d70e2e8c2b
Remains to be tested to ensure everything came over cleanly, so please continue to withhold commits a little longer This commit was SVN r17632.
108 строки
4.0 KiB
C
108 строки
4.0 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) 2004-2005 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) 2004-2005 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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#include "orte/constants.h"
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#include <string.h>
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#include "opal/util/output.h"
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#include "opal/mca/mca.h"
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#include "opal/mca/base/base.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/util/name_fns.h"
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#include "orte/runtime/orte_globals.h"
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#include "orte/mca/rmaps/base/base.h"
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/*
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* Function for selecting one component from all those that are
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* available.
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*/
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int orte_rmaps_base_select(void)
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{
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opal_list_item_t *item;
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mca_base_component_list_item_t *cli;
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orte_rmaps_base_component_t *component, *best_component=NULL;
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orte_rmaps_base_module_t *module, *best_module=NULL;
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int priority, best_priority = -1;
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/* Query all the available components and see if they want to run */
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for (item = opal_list_get_first(&orte_rmaps_base.available_components);
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opal_list_get_end(&orte_rmaps_base.available_components) != item;
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item = opal_list_get_next(item)) {
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cli = (mca_base_component_list_item_t *) item;
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component = (orte_rmaps_base_component_t *) cli->cli_component;
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OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base.rmaps_output,
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"%s orte:rmaps:base:select: querying component %s",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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component->rmaps_version.mca_component_name));
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/* Call the component's init function and see if it wants to be
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selected */
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module = component->rmaps_init(&priority);
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/* If we got a non-NULL module back, then the component wants
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to be considered for selection */
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if (NULL != module) {
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OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base.rmaps_output,
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"%s orte:rmaps:base:select: component %s returns priority %d",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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component->rmaps_version.mca_component_name,
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priority));
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/* If this is the best one, save it */
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if (priority > best_priority) {
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/* Save the new best one */
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best_module = module;
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best_component = component;
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/* update the best priority */
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best_priority = priority;
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} else {
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OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base.rmaps_output,
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"%s orte:rmaps:base:select: component %s does did not win the election",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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component->rmaps_version.mca_component_name));
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}
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} else {
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OPAL_OUTPUT_VERBOSE((5, orte_rmaps_base.rmaps_output,
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"%s orte:rmaps:base:select: component %s does NOT want to be considered for selection",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
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component->rmaps_version.mca_component_name));
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}
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}
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/* If we didn't find one to select, that is fatal */
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if (NULL == best_component) {
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return ORTE_ERROR;
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}
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/* We have happiness */
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orte_rmaps_base.active_module = best_module;
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/* all done */
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return ORTE_SUCCESS;
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}
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