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semaphores, classic problems

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Problems with <strong>semaphores</strong><br />

• Still too low-level<br />

• Semaphore operations are scattered through<br />

code<br />

• P and V are used in pairs: how do you know<br />

which pairs match?<br />

Computing Systems<br />

http://www.cs.caltech.edu/cs134/cs134a October 10, 2001

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