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

135 строки
4.2 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/name_fns.h"
#include "orte/runtime/orte_globals.h"
#include "orte/mca/plm/plm.h"
#include "orte/mca/plm/base/plm_private.h"
#include "plm_slurm.h"
/*
* Public string showing the plm ompi_slurm component version number
*/
const char *mca_plm_slurm_component_version_string =
"Open MPI slurm plm MCA component version " ORTE_VERSION;
/*
* Local functions
*/
static int plm_slurm_register(void);
static int plm_slurm_open(void);
static int plm_slurm_close(void);
static int orte_plm_slurm_component_query(mca_base_module_t **module, int *priority);
/*
* Instantiate the public struct with all of our public information
* and pointers to our public functions in it
*/
orte_plm_slurm_component_t mca_plm_slurm_component = {
{
/* First, the mca_component_t struct containing meta
information about the component itself */
.base_version = {
ORTE_PLM_BASE_VERSION_2_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 = plm_slurm_open,
.mca_close_component = plm_slurm_close,
.mca_query_component = orte_plm_slurm_component_query,
.mca_register_component_params = plm_slurm_register,
},
.base_data = {
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
}
/* Other orte_plm_slurm_component_t items -- left uninitialized
here; will be initialized in plm_slurm_open() */
};
static int plm_slurm_register(void)
{
mca_base_component_t *comp = &mca_plm_slurm_component.super.base_version;
mca_plm_slurm_component.custom_args = NULL;
(void) mca_base_component_var_register (comp, "args", "Custom arguments to srun",
MCA_BASE_VAR_TYPE_STRING, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&mca_plm_slurm_component.custom_args);
return ORTE_SUCCESS;
}
static int plm_slurm_open(void)
{
return ORTE_SUCCESS;
}
static int orte_plm_slurm_component_query(mca_base_module_t **module, int *priority)
{
/* Are we running under a SLURM job? */
if (NULL != getenv("SLURM_JOBID")) {
*priority = 75;
OPAL_OUTPUT_VERBOSE((1, orte_plm_base_framework.framework_output,
"%s plm:slurm: available for selection",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
*module = (mca_base_module_t *)&orte_plm_slurm_module;
return ORTE_SUCCESS;
}
/* Sadly, no */
*module = NULL;
return ORTE_ERROR;
}
static int plm_slurm_close(void)
{
return ORTE_SUCCESS;
}