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openmpi/orte/mca/odls/alps/odls_alps_component.c
2015-06-23 20:59:57 -07:00

115 строки
3.4 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2008 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2006 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) 2014-2015 Los Alamos National Security, LLC. 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 <stdlib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <ctype.h>
#include <sys/syscall.h>
#include "orte/mca/mca.h"
#include "opal/mca/base/base.h"
#include "orte/mca/common/alps/common_alps.h"
#include "orte/mca/odls/odls.h"
#include "orte/mca/odls/base/odls_private.h"
#include "orte/mca/odls/alps/odls_alps.h"
/*
* Instantiate the public struct with all of our public information
* and pointers to our public functions in it
*/
orte_odls_base_component_t mca_odls_alps_component = {
/* First, the mca_component_t struct containing meta information
about the component itself */
.version = {
ORTE_ODLS_BASE_VERSION_2_0_0,
/* Component name and version */
.mca_component_name = "alps",
MCA_BASE_MAKE_VERSION(component, ORTE_MAJOR_VERSION, ORTE_MINOR_VERSION,
ORTE_RELEASE_VERSION),
/* Component open and close functions */
.mca_open_component = orte_odls_alps_component_open,
.mca_close_component = orte_odls_alps_component_close,
.mca_query_component = orte_odls_alps_component_query,
},
.base_data = {
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
};
int orte_odls_alps_component_open(void)
{
return ORTE_SUCCESS;
}
int orte_odls_alps_component_query(mca_base_module_t **module, int *priority)
{
int rc = ORTE_SUCCESS;
bool flag;
/*
* make sure we're in a daemon process
*/
if (!ORTE_PROC_IS_DAEMON) {
*priority = 0;
*module = NULL;
rc = ORTE_ERROR;
}
/*
* make sure we're in a Cray PAGG container, and that we are also on
* a compute node (i.e. we are thought of as a application task by
* the cray job kernel module - the thing that creates the PAGG
*/
rc = orte_common_alps_proc_in_pagg(&flag);
if ((ORTE_SUCCESS == rc) && flag) {
*priority = 10; /* take precendence over base */
*module = (mca_base_module_t *) &orte_odls_alps_module;
}
return rc;
}
int orte_odls_alps_component_close(void)
{
return ORTE_SUCCESS;
}