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openmpi/opal/mca/sysinfo/base/sysinfo_base_open.c
2010-01-12 23:22:46 +00:00

118 строки
3.0 KiB
C

/*
* Copyright (c) 2009 Cisco Systems, Inc. All rights reserved.
*
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include "opal/constants.h"
#include "opal/util/output.h"
#include "opal/mca/mca.h"
#include "opal/mca/base/base.h"
#include "opal/mca/base/mca_base_param.h"
#include "opal/mca/sysinfo/sysinfo.h"
#include "opal/mca/sysinfo/base/base.h"
/*
* The following file was created by configure. It contains extern
* statements and the definition of an array of pointers to each
* component's public mca_base_component_t struct.
*/
#include "opal/mca/sysinfo/base/static-components.h"
/* unsupported functions */
static int opal_sysinfo_base_query(char **keys, opal_list_t *values);
/*
* Globals
*/
int opal_sysinfo_base_output = -1;
opal_list_t opal_sysinfo_base_components_opened;
opal_list_t opal_sysinfo_avail_modules;
bool opal_sysinfo_initialized=false;
bool opal_sysinfo_selected=false;
opal_sysinfo_API_module_t opal_sysinfo = {
opal_sysinfo_base_query
};
/*
* Function for finding and opening either all MCA components, or the one
* that was specifically requested via a MCA parameter.
*/
int opal_sysinfo_base_open(void)
{
if (opal_sysinfo_initialized) {
return OPAL_SUCCESS;
}
opal_sysinfo_initialized = true;
opal_sysinfo_base_output = opal_output_open(NULL);
/* init the list of available modules */
OBJ_CONSTRUCT(&opal_sysinfo_avail_modules, opal_list_t);
/* Open up all available components */
OBJ_CONSTRUCT( &opal_sysinfo_base_components_opened, opal_list_t );
if (OPAL_SUCCESS !=
mca_base_components_open("sysinfo", opal_sysinfo_base_output,
mca_sysinfo_base_static_components,
&opal_sysinfo_base_components_opened,
true)) {
return OPAL_ERROR;
}
/* All done */
return OPAL_SUCCESS;
}
static int opal_sysinfo_base_query(char **keys, opal_list_t *values)
{
opal_list_item_t *item;
opal_sysinfo_module_t *mod;
/* query all the available modules */
for (item = opal_list_get_first(&opal_sysinfo_avail_modules);
item != opal_list_get_end(&opal_sysinfo_avail_modules);
item = opal_list_get_next(item)) {
mod = (opal_sysinfo_module_t*)item;
if (NULL != mod->module->query) {
mod->module->query(keys, values);
}
}
return OPAL_SUCCESS;
}
/**** SETUP SYSINFO MODULE OBJECTS ****/
static void mod_constructor(opal_sysinfo_module_t *ptr)
{
ptr->module = NULL;
}
OBJ_CLASS_INSTANCE(opal_sysinfo_module_t,
opal_list_item_t,
mod_constructor, NULL);
static void val_constructor(opal_sysinfo_value_t *ptr)
{
ptr->key = NULL;
}
static void val_destructor(opal_sysinfo_value_t *ptr)
{
if (NULL != ptr->key) {
free(ptr->key);
}
}
OBJ_CLASS_INSTANCE(opal_sysinfo_value_t,
opal_list_item_t,
val_constructor, val_destructor);