ref: ca5234ca4dc13b93df01f2ca18117445a68871b6
dir: /LEAF/Inc/leaf-mempool.h/
/*==============================================================================
In short, mpool is distributed under so called "BSD license",
Copyright (c) 2009-2010 Tatsuhiko Kubo <cubicdaiya@gmail.com>
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of the authors nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
written by C99 style
==============================================================================*/
#ifndef LEAF_MPOOL_H_INCLUDED
#define LEAF_MPOOL_H_INCLUDED
#ifdef __cplusplus
extern "C" {
#endif
//==============================================================================
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
//==============================================================================
#define MPOOL_ALIGN_SIZE (8)
//#define size_t unsigned long
/**
* memory pool structure
*/
// node of free list
typedef struct mpool_node_t {
void *pool; // memory pool field
struct mpool_node_t *next; // next node pointer
struct mpool_node_t *prev; // prev node pointer
size_t size;
} mpool_node_t;
typedef struct mpool_t {
void* mpool; // start of the mpool
size_t usize; // used size of the pool
size_t msize; // max size of the pool
mpool_node_t* head; // first node of memory pool free list
} mpool_t;
void mpool_create (char* memory, size_t size, mpool_t* pool);
void* mpool_alloc(size_t size, mpool_t* pool);
void* mpool_allocAndClear(size_t asize, mpool_t* pool);
void mpool_free(void* ptr, mpool_t* pool);
size_t mpool_get_size(mpool_t* pool);
size_t mpool_get_used(mpool_t* pool);
void leaf_pool_init(char* memory, size_t size);
void* leaf_alloc(size_t size);
void* leaf_allocAndClear(size_t size);
void leaf_free(void* ptr);
size_t leaf_pool_get_size(void);
size_t leaf_pool_get_used(void);
void* leaf_pool_get_pool(void);
void leaf_mempool_overrun(void);
// User object for creating additional mempools
typedef struct _tMempool
{
mpool_t pool;
} _tMempool;
typedef _tMempool* tMempool;
void tMempool_init (tMempool* const, char* memory, size_t size);
void tMempool_free (tMempool* const);
void tMempool_initToPool (tMempool* const, char* memory, size_t size, tMempool* const);
void tMempool_freeFromPool (tMempool* const, tMempool* const);
//==============================================================================
#ifdef __cplusplus
}
#endif
#endif // LEAF_MPOOL_H
//==============================================================================