Question: Does the busy waiting solution using the turn variable (Fig. 2-23) work when the two processes are running on a shared-memory multiprocessor, that is, two

Does the busy waiting solution using the turn variable (Fig. 2-23) work when the two processes are running on a shared-memory multiprocessor, that is, two CPUs sharing a common memory?

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Yes it is possible but inefficient A thread wanting to do a system call first sets an alarm ... View full answer

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