2004-01-25 02:17:43 +03:00
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/*
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2007-03-17 02:11:45 +03:00
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* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
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2005-11-05 22:57:48 +03:00
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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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2004-11-28 23:09:25 +03:00
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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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2005-03-24 15:43:37 +03:00
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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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2008-07-03 23:28:02 +04:00
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* Copyright (c) 2008 Cisco Systems, Inc. All rights reserved.
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2004-11-22 04:38:40 +03:00
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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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2004-01-25 02:17:43 +03:00
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* $HEADER$
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*/
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2004-06-07 19:33:53 +04:00
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#include "ompi_config.h"
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2004-01-25 02:17:43 +03:00
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2006-02-12 04:33:29 +03:00
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#include "ompi/mpi/c/bindings.h"
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2005-09-12 13:17:44 +04:00
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#include "ompi/file/file.h"
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2004-01-25 02:17:43 +03:00
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2004-06-07 19:33:53 +04:00
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#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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2004-01-25 02:17:43 +03:00
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#pragma weak MPI_File_get_errhandler = PMPI_File_get_errhandler
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#endif
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2004-06-07 19:33:53 +04:00
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#if OMPI_PROFILING_DEFINES
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2006-02-12 04:33:29 +03:00
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#include "ompi/mpi/c/profile/defines.h"
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2004-04-20 22:50:43 +04:00
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#endif
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2004-07-30 06:58:53 +04:00
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static const char FUNC_NAME[] = "MPI_File_get_errhandler";
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int MPI_File_get_errhandler( MPI_File file, MPI_Errhandler *errhandler)
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{
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2008-07-03 23:28:02 +04:00
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MPI_Errhandler tmp;
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2007-03-17 02:11:45 +03:00
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2008-02-20 01:15:52 +03:00
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OPAL_CR_NOOP_PROGRESS();
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2007-03-17 02:11:45 +03:00
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2004-04-20 03:46:16 +04:00
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/* Error checking */
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if (MPI_PARAM_CHECK) {
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2004-07-30 06:58:53 +04:00
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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2006-10-16 16:58:40 +04:00
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2006-10-17 04:18:35 +04:00
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/* Note that MPI-2:9.7 (p265 in the ps; 261 in the pdf) explicitly
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says that you are allowed to set the error handler on
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MPI_FILE_NULL */
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2006-10-16 16:58:40 +04:00
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if (NULL == file) {
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2004-07-30 06:58:53 +04:00
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_FILE,
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2004-04-20 03:46:16 +04:00
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"MPI_File_get_errhandler");
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} else if (NULL == errhandler) {
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2004-06-07 19:33:53 +04:00
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
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2004-04-20 03:46:16 +04:00
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"MPI_File_get_errhandler");
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}
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}
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2008-07-03 23:28:02 +04:00
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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 = file->error_handler;
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} while (!OPAL_ATOMIC_CMPSET(&(file->error_handler), tmp, tmp));
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2006-10-17 04:18:35 +04:00
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/* Retain the errhandler, corresponding to object refcount
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decrease in errhandler_free.c. */
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2008-07-03 23:28:02 +04:00
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*errhandler = tmp;
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OBJ_RETAIN(tmp);
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2004-04-20 03:46:16 +04:00
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/* All done */
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2004-07-30 06:58:53 +04:00
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2004-04-20 03:46:16 +04:00
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return MPI_SUCCESS;
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2004-01-25 02:17:43 +03:00
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}
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