openmpi/ompi/mpi/c/status_c2f.c

/*
 * Copyright (c) 2004-2007 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) 2004-2008 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.
 * $COPYRIGHT$
 * 
 * Additional copyrights may follow
 * 
 * $HEADER$
 */
#include "ompi_config.h"
#include <stdio.h>

#include "ompi/mpi/c/bindings.h"
#include "ompi/runtime/params.h"
#include "ompi/communicator/communicator.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/mpi/f77/fint_2_int.h"
#include "ompi/mpi/f77/constants.h"
#include "ompi/memchecker.h"

#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Status_c2f = PMPI_Status_c2f
#endif

#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/c/profile/defines.h"
#endif

static const char FUNC_NAME[] = "MPI_Status_c2f";


int MPI_Status_c2f(MPI_Status *c_status, MPI_Fint *f_status) 
{
    int i, *c_ints;
    MEMCHECKER(
        if(c_status != MPI_STATUSES_IGNORE) {
            /*
             * Before checking the complete status, we need to reset the definedness
             * of the MPI_ERROR-field (single-completion calls wait/test).
             */
            opal_memchecker_base_mem_defined(&c_status->MPI_ERROR, sizeof(int));
            memchecker_status(c_status);
        }
    );

    OPAL_CR_NOOP_PROGRESS();

    if (MPI_PARAM_CHECK) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);

        /* MPI-2:4.12.5 says that if you pass in
           MPI_STATUS[ES]_IGNORE, it's erroneous */
        
        if (NULL == c_status || MPI_STATUS_IGNORE == c_status || 
            MPI_STATUSES_IGNORE == c_status || NULL == f_status) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, 
                                          MPI_ERR_IN_STATUS, FUNC_NAME);
        }
    }

    c_ints = (int*)c_status;
    for( i = 0; i < (int)(sizeof(MPI_Status) / sizeof(int)); i++ )
        f_status[i] = OMPI_INT_2_FINT(c_ints[i]);

    /*
    f_status[0] = OMPI_INT_2_FINT(c_status->MPI_SOURCE);
    f_status[1] = OMPI_INT_2_FINT(c_status->MPI_TAG);
    f_status[2] = OMPI_INT_2_FINT(c_status->MPI_ERROR);
    f_status[3] = OMPI_INT_2_FINT(c_status->_count);
    f_status[4] = OMPI_INT_2_FINT(c_status->_cancelled);
    */
    return MPI_SUCCESS;
}