openmpi/ompi/mpi/c/comm_set_info.c

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
 * Copyright (c) 2014 Cisco Systems, Inc.  All rights reserved.
 * Copyright (c) 2015      Research Organization for Information Science
 *                         and Technology (RIST). All rights reserved.
 * Copyright (c) 2016-2017 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/communicator/communicator.h"
#include "ompi/errhandler/errhandler.h"
#include "opal/util/info_subscriber.h"
#include <stdlib.h>
#include <string.h>

#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Comm_set_info = PMPI_Comm_set_info
#endif
#define MPI_Comm_set_info PMPI_Comm_set_info
#endif

static const char FUNC_NAME[] = "MPI_Comm_set_info";


int MPI_Comm_set_info(MPI_Comm comm, MPI_Info info)
{
    OPAL_CR_NOOP_PROGRESS();

    if (MPI_PARAM_CHECK) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
        if (NULL == info || MPI_INFO_NULL == info ||
            ompi_info_is_freed(info)) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
                                          FUNC_NAME);
        }
        if (ompi_comm_invalid(comm)) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
                                          FUNC_NAME);
        }
    }

    OPAL_CR_ENTER_LIBRARY();

    opal_infosubscribe_change_info(&(comm->super), &(info->super));

    return MPI_SUCCESS;
}