Question: 1. What does it mean when we say that a deadlock occurs when we lock something twice? How is that possible if the code does

1. What does it mean when we say that a deadlock occurs when we lock something twice? How is that possible if the code does not have one lock after the other?

2. Is it possible to deadlock if I am using non-blocking I/O? Explain

3. Explain what epoch means and how it relates to the clock in a Linux operating system

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