete. If the
operation is complete, it returns in *status* the request status. It
does not deallocate or deactivate the request; a subsequent call to
test, wait, or free should be executed with that request.

If your application does not need to examine the *status* field, you can
save resources by using the predefined constant ``MPI_STATUS_IGNORE`` as a
special value for the *status* argument.


ERRORS
------

.. include:: ./ERRORS.rst