Worried About Concurrency?

This lesson speculates how the OS handles multiple interrupts​ concurrently.

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Some of you, as attentive and thoughtful readers, maybe now thinking: “Hmm… what happens when, during a system call, a timer interrupt occurs?” or “What happens when you’re handling one interrupt and another one happens? Doesn’t that get hard to handle in the kernel?” Good questions — we really have some hope for you yet!

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