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.. _mpi_keyval_free:
MPI_Keyval_free
===============
.. include_body
:ref:`MPI_Keyval_free` |mdash| Frees attribute key for communicator cache attribute |mdash| |deprecated_favor| :ref:`MPI_Comm_free_keyval`.
SYNTAX
------
C Syntax
^^^^^^^^
.. code-block:: c
#include <mpi.h>
int MPI_Keyval_free(int *keyval)
Fortran Syntax
^^^^^^^^^^^^^^
.. code-block:: fortran
USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_KEYVAL_FREE(KEYVAL, IERROR)
INTEGER KEYVAL, IERROR
INPUT PARAMETER
---------------
* ``keyval``: Frees the integer key value (integer).
OUTPUT PARAMETER
----------------
* ``ierror``: Fortran only: Error status (integer).
DESCRIPTION
-----------
Note that use of this routine is *deprecated* as of MPI-2. Please use
:ref:`MPI_Comm_free_keyval` instead.
ERRORS
------
.. include:: ./ERRORS.rst
.. seealso::
* :ref:`MPI_Keyval_create`
* :ref:`MPI_Comm_create_keyval`
* :ref:`MPI_Comm_free_keyval`
|
