https://github.com/chrishulbert/spsc

Single Producer Single Consumer queue in C
https://github.com/chrishulbert/spsc

Last synced: 17 days ago
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Single Producer Single Consumer queue in C

• Host: GitHub
• URL: https://github.com/chrishulbert/spsc
• Owner: chrishulbert
• License: mit
• Created: 2026-05-13T09:09:05.000Z (2 months ago)
• Default Branch: main
• Last Pushed: 2026-05-13T12:16:27.000Z (2 months ago)
• Last Synced: 2026-05-13T14:23:58.158Z (2 months ago)
• Language: C
• Homepage: https://www.splinter.com.au/2026/05/13/lockless-spsc-queue/
• Size: 21.5 KB
• Stars: 0
• Watchers: 0
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# SPSC

Lockless Single Producer Single Consumer queue in C

![Band](readme/band.png)

This is a simple C implementation of a lockless SPSC queue algorithm, most commonly used for communicating to hard-real-time audio threads.

Documentation can be found here: [splinter.com.au/2026/05/13/lockless-spsc-queue](https://www.splinter.com.au/2026/05/13/lockless-spsc-queue/).

To run, simply do:

    make run

This is less a library than sample code that you are encouraged to copy and paste into your project, modifying `QueueEntry` to suit the items you want to put in your queue.

Extracted from [BrickWarrior](https://github.com/chrishulbert/brickwarrior)'s sound engine.

![Band](readme/brothers.png)