93 строки
2.4 KiB
C
93 строки
2.4 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) 2011-2012 Los Alamos National Security, LLC. All
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* 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 "orte_config.h"
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#include "orte/constants.h"
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#include <pmi.h>
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#if WANT_CRAY_PMI2_EXT
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#include <pmi2.h>
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#endif
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#include "opal/mca/mca.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/common/pmi/common_pmi.h"
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#include "grpcomm_pmi.h"
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static int my_priority=5; /* must be below "bad" module */
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/*
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* Struct of function pointers that need to be initialized
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*/
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orte_grpcomm_base_component_t mca_grpcomm_pmi_component = {
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{
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ORTE_GRPCOMM_BASE_VERSION_2_0_0,
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"pmi", /* MCA module name */
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ORTE_MAJOR_VERSION, /* MCA module major version */
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ORTE_MINOR_VERSION, /* MCA module minor version */
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ORTE_RELEASE_VERSION, /* MCA module release version */
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orte_grpcomm_pmi_open, /* module open */
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orte_grpcomm_pmi_close, /* module close */
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orte_grpcomm_pmi_component_query /* module 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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/* Open the component */
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int orte_grpcomm_pmi_open(void)
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{
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mca_base_component_t *c = &mca_grpcomm_pmi_component.base_version;
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/* make the priority adjustable so users can select
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* pmi for use by apps without affecting daemons
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*/
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mca_base_param_reg_int(c, "priority",
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"Priority of the grpcomm pmi component",
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false, false, my_priority,
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&my_priority);
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return ORTE_SUCCESS;
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}
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int orte_grpcomm_pmi_close(void)
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{
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mca_common_pmi_finalize ();
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return ORTE_SUCCESS;
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}
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int orte_grpcomm_pmi_component_query(mca_base_module_t **module, int *priority)
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{
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/* only use PMI when direct launched */
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if (NULL == orte_process_info.my_hnp_uri &&
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ORTE_PROC_IS_MPI &&
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mca_common_pmi_init ()) {
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/* if PMI is available, make it available for use by MPI procs */
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*priority = my_priority;
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*module = (mca_base_module_t *)&orte_grpcomm_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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