02f8215b25
Per MPI 3.1 chapter 13.3 : "Derived etypes can be constructed by using any of the MPI datatype constructor routines, provided all resulting typemap displacements are non-negative and monotonically nondecreasing." Same restriction applies to ftypes. add the OMPI_DATATYPE_CHECK_FOR_VIEW() macro that is check the underlying opal_datatype_t is monotonic, on top of all checks performed in OMPI_DATATYPE_CHECK_FOR_RECV(). Since checking monotoniciy is expensive, check is only performed when needed, but the result is cached by ompi_datatype_is_monotonic(). Thanks Wei-keng Liao for the valuable feedback. Thanks George for the guidance. Refs. open-mpi/ompi#4682 Signed-off-by: Gilles Gouaillardet <gilles@rist.or.jp>
89 строки
2.7 KiB
C
89 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) 2008 Sun Microsystems, 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 (c) 2015-2018 Research Organization for Information Science
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* and Technology (RIST). All rights reserved.
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* Copyright (c) 2017 IBM Corporation. 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 "ompi/mpi/c/bindings.h"
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#include "ompi/runtime/params.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/info/info.h"
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#include "ompi/file/file.h"
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#include "ompi/memchecker.h"
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#if OMPI_BUILD_MPI_PROFILING
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#if OPAL_HAVE_WEAK_SYMBOLS
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#pragma weak MPI_File_set_view = PMPI_File_set_view
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#endif
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#define MPI_File_set_view PMPI_File_set_view
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#endif
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static const char FUNC_NAME[] = "MPI_File_set_view";
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int MPI_File_set_view(MPI_File fh, MPI_Offset disp, MPI_Datatype etype,
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MPI_Datatype filetype, const char *datarep, MPI_Info info)
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{
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int rc;
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MEMCHECKER(
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memchecker_datatype(etype);
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);
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if (MPI_PARAM_CHECK) {
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rc = MPI_SUCCESS;
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if (ompi_file_invalid(fh)) {
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rc = MPI_ERR_FILE;
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fh = MPI_FILE_NULL;
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} else {
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OMPI_CHECK_DATATYPE_FOR_VIEW(rc, etype, 0);
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if (MPI_SUCCESS == rc) {
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OMPI_CHECK_DATATYPE_FOR_VIEW(rc, filetype, 0);
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}
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}
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OMPI_ERRHANDLER_CHECK(rc, fh, rc, FUNC_NAME);
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}
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OPAL_CR_ENTER_LIBRARY();
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/* Call the back-end io component function */
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switch (fh->f_io_version) {
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case MCA_IO_BASE_V_2_0_0:
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rc = fh->f_io_selected_module.v2_0_0.
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io_module_file_set_view(fh, disp, etype, filetype, datarep, &(info->super));
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break;
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default:
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rc = MPI_ERR_INTERN;
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break;
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}
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/* All done */
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OMPI_ERRHANDLER_RETURN(rc, fh, rc, FUNC_NAME);
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}
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