/*
 * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
 *                         University Research and Technology
 *                         Corporation.  All rights reserved.
 * Copyright (c) 2004-2020 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      Sun Microsystems, Inc.  All rights reserved.
 * Copyright (c) 2015      Research Organization for Information Science
 *                         and Technology (RIST). All rights reserved.
 * Copyright (c) 2016-2019 IBM Corporation. All rights reserved.
 * $COPYRIGHT$
 *
 * Additional copyrights may follow
 *
 * $HEADER$
 */

#include "ompi_config.h"

#include "ompi/mpi/c/bindings.h"
#include "ompi/runtime/params.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/info/info.h"
#include "ompi/communicator/communicator.h"
#include "opal/util/info_subscriber.h"
#include "ompi/file/file.h"

#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_File_set_info = PMPI_File_set_info
#endif
#define MPI_File_set_info PMPI_File_set_info
#endif

static const char FUNC_NAME[] = "MPI_File_set_info";


int MPI_File_set_info(MPI_File fh, MPI_Info info)
{
    int ret; 

    if (MPI_PARAM_CHECK) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);

        if (ompi_file_invalid(fh)) {
            return OMPI_ERRHANDLER_NOHANDLE_INVOKE(MPI_ERR_FILE, FUNC_NAME);
        }

	if (NULL == info || MPI_INFO_NULL == info ||
            ompi_info_is_freed(info)) {
            return OMPI_ERRHANDLER_INVOKE(fh, MPI_ERR_INFO,
                                          FUNC_NAME);
        }
    }

// Some components we're still letting handle info internally, eg romio321.
// Components that want to handle it themselves will fill in the get/set
// info function pointers, components that don't will use NULL.
    if (fh->f_io_selected_module.v2_0_0.io_module_file_set_info != NULL) {
        int rc;
        switch (fh->f_io_version) {
        case MCA_IO_BASE_V_2_0_0:
            rc = fh->f_io_selected_module.v2_0_0.
              io_module_file_set_info(fh, info);
            break;

        default:
            rc = MPI_ERR_INTERN;
            break;
        }
        OMPI_ERRHANDLER_RETURN(rc, fh, rc, FUNC_NAME);
    }

    ret = opal_infosubscribe_change_info(&fh->super, &info->super);

    OMPI_ERRHANDLER_RETURN(ret, fh, ret, FUNC_NAME);
}