ffd5be6aa1
Note that each of these components will only be selected if specifically requested - otherwise, a "NULL" component will be used. The framework is only opened by the HNP and orteds, though neither is currently coded to save/restore state This commit was SVN r22839.
102 строки
2.6 KiB
C
102 строки
2.6 KiB
C
/*
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* Copyright (c) 2010 Cisco Systems, Inc. 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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* These symbols are in a file by themselves to provide nice linker
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* semantics. Since linkers generally pull in symbols by object
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* files, keeping these symbols as the only symbols in this file
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* prevents utility programs such as "ompi_info" from having to import
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* entire components just to query their version and parameters.
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*/
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#include "orte_config.h"
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#include "orte/constants.h"
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#include "opal/mca/base/base.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "orte/util/proc_info.h"
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#include "orte/mca/state/state.h"
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#include "orte/mca/state/base/base.h"
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#include "state_db.h"
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extern orte_state_base_module_t orte_state_db_module;
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char *orte_state_db_filename;
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/*
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* Instantiate the public struct with all of our public information
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* and pointers to our public functions in it
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*/
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orte_state_base_component_t mca_state_db_component = {
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{
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ORTE_STATE_BASE_VERSION_1_0_0,
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/* Component name and version */
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"db",
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ORTE_MAJOR_VERSION,
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ORTE_MINOR_VERSION,
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ORTE_RELEASE_VERSION,
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/* Component open and close functions */
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orte_state_db_component_open,
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orte_state_db_component_close,
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orte_state_db_component_query
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},
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{
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/* The component is checkpoint ready */
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MCA_BASE_METADATA_PARAM_CHECKPOINT
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}
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};
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int
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orte_state_db_component_open(void)
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{
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return ORTE_SUCCESS;
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}
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int orte_state_db_component_query(mca_base_module_t **module, int *priority)
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{
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/* we are the file module - we need to be selected
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* IFF we are requested
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*/
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bool is_required = false;
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mca_base_component_t *c = &mca_state_db_component.base_version;
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/* retrieve the name of the file to be used */
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mca_base_param_reg_string(c, "dir",
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"Name of directory to be used for storing and recovering state information",
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false, false, NULL, &orte_state_db_directory);
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mca_base_is_component_required(&orte_state_base_components_available,
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&mca_state_db_component.base_version,
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true,
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&is_required);
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if( is_required || NULL != orte_state_db_directory) {
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*priority = 1000;
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*module = (mca_base_module_t*)&orte_state_db_module;
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return ORTE_SUCCESS;
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}
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*priority = 0;
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*module = NULL;
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return ORTE_ERROR;
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}
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int
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orte_state_db_component_close(void)
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{
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return ORTE_SUCCESS;
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}
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