79 строки
2.6 KiB
C
79 строки
2.6 KiB
C
/*
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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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* $COPYRIGHT$
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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/win/win.h"
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#include "ompi/mca/osc/osc.h"
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#include "ompi/datatype/ompi_datatype.h"
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#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_Get = PMPI_Get
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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_Get";
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int MPI_Get(void *origin_addr, int origin_count,
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MPI_Datatype origin_datatype, int target_rank,
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MPI_Aint target_disp, int target_count,
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MPI_Datatype target_datatype, MPI_Win win)
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{
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int rc;
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if (MPI_PARAM_CHECK) {
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rc = OMPI_SUCCESS;
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if (ompi_win_invalid(win)) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_WIN, FUNC_NAME);
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} else if (origin_count < 0 || target_count < 0) {
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rc = MPI_ERR_COUNT;
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} else if (ompi_win_peer_invalid(win, target_rank) &&
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(MPI_PROC_NULL != target_rank)) {
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rc = MPI_ERR_RANK;
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} else if ( target_disp < 0 ) {
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rc = MPI_ERR_DISP;
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} else {
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OMPI_CHECK_DATATYPE_FOR_ONE_SIDED(rc, origin_datatype, origin_count);
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if (OMPI_SUCCESS == rc) {
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OMPI_CHECK_DATATYPE_FOR_ONE_SIDED(rc, target_datatype, target_count);
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}
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}
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OMPI_ERRHANDLER_CHECK(rc, win, rc, FUNC_NAME);
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}
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if (MPI_PROC_NULL == target_rank) return MPI_SUCCESS;
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OPAL_CR_ENTER_LIBRARY();
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rc = win->w_osc_module->osc_get(origin_addr, origin_count, origin_datatype,
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target_rank, target_disp, target_count,
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target_datatype, win);
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OMPI_ERRHANDLER_RETURN(rc, win, rc, FUNC_NAME);
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}
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