/*
 * Copyright (c) 2013      Mellanox Technologies, Inc.
 *                         All rights reserved.
 * Copyright (c) 2013 Cisco Systems, Inc.  All rights reserved.
 * $COPYRIGHT$
 * 
 * Additional copyrights may follow
 * 
 * $HEADER$
 */

#include "oshmem_config.h"
#include "oshmem/shmem/fortran/bindings.h"
#include "oshmem/include/shmem.h"
#include "oshmem/shmem/shmem_api_logger.h"
#include "oshmem/runtime/runtime.h"
#include "oshmem/mca/atomic/atomic.h"
#include "ompi/datatype/ompi_datatype.h"
#include "stdio.h"

SHMEM_GENERATE_FORTRAN_BINDINGS_FUNCTION (MPI_Fint,
        SHMEM_SWAP,
        shmem_swap_,
        shmem_swap__,
        shmem_swap_f,
        (FORTRAN_POINTER_T target, FORTRAN_POINTER_T value, MPI_Fint *pe), 
        (target,value,pe) )

MPI_Fint shmem_swap_f(FORTRAN_POINTER_T target, FORTRAN_POINTER_T value, MPI_Fint *pe)
{
    size_t integer_type_size = 0;
    MPI_Fint out_value = 0;
    ompi_datatype_type_size(&ompi_mpi_integer.dt, &integer_type_size);

    MCA_ATOMIC_CALL(cswap(FPTR_2_VOID_PTR(target), 
        (void *)&out_value, 
        NULL, 
        FPTR_2_VOID_PTR(value), 
        integer_type_size, 
        OMPI_FINT_2_INT(*pe)));

    return out_value;
}