multi_heap.h

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/* Copyright (c) 2021 Intel Corporation
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_SYS_MULTI_HEAP_H_
#define ZEPHYR_INCLUDE_SYS_MULTI_HEAP_H_
 
#include <zephyr/types.h>
 
#define MAX_MULTI_HEAPS 8
 
struct sys_multi_heap;
 
typedef void *(*sys_multi_heap_fn_t)(struct sys_multi_heap *mheap, void *cfg,
                                     size_t align, size_t size);
 
struct sys_multi_heap {
        int nheaps;
        sys_multi_heap_fn_t choice;
        struct sys_heap *heaps[MAX_MULTI_HEAPS];
};
 
void sys_multi_heap_init(struct sys_multi_heap *heap,
                         sys_multi_heap_fn_t choice_fn);
 
void sys_multi_heap_add_heap(struct sys_multi_heap *mheap, struct sys_heap *heap);
 
void *sys_multi_heap_alloc(struct sys_multi_heap *mheap, void *cfg, size_t bytes);
 
void *sys_multi_heap_aligned_alloc(struct sys_multi_heap *mheap,
                                   void *cfg, size_t align, size_t bytes);
 
void sys_multi_heap_free(struct sys_multi_heap *mheap, void *block);
 
#endif /* ZEPHYR_INCLUDE_SYS_MULTI_HEAP_H_ */