113 строки
3.3 KiB
C
113 строки
3.3 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2011 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2011-2015 Los Alamos National Security, LLC. All
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* rights reserved.
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* Copyright (c) 2014 Intel, 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/runtime/opal_params.h"
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#include "opal/mca/pmix/pmix.h"
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#include "opal/mca/pmix/base/base.h"
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#include "orte/util/proc_info.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/mca/ess/ess.h"
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#include "orte/mca/ess/pmi/ess_pmi.h"
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extern orte_ess_base_module_t orte_ess_pmi_module;
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static int pmi_component_open(void);
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static int pmi_component_close(void);
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static int pmi_component_query(mca_base_module_t **module, int *priority);
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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_pmi_component = {
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.base_version = {
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ORTE_ESS_BASE_VERSION_3_0_0,
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/* Component name and version */
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.mca_component_name = "pmi",
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MCA_BASE_MAKE_VERSION(component, ORTE_MAJOR_VERSION, ORTE_MINOR_VERSION,
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ORTE_RELEASE_VERSION),
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/* Component open and close functions */
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.mca_open_component = pmi_component_open,
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.mca_close_component = pmi_component_close,
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.mca_query_component = pmi_component_query,
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},
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.base_data = {
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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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static int pmi_component_open(void)
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{
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return ORTE_SUCCESS;
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}
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static int pmi_component_query(mca_base_module_t **module, int *priority)
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{
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int ret;
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/* all APPS must use pmix */
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if (ORTE_PROC_IS_APP) {
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if (NULL == opal_pmix.initialized) {
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/* open and setup pmix */
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if (OPAL_SUCCESS != (ret = mca_base_framework_open(&opal_pmix_base_framework, 0))) {
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ORTE_ERROR_LOG(ret);
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*priority = -1;
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*module = NULL;
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return ret;
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}
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if (OPAL_SUCCESS != (ret = opal_pmix_base_select())) {
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/* don't error log this as it might not be an error at all */
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*priority = -1;
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*module = NULL;
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(void) mca_base_framework_close(&opal_pmix_base_framework);
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return ret;
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}
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}
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if (!opal_pmix.initialized() && (OPAL_SUCCESS != (ret = opal_pmix.init()))) {
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/* we cannot be in a PMI environment */
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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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*priority = 35;
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*module = (mca_base_module_t *)&orte_ess_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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static int pmi_component_close(void)
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{
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return ORTE_SUCCESS;
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}
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