esp-idf/components/esp_rom/patches/esp_rom_multi_heap.c

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/*
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/*
* This file is a patch for the multi_heap.c file stored in ROM
* - added function multi_heap_walk
*/
#include <stddef.h>
#include <stdbool.h>
#include <string.h>
#include "esp_rom_multi_heap.h"
// Hook to force the linker to include this file
void esp_rom_include_multi_heap_patch(void)
{
}
/*!
* @brief Opaque types for TLSF implementation
*/
typedef void* tlsf_t;
typedef void* pool_t;
typedef void* tlsf_walker;
typedef struct multi_heap_info {
void *lock;
size_t free_bytes;
size_t minimum_free_bytes;
size_t pool_size;
void* heap_data;
} heap_t;
extern void tlsf_walk_pool(pool_t pool, tlsf_walker walker, void* user);
extern pool_t tlsf_get_pool(tlsf_t tlsf);
extern void multi_heap_internal_lock(multi_heap_handle_t heap);
extern void multi_heap_internal_unlock(multi_heap_handle_t heap);
void multi_heap_walk(multi_heap_handle_t heap, multi_heap_walker_cb_t walker_func, void *user_data)
{
assert(heap != NULL);
multi_heap_internal_lock(heap);
tlsf_walk_pool(tlsf_get_pool(heap->heap_data), walker_func, user_data);
multi_heap_internal_unlock(heap);
}