napi_cancel_async_work

napi_status napi_cancel_async_work(napi_env env,
                                   napi_async_work work); 拷贝

• [in] env：调用 API 的环境。

  ¥[in] env: The environment that the API is invoked under.

• [in] work：调用 napi_create_async_work 返回的句柄。

  ¥[in] work: The handle returned by the call to napi_create_async_work.

如果 API 成功，则返回 napi_ok。

¥Returns napi_ok if the API succeeded.

如果尚未启动，此 API 会取消排队的工作。如果已经开始执行，则无法取消，返回 napi_generic_failure。如果成功，将调用 complete 回调，状态值为 napi_cancelled。在 complete 回调调用之前不应删除该工作，即使它已成功取消。

¥This API cancels queued work if it has not yet been started. If it has already started executing, it cannot be cancelled and napi_generic_failure will be returned. If successful, the complete callback will be invoked with a status value of napi_cancelled. The work should not be deleted before the complete callback invocation, even if it has been successfully cancelled.

即使存在挂起的 JavaScript 异常，也可以调用此 API。

¥This API can be called even if there is a pending JavaScript exception.