Explain Semaphore ?

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written 7.7 years ago by

devikaraniroy • 640

modified 7.6 years ago by

sanketshingote • 100

A semaphore is hardware or a software tag variable whose value indicates the status of a common resource. Its purpose is to lock the resource being used. A process which needs the resource will check the semaphore for determining the status of the resource followed by the decision for proceeding. …

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