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Computer Science 414Operating Systems Sample Questions from Prior Midterms This is an open-book, open-notes exam. However, you may not use any other...
3. A barrier is a synchronization primitive that we discussed in class. When created orreset with CreateBarrier(n) or SetBarrier(n), it waits for n processes to callWaitAtBarrier() before the barrier falls. Until the barrier falls, processes that callWaitAtBarrier() must wait; once the barrier falls, all processes waiting at this barrierare allowed to proceed unconditionally.
