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openmpi/orte/mca/plm/slurmd/plm_slurmd_component.c
Rainer Keller a94438343b - Revert r20740
This commit was SVN r20741.

The following SVN revision numbers were found above:
  r20740 --> open-mpi/ompi@2a70618a77
2009-03-05 21:50:47 +00:00

130 строки
3.7 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 "opal/mca/base/mca_base_param.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_slurmd.h"
/*
* Public string showing the plm ompi_slurmd component version number
*/
const char *mca_plm_slurmd_component_version_string =
"Open MPI slurmd plm MCA component version " ORTE_VERSION;
/*
* Local functions
*/
static int plm_slurmd_open(void);
static int plm_slurmd_close(void);
static int orte_plm_slurmd_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_slurmd_component_t mca_plm_slurmd_component = {
{
/* First, the mca_component_t struct containing meta
information about the component itself */
{
ORTE_PLM_BASE_VERSION_2_0_0,
/* Component name and version */
"slurmd",
ORTE_MAJOR_VERSION,
ORTE_MINOR_VERSION,
ORTE_RELEASE_VERSION,
/* Component open and close functions */
plm_slurmd_open,
plm_slurmd_close,
orte_plm_slurmd_component_query
},
{
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
}
}
/* Other orte_plm_slurmd_component_t items -- left uninitialized
here; will be initialized in plm_slurmd_open() */
};
static int plm_slurmd_open(void)
{
mca_base_component_t *comp = &mca_plm_slurmd_component.super.base_version;
mca_base_param_reg_string(comp, "args",
"Custom arguments to srun",
false, false, NULL,
&mca_plm_slurmd_component.custom_args);
return ORTE_SUCCESS;
}
static int orte_plm_slurmd_component_query(mca_base_module_t **module, int *priority)
{
/* Are we running under a SLURM job? */
if (NULL != getenv("SLURM_JOBID")) {
*priority = 2;
OPAL_OUTPUT_VERBOSE((1, orte_plm_globals.output,
"%s plm:slurmd: available for selection",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME)));
*module = (mca_base_module_t *)&orte_plm_slurmd_module;
return ORTE_SUCCESS;
}
/* Sadly, no */
*module = NULL;
return ORTE_ERROR;
}
static int plm_slurmd_close(void)
{
if (NULL != mca_plm_slurmd_component.custom_args) {
free(mca_plm_slurmd_component.custom_args);
}
return ORTE_SUCCESS;
}