napi_async_cleanup_hook

与 napi_add_async_cleanup_hook 一起使用的函数指针。当环境被拆除时，它将被调用。

¥Function pointer used with napi_add_async_cleanup_hook. It will be called when the environment is being torn down.

回调函数必须满足以下签名：

¥Callback functions must satisfy the following signature:

typedef void (*napi_async_cleanup_hook)(napi_async_cleanup_hook_handle handle,
                                        void* data); 拷贝

• [in] handle：完成异步清理后必须传递给 napi_remove_async_cleanup_hook 的句柄。

  ¥[in] handle: The handle that must be passed to napi_remove_async_cleanup_hook after completion of the asynchronous cleanup.

• [in] data：传递给 napi_add_async_cleanup_hook 的数据。

  ¥[in] data: The data that was passed to napi_add_async_cleanup_hook.

函数体应启动异步清理操作，在清理操作结束时必须在调用 napi_remove_async_cleanup_hook 时传递 handle。

¥The body of the function should initiate the asynchronous cleanup actions at the end of which handle must be passed in a call to napi_remove_async_cleanup_hook.