/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
 * 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) 2008-2009 Cisco Systems, Inc.  All rights reserved.
 * Copyright (c) 2015      Research Organization for Information Science
 *                         and Technology (RIST). All rights reserved.
 * Copyright (c) 2018-2021 Triad National Security, LLC. 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"

#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Comm_create_errhandler = PMPI_Comm_create_errhandler
#endif
#define MPI_Comm_create_errhandler PMPI_Comm_create_errhandler
#endif


static const char FUNC_NAME[] = "MPI_Comm_create_errhandler";


int MPI_Comm_create_errhandler(MPI_Comm_errhandler_function *function,
                               MPI_Errhandler *errhandler)
{
    int err = MPI_SUCCESS;

    /* Error checking */

    if (MPI_PARAM_CHECK) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);

        if (NULL == function ||
            NULL == errhandler) {
          return OMPI_ERRHANDLER_NOHANDLE_INVOKE(MPI_ERR_ARG,
                                                 FUNC_NAME);
        }
    }

    /* Create and cache the errhandler.  Sets a refcount of 1. */

    *errhandler =
        ompi_errhandler_create(OMPI_ERRHANDLER_TYPE_COMM,
                               (ompi_errhandler_generic_handler_fn_t*) function,
                               OMPI_ERRHANDLER_LANG_C);
    if (NULL == *errhandler) {
        err = MPI_ERR_INTERN;
    }

    OMPI_ERRHANDLER_NOHANDLE_RETURN(err, MPI_ERR_INTERN, FUNC_NAME);
}