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/* EINA - EFL data type library
* Copyright (C) 2008 Cedric BAIL
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library;
* if not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdlib.h>
#include <string.h>
#include <ememoa_mempool_fixed.h>
#include "eina_inlist.h"
#include "eina_error.h"
#include "eina_module.h"
#include "eina_mempool.h"
#include "eina_private.h"
typedef struct _Eina_Ememoa_Fixed_Mempool Eina_Ememoa_Fixed_Mempool;
struct _Eina_Ememoa_Fixed_Mempool
{
struct ememoa_mempool_desc_s *desc;
int pool;
};
static void *
eina_ememoa_fixed_malloc(void *data, __UNUSED__ unsigned int size)
{
Eina_Ememoa_Fixed_Mempool *efm = data;
return ememoa_mempool_fixed_pop_object(efm->pool);
}
static void
eina_ememoa_fixed_free(void *data, void *ptr)
{
Eina_Ememoa_Fixed_Mempool *efm = data;
ememoa_mempool_fixed_push_object(efm->pool, ptr);
}
static void *
eina_ememoa_fixed_realloc(__UNUSED__ void *data,
__UNUSED__ void *element,
__UNUSED__ unsigned int size)
{
return NULL;
}
static void
eina_ememoa_fixed_gc(void *data)
{
Eina_Ememoa_Fixed_Mempool *efm = data;
ememoa_mempool_fixed_garbage_collect(efm->pool);
}
static void
eina_ememoa_fixed_statistics(void *data)
{
Eina_Ememoa_Fixed_Mempool *efm = data;
ememoa_mempool_fixed_display_statistic(efm->pool);
(void)efm;
}
static void *
eina_ememoa_fixed_init(const char *context,
__UNUSED__ const char *option,
va_list args)
{
struct ememoa_mempool_desc_s *desc = NULL;
Eina_Ememoa_Fixed_Mempool *efm = NULL;
Eina_Bool thread_protect;
int context_length;
int item_size;
int pool_size;
if (context)
{
context_length = strlen(context) + 1;
desc = calloc(1, sizeof (struct ememoa_mempool_desc_s) + context_length);
if (!desc)
goto on_error;
desc->name = (char *)(desc + 1);
memcpy((char *)desc->name, context, context_length);
}
item_size = va_arg(args, int);
pool_size = va_arg(args, int);
thread_protect = va_arg(args, int);
efm = malloc(sizeof (Eina_Ememoa_Fixed_Mempool));
if (!efm)
goto on_error;
efm->desc = desc;
efm->pool = ememoa_mempool_fixed_init(
item_size,
pool_size,
thread_protect ?
EMEMOA_THREAD_PROTECTION : 0,
efm->desc);
if (efm->pool < 0)
goto on_error;
return efm;
on_error:
if (desc)
free(desc);
if (efm)
free(efm);
return NULL;
}
static void
eina_ememoa_fixed_shutdown(void *data)
{
Eina_Ememoa_Fixed_Mempool *efm = data;
if (efm->desc)
free(efm->desc);
ememoa_mempool_fixed_clean(efm->pool);
free(efm);
}
static Eina_Mempool_Backend _eina_ememoa_mp_backend = {
.name = "ememoa_fixed",
.init = &eina_ememoa_fixed_init,
.shutdown = &eina_ememoa_fixed_shutdown,
.realloc = &eina_ememoa_fixed_realloc,
.alloc = &eina_ememoa_fixed_malloc,
.free = &eina_ememoa_fixed_free,
.garbage_collect = &eina_ememoa_fixed_gc,
.statistics = &eina_ememoa_fixed_statistics,
.repack = NULL
};
Eina_Bool ememoa_fixed_init(void)
{
return eina_mempool_register(&_eina_ememoa_mp_backend);
}
void ememoa_fixed_shutdown(void)
{
eina_mempool_unregister(&_eina_ememoa_mp_backend);
}
#ifndef EINA_STATIC_BUILD_EMEMOA_FIXED
EINA_MODULE_INIT(ememoa_fixed_init);
EINA_MODULE_SHUTDOWN(ememoa_fixed_shutdown);
#endif /* ! EINA_STATIC_BUILD_EMEMOA_FIXED */
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