182 lines
4.5 KiB
C
182 lines
4.5 KiB
C
/* EINA - EFL data type library
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* Copyright (C) 2008 Cedric BAIL
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library;
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* if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include <ememoa_mempool_fixed.h>
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#include <ememoa_mempool_unknown_size.h>
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#include "eina_types.h"
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#include "eina_module.h"
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#include "eina_private.h"
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#include "eina_mempool.h"
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typedef struct _Eina_Ememoa_Unknown_Size_Mempool
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Eina_Ememoa_Unknown_Size_Mempool;
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struct _Eina_Ememoa_Unknown_Size_Mempool
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{
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struct ememoa_mempool_desc_s *desc;
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int pool;
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};
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static void *
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eina_ememoa_unknown_size_malloc(void *data, unsigned int size)
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{
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Eina_Ememoa_Unknown_Size_Mempool *efm = data;
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return ememoa_mempool_unknown_size_pop_object(efm->pool, size);
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}
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static void
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eina_ememoa_unknown_size_free(void *data, void *ptr)
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{
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Eina_Ememoa_Unknown_Size_Mempool *efm = data;
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ememoa_mempool_unknown_size_push_object(efm->pool, ptr);
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}
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static void *
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eina_ememoa_unknown_size_realloc(void *data, void *element, unsigned int size)
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{
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Eina_Ememoa_Unknown_Size_Mempool *efm = data;
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return ememoa_mempool_unknown_size_resize_object(efm->pool, element, size);
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}
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static void
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eina_ememoa_unknown_size_gc(void *data)
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{
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Eina_Ememoa_Unknown_Size_Mempool *efm = data;
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ememoa_mempool_unknown_size_garbage_collect(efm->pool);
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}
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static void
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eina_ememoa_unknown_size_statistics(void *data)
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{
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Eina_Ememoa_Unknown_Size_Mempool *efm = data;
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ememoa_mempool_unknown_size_display_statistic(efm->pool);
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}
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static void *
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eina_ememoa_unknown_size_init(const char *context,
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__UNUSED__ const char *option,
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va_list args)
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{
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struct ememoa_mempool_desc_s *desc = NULL;
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Eina_Ememoa_Unknown_Size_Mempool *efm = NULL;
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Eina_Bool thread_protect;
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unsigned int *items_map;
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unsigned int items_count;
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unsigned int i;
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int context_length;
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if (context)
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{
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context_length = strlen(context) + 1;
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desc = calloc(1, sizeof (struct ememoa_mempool_desc_s) + context_length);
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if (!desc)
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goto on_error;
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desc->name = (char *)(desc + 1);
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memcpy((char *)desc->name, context, context_length);
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}
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thread_protect = va_arg(args, int);
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items_count = va_arg(args, unsigned int);
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items_map = malloc(sizeof (unsigned int) * 2 * items_count);
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for (i = 0; i < (items_count << 1); ++i)
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items_map[i] = va_arg(args, unsigned int);
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efm = malloc(sizeof (Eina_Ememoa_Unknown_Size_Mempool));
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if (!efm)
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goto on_error;
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efm->desc = desc;
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efm->pool = ememoa_mempool_unknown_size_init(
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items_count,
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items_map,
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thread_protect ?
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EMEMOA_THREAD_PROTECTION : 0,
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efm->desc);
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if (efm->pool < 0)
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goto on_error;
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return efm;
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on_error:
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if (items_map)
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free(items_map);
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if (desc)
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free(desc);
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if (efm)
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free(efm);
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return NULL;
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}
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static void
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eina_ememoa_unknown_size_shutdown(void *data)
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{
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Eina_Ememoa_Unknown_Size_Mempool *efm = data;
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if (efm->desc)
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free(efm->desc);
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ememoa_mempool_unknown_size_clean(efm->pool);
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free(efm);
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}
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static Eina_Mempool_Backend _eina_ememoa_unknown_mp_backend = {
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.name = "ememoa_unknown",
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.init = &eina_ememoa_unknown_size_init,
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.shutdown = &eina_ememoa_unknown_size_shutdown,
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.realloc = &eina_ememoa_unknown_size_realloc,
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.alloc = &eina_ememoa_unknown_size_malloc,
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.free = &eina_ememoa_unknown_size_free,
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.garbage_collect = &eina_ememoa_unknown_size_gc,
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.statistics = &eina_ememoa_unknown_size_statistics
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};
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Eina_Bool ememoa_unknown_init(void)
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{
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return eina_mempool_register(&_eina_ememoa_unknown_mp_backend);
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}
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void ememoa_unknown_shutdown(void)
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{
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eina_mempool_unregister(&_eina_ememoa_unknown_mp_backend);
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}
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#ifndef EINA_STATIC_BUILD_EMEMOA_UNKNOWN
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EINA_MODULE_INIT(ememoa_unknown_init);
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EINA_MODULE_SHUTDOWN(ememoa_unknown_shutdown);
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#endif /* ! EINA_STATIC_BUILD_EMEMOA_UNKNOWN */
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