106 строки
3.2 KiB
C
106 строки
3.2 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2014 Intel, Inc. All rights reserved.
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* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2016 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 "opal_config.h"
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#include "opal/constants.h"
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#include "opal/mca/pmix/pmix.h"
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#include "pmix_s1.h"
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/*
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* Public string showing the pmix s1 component version number
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*/
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const char *opal_pmix_s1_component_version_string =
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"OPAL s1 pmix MCA component version " OPAL_VERSION;
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/*
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* Local function
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*/
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static int pmix_s1_component_query(mca_base_module_t **module, int *priority);
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static int pmix_s1_component_register(void);
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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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opal_pmix_base_component_t mca_pmix_s1_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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.base_version = {
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/* Indicate that we are a pmix v1.1.0 component (which also
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implies a specific MCA version) */
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OPAL_PMIX_BASE_VERSION_2_0_0,
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/* Component name and version */
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.mca_component_name = "s1",
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MCA_BASE_MAKE_VERSION(component, OPAL_MAJOR_VERSION, OPAL_MINOR_VERSION,
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OPAL_RELEASE_VERSION),
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/* Component open and close functions */
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.mca_query_component = pmix_s1_component_query,
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.mca_register_component_params = pmix_s1_component_register,
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},
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/* Next the MCA v1.0.0 component meta data */
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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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.priority = 10,
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};
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static int pmix_s1_component_register(void)
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{
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int ret;
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mca_base_component_t *component = &mca_pmix_s1_component.base_version;
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mca_pmix_s1_component.priority = 10;
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ret = mca_base_component_var_register(component, "priority",
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"Priority of the pmix s1 component (default: 10)",
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MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
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OPAL_INFO_LVL_9, MCA_BASE_VAR_SCOPE_READONLY,
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&mca_pmix_s1_component.priority);
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if (0 > ret) {
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return ret;
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}
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return OPAL_SUCCESS;
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}
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static int pmix_s1_component_query(mca_base_module_t **module, int *priority)
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{
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/* disqualify ourselves if we are not under slurm */
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if (NULL == getenv("SLURM_STEP_NUM_TASKS")) {
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*priority = 0;
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*module = NULL;
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return OPAL_ERROR;
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}
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/* we can be considered, but set our priority by default
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* to be less than s2 */
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*priority = mca_pmix_s1_component.priority;
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*module = (mca_base_module_t *)&opal_pmix_s1_module;
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return OPAL_SUCCESS;
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}
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