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/* -*- 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) 2004-2008 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 (c) 2007-2009 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2015-2017 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2016-2017 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2020 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"
#include "ompi/memchecker.h"
#include "ompi/instance/instance.h"
#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Comm_get_errhandler = PMPI_Comm_get_errhandler
#endif
#define MPI_Comm_get_errhandler PMPI_Comm_get_errhandler
#endif
static const char FUNC_NAME[] = "MPI_Comm_get_errhandler";
int MPI_Comm_get_errhandler(MPI_Comm comm, MPI_Errhandler *errhandler)
{
int ret = MPI_SUCCESS;
/* Error checking */
MEMCHECKER(
memchecker_comm(comm);
);
/* Error checking */
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_comm_invalid(comm)) {
return OMPI_ERRHANDLER_NOHANDLE_INVOKE(MPI_ERR_COMM,
FUNC_NAME);
} else if (NULL == errhandler) {
return OMPI_ERRHANDLER_NOHANDLE_INVOKE(MPI_ERR_ARG,
FUNC_NAME);
}
}
OPAL_THREAD_LOCK(&(comm->c_lock));
/* Retain the errhandler, corresponding to object refcount decrease
in errhandler_free.c. */
OBJ_RETAIN(comm->error_handler);
*errhandler = comm->error_handler;
OPAL_THREAD_UNLOCK(&(comm->c_lock));
/* make sure the infrastructure is initialized */
ret = ompi_mpi_instance_retain ();
/* All done */
return ret;
}
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