Ruben Ayrapetyan
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/* Copyright 2014 Samsung Electronics Co., Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/** \addtogroup pool Memory pool
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* @{
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*/
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#ifndef JERRY_MEM_POOL_INTERNAL
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#error "Please, use mem_poolman.h instead of mem_pool.h"
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#endif
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#ifndef JERRY_MEM_POOL_H
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#define JERRY_MEM_POOL_H
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/**
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* State of a memory pool
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*
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* TODO:
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* Compact the struct
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*/
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typedef struct mem_PoolState_t {
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uint8_t *pPoolStart; /**< first address of pool space */
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size_t PoolSize; /**< pool space size */
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size_t ChunkSize; /**< size of one chunk */
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mword_t *pBitmap; /**< bitmap - pool chunks' state */
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uint8_t *pChunks; /**< chunks with data */
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size_t ChunksNumber; /**< number of chunks */
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size_t FreeChunksNumber; /**< number of free chunks */
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struct mem_PoolState_t *pNextPool; /**< pointer to the next pool with same chunk size */
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} mem_PoolState_t;
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extern void mem_PoolInit(mem_PoolState_t *pPool, size_t chunkSize, uint8_t *poolStart, size_t poolSize);
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extern uint8_t* mem_PoolAllocChunk(mem_PoolState_t *pPool);
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extern void mem_PoolFreeChunk(mem_PoolState_t *pPool, uint8_t *pChunk);
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#endif /* JERRY_MEM_POOL_H */
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/**
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* @}
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*/
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