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C

// Copyright 2018-2019 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include "sdkconfig.h"
#include "esp_err.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifdef CONFIG_HEAP_TRACING
typedef enum {
HEAP_TRACE_NONE = 0,
HEAP_TRACE_LEAKS,
} heap_trace_mode_t;
/**
* @brief heap trace record information(not used)
*/
typedef struct {
char buf[1]; /*!< record buffer */
} heap_trace_record_t;
/**
* @brief Check if heap trace is on
*
* @return true if on or false
*/
int heap_trace_is_on(void);
/**
* @brief Empty function just for passing compiling some place.
*/
esp_err_t heap_trace_init_standalone(heap_trace_record_t *record_buffer, size_t num_records);
/**
* @brief Start heap tracing. All heap allocations will be traced, until heap_trace_stop() is called.
*
* @param mode Mode for tracing.
* - HEAP_TRACE_LEAKS means only suspected memory leaks are traced. (When memory is freed, the record is removed from the trace buffer.)
* @return
* - ESP_OK Tracing is started.
*/
esp_err_t heap_trace_start(heap_trace_mode_t mode);
/**
* @brief Stop heap tracing.
*
* @return
* - ESP_OK Heap tracing stopped..
*/
esp_err_t heap_trace_stop(void);
/**
* @brief Resume heap tracing which was previously stopped.
*
* @return
* - ESP_ERR_NOT_SUPPORTED Project was compiled without heap tracing enabled in menuconfig.
* - ESP_OK Heap tracing resumed.
*/
esp_err_t heap_trace_resume(void);
/**
* @brief Dump heap trace record data to stdout
*
* @note It is safe to call this function while heap tracing is running, however in HEAP_TRACE_LEAK mode the dump may skip
* entries unless heap tracing is stopped first.
*/
void heap_trace_dump(void);
#endif /* CONFIG_HEAP_TRACING */
#ifdef __cplusplus
}
#endif