dadca7da88
This merge adds Checkpoint/Restart support to Open MPI. The initial frameworks and components support a LAM/MPI-like implementation. This commit follows the risk assessment presented to the Open MPI core development group on Feb. 22, 2007. This commit closes trac:158 More details to follow. This commit was SVN r14051. The following SVN revisions from the original message are invalid or inconsistent and therefore were not cross-referenced: r13912 The following Trac tickets were found above: Ticket 158 --> https://svn.open-mpi.org/trac/ompi/ticket/158
65 строки
2.1 KiB
C
65 строки
2.1 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) 2004-2005 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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#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/datatype/datatype.h"
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#include "ompi/datatype/convertor.h"
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#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_Pack_size = PMPI_Pack_size
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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_Pack_size";
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int MPI_Pack_size(int incount, MPI_Datatype datatype, MPI_Comm comm,
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int *size)
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{
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ompi_convertor_t local_convertor;
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size_t length;
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OPAL_CR_TEST_CHECKPOINT_READY();
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if (MPI_PARAM_CHECK) {
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if (MPI_COMM_NULL == comm) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
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FUNC_NAME);
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} else if (NULL == size) {
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return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG, FUNC_NAME);
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} else if (MPI_DATATYPE_NULL == datatype) {
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return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_TYPE, FUNC_NAME);
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}
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}
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OBJ_CONSTRUCT( &local_convertor, ompi_convertor_t );
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/* the resulting convertor will be set to the position ZERO */
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ompi_convertor_copy_and_prepare_for_send( ompi_mpi_local_convertor, datatype, incount, NULL, 0, &local_convertor );
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ompi_convertor_get_packed_size( &local_convertor, &length );
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*size = (int)length;
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OBJ_DESTRUCT( &local_convertor );
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return MPI_SUCCESS;
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}
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