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openmpi/orte/mca/ess/env/ess_env_component.c
Rainer Keller ec0ed48718 - Revert r20739
This commit was SVN r20742.

The following SVN revision numbers were found above:
  r20739 --> open-mpi/ompi@781caee0b6
2009-03-05 21:56:03 +00:00

103 строки
2.9 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/proc_info.h"
#include "orte/mca/ess/ess.h"
#include "orte/mca/ess/env/ess_env.h"
extern orte_ess_base_module_t orte_ess_env_module;
/*
* Instantiate the public struct with all of our public information
* and pointers to our public functions in it
*/
orte_ess_base_component_t mca_ess_env_component = {
{
ORTE_ESS_BASE_VERSION_2_0_0,
/* Component name and version */
"env",
ORTE_MAJOR_VERSION,
ORTE_MINOR_VERSION,
ORTE_RELEASE_VERSION,
/* Component open and close functions */
orte_ess_env_component_open,
orte_ess_env_component_close,
orte_ess_env_component_query
},
{
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
}
};
int
orte_ess_env_component_open(void)
{
return ORTE_SUCCESS;
}
int orte_ess_env_component_query(mca_base_module_t **module, int *priority)
{
/* we are the env module, so set the priority to
* be higher than the tool component so that a
* tool launched as a distributed set of procs
* (i.e., a "tool with name") will select this
* module, but low enough that any other environment
* will override us
*/
/* if we don't have a path back to the HNP, then we
* were not launched by mpirun, so don't pick us as
* it would be impossible for the correct env vars
* to have been set!
*/
if (NULL != orte_process_info.my_hnp_uri) {
*priority = 20;
*module = (mca_base_module_t *)&orte_ess_env_module;
return ORTE_SUCCESS;
}
/* if not, then return NULL - we cannot be selected */
*priority = -1;
*module = NULL;
return ORTE_ERROR;
}
int
orte_ess_env_component_close(void)
{
return ORTE_SUCCESS;
}