1
1
openmpi/orte/mca/ess/slurmd/ess_slurmd_component.c

99 строки
2.7 KiB
C

/*
* 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.
* $COPYRIGHT$
*
* 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/slurmd/ess_slurmd.h"
extern orte_ess_base_module_t orte_ess_slurmd_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_slurmd_component = {
{
ORTE_ESS_BASE_VERSION_2_0_0,
/* Component name and version */
"slurmd",
ORTE_MAJOR_VERSION,
ORTE_MINOR_VERSION,
ORTE_RELEASE_VERSION,
/* Component open and close functions */
orte_ess_slurmd_component_open,
orte_ess_slurmd_component_close,
orte_ess_slurmd_component_query
},
{
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
}
};
int
orte_ess_slurmd_component_open(void)
{
return ORTE_SUCCESS;
}
int orte_ess_slurmd_component_query(mca_base_module_t **module, int *priority)
{
/* Are we an MPI proc running under a SLURM job? Were
* we given a path back to the HNP? If the
* answer to the first is "yes" and the second
* is "no", then we were not launched
* by mpirun but are in a slurm world
*/
if (ORTE_PROC_IS_MPI &&
NULL != getenv("SLURM_JOBID") &&
NULL != getenv("SLURM_STEPID") &&
NULL == orte_process_info.my_hnp_uri) {
*priority = 30;
*module = (mca_base_module_t *)&orte_ess_slurmd_module;
return ORTE_SUCCESS;
}
/* Sadly, no */
*priority = -1;
*module = NULL;
return ORTE_ERROR;
}
int
orte_ess_slurmd_component_close(void)
{
return ORTE_SUCCESS;
}