TwoBufQueue
Copyright 2026 chuan lu

Benchmark-only third-party sources are included under third_party/spsc/:
- ReaderWriterQueue: Copyright (c) 2013-2021 Cameron Desrochers.
  Simplified BSD license in readerwriterqueue/LICENSE.md; the semaphore code
  retains its embedded zlib license in readerwriterqueue/atomicops.h.
- rigtorp::SPSCQueue: Copyright (c) 2018 Erik Rigtorp.
  MIT license in rigtorp/LICENSE.
- atomic_queue: Copyright (c) 2019 Maxim Egorushkin.
  MIT license in atomic_queue/LICENSE.
These files retain their upstream licenses and copyright notices.
Fixed commits and SHA-256 hashes: benchmarks/spsc/spsc_dependencies.json.