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openmpi/orte/mca/pls/tm/pls_tm_component.c

163 строки
4.9 KiB
C

/*
* Copyright (c) 2004-2005 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 "opal/mca/base/mca_base_param.h"
#include "opal/util/output.h"
#include "opal/util/argv.h"
#include "orte/orte_constants.h"
#include "orte/util/proc_info.h"
#include "orte/mca/errmgr/errmgr.h"
#include "orte/mca/pls/pls.h"
#include "orte/mca/pls/base/base.h"
#include "orte/mca/pls/base/pls_private.h"
#include "pls_tm.h"
/*
* Public string showing the pls ompi_tm component version number
*/
const char *mca_pls_tm_component_version_string =
"Open MPI tm pls MCA component version " ORTE_VERSION;
/*
* Local function
*/
static int pls_tm_open(void);
static int pls_tm_close(void);
static orte_pls_base_module_t *pls_tm_init(int *priority);
/*
* Instantiate the public struct with all of our public information
* and pointers to our public functions in it
*/
orte_pls_tm_component_t mca_pls_tm_component = {
{
/* First, the mca_component_t struct containing meta information
about the component itself */
{
/* Indicate that we are a pls v1.3.0 component (which also
implies a specific MCA version) */
ORTE_PLS_BASE_VERSION_1_3_0,
/* Component name and version */
"tm",
ORTE_MAJOR_VERSION,
ORTE_MINOR_VERSION,
ORTE_RELEASE_VERSION,
/* Component open and close functions */
pls_tm_open,
pls_tm_close,
},
/* Next the MCA v1.0.0 component meta data */
{
/* Whether the component is checkpointable or not */
true
},
/* Initialization / querying functions */
pls_tm_init
}
};
static int pls_tm_open(void)
{
int tmp;
mca_base_component_t *comp = &mca_pls_tm_component.super.pls_version;
mca_base_param_reg_int(comp, "debug", "Enable debugging of the TM pls",
false, false, 0, &mca_pls_tm_component.debug);
mca_base_param_reg_int(comp, "verbose", "Enable verbose output of the TM pls",
false, false, 0, &mca_pls_tm_component.verbose);
mca_base_param_reg_int(comp, "priority", "Default selection priority",
false, false, 75, &mca_pls_tm_component.priority);
mca_base_param_reg_string(comp, "orted",
"Command to use to start proxy orted",
false, false, "orted",
&mca_pls_tm_component.orted);
mca_base_param_reg_int(comp, "want_path_check",
"Whether the launching process should check for the pls_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_pls_tm_component.want_path_check = (bool) tmp;
mca_pls_tm_component.checked_paths = NULL;
return ORTE_SUCCESS;
}
static int pls_tm_close(void)
{
if (NULL != mca_pls_tm_component.checked_paths) {
opal_argv_free(mca_pls_tm_component.checked_paths);
}
return ORTE_SUCCESS;
}
static orte_pls_base_module_t *pls_tm_init(int *priority)
{
int rc;
/* if we are NOT an HNP, then don't select us */
if (!orte_process_info.seed) {
return NULL;
}
/* Are we running under a TM job? */
if (NULL != getenv("PBS_ENVIRONMENT") &&
NULL != getenv("PBS_JOBID")) {
/* ensure the receive gets posted */
if (ORTE_SUCCESS != (rc = orte_pls_base_comm_start())) {
ORTE_ERROR_LOG(rc);
}
*priority = mca_pls_tm_component.priority;
return &orte_pls_tm_module;
}
/* Sadly, no */
opal_output(orte_pls_base.pls_output,
"pls:tm: NOT available for selection");
return NULL;
}