86 строки
2.8 KiB
C
86 строки
2.8 KiB
C
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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) 2004-2010 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) 2007 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 "ompi/memchecker.h"
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#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_Status_set_elements_x = PMPI_Status_set_elements_x
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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_Status_set_elements_x";
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int MPI_Status_set_elements_x(MPI_Status *status, MPI_Datatype datatype, MPI_Count count)
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{
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int rc = MPI_SUCCESS;
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size_t size;
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MEMCHECKER(
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if(status != MPI_STATUSES_IGNORE) {
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/*
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* Before checking the complete status, we need to reset the definedness
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* of the MPI_ERROR-field (single-completion calls wait/test).
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*/
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opal_memchecker_base_mem_defined(&status->MPI_ERROR, sizeof(int));
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memchecker_status (status);
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memchecker_datatype(datatype);
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}
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);
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OPAL_CR_NOOP_PROGRESS();
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if (MPI_PARAM_CHECK) {
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if (NULL == datatype || MPI_DATATYPE_NULL == datatype) {
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rc = MPI_ERR_TYPE;
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} else if (count < 0) {
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rc = MPI_ERR_COUNT;
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}
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OMPI_ERRHANDLER_CHECK(rc, MPI_COMM_WORLD, rc, FUNC_NAME);
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}
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/* ROMIO calls MPI_STATUS_SET_ELEMENTS with IGNORE values, so we
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need to allow it. Blah! */
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if (MPI_STATUS_IGNORE == status || MPI_STATUSES_IGNORE == status) {
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return MPI_SUCCESS;
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}
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if( ompi_datatype_is_predefined(datatype) ) {
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ompi_datatype_type_size( datatype, &size );
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status->_ucount = count * size;
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} else {
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ompi_datatype_set_element_count( datatype, count, &size );
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status->_ucount = size;
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}
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return MPI_SUCCESS;
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}
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