53b952dc2b
when profiling is built. This prevents oshmem subroutines from being wrapped twice by third party tools (e.g. once in oshmem and once in MPI) see discussion starting at http://www.open-mpi.org/community/lists/devel/2015/08/17842.php Thanks to Bert Wesarg for bringing this to our attention
109 строки
4.2 KiB
C
109 строки
4.2 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 (c) 2015 Research Organization for Information Science
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* and Technology (RIST). 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/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 OMPI_BUILD_MPI_PROFILING
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#if OPAL_HAVE_WEAK_SYMBOLS
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#pragma weak MPI_Pack_external = PMPI_Pack_external
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#endif
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#define MPI_Pack_external PMPI_Pack_external
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#endif
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static const char FUNC_NAME[] = "MPI_Pack_external";
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int MPI_Pack_external(const char datarep[], const void *inbuf, int incount,
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MPI_Datatype datatype, void *outbuf,
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MPI_Aint outsize, MPI_Aint *position)
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{
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int rc;
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opal_convertor_t local_convertor;
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struct iovec invec;
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unsigned int iov_count;
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size_t size;
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MEMCHECKER(
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memchecker_datatype(datatype);
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memchecker_call(&opal_memchecker_base_isdefined, inbuf, incount, 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 == outbuf) || (NULL == position)) { /* inbuf can be MPI_BOTTOM */
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG, FUNC_NAME);
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} else if (incount < 0) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COUNT, FUNC_NAME);
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} else if (outsize < 0) {
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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. We have to use
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* CONVERTOR_SEND_CONVERSION in order to force the convertor to do anything
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* more than just packing the data.
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*/
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opal_convertor_copy_and_prepare_for_send( ompi_mpi_external32_convertor,
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&(datatype->super), incount, (void *) inbuf,
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CONVERTOR_SEND_CONVERSION,
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&local_convertor );
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/* Check for truncation */
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opal_convertor_get_packed_size( &local_convertor, &size );
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if( (*position + size) > (size_t)outsize ) { /* we can cast as we already checked for < 0 */
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OBJ_DESTRUCT( &local_convertor );
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OPAL_CR_EXIT_LIBRARY();
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return OMPI_ERRHANDLER_INVOKE( MPI_COMM_WORLD, MPI_ERR_TRUNCATE, FUNC_NAME );
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}
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/* Prepare the iovec with all informations */
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invec.iov_base = (char*) outbuf + (*position);
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invec.iov_len = size;
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/* Do the actual packing */
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iov_count = 1;
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rc = opal_convertor_pack( &local_convertor, &invec, &iov_count, &size );
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*position += size;
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OBJ_DESTRUCT( &local_convertor );
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/* All done. Note that the convertor returns 1 upon success, not
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OMPI_SUCCESS. */
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OMPI_ERRHANDLER_RETURN((rc == 1) ? OMPI_SUCCESS : OMPI_ERROR,
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MPI_COMM_WORLD, MPI_ERR_UNKNOWN, FUNC_NAME);
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}
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