119 строки
4.3 KiB
C
119 строки
4.3 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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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) 2004-2006 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
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* 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 "ompi_config.h"
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#include "ompi/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 "ompi/constants.h"
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#include "ompi/mca/mtl/mtl.h"
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#include "ompi/mca/mtl/base/base.h"
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/*
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* The following file was created by configure. It contains extern
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* statements and the definition of an array of pointers to each
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* component's public mca_base_component_t struct.
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*/
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#include "ompi/mca/mtl/base/static-components.h"
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mca_mtl_base_component_t *ompi_mtl_base_selected_component = NULL;
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mca_mtl_base_module_t *ompi_mtl = NULL;
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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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* For now, we take the first component that says it can run. Might
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* need to reexamine this at a later time.
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*/
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int
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ompi_mtl_base_select (bool enable_progress_threads,
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bool enable_mpi_threads,
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int *priority)
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{
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int ret = OMPI_ERR_NOT_FOUND;
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mca_mtl_base_component_t *best_component = NULL;
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mca_mtl_base_module_t *best_module = NULL;
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int best_priority;
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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("mtl", ompi_mtl_base_framework.framework_output,
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&ompi_mtl_base_framework.framework_components,
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(mca_base_module_t **) &best_module,
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(mca_base_component_t **) &best_component,
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&best_priority) ) {
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/* notify caller that no available component found */
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return ret;
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}
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opal_output_verbose( 10, ompi_mtl_base_framework.framework_output,
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"select: initializing %s component %s",
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best_component->mtl_version.mca_type_name,
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best_component->mtl_version.mca_component_name );
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if (NULL == best_component->mtl_init(enable_progress_threads,
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enable_mpi_threads)) {
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opal_output_verbose( 10, ompi_mtl_base_framework.framework_output,
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"select: init returned failure for component %s",
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best_component->mtl_version.mca_component_name );
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} else {
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opal_output_verbose( 10, ompi_mtl_base_framework.framework_output,
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"select: init returned success");
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ompi_mtl_base_selected_component = best_component;
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ompi_mtl = best_module;
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*priority = best_priority;
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ret = OMPI_SUCCESS;
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}
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/* All done */
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if (NULL == ompi_mtl) {
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opal_output_verbose( 10, ompi_mtl_base_framework.framework_output,
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"select: no component selected");
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} else {
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opal_output_verbose( 10, ompi_mtl_base_framework.framework_output,
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"select: component %s selected",
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ompi_mtl_base_selected_component->
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mtl_version.mca_component_name );
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}
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return ret;
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}
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static int
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ompi_mtl_base_close(void)
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{
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/* NTH: Should we be freeing the mtl module here? */
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ompi_mtl = NULL;
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/* Close all remaining available modules (may be one if this is a
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OMPI RTE program, or [possibly] multiple if this is ompi_info) */
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return mca_base_framework_components_close(&ompi_mtl_base_framework, NULL);
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}
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MCA_BASE_FRAMEWORK_DECLARE(ompi, mtl, NULL, NULL, NULL, ompi_mtl_base_close,
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mca_mtl_base_static_components, 0);
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