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openmpi/orte/mca/ess/generic/ess_generic_component.c
2010-07-27 03:49:03 +00:00

99 строки
2.7 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 (c) 2010 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"
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "opal/mca/base/mca_base_param.h"
#include "orte/util/proc_info.h"
#include "orte/mca/ess/ess.h"
#include "orte/mca/ess/generic/ess_generic.h"
extern orte_ess_base_module_t orte_ess_generic_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_generic_component = {
{
ORTE_ESS_BASE_VERSION_2_0_0,
/* Component name and version */
"generic",
ORTE_MAJOR_VERSION,
ORTE_MINOR_VERSION,
ORTE_RELEASE_VERSION,
/* Component open and close functions */
orte_ess_generic_component_open,
orte_ess_generic_component_close,
orte_ess_generic_component_query
},
{
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
}
};
int
orte_ess_generic_component_open(void)
{
return ORTE_SUCCESS;
}
int orte_ess_generic_component_query(mca_base_module_t **module, int *priority)
{
char *pick;
/* only pick us if directed to do so */
if (NULL != (pick = getenv("OMPI_MCA_ess")) &&
0 == strcmp(pick, "generic")) {
*priority = 1000;
*module = (mca_base_module_t *)&orte_ess_generic_module;
return ORTE_SUCCESS;
}
/* if not, then return NULL - we cannot be selected */
*priority = -1;
*module = NULL;
return ORTE_ERROR;
}
int
orte_ess_generic_component_close(void)
{
return ORTE_SUCCESS;
}