two threads (an interrupt and polling thread)
两个线程（中断线程和轮询线程）
Device drivers are either polling or interrupt-driven, with the latter being more generally preferred.
设备驱动程序不是轮询的就是中断驱动的，后一种越来越成为首选的。
In this model, we do a combination of interrupt driven and polling driven network IO.
在该模型中，我们组合了中断驱动和轮询驱动的网络IO。
Interrupt-driven communication is much more efficient than polling.
中断驱动的通讯比轮转方式的更高效。
Interrupt-driven communication is much more efficient than polling.
中断驱动的通讯比轮转方式的更高效。
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