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/* -*- Mode: C; c-basic-offset:4 ; -*- */
/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2007 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) 2006-2007 Mellanox Technologies. All rights reserved.
* Copyright (c) 2008-2009 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#define OPAL_DISABLE_ENABLE_MEM_DEBUG 1
#include "ompi_config.h"
#include <stdio.h>
#include <string.h>
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#include "opal/mca/mca.h"
#include "opal/mca/base/base.h"
#include "orte/util/show_help.h"
#include "orte/util/name_fns.h"
#include "orte/util/proc_info.h"
#include "orte/runtime/orte_globals.h"
#include "ompi/mca/mpool/mpool.h"
#include "ompi/runtime/params.h"
#include "ompi/mca/mpool/base/base.h"
#include "mpool_base_mem_cb.h"
mca_mpool_base_component_t* mca_mpool_base_component_lookup(const char* name)
{
/* Traverse the list of available modules; call their init functions. */
opal_list_item_t* item;
for (item = opal_list_get_first(&mca_mpool_base_components);
item != opal_list_get_end(&mca_mpool_base_components);
item = opal_list_get_next(item)) {
mca_base_component_list_item_t *cli =
(mca_base_component_list_item_t *) item;
mca_mpool_base_component_t* component =
(mca_mpool_base_component_t *) cli->cli_component;
if(strcmp(component->mpool_version.mca_component_name, name) == 0) {
return component;
}
}
return NULL;
}
mca_mpool_base_module_t* mca_mpool_base_module_create(
const char* name,
void* user_data,
struct mca_mpool_base_resources_t* resources)
{
mca_mpool_base_component_t* component = NULL;
mca_mpool_base_module_t* module = NULL;
opal_list_item_t* item;
mca_mpool_base_selected_module_t *sm;
for (item = opal_list_get_first(&mca_mpool_base_components);
item != opal_list_get_end(&mca_mpool_base_components);
item = opal_list_get_next(item)) {
mca_base_component_list_item_t *cli =
(mca_base_component_list_item_t *) item;
component =
(mca_mpool_base_component_t *) cli->cli_component;
if(0 == strcmp(component->mpool_version.mca_component_name, name)) {
break;
}
}
if (opal_list_get_end(&mca_mpool_base_components) == item) {
return NULL;
}
module = component->mpool_init(resources);
if ( NULL == module ) {
return NULL;
}
sm = OBJ_NEW(mca_mpool_base_selected_module_t);
sm->mpool_component = component;
sm->mpool_module = module;
sm->user_data = user_data;
sm->mpool_resources = resources;
opal_list_append(&mca_mpool_base_modules, (opal_list_item_t*) sm);
/* on the very first creation of a module we init the memory
callback */
if (opal_list_get_size(&mca_mpool_base_modules) == 1) {
/* Default to not using memory hooks */
int use_mem_hooks = 0;
/* Use the memory hooks if leave_pinned or
leave_pinned_pipeline is enabled (note that either of these
leave_pinned variables may have been set by a user MCA
param or elsewhere in the code base). Yes, we could have
coded this more succinctly, but this is more clear. */
if (ompi_mpi_leave_pinned || ompi_mpi_leave_pinned_pipeline) {
use_mem_hooks = 1;
}
if (use_mem_hooks) {
if ((OPAL_MEMORY_FREE_SUPPORT | OPAL_MEMORY_MUNMAP_SUPPORT) ==
((OPAL_MEMORY_FREE_SUPPORT | OPAL_MEMORY_MUNMAP_SUPPORT) &
opal_mem_hooks_support_level())) {
opal_mem_hooks_register_release(mca_mpool_base_mem_cb, NULL);
} else {
orte_show_help("help-mpool-base.txt", "leave pinned failed",
true, name, ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
orte_process_info.nodename);
return NULL;
}
/* Set this to true so that mpool_base_close knows to
cleanup */
mca_mpool_base_used_mem_hooks = 1;
}
}
return module;
}
mca_mpool_base_module_t* mca_mpool_base_module_lookup(const char* name)
{
opal_list_item_t* item;
for (item = opal_list_get_first(&mca_mpool_base_modules);
item != opal_list_get_end(&mca_mpool_base_modules);
item = opal_list_get_next(item)) {
mca_mpool_base_selected_module_t *mli =
(mca_mpool_base_selected_module_t *) item;
if(0 == strcmp(mli->mpool_component->mpool_version.mca_component_name,
name)) {
return mli->mpool_module;
}
}
return NULL;
}
int mca_mpool_base_module_destroy(mca_mpool_base_module_t *module)
{
opal_list_item_t* item;
mca_mpool_base_selected_module_t *sm;
for (item = opal_list_get_first(&mca_mpool_base_modules);
item != opal_list_get_end(&mca_mpool_base_modules);
item = opal_list_get_next(item)) {
sm = (mca_mpool_base_selected_module_t *) item;
if (module == sm->mpool_module) {
opal_list_remove_item(&mca_mpool_base_modules,item);
if (NULL != sm->mpool_module->mpool_finalize) {
sm->mpool_module->mpool_finalize(sm->mpool_module);
}
OBJ_RELEASE(sm);
return OMPI_SUCCESS;
}
}
return OMPI_ERR_NOT_FOUND;
}
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