89 строки
2.3 KiB
C
89 строки
2.3 KiB
C
/*
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* Copyright (c) 2011 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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#include "ompi_config.h"
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#include "ompi/constants.h"
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#include <pmi.h>
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#include "orte/util/proc_info.h"
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#include "pubsub_pmi.h"
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static int pubsub_pmi_component_open(void);
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static int pubsub_pmi_component_close(void);
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static int pubsub_pmi_component_query(mca_base_module_t **module, int *priority);
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ompi_pubsub_base_component_t mca_pubsub_pmi_component = {
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{
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OMPI_PUBSUB_BASE_VERSION_2_0_0,
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"pmi", /* MCA component name */
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OMPI_MAJOR_VERSION, /* MCA component major version */
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OMPI_MINOR_VERSION, /* MCA component minor version */
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OMPI_RELEASE_VERSION, /* MCA component release version */
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pubsub_pmi_component_open, /* component open */
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pubsub_pmi_component_close, /* component close */
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pubsub_pmi_component_query /* component query */
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},
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{
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/* This 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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static int pubsub_pmi_component_open(void)
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{
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return OMPI_SUCCESS;
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}
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static int pubsub_pmi_component_close(void)
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{
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PMI_BOOL initialized;
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/* if we weren't selected, cleanup if necessary */
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if (PMI_SUCCESS == PMI_Initialized(&initialized) &&
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PMI_TRUE == initialized) {
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PMI_Finalize();
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}
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return OMPI_SUCCESS;
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}
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static int pubsub_pmi_component_query(mca_base_module_t **module, int *priority)
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{
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int spawned;
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PMI_BOOL initialized;
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/* for now, only use PMI when direct launched */
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if (NULL == orte_process_info.my_hnp_uri &&
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PMI_SUCCESS == PMI_Initialized(&initialized)) {
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/* if we aren't already initialized, then try */
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if (PMI_TRUE != initialized) {
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/* if we can't startup the PMI, we can't be used */
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if (PMI_SUCCESS != PMI_Init(&spawned)) {
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*priority = -1;
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*module = NULL;
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return ORTE_ERROR;
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}
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}
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/* if we were able to startup PMI, or it was already
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* running, then use us
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*/
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*priority = 100;
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*module = (mca_base_module_t *)&ompi_pubsub_pmi_module;
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return ORTE_SUCCESS;
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}
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/* we can't run */
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*priority = -1;
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*module = NULL;
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return ORTE_ERROR;
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}
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