Understanding Deadlock in Multithreading

Jan 11, 2025

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Learn about deadlocks in multithreading, circular requests, resources, and thread interactions to prevent system crashes. Get insights from CS 140 lecture notes.

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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 T2 T4 R4 "Owned by" R2 R3 R4 R2 R3 Resource T3 T1 T1 T2 "Waiting for" R1 R1 Thread No Circularity Circularity CS 140 Lecture Notes: Deadlock
CS 140 Lecture Notes: Deadlock