Question:
Which of the following is a way to recover from the deadlock which has already occurred?
Which of the following is a way to recover from the deadlock which has already occurred?
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When recovering from a deadlock, terminating processes involved in the deadlock is one of the quickest solutions.
Updated On: Sep 25, 2025
- Process termination
- Non preemption of resources
- Banker's algorithm
- Circular wait
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The Correct Option is A
Solution and Explanation
Step 1: Deadlock recovery strategies.
Once a deadlock has occurred, there are several ways to recover from it:
- **Process termination**: Terminating one or more processes involved in the deadlock to break the circular wait condition.
- **Resource preemption**: Forcibly taking resources away from processes to break the hold and wait condition.
Step 2: Analysis of other options.
- (2) **Non preemption of resources**: This condition is part of the deadlock model, not a way to recover from deadlock.
- (3) **Banker's algorithm**: It is a prevention algorithm to avoid deadlock but does not apply for recovering from an already occurred deadlock.
- (4) **Circular wait**: This is one of the conditions that causes deadlock, not a recovery method.
Step 3: Conclusion.
The correct method to recover from a deadlock is **process termination** (1).
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