ec0ed48718
This commit was SVN r20742. The following SVN revision numbers were found above: r20739 --> open-mpi/ompi@781caee0b6
112 строки
3.3 KiB
C
112 строки
3.3 KiB
C
/*
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* Copyright (c) 2004-2008 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) 2004-2005 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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* 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/mca_base_param.h"
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#include "orte/util/proc_info.h"
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#include "orte/mca/ess/ess.h"
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#include "orte/mca/ess/singleton/ess_singleton.h"
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extern orte_ess_base_module_t orte_ess_singleton_module;
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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_ess_base_component_t mca_ess_singleton_component = {
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/* First, the mca_component_t struct containing meta information
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about the component itself */
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{
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ORTE_ESS_BASE_VERSION_2_0_0,
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/* Component name and version */
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"singleton",
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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_ess_singleton_component_open,
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orte_ess_singleton_component_close,
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orte_ess_singleton_component_query
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},
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{
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/* The component is not checkpoint ready */
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MCA_BASE_METADATA_PARAM_NONE
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}
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};
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int
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orte_ess_singleton_component_open(void)
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{
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return ORTE_SUCCESS;
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}
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int orte_ess_singleton_component_query(mca_base_module_t **module, int *priority)
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{
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/* if we are an HNP, daemon, or tool, then we
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* are definitely not a singleton!
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*/
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if (orte_process_info.hnp ||
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orte_process_info.daemon ||
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orte_process_info.tool) {
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*module = NULL;
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return ORTE_ERROR;
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}
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/* okay, we still could be a singleton or
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* an application process. If we have been
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* given an HNP URI, then we are definitely
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* not a singleton
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*/
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if (NULL != orte_process_info.my_hnp_uri) {
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*module = NULL;
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return ORTE_ERROR;
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}
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/* okay, we could still be an application process,
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* but launched in "standalone" mode - i.e., directly
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* launched by an environment instead of via mpirun.
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* We need to set our priority low so that any enviro
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* component will override us. If they don't, then we
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* want to be selected as we must be a singleton
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*/
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*priority = 25;
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*module = (mca_base_module_t *)&orte_ess_singleton_module;
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return ORTE_SUCCESS;
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}
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int
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orte_ess_singleton_component_close(void)
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{
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return ORTE_SUCCESS;
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}
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