/*
 * 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) 2004-2005 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) 2008-2009 Cisco Systems, Inc.  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/win/win.h"

#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Win_create_errhandler = PMPI_Win_create_errhandler
#endif

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

static const char FUNC_NAME[] = "MPI_Win_create_errhandler";


int MPI_Win_create_errhandler(MPI_Win_errhandler_function *function,
                              MPI_Errhandler *errhandler) 
{
    int err = MPI_SUCCESS;

    if (MPI_PARAM_CHECK) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
        if (NULL == function || 
            NULL == errhandler) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
                                          FUNC_NAME);
        }
    }

    OPAL_CR_ENTER_LIBRARY();

    /* Create and cache the errhandler.  Sets a refcount of 1. */
    *errhandler = 
        ompi_errhandler_create(OMPI_ERRHANDLER_TYPE_WIN,
                               (ompi_errhandler_generic_handler_fn_t*) function,
                               OMPI_ERRHANDLER_LANG_C);
    if (NULL == *errhandler) {
        err = MPI_ERR_INTERN;
    }

    OMPI_ERRHANDLER_RETURN(err, MPI_COMM_WORLD, MPI_ERR_INTERN, FUNC_NAME);
}
