80 строки
2.7 KiB
C
80 строки
2.7 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2006 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2013 Los Alamos National Security, LLC. All rights
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* reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include <stdio.h>
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#include "ompi/mpi/c/bindings.h"
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#include "ompi/runtime/params.h"
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#include "ompi/communicator/communicator.h"
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#include "ompi/errhandler/errhandler.h"
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#include "ompi/datatype/ompi_datatype.h"
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#include "opal/datatype/opal_convertor.h"
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#include "ompi/memchecker.h"
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#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_Pack_external_size = PMPI_Pack_external_size
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#endif
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#if OMPI_PROFILING_DEFINES
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#include "ompi/mpi/c/profile/defines.h"
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#endif
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static const char FUNC_NAME[] = "MPI_Pack_external_size";
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int MPI_Pack_external_size(const char datarep[], int incount,
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MPI_Datatype datatype, MPI_Aint *size)
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{
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opal_convertor_t local_convertor;
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size_t length;
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MEMCHECKER(
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memchecker_datatype(datatype);
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);
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if (MPI_PARAM_CHECK) {
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if (NULL == size) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG, FUNC_NAME);
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} else if (MPI_DATATYPE_NULL == datatype || NULL == datatype) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_TYPE, FUNC_NAME);
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}
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}
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OPAL_CR_ENTER_LIBRARY();
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OBJ_CONSTRUCT(&local_convertor, opal_convertor_t);
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/* the resulting convertor will be set to the position ZERO */
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opal_convertor_copy_and_prepare_for_recv( ompi_mpi_external32_convertor,
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&(datatype->super), incount, NULL,
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CONVERTOR_SEND_CONVERSION,
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&local_convertor );
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opal_convertor_get_unpacked_size( &local_convertor, &length );
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*size = (MPI_Aint)length;
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OBJ_DESTRUCT( &local_convertor );
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OPAL_CR_EXIT_LIBRARY();
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return OMPI_SUCCESS;
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}
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