但是，即使是不可取消的任务也应该尝试保留中断状态，以防在不可取消的任务结束之后，调用栈上更高层的代码需要对中断进行处理。
However, even noncancelable tasks should attempt to preserve the interrupted status in case code higher up on the call stack wants to act on the interruption after the noncancelable task completes.
中断处理程序是orinoco模块的一部分，并与Linux网络栈交互。
The interrupt handler is part of the Orinoco module and interacts with the Linux networking stack.
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