:ref:`MPI_Keyval_free` - Frees attribute key for communicator cache attribute -- |deprecated_favor| :ref:`MPI_Comm_free_keyval`.
#include <mpi.h>
int MPI_Keyval_free(int *keyval)
USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_KEYVAL_FREE(KEYVAL, IERROR)
INTEGER KEYVAL, IERROR
keyval
: Frees the integer key value (integer).
ierror
: Fortran only: Error status (integer).
Note that use of this routine is deprecated as of MPI-2. Please use :ref:`MPI_Comm_free_keyval` instead.
.. seealso::
* :ref:`MPI_Keyval_create`
* :ref:`MPI_Comm_create_keyval`
* :ref:`MPI_Comm_free_keyval`