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/*
* Copyright (c) 2004-2008 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2013 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "orte_config.h"
#include "opal/mca/mca.h"
#include "opal/mca/base/base.h"
#include "orte/mca/notifier/base/base.h"
/**
* Function for selecting one component from all those that are
* available.
*/
int orte_notifier_base_select(void)
{
int ret, exit_status = ORTE_SUCCESS;
orte_notifier_base_component_t *best_component = NULL;
orte_notifier_base_module_t *best_module = NULL;
char *include_list = NULL;
/*
* Register the framework MCA param and look up include list
*/
mca_base_param_reg_string_name("notifier", NULL,
"Which notifier component to use (empty = none)",
false, false,
NULL, &include_list);
/* If we do not have any components to select this is ok. Just use the default
* "no-op" component and move on.
*/
if( 0 >= opal_list_get_size(&mca_notifier_base_components_available) || NULL == include_list) {
/* Close all components since none will be used */
mca_base_components_close(orte_notifier_base_output,
&mca_notifier_base_components_available,
NULL, false);
goto cleanup;
}
/*
* Select the best component
*/
if( OPAL_SUCCESS != mca_base_select("notifier", orte_notifier_base_output,
&mca_notifier_base_components_available,
(mca_base_module_t **) &best_module,
(mca_base_component_t **) &best_component) ) {
/* It is okay if no component was selected - we just leave
* the orte_notifier module as the default
*/
exit_status = ORTE_SUCCESS;
goto cleanup;
}
if (NULL != orte_notifier.init) {
/* if an init function is provided, use it */
if (ORTE_SUCCESS != (ret = orte_notifier.init()) ) {
exit_status = ret;
goto cleanup;
}
}
/* Save the winner */
orte_notifier = *best_module;
cleanup:
return exit_status;
}
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