mempool_heap.h

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/*
 * Copyright (c) 2020 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef ZEPHYR_INCLUDE_MEMPOOL_HEAP_H_
#define ZEPHYR_INCLUDE_MEMPOOL_HEAP_H_
 
/* Compatibility implementation of a k_mem_pool backend in terms of a
 * k_heap
 */
 
/* The "ID" of a k_heap-based mempool is just the tuple of the data
 * block pointer and the heap that allocated it
 */
struct k_mem_block_id {
        void *data;
        struct k_heap *heap;
};
 
/* Note the data pointer gets unioned with the same value stored in
 * the ID field to save space.
 */
struct k_mem_block {
        union {
                void *data;
                struct k_mem_block_id id;
        };
};
 
#endif /* ZEPHYR_INCLUDE_MEMPOOL_HEAP_H_ */