In a deadlock, what triggers the event that unblocks a process in the set?
Understand the Problem
The question is asking about the event that resolves a deadlock situation, allowing a process to continue its execution. A deadlock occurs when two or more processes are blocked indefinitely, waiting for each other to release resources.
Answer
Resource release by another process or external intervention.
In a deadlock, the event that unblocks a process is the release of a resource held by another process in the deadlock set, or external intervention.
Answer for screen readers
In a deadlock, the event that unblocks a process is the release of a resource held by another process in the deadlock set, or external intervention.
More Information
A deadlock can be resolved through various strategies like resource preemption, process termination, or deadlock avoidance/prevention techniques.
Tips
Confusing the cause of a deadlock with the resolution. The trigger is what breaks the deadlock, not what causes it.
Sources
- Conditions for Deadlock in Operating System - GeeksforGeeks - geeksforgeeks.org
- Introduction of Deadlock in Operating System - GeeksforGeeks - geeksforgeeks.org
- Deadlock - OSDev Wiki - wiki.osdev.org
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