102 строки
2.9 KiB
C
102 строки
2.9 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 "orte_config.h"
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#include <string.h>
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#include "include/orte_constants.h"
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#include "util/output.h"
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#include "mca/mca.h"
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#include "mca/base/base.h"
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#include "mca/rmaps/base/base.h"
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/*
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* Local functions
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*/
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static orte_rmaps_base_module_t *select_preferred(char *name);
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static orte_rmaps_base_module_t *select_any(void);
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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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orte_rmaps_base_module_t* orte_rmaps_base_select(char *preferred)
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{
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if (NULL != preferred) {
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return select_preferred(preferred);
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} else {
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return select_any();
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}
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}
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static orte_rmaps_base_module_t *select_preferred(char *name)
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{
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ompi_list_item_t *item;
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orte_rmaps_base_cmp_t *cmp;
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/* Look for a matching selected name */
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ompi_output(orte_rmaps_base.rmaps_output,
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"orte:base:select: looking for component %s", name);
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for (item = ompi_list_get_first(&orte_rmaps_base.rmaps_available);
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item != ompi_list_get_end(&orte_rmaps_base.rmaps_available);
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item = ompi_list_get_next(item)) {
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cmp = (orte_rmaps_base_cmp_t *) item;
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if (0 == strcmp(name,
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cmp->component->rmaps_version.mca_component_name)) {
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ompi_output(orte_rmaps_base.rmaps_output,
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"orte:base:select: found module for compoent %s", name);
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return cmp->module;
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}
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}
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/* Didn't find a matching name */
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ompi_output(orte_rmaps_base.rmaps_output,
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"orte:base:select: did not find module for compoent %s", name);
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return NULL;
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}
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static orte_rmaps_base_module_t *select_any(void)
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{
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ompi_list_item_t *item;
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orte_rmaps_base_cmp_t *cmp;
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/* If the list is empty, return NULL */
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if (ompi_list_is_empty(&orte_rmaps_base.rmaps_available) > 0) {
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ompi_output(orte_rmaps_base.rmaps_output,
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"orte:base:select: no components available!");
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return NULL;
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}
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/* Otherwise, return the first item (it's already sorted in
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priority order) */
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item = ompi_list_get_first(&orte_rmaps_base.rmaps_available);
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cmp = (orte_rmaps_base_cmp_t *) item;
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ompi_output(orte_rmaps_base.rmaps_output,
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"orte:base:select: highest priority component: %s",
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cmp->component->rmaps_version.mca_component_name);
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return cmp->module;
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}
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