Function esp_idf_hal::sys::esp_register_shutdown_handler

pub unsafe extern "C" fn esp_register_shutdown_handler(
    handle: Option<unsafe extern "C" fn()>
) -> i32

@brief Register shutdown handler

This function allows you to register a handler that gets invoked before the application is restarted using esp_restart function. @param handle function to execute on restart @return

• ESP_OK on success
• ESP_ERR_INVALID_STATE if the handler has already been registered
• ESP_ERR_NO_MEM if no more shutdown handler slots are available