Multithreading in Javascript (series): Locks Without Libraries — Peterson’s Algorithm in Node.js

📰 Medium · JavaScript

Learn to implement Peterson's lock algorithm in Node.js for multithreading without libraries

advanced Published 17 Apr 2026
Action Steps
  1. Implement Peterson's lock algorithm using SharedArrayBuffer and Worker Threads in Node.js
  2. Use the lock to synchronize access to shared resources in a multithreaded environment
  3. Test the lock implementation with multiple threads to ensure correctness
  4. Compare the performance of Peterson's lock with other lock algorithms
  5. Apply the lock algorithm to real-world scenarios, such as concurrent data structures or parallel computing
Who Needs to Know This

Backend developers and engineers working with Node.js and multithreading can benefit from this article to improve concurrency control

Key Insight

💡 Peterson's lock algorithm can be used to achieve concurrency control in Node.js without relying on external libraries

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