84 строки
2.7 KiB
C
84 строки
2.7 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights 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 "mpi.h"
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#include "mpi/c/bindings.h"
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#include "communicator/communicator.h"
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#include "errhandler/errhandler.h"
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#include "info/info.h"
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#include "file/file.h"
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#include "mca/io/io.h"
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#include "mca/io/base/base.h"
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#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_File_delete = PMPI_File_delete
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#endif
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#if OMPI_PROFILING_DEFINES
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#include "mpi/c/profile/defines.h"
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#endif
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static const char FUNC_NAME[] = "MPI_File_delete";
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int MPI_File_delete(char *filename, MPI_Info info)
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{
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int rc;
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if (MPI_PARAM_CHECK) {
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rc = MPI_SUCCESS;
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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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rc = MPI_ERR_INFO;
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} else if (NULL == filename) {
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rc = MPI_ERR_ARG;
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}
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OMPI_ERRHANDLER_CHECK(rc, MPI_FILE_NULL, rc, FUNC_NAME);
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}
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/* Note that MPI-2:9.7 (p265) says that errors in MPI_FILE_OPEN
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(before the file handle is created) should invoke the default
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error handler on MPI_FILE_NULL. Hence, if we get a file handle
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out of ompi_file_open(), invoke the error handler on that. If
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not, invoke the error handler on 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(OMPI_ENABLE_PROGRESS_THREADS,
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OMPI_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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/* Since there is no MPI_File handle associated with this
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function, the MCA has to do a selection and perform the
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action */
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rc = mca_io_base_delete(filename, info);
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OMPI_ERRHANDLER_RETURN(rc, MPI_FILE_NULL, rc, FUNC_NAME);
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}
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