/*
 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
 *                         University Research and Technology
 *                         Corporation.  All rights reserved.
 * Copyright (c) 2004-2005 The University of Tennessee and The University
 *                         of Tennessee Research Foundation.  All rights
 *                         reserved.
 * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
 *                         University of Stuttgart.  All rights reserved.
 * Copyright (c) 2004-2005 The Regents of the University of California.
 *                         All rights reserved.
 * Copyright (c) 2007-2012 Cisco Systems, Inc.  All rights reserved.
 * Copyright (c) 2015      Research Organization for Information Science
 *                         and Technology (RIST). All rights reserved.
 * $COPYRIGHT$
 *
 * Additional copyrights may follow
 *
 * $HEADER$
 */

#include "ompi_config.h"

#include "ompi/mpi/fortran/mpif-h/bindings.h"
#include "ompi/communicator/communicator.h"

#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak PMPI_KEYVAL_CREATE = ompi_keyval_create_f
#pragma weak pmpi_keyval_create = ompi_keyval_create_f
#pragma weak pmpi_keyval_create_ = ompi_keyval_create_f
#pragma weak pmpi_keyval_create__ = ompi_keyval_create_f

#pragma weak PMPI_Keyval_create_f = ompi_keyval_create_f
#pragma weak PMPI_Keyval_create_f08 = ompi_keyval_create_f
#else
OMPI_GENERATE_F77_BINDINGS (PMPI_KEYVAL_CREATE,
                           pmpi_keyval_create,
                           pmpi_keyval_create_,
                           pmpi_keyval_create__,
                           pompi_keyval_create_f,
                           (ompi_mpi1_fortran_copy_attr_function* copy_fn, ompi_mpi1_fortran_delete_attr_function* delete_fn, MPI_Fint *keyval, MPI_Fint *extra_state, MPI_Fint *ierr),
                           (copy_fn, delete_fn, keyval, extra_state, ierr) )
#endif
#endif

#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_KEYVAL_CREATE = ompi_keyval_create_f
#pragma weak mpi_keyval_create = ompi_keyval_create_f
#pragma weak mpi_keyval_create_ = ompi_keyval_create_f
#pragma weak mpi_keyval_create__ = ompi_keyval_create_f

#pragma weak MPI_Keyval_create_f = ompi_keyval_create_f
#pragma weak MPI_Keyval_create_f08 = ompi_keyval_create_f
#else
#if ! OMPI_BUILD_MPI_PROFILING
OMPI_GENERATE_F77_BINDINGS (MPI_KEYVAL_CREATE,
                           mpi_keyval_create,
                           mpi_keyval_create_,
                           mpi_keyval_create__,
                           ompi_keyval_create_f,
                           (ompi_mpi1_fortran_copy_attr_function* copy_fn, ompi_mpi1_fortran_delete_attr_function* delete_fn, MPI_Fint *keyval, MPI_Fint *extra_state, MPI_Fint *ierr),
                           (copy_fn, delete_fn, keyval, extra_state, ierr) )
#else
#define ompi_keyval_create_f pompi_keyval_create_f
#endif
#endif

static const char FUNC_NAME[] = "MPI_keyval_create_f";

void ompi_keyval_create_f(ompi_mpi1_fortran_copy_attr_function* copy_attr_fn,
                         ompi_mpi1_fortran_delete_attr_function* delete_attr_fn,
                         MPI_Fint *keyval, MPI_Fint *extra_state,
                         MPI_Fint *ierr)
{
    int ret, c_ierr;
    ompi_attribute_fn_ptr_union_t copy_fn;
    ompi_attribute_fn_ptr_union_t del_fn;

    copy_fn.attr_mpi1_fortran_copy_fn = copy_attr_fn;
    del_fn.attr_mpi1_fortran_delete_fn = delete_attr_fn;

    /* Set the "F77_OLD" bit to denote that the callbacks should use
       the old MPI-1 INTEGER-parameter functions (as opposed to the
       new MPI-2 INTEGER(KIND=MPI_ADDRESS_KIND)-parameter
       functions). */

    ret = ompi_attr_create_keyval_fint(COMM_ATTR, copy_fn, del_fn,
                                       keyval, *extra_state,
                                       OMPI_KEYVAL_F77 | OMPI_KEYVAL_F77_MPI1,
                                       NULL);

    if (MPI_SUCCESS != ret) {
        c_ierr = OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD,
                                        MPI_ERR_OTHER,
                                        FUNC_NAME);
    } else {
        c_ierr = MPI_SUCCESS;
    }
    if (NULL != ierr) *ierr = OMPI_INT_2_FINT(c_ierr);
}
