Basic Concepts ThreadLocal is called a thread variable, meaning that the variable filled in a ThreadLocal object belongs to the current thread. Through this variable, we can set an independent copy for the current thread. This copy is isolated from other threads, and each thread can only access its...
The Singleton design pattern is a creational pattern that ensures a class has only one instance and provides a global point of access to it. This pattern is particularly useful when exactly one object is needed to coordinate actions across the system, such as managing a single configuration, a loggi...
Atomicity An atomic operation is one that is executed as a single, indivisible unit. The operation either completes entirely or not at all. Atomicity Issues in Multithreading Consider a scenario where we want 100 threads to each deliver 100 flowers to Xiao Ha, but we find that the total is less than...
Threading Paradigms: Message-Based vs Shared-State Synchronization The most robust threading paradigm is message-based synchronization, typically implemented using a thread-safe queue class (mt_queue). Threads communicate exclusively via these queues, eliminating the need for explicit locks. The onl...
