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Answer Posted / kwrtos
Semaphore is a machanism to resolve resources conflicts by
tallying resource seekers what is the state of sought
resources, achieving a mutual exclusive access to resources.
Often semaphore operates as a type of mutual exclusive
counters (such as mutexes) where it holds a number of access
keys to the resources. Process that seeks the resources must
obtain one of those access keys, one of semaphores, before
it proceeds further to utilize the resource. If there is no
more such a key available to the process, it has to wait for
the current resource user to release the key.
| Is This Answer Correct ? | 66 Yes | 25 No |
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