Code Explainers

Code explainers tagged #locking

typescript 
type Task<T> = () => Promise<T>;
 
export class Mutex {
  private queue: Array<() => void> = [];

Building an async mutex in TypeScript

concurrency promises locking
Advanced 7 steps
java 
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.concurrent.locks.ReentrantReadWriteLock;
 

A thread-safe LRU cache in Java

lru-cache concurrency linkedhashmap
Intermediate 7 steps
python 
import time
import threading
 
 

How a thread-safe token bucket rate limiter works

rate-limiting concurrency locking
Intermediate 6 steps