74 строки
2.4 KiB
C
74 строки
2.4 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 (c) 2008-2009 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/win/win.h"
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#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_Win_set_errhandler = PMPI_Win_set_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_Win_set_errhandler";
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int MPI_Win_set_errhandler(MPI_Win win, MPI_Errhandler errhandler)
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{
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MPI_Errhandler tmp;
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OPAL_CR_NOOP_PROGRESS();
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if (MPI_PARAM_CHECK) {
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if (ompi_win_invalid(win)) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG, FUNC_NAME);
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} else if (NULL == errhandler ||
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MPI_ERRHANDLER_NULL == errhandler ||
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(OMPI_ERRHANDLER_TYPE_WIN != errhandler->eh_mpi_object_type &&
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OMPI_ERRHANDLER_TYPE_PREDEFINED != errhandler->eh_mpi_object_type) ) {
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return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_ARG, FUNC_NAME);
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}
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}
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/* Ditch the old errhandler, and decrement its refcount. On 64
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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 = win->error_handler;
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} while (!OPAL_ATOMIC_CMPSET(&(win->error_handler), tmp, tmp));
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OBJ_RELEASE(tmp);
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/* Now set the new errhandler and increase its refcount */
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do {
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win->error_handler = errhandler;
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} while (!OPAL_ATOMIC_CMPSET(&(errhandler), win->error_handler,
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win->error_handler));
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win->error_handler = errhandler;
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OBJ_RETAIN(errhandler);
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/* All done */
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return MPI_SUCCESS;
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}
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