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openmpi/orte/mca/ess/slurm/ess_slurm_component.c
2015-06-23 20:59:57 -07:00

99 строки
3.0 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2008 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*
* These symbols are in a file by themselves to provide nice linker
* semantics. Since linkers generally pull in symbols by object
* files, keeping these symbols as the only symbols in this file
* prevents utility programs such as "ompi_info" from having to import
* entire components just to query their version and parameters.
*/
#include "orte_config.h"
#include "orte/constants.h"
#include "orte/util/proc_info.h"
#include "orte/mca/ess/ess.h"
#include "orte/mca/ess/slurm/ess_slurm.h"
extern orte_ess_base_module_t orte_ess_slurm_module;
/*
* Instantiate the public struct with all of our public information
* and pointers to our public functions in it
*/
orte_ess_base_component_t mca_ess_slurm_component = {
.base_version = {
ORTE_ESS_BASE_VERSION_3_0_0,
/* Component name and version */
.mca_component_name = "slurm",
MCA_BASE_MAKE_VERSION(component, ORTE_MAJOR_VERSION, ORTE_MINOR_VERSION,
ORTE_RELEASE_VERSION),
/* Component open and close functions */
.mca_open_component = orte_ess_slurm_component_open,
.mca_close_component = orte_ess_slurm_component_close,
.mca_query_component = orte_ess_slurm_component_query,
},
.base_data = {
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
};
int
orte_ess_slurm_component_open(void)
{
return ORTE_SUCCESS;
}
int orte_ess_slurm_component_query(mca_base_module_t **module, int *priority)
{
/* Are we running under a SLURM job? Were
* we given a path back to the HNP? If the
* answer to both is "yes", then we were launched
* by mpirun in a slurm world, so make ourselves available
*/
if (ORTE_PROC_IS_DAEMON &&
NULL != getenv("SLURM_JOBID") &&
NULL != orte_process_info.my_hnp_uri) {
*priority = 50;
*module = (mca_base_module_t *)&orte_ess_slurm_module;
return ORTE_SUCCESS;
}
/* Sadly, no */
*priority = -1;
*module = NULL;
return ORTE_ERROR;
}
int
orte_ess_slurm_component_close(void)
{
return ORTE_SUCCESS;
}