143 строки
4.3 KiB
C
143 строки
4.3 KiB
C
/*
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* Copyright (c) 2004-2008 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 "orte_config.h"
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#include "orte/constants.h"
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#include "opal/mca/mca.h"
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#include "opal/util/output.h"
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#include "opal/mca/base/base.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "orte/mca/filem/filem.h"
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#include "orte/mca/filem/base/base.h"
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static orte_filem_base_component_t none_component = {
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/* Handle the general mca_component_t struct containing
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* meta information about the component itself
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*/
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{
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ORTE_FILEM_BASE_VERSION_2_0_0,
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/* Component name and version */
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"none",
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ORTE_MAJOR_VERSION,
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ORTE_MINOR_VERSION,
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ORTE_RELEASE_VERSION,
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/* Component open and close functions */
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orte_filem_base_none_open,
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orte_filem_base_none_close,
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orte_filem_base_none_query
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},
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{
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/* This component is checkpointable */
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MCA_BASE_METADATA_PARAM_CHECKPOINT
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},
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/* Verbosity level */
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0,
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/* opal_output handler */
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-1,
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/* Default priority */
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1
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};
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static orte_filem_base_module_t none_module = {
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/** Initialization Function */
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orte_filem_base_module_init,
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/** Finalization Function */
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orte_filem_base_module_finalize,
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orte_filem_base_none_put,
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orte_filem_base_none_get,
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orte_filem_base_none_rm
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};
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int orte_filem_base_select(void)
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{
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int exit_status = OPAL_SUCCESS;
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orte_filem_base_component_t *best_component = NULL;
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orte_filem_base_module_t *best_module = NULL;
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char *include_list = NULL;
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/*
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* Register the framework MCA param and look up include list
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*/
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mca_base_param_reg_string_name("filem", NULL,
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"Which FILEM component to use (empty = auto-select)",
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false, false,
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NULL, &include_list);
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/* If we do not have any components to select this is ok. The user likely
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* decided not to build with filem components. Just use the none
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* component and move on.
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*/
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if( 0 >= opal_list_get_size(&orte_filem_base_components_available) ||
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(NULL != include_list && 0 == strncmp(include_list, "none", strlen("none")) ) ) {
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opal_output_verbose(1, orte_filem_base_output,
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"filem:select: Warning: Using none component. Some functionality (e.g., --preload-binary) will not work in this mode.");
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best_component = &none_component;
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best_module = &none_module;
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/* JJH: Todo: Check if none is in the list */
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/* Close all components since none will be used */
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mca_base_components_close(0, /* Pass 0 to keep this from closing the output handle */
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&orte_filem_base_components_available,
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NULL);
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goto skip_select;
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}
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/*
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* Select the best component
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*/
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if( OPAL_SUCCESS != mca_base_select("filem", orte_filem_base_output,
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&orte_filem_base_components_available,
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(mca_base_module_t **) &best_module,
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(mca_base_component_t **) &best_component) ) {
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/* This will only happen if no component was selected */
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exit_status = ORTE_ERROR;
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goto cleanup;
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}
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skip_select:
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/* Save the winner */
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orte_filem_base_selected_component = *best_component;
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orte_filem = *best_module;
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/* Initialize the winner */
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if (NULL != best_module) {
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if (OPAL_SUCCESS != orte_filem.filem_init()) {
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exit_status = OPAL_ERROR;
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goto cleanup;
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}
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}
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cleanup:
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if( NULL != include_list ) {
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free(include_list);
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include_list = NULL;
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}
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return exit_status;
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}
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