7e210fdaf8
MPI_COMM|WIN_SET|GET_ERRHANDLER if a bad MPI handle is passed. Thanks to Lisandro Dalcín for reporting the issue. This commit was SVN r20615.
76 строки
2.1 KiB
C
76 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) 2004-2008 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) 2007-2009 Cisco Systems, Inc. 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/memchecker.h"
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#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_Comm_get_errhandler = PMPI_Comm_get_errhandler
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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_Comm_get_errhandler";
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int MPI_Comm_get_errhandler(MPI_Comm comm, MPI_Errhandler *errhandler)
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{
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MPI_Errhandler tmp;
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/* Error checking */
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MEMCHECKER(
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memchecker_comm(comm);
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);
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OPAL_CR_NOOP_PROGRESS();
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/* Error checking */
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if (MPI_PARAM_CHECK) {
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if (ompi_comm_invalid(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 == errhandler) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
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FUNC_NAME);
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}
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}
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/* On 64 bits environments we have to make sure the reading of the
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error_handler became atomic. */
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do {
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tmp = comm->error_handler;
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} while (!OPAL_ATOMIC_CMPSET(&(comm->error_handler), tmp, tmp));
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/* Retain the errhandler, corresponding to object refcount decrease
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in errhandler_free.c. */
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*errhandler = tmp;
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OBJ_RETAIN(tmp);
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/* All done */
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return MPI_SUCCESS;
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}
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