MPSC queue - Rust

Vyukov's multi-producer single-consumer linked queue. Producers swap the head; consumer walks next pointers. The dangling-tail window is the whole story.

Part of the submillisecond.com cookbook. Zero external dependencies; std only.

Install

[dependencies]
subms-mpsc-queue = "0.4"

Quickstart

cargo test --release
cargo run --example demo

Public API

• pub enum PopResult<T>
• pub struct MpscQueue<T>
• pub fn new() -> Self
• pub fn push(&self, value: T)
• pub fn try_pop(&mut self) -> PopResult<T>

Files

• src/lib.rs - implementation.
• tests/ - integration tests; correctness, edge cases, property/stress.
• examples/demo.rs - stdout walkthrough.
• examples/perf_main.rs - bench entry (behind the harness feature).

License

Dual-licensed under MIT OR Apache-2.0.