readerwriterqueue ☆

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Description:
Fast single-producer, single-consumer lock-free queue for C++

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: c++ concurrency lock-free queue threading

Install: brew install readerwriterqueue

About:
Readerwriterqueue is a lightweight C++ library providing a lock-free queue optimized for single-producer, single-consumer scenarios. It offers high-performance message passing between threads with minimal overhead, using atomic operations to avoid traditional locking mechanisms. The library is header-only and suitable for real-time systems where low latency is critical.

Key Features:

Lock-free single-producer, single-consumer design
Header-only library with no external dependencies
Low latency and high throughput for thread communication
Supports both dynamic and pre-allocated fixed-size queues

Use Cases:

Inter-thread message passing in high-performance applications
Real-time data streaming between producer and consumer threads
Embedded systems requiring deterministic timing

Alternatives:

Boost lockfree – Boost provides more features but is heavier and has external dependencies
moodycamel::ConcurrentQueue – More general multi-producer, multi-consumer support but slightly larger footprint

Version History

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