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Difficulty: Medium
Category: concurrency
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Topics: concurrency, multithreading, synchronization, c++
In high-frequency trading systems, order book updates are often processed in parallel across multiple partitions requiring strict cross-partition consistency. To maintain this consistency, worker threads must synchronize at the end of each processing cycle before advancing to the next. Since C++20's std::barrier is not always available in legacy environments, developers must construct reusable synchronization primitives using standard mutexes and condition variables. Task Implement a reusable C
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