Understanding Deadlock in Multithreading

Jan 12, 2025

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Learn about the concept of deadlock in multithreading, including circular requests, resource ownership, and prevention strategies. These lecture notes cover essential topics in CS 140, providing insights into avoiding deadlock scenarios.

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Understanding Deadlock in Multithreading

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Simple Deadlock Thread A: Thread B: lock_acquire(l1); lock_acquire(l2); lock_acquire(l2); lock_acquire(l1); ... ... lock_release(l2); lock_release(l1); lock_release(l1); lock_release(l2); CS 140 Lecture Notes: Deadlock
Circular Requests P2 P4 R4 "Owned by" R2 R3 R4 R2 R3 Resource P3 P1 P1 P2 "Waiting for" R1 R1 Process No Circularity Circularity CS 140 Lecture Notes: Deadlock
CS 140 Lecture Notes: Deadlock