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openmpi/orte/mca/plm/tm/plm_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

140 строки
4.1 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) 2004-2005 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) 2006 Cisco Systems, Inc. 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 "opal/util/output.h"
#include "opal/util/argv.h"
#include "orte/util/proc_info.h"
#include "orte/mca/errmgr/errmgr.h"
#include "orte/mca/plm/plm.h"
#include "orte/mca/plm/base/base.h"
#include "orte/mca/plm/base/plm_private.h"
#include "plm_tm.h"
/*
* Public string showing the plm ompi_tm component version number
*/
const char *mca_plm_tm_component_version_string =
"Open MPI tm plm MCA component version " ORTE_VERSION;
/*
* Local function
*/
static int plm_tm_open(void);
static int plm_tm_close(void);
static orte_plm_base_module_t *plm_tm_init(int *priority);
/*
* Instantiate the public struct with all of our public information
* and pointers to our public functions in it
*/
orte_plm_tm_component_t mca_plm_tm_component = {
{
/* First, the mca_component_t struct containing meta information
about the component itself */
{
/* Indicate that we are a plm v1.0.0 component (which also
implies a specific MCA version) */
ORTE_PLM_BASE_VERSION_1_0_0,
/* Component name and version */
"tm",
ORTE_MAJOR_VERSION,
ORTE_MINOR_VERSION,
ORTE_RELEASE_VERSION,
/* Component open and close functions */
plm_tm_open,
plm_tm_close,
},
/* Next the MCA v1.0.0 component meta data */
{
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
/* Initialization / querying functions */
plm_tm_init
}
};
static int plm_tm_open(void)
{
int tmp;
mca_base_component_t *comp = &mca_plm_tm_component.super.plm_version;
mca_base_param_reg_string(comp, "orted",
"Command to use to start proxy orted",
false, false, "orted",
&mca_plm_tm_component.orted);
mca_base_param_reg_int(comp, "want_path_check",
"Whether the launching process should check for the plm_tm_orted executable in the PATH before launching (the TM API does not give an idication of failure; this is a somewhat-lame workaround; non-zero values enable this check)",
false, false, (int) true, &tmp);
mca_plm_tm_component.want_path_check = OPAL_INT_TO_BOOL(tmp);
mca_plm_tm_component.checked_paths = NULL;
return ORTE_SUCCESS;
}
static int plm_tm_close(void)
{
if (NULL != mca_plm_tm_component.checked_paths) {
opal_argv_free(mca_plm_tm_component.checked_paths);
}
return ORTE_SUCCESS;
}
static orte_plm_base_module_t *plm_tm_init(int *priority)
{
/* Are we running under a TM job? */
if (NULL != getenv("PBS_ENVIRONMENT") &&
NULL != getenv("PBS_JOBID")) {
*priority = 75;
return &orte_plm_tm_module;
}
/* Sadly, no */
return NULL;
}