If the task were to swallow the interruptrequest, the worker thread might not learn that an interrupt was requested, which could delay the application or service shutdown.
如果任务生吞中断请求，则worker线程将不知道有一个被请求的中断，从而耽误应用程序或服务的关闭。
2
Finally, this paper discussed the software system design based on above hardware platform, including the DSP initialization program, the interruptrequestservice and speech coding.