100 строки
4.9 KiB
C
100 строки
4.9 KiB
C
/*
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* Copyright (c) 2004-2005 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) 2004-2006 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) 2004-2005 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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#ifndef OMPI_C_BINDINGS_H
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#define OMPI_C_BINDINGS_H
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#include "ompi_config.h"
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#include "mpi.h"
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#include "ompi/communicator/communicator.h"
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#include "ompi/datatype/datatype.h"
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#include "ompi/runtime/params.h"
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#if defined(c_plusplus) || defined(__cplusplus)
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extern "C" {
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#endif
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/* If compiling in the profile directory, then we don't have weak
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symbols and therefore we need the defines to map from MPI->PMPI.
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NOTE: pragma weak stuff is handled on a file-by-file basis; it
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doesn't work to simply list all of the pragmas in a top-level
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header file. */
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/* These macros have to be used to check the corectness of the datatype depending on the
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* operations that we have to do with them. They can be used on all functions, not only
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* on the top level MPI functions, as they does not trigger the error handler. Is the user
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* responsability to do it.
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*/
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#define OMPI_CHECK_DATATYPE_FOR_SEND( RC, DDT, COUNT ) \
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do { \
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/* (RC) = MPI_SUCCESS; */ \
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if( NULL == (DDT) || MPI_DATATYPE_NULL == (DDT) ) (RC) = MPI_ERR_TYPE; \
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else if( (COUNT) < 0 ) (RC) = MPI_ERR_COUNT; \
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else if( !ompi_ddt_is_committed((DDT)) ) (RC) = MPI_ERR_TYPE; \
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else if( !ompi_ddt_is_valid((DDT)) ) (RC) = MPI_ERR_TYPE; \
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} while (0)
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#define OMPI_CHECK_DATATYPE_FOR_RECV( RC, DDT, COUNT ) \
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do { \
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/* (RC) = MPI_SUCCESS; */ \
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if( NULL == (DDT) || MPI_DATATYPE_NULL == (DDT) ) (RC) = MPI_ERR_TYPE; \
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else if( (COUNT) < 0 ) (RC) = MPI_ERR_COUNT; \
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else if( !ompi_ddt_is_committed((DDT)) ) (RC) = MPI_ERR_TYPE; \
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/* XXX Fix flags else if( ompi_ddt_is_overlapped((DDT)) ) (RC) = MPI_ERR_TYPE; */ \
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else if( !ompi_ddt_is_valid((DDT)) ) (RC) = MPI_ERR_TYPE; \
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} while (0)
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#define OMPI_CHECK_DATATYPE_FOR_ONE_SIDED( RC, DDT, COUNT ) \
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do { \
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/*(RC) = MPI_SUCCESS; */ \
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if( NULL == (DDT) || MPI_DATATYPE_NULL == (DDT) ) (RC) = MPI_ERR_TYPE; \
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else if( (COUNT) < 0 ) (RC) = MPI_ERR_COUNT; \
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else if( !ompi_ddt_is_committed((DDT)) ) (RC) = MPI_ERR_TYPE; \
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else if( ompi_ddt_is_overerlapped((DDT)) ) (RC) = MPI_ERR_TYPE; \
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else if( !ompi_ddt_is_acceptable_for_one_sided((DDT)) ) (RC) = MPI_ERR_TYPE; \
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else if( !ompi_ddt_is_valid((DDT)) ) (RC) = MPI_ERR_TYPE; \
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} while(0)
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/* This macro has to be used to check the correctness of the user buffer depending on the datatype.
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* This macro expects that the DDT parameter is a valid pointer to an ompi datatype object.
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*/
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#define OMPI_CHECK_USER_BUFFER(RC, BUFFER, DDT, COUNT) \
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do { \
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if ( NULL == (BUFFER) && 0 < (COUNT) && MPI_SUCCESS == (RC) ) { \
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if ( (DDT)->flags & DT_FLAG_PREDEFINED ) { \
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(RC) = MPI_ERR_BUFFER; \
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} else { \
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unsigned long size = 0; \
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long true_lb = 0; \
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long true_extended = 0; \
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ompi_ddt_get_size((DDT), &size); \
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ompi_ddt_get_true_extent((DDT), &true_lb, &true_extended); \
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if ( 0 < size && 0 == true_lb ) { \
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(RC) = MPI_ERR_BUFFER; \
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} \
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} \
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} \
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} while (0)
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#if defined(c_plusplus) || defined(__cplusplus)
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}
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#endif
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#endif /* OMPI_C_BINDINGS_H */
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