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Try-Lock Spinlock with Timeout

Medium · concurrency · Quant Developer interview question · concurrency, low-latency, c++

High-frequency trading and low-latency systems often avoid traditional mutexes to prevent unacceptable context-switching overhead. A spinlock provides a lightweight synchronization primitive where a thread repeatedly checks lock availability in a busy loop, though spinning indefinitely can cause excessive CPU usage or deadlocks. Implementing a timeout mechanism ensures deterministic execution bounds, which is critical for maintaining strict latency guarantees in quantitative trading engines. Ta