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openmpi/orte/mca/ras/tm/ras_tm_component.c
Ralph Castain d70e2e8c2b Merge the ORTE devel branch into the main trunk. Details of what this means will be circulated separately.
Remains to be tested to ensure everything came over cleanly, so please continue to withhold commits a little longer

This commit was SVN r17632.
2008-02-28 01:57:57 +00:00

130 строки
3.6 KiB
C

/*
* Copyright (c) 2004-2007 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) 2004-2007 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) 2007 Cisco, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "orte_config.h"
#include "orte/constants.h"
#include "opal/mca/base/base.h"
#include "opal/mca/base/mca_base_param.h"
#include "opal/util/output.h"
#include "opal/util/basename.h"
#include "orte/mca/ras/base/ras_private.h"
#include "ras_tm.h"
/*
* Local variables
*/
static int param_priority;
/*
* Local functions
*/
static int ras_tm_open(void);
static orte_ras_base_module_t *ras_tm_init(int*);
orte_ras_tm_component_t mca_ras_tm_component = {
{
/* First, the mca_base_component_t struct containing meta
information about the component itself */
{
/* Indicate that we are a ras v2.0.0 component (which also
implies a specific MCA version) */
ORTE_RAS_BASE_VERSION_2_0_0,
/* Component name and version */
"tm",
ORTE_MAJOR_VERSION,
ORTE_MINOR_VERSION,
ORTE_RELEASE_VERSION,
/* Component open and close functions */
ras_tm_open,
NULL
},
/* Next the MCA v1.0.0 component meta data */
{
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
ras_tm_init
}
};
static int ras_tm_open(void)
{
mca_base_component_t *c = &mca_ras_tm_component.super.ras_version;
char *pbs_nodefile_env = NULL;
char *default_nodefile_dir = NULL;
bool free_default_nodefile_dir = false;
param_priority =
mca_base_param_reg_int(c,
"priority",
"Priority of the tm ras component",
false, false, 100, NULL);
/* try to detect the default directory */
pbs_nodefile_env = getenv("PBS_NODEFILE");
if ( NULL != pbs_nodefile_env ) {
default_nodefile_dir = opal_dirname(pbs_nodefile_env);
if ( NULL != default_nodefile_dir ) {
free_default_nodefile_dir = true;
} else {
default_nodefile_dir = "/var/torque/aux";
}
} else {
default_nodefile_dir = "/var/torque/aux";
}
mca_base_param_reg_string(c, "nodefile_dir",
"The directory where the PBS nodefile can be found",
false, false, default_nodefile_dir,
&mca_ras_tm_component.nodefile_dir);
if ( free_default_nodefile_dir ) {
free(default_nodefile_dir);
}
return ORTE_SUCCESS;
}
static orte_ras_base_module_t *ras_tm_init(int* priority)
{
/* Are we running under a TM job? */
if (NULL != getenv("PBS_ENVIRONMENT") &&
NULL != getenv("PBS_JOBID")) {
mca_base_param_lookup_int(param_priority, priority);
return &orte_ras_tm_module;
}
/* Sadly, no */
return NULL;
}