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openmpi/ompi/mca/bml/base/bml_base_init.c
2016-11-22 15:03:20 -08:00

97 строки
3.4 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2006 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2007 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2006 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2016 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/mca/bml/base/base.h"
#include "opal/mca/base/base.h"
#include "ompi/mca/mca.h"
#include "opal/runtime/opal.h"
mca_bml_base_module_t mca_bml = {
NULL, /* bml_component */
NULL, /* bml_add_procs */
NULL, /* bml_del_procs */
NULL, /* bml_add_btl */
NULL, /* bml_del_btl */
NULL, /* bml_del_proc_btl */
NULL, /* bml_register */
NULL, /* bml_register_error */
NULL, /* bml_finalize*/
NULL /* FT event */
};
mca_bml_base_component_t mca_bml_component = {{0}};
static bool init_called = false;
bool
mca_bml_base_inited(void)
{
return init_called;
}
int mca_bml_base_init( bool enable_progress_threads,
bool enable_mpi_threads) {
mca_bml_base_component_t *component = NULL, *best_component = NULL;
mca_bml_base_module_t *module = NULL, *best_module = NULL;
int priority = 0, best_priority = -1;
mca_base_component_list_item_t *cli = NULL;
if (init_called) {
return OPAL_SUCCESS;
}
init_called = true;
OPAL_LIST_FOREACH(cli, &ompi_bml_base_framework.framework_components, mca_base_component_list_item_t) {
component = (mca_bml_base_component_t*) cli->cli_component;
if(NULL == component->bml_init) {
opal_output_verbose( 10, ompi_bml_base_framework.framework_output,
"select: no init function; ignoring component %s",
component->bml_version.mca_component_name );
continue;
}
module = component->bml_init(&priority,
enable_progress_threads,
enable_mpi_threads);
if(NULL == module) {
continue;
}
if(priority > best_priority) {
best_priority = priority;
best_component = component;
best_module = module;
}
}
if(NULL == best_module) {
return OMPI_SUCCESS;
}
mca_bml_component = *best_component;
mca_bml = *best_module;
return mca_base_framework_components_close(&ompi_bml_base_framework,
(mca_base_component_t*) best_component);
}