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Define deadlock.
A process requests resources; if the resources are not available at that time, the process enters a wait state. Waiting processes might be never again change state, due to the resources they have requested are held by other waiting processes. This situation is known as a deadlock.
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Synchronization can be achieved by means other than locks and condition variables. One alternative is semaphores. A semaphore is used to regulate traf?c in a critical section. A se
How can the deadlock be prevented-Safe State Safe state : A state is safe if the system is able to allocate resources to each process in some order and still avoid deadlock.
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