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What is a semaphore?

Answer Posted / swetcha

Semaphores r software, blocking, OS assistance solution to
the mutual exclusion problem .It is
basically a non-negative integer variable that saves the
number of wakeup signals sent so they are not lost if the
process is not sleeping

another interpretation is that the semaphore value
represents the number of resources available

Is This Answer Correct ?    101 Yes 34 No



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