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esp_openthread_lock.h
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esp_openthread_lock.h
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/*
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <stdbool.h>
#include "esp_err.h"
#include "freertos/FreeRTOS.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief This function initializes the OpenThread API lock.
*
* @return
* - ESP_OK on success
* - ESP_ERR_NO_MEM if allocation has failed
* - ESP_ERR_INVALID_STATE if already initialized
*
*/
esp_err_t esp_openthread_lock_init(void);
/**
* This function deinitializes the OpenThread API lock.
*
*/
void esp_openthread_lock_deinit(void);
/**
* @brief This function acquires the OpenThread API lock.
*
* @note Every OT APIs that takes an otInstance argument MUST be protected with this API lock
* except that the call site is in OT callbacks.
*
* @param[in] block_ticks The maxinum number of RTOS ticks to wait for the lock.
*
* @return
* - True on lock acquired
* - False on failing to acquire the lock with the timeout.
*
*/
bool esp_openthread_lock_acquire(TickType_t block_ticks);
/**
* @brief This function releases the OpenThread API lock.
*
*/
void esp_openthread_lock_release(void);
/**
* @brief This function acquires the OpenThread API task switching lock.
*
* @note In OpenThread API context, it waits for some actions to be done in other tasks (like lwip),
* after task switching, it needs to call OpenThread API again. Normally it's not allowed,
* since the previous OpenThread API lock is not released yet. This task_switching lock allows
* the OpenThread API can be called in this case.
*
* @note Please use esp_openthread_lock_acquire() for normal cases.
*
* @param[in] block_ticks The maxinum number of RTOS ticks to wait for the lock.
*
* @return
* - True on lock acquired
* - False on failing to acquire the lock with the timeout.
*
*/
bool esp_openthread_task_switching_lock_acquire(TickType_t block_ticks);
/**
* @brief This function releases the OpenThread API task switching lock.
*
*/
void esp_openthread_task_switching_lock_release(void);
#ifdef __cplusplus
}
#endif