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/*
* Copyright (c) 2004-2005 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.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/mpi/c/bindings.h"
#include "ompi/datatype/datatype.h"
#include "ompi/attribute/attribute.h"
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Type_dup = PMPI_Type_dup
#endif
#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_Type_dup";
int MPI_Type_dup (MPI_Datatype type,
MPI_Datatype *newtype)
{
int rc;
if( MPI_PARAM_CHECK ) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == type || MPI_DATATYPE_NULL == type ||
NULL == newtype) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_TYPE,
FUNC_NAME );
}
}
if( (rc = ompi_ddt_duplicate( type, newtype )) != MPI_SUCCESS ) {
ompi_ddt_destroy( newtype );
OMPI_ERRHANDLER_RETURN( MPI_ERR_INTERN, MPI_COMM_WORLD,
MPI_ERR_INTERN, FUNC_NAME );
}
ompi_ddt_set_args( *newtype, 0, NULL, 0, NULL, 1, &type, MPI_COMBINER_DUP );
/* Copy all the old attributes, if there were any. This is done
here (vs. ompi_ddt_duplicate()) because MPI_TYPE_DUP is the
only MPI function that copies attributes. All other MPI
functions that take an old type and generate a newtype do not
copy attributes. Really. */
if (NULL != type->d_keyhash) {
ompi_attr_hash_init(&(*newtype)->d_keyhash);
if (OMPI_SUCCESS != (rc = ompi_attr_copy_all(TYPE_ATTR,
type, *newtype,
type->d_keyhash,
(*newtype)->d_keyhash))) {
ompi_ddt_destroy(newtype);
OMPI_ERRHANDLER_RETURN( MPI_ERR_INTERN, MPI_COMM_WORLD,
MPI_ERR_INTERN, FUNC_NAME );
}
}
return MPI_SUCCESS;
}
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