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Module 4: Deadlocks

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Discuss deadlock recovery techniques. Explain process termination and resource preemption methods used for recovery from deadlock.

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Deadlock Recovery

  • Process termination: abort all deadlocked or one by one (victim selection by priority/cost), rollback.
  • Resource preemption: preempt resources, roll back process to safe state, starvation avoidance. Requires selecting victim, rollback, starvation prevention.

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