40a2bfa238
This merges the branch containing the revamped build system based around converting autogen from a bash script to a Perl program. Jeff has provided emails explaining the features contained in the change. Please note that configure requirements on components HAVE CHANGED. For example. a configure.params file is no longer required in each component directory. See Jeff's emails for an explanation. This commit was SVN r23764.
155 строки
5.3 KiB
C
155 строки
5.3 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) 2004-2006 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 "ompi_config.h"
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#include "opal/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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int ompi_mtl_base_output = 0;
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opal_list_t ompi_mtl_base_components_opened;
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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;
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/*
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* Function for finding and opening either all MCA components, or the one
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* that was specifically requested via a MCA parameter.
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*/
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int
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ompi_mtl_base_open(void)
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{
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/* setup the output stream */
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ompi_mtl_base_output = opal_output_open(NULL);
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/* Open up all available components */
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if (OMPI_SUCCESS !=
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mca_base_components_open("mtl", ompi_mtl_base_output,
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mca_mtl_base_static_components,
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&ompi_mtl_base_components_opened,
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!MCA_ompi_mtl_DIRECT_CALL)) {
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return OMPI_ERROR;
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}
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/* Set a sentinel in case we don't select any components (e.g.,
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ompi_info) */
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ompi_mtl = NULL;
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return OMPI_SUCCESS;
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}
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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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{
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opal_list_item_t *item = NULL;
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mca_base_component_list_item_t *cli = NULL;
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mca_mtl_base_component_t *component = NULL;
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mca_mtl_base_module_t *module = NULL;
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/* Traverse the list of available components; call their init
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functions. */
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for (item = opal_list_get_first(&ompi_mtl_base_components_opened);
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opal_list_get_end(&ompi_mtl_base_components_opened) != 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 = (mca_mtl_base_component_t *) cli->cli_component;
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if (NULL == component->mtl_init) {
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opal_output_verbose( 10, ompi_mtl_base_output,
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"select: no init function; ignoring component %s",
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component->mtl_version.mca_component_name );
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continue;
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}
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opal_output_verbose( 10, ompi_mtl_base_output,
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"select: initializing %s component %s",
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component->mtl_version.mca_type_name,
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component->mtl_version.mca_component_name );
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module = component->mtl_init(enable_progress_threads,
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enable_mpi_threads);
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if (NULL == module) {
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opal_output_verbose( 10, ompi_mtl_base_output,
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"select: init returned failure for component %s",
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component->mtl_version.mca_component_name );
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continue;
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}
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opal_output_verbose( 10, ompi_mtl_base_output,
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"select: init returned success");
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ompi_mtl_base_selected_component = component;
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ompi_mtl = module;
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}
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/* This base function closes, unloads, and removes from the
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available list all unselected components. The available list will
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contain only the selected component. */
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mca_base_components_close(ompi_mtl_base_output,
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&ompi_mtl_base_components_opened,
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(mca_base_component_t *) ompi_mtl_base_selected_component);
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/* All done */
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if (NULL == module) {
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opal_output_verbose( 10, ompi_mtl_base_output,
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"select: no component selected");
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return OMPI_ERR_NOT_FOUND;
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} else {
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opal_output_verbose( 10, ompi_mtl_base_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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return OMPI_SUCCESS;
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}
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}
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int
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ompi_mtl_base_close(void)
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{
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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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mca_base_components_close(ompi_mtl_base_output,
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&ompi_mtl_base_components_opened, NULL);
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/* All done */
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return OMPI_SUCCESS;
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}
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