60485ff95f
OMPI_* to OPAL_*. This allows opal layer to be used more independent from the whole of ompi. NOTE: 9 "svn mv" operations immediately follow this commit. This commit was SVN r21180.
104 строки
3.5 KiB
C
104 строки
3.5 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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* $COPYRIGHT$
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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 "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/info/info.h"
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#include "ompi/file/file.h"
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#include "ompi/mca/io/io.h"
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#include "ompi/mca/io/base/base.h"
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#include "ompi/memchecker.h"
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#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_File_open = PMPI_File_open
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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_File_open";
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int MPI_File_open(MPI_Comm comm, char *filename, int amode,
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MPI_Info info, MPI_File *fh)
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{
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int rc;
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MEMCHECKER(
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memchecker_comm(comm);
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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 == info || ompi_info_is_freed(info)) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
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FUNC_NAME);
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} else 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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}
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if (OMPI_COMM_IS_INTER(comm)) {
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return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_COMM,
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FUNC_NAME);
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}
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}
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/* Note that MPI-2:9.7 (p265 in the ps; p261 in the pdf) says that
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errors in MPI_FILE_OPEN (before the file handle is created)
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should invoke the default error handler on MPI_FILE_NULL.
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Hence, if we get a file handle out of ompi_file_open(), invoke
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the error handler on that. If not, invoke the error handler on
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MPI_FILE_NULL. */
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/* The io framework is only initialized lazily. If it hasn't
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already been initialized, do so now (note that MPI_FILE_OPEN
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and MPI_FILE_DELETE are the only two places that it will be
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initialized). */
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if (!(mca_io_base_components_opened_valid ||
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mca_io_base_components_available_valid)) {
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if (OMPI_SUCCESS != (rc = mca_io_base_open())) {
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return OMPI_ERRHANDLER_INVOKE(MPI_FILE_NULL, rc, FUNC_NAME);
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}
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if (OMPI_SUCCESS !=
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(rc = mca_io_base_find_available(OPAL_ENABLE_PROGRESS_THREADS,
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OPAL_ENABLE_MPI_THREADS))) {
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return OMPI_ERRHANDLER_INVOKE(MPI_FILE_NULL, rc, FUNC_NAME);
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}
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}
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OPAL_CR_ENTER_LIBRARY();
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/* Create an empty MPI_File handle */
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*fh = MPI_FILE_NULL;
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rc = ompi_file_open(comm, filename, amode, info, fh);
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/* Creating the file handle also selects a component to use,
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creates a module, and calls file_open() on the module. So
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we're good to go. */
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OMPI_ERRHANDLER_RETURN(rc, *fh, rc, FUNC_NAME);
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}
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