129 строки
4.9 KiB
C
129 строки
4.9 KiB
C
/*
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* Copyright (c) 2004-2005 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) 2004-2011 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) 2008-2011 University of Houston. 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 <stdlib.h>
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#include "mpi.h"
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#include "ompi/constants.h"
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#include "ompi/mca/mca.h"
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#include "opal/mca/base/base.h"
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#include "ompi/mca/fs/fs.h"
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#include "ompi/mca/fs/base/base.h"
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#include "opal/util/output.h"
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static int init_query(const mca_base_component_t *m,
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bool enable_progress_threads,
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bool enable_mpi_threads);
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static int init_query_2_0_0(const mca_base_component_t *component,
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bool enable_progress_threads,
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bool enable_mpi_threads);
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int mca_fs_base_find_available(bool enable_progress_threads,
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bool enable_mpi_threads)
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{
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mca_base_component_list_item_t *cli, *next;
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/* The list of components which we should check is already present
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in mca_fs_base_components_opened, which was established in
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mca_fs_base_open */
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OPAL_LIST_FOREACH_SAFE(cli, next, &ompi_fs_base_framework.framework_components, mca_base_component_list_item_t) {
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/* Now for this entry, we have to determine the thread level. Call
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a subroutine to do the job for us */
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if (OMPI_SUCCESS != init_query(cli->cli_component,
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enable_progress_threads,
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enable_mpi_threads)) {
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/* The component does not want to run, so close it. Its close()
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has already been invoked. Close it out of the DSO repository
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(if it is there in the repository) */
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opal_list_remove_item (&ompi_fs_base_framework.framework_components, &cli->super);
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mca_base_component_close(cli->cli_component, ompi_fs_base_framework.framework_output);
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OBJ_RELEASE(cli);
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}
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}
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/* There should atleast be one fs component which was available */
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if (0 == opal_list_get_size(&ompi_fs_base_framework.framework_components)) {
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opal_output_verbose (10, ompi_fs_base_framework.framework_output,
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"fs:find_available: no fs components available!");
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return OMPI_ERROR;
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}
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/* All done */
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return OMPI_SUCCESS;
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}
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static int init_query(const mca_base_component_t *m,
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bool enable_progress_threads,
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bool enable_mpi_threads)
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{
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int ret;
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opal_output_verbose(10, ompi_fs_base_framework.framework_output,
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"fs:find_available: querying fs component %s",
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m->mca_component_name);
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/* This component has been successfully opened, now try to query it */
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if (2 == m->mca_type_major_version &&
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0 == m->mca_type_minor_version &&
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0 == m->mca_type_release_version) {
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ret = init_query_2_0_0(m, enable_progress_threads,
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enable_mpi_threads);
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} else {
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/* unrecognised API version */
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opal_output_verbose(10, ompi_fs_base_framework.framework_output,
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"fs:find_available:unrecognised fs API version (%d.%d.%d)",
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m->mca_type_major_version,
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m->mca_type_minor_version,
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m->mca_type_release_version);
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return OMPI_ERROR;
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}
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/* Query done -- look at return value to see what happened */
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if (OMPI_SUCCESS != ret) {
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opal_output_verbose(10, ompi_fs_base_framework.framework_output,
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"fs:find_available fs component %s is not available",
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m->mca_component_name);
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} else {
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opal_output_verbose(10, ompi_fs_base_framework.framework_output,
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"fs:find_avalable: fs component %s is available",
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m->mca_component_name);
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}
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/* All done */
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return ret;
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}
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static int init_query_2_0_0(const mca_base_component_t *component,
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bool enable_progress_threads,
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bool enable_mpi_threads)
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{
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mca_fs_base_component_2_0_0_t *fs =
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(mca_fs_base_component_2_0_0_t *) component;
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return fs->fsm_init_query(enable_progress_threads,
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enable_mpi_threads);
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}
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