forked from enlightenment/efl
106 lines
3.0 KiB
Plaintext
106 lines
3.0 KiB
Plaintext
/* 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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#ifndef EINA_INLINE_MEMPOOL_X_
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#define EINA_INLINE_MEMPOOL_X_
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/**
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* @addtogroup Eina_Memory_Pool_Group Memory Pool
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*
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* @{
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*/
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/* Memory Pool */
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struct _Eina_Mempool_Backend
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{
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const char *name;
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void *(*init)(const char *context, const char *options, va_list args);
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void (*free)(void *data, void *element);
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void *(*alloc)(void *data, unsigned int size);
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void *(*realloc)(void *data, void *element, unsigned int size);
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void (*garbage_collect)(void *data);
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void (*statistics)(void *data);
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void (*shutdown)(void *data);
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};
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struct _Eina_Mempool
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{
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Eina_Mempool_Backend backend;
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void *backend_data;
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};
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/**
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* @brief Re-allocate a amount memory by the given mempool.
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*
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* @param mp The mempool.
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* @param element The element to re-allocate.
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* @param size The size in bytes to re-allocate.
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* @return The newly re-allocated data.
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*
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* This function re-allocates @p element with @p size bytes, using the
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* mempool @p mp and returns the allocated data. If not used anymore,
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* the data must be freed with eina_mempool_free(). No check is done
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* on @p mp, so it must be a valid mempool.
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*/
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static inline void *
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eina_mempool_realloc(Eina_Mempool *mp, void *element, unsigned int size)
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{
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return mp->backend.realloc(mp->backend_data, element, size);
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}
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/**
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* @brief Allocate a amount memory by the given mempool.
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*
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* @param mp The mempool.
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* @param size The size in bytes to allocate.
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* @return The newly allocated data.
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*
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* This function allocates @p size bytes, using the mempool @p mp and
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* returns the allocated data. If not used anymore, the data must be
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* freed with eina_mempool_free(). No check is done on @p mp, so it
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* must be a valid mempool.
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*/
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static inline void *
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eina_mempool_malloc(Eina_Mempool *mp, unsigned int size)
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{
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return mp->backend.alloc(mp->backend_data, size);
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}
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/**
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* @brief Free the allocated ressources by the given mempool.
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*
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* @param mp The mempool.
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* @param element The data to free.
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*
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* This function frees @p element allocated by @p mp. @p element must
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* have been obtained by eina_mempool_malloc() or
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* eina_mempool_realloc(). No check is done on @p mp, so it must be a
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* valid mempool.
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*/
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static inline void
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eina_mempool_free(Eina_Mempool *mp, void *element)
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{
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mp->backend.free(mp->backend_data, element);
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}
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/**
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* @}
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*/
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#endif
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