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/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2011 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) 2008-2011 University of Houston. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include <stdlib.h>
#include "mpi.h"
#include "ompi/constants.h"
#include "opal/class/opal_list.h"
#include "opal/util/output.h"
#include "ompi/mca/mca.h"
#include "opal/mca/base/base.h"
#include "opal/mca/base/mca_base_component_repository.h"
#include "ompi/mca/sharedfp/sharedfp.h"
#include "ompi/mca/sharedfp/base/base.h"
static int init_query(const mca_base_component_t *m,
mca_base_component_list_item_t *entry,
bool enable_progress_threads,
bool enable_mpi_threads);
static int init_query_2_0_0(const mca_base_component_t *component,
mca_base_component_list_item_t *entry,
bool enable_progress_threads,
bool enable_mpi_threads);
int mca_sharedfp_base_find_available(bool enable_progress_threads,
bool enable_mpi_threads)
{
opal_list_item_t *item, *next;
mca_base_component_list_item_t *cli;
/* The list of components which we should check is already present
in ompi_sharedfp_base_framework.framework_components, which was established in
mca_sharedfp_base_open */
item = opal_list_get_first(&ompi_sharedfp_base_framework.framework_components);
while (item != opal_list_get_end(&ompi_sharedfp_base_framework.framework_components)) {
next = opal_list_get_next(item);
cli = (mca_base_component_list_item_t*)item;
/* Now for this entry, we have to determine the thread level. Call
a subroutine to do the job for us */
if (OMPI_SUCCESS != init_query(cli->cli_component, cli,
enable_progress_threads,
enable_mpi_threads)) {
/* The component does not want to run, so close it. Its close()
has already been invoked. Close it out of the DSO repository
(if it is there in the repository) */
mca_base_component_repository_release(cli->cli_component);
OBJ_RELEASE(item);
}
item = next;
}
/* There should at least be one sharedfp component which was available */
if (0 == opal_list_get_size(&ompi_sharedfp_base_framework.framework_components)) {
opal_output_verbose (10, ompi_sharedfp_base_framework.framework_output,
"sharedfp:find_available: no sharedfp components available!");
return OMPI_ERROR;
}
/* All done */
return OMPI_SUCCESS;
}
static int init_query(const mca_base_component_t *m,
mca_base_component_list_item_t *entry,
bool enable_progress_threads,
bool enable_mpi_threads)
{
int ret;
opal_output_verbose(10, ompi_sharedfp_base_framework.framework_output,
"sharedfp:find_available: querying sharedfp component %s",
m->mca_component_name);
/* This component has been successfully opened, now try to query it */
if (2 == m->mca_type_major_version &&
0 == m->mca_type_minor_version &&
0 == m->mca_type_release_version) {
ret = init_query_2_0_0(m, entry, enable_progress_threads,
enable_mpi_threads);
} else {
/* unrecognised API version */
opal_output_verbose(10, ompi_sharedfp_base_framework.framework_output,
"sharedfp:find_available:unrecognised sharedfp API version (%d.%d.%d)",
m->mca_type_major_version,
m->mca_type_minor_version,
m->mca_type_release_version);
return OMPI_ERROR;
}
/* Query done -- look at return value to see what happened */
if (OMPI_SUCCESS != ret) {
opal_output_verbose(10, ompi_sharedfp_base_framework.framework_output,
"sharedfp:find_available sharedfp component %s is not available",
m->mca_component_name);
if (NULL != m->mca_close_component) {
m->mca_close_component();
}
} else {
opal_output_verbose(10, ompi_sharedfp_base_framework.framework_output,
"sharedfp:find_avalable: sharedfp component %s is available",
m->mca_component_name);
}
/* All done */
return ret;
}
static int init_query_2_0_0(const mca_base_component_t *component,
mca_base_component_list_item_t *entry,
bool enable_progress_threads,
bool enable_mpi_threads)
{
mca_sharedfp_base_component_2_0_0_t *sharedfp =
(mca_sharedfp_base_component_2_0_0_t *) component;
return sharedfp->sharedfpm_init_query(enable_progress_threads,
enable_mpi_threads);
}
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