Uses old Rust 2015

#954 in Concurrency

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Used in 61 crates (3 directly)

MIT/Apache

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A mutex which can only be locked once, but which provides very fast concurrent reads after the first lock is over.

Example


let mutex = OnceMutex::new(8);

// One-time lock
*mutex.lock().unwrap() = 9;

// Cheap lock-free access.
assert_eq!(*mutex, 9);

OnceMutex

A mutex providing one-time synchronized access, then safe lock-free access.

Use the crates.io repository; add this to your Cargo.toml along with the rest of your dependencies:

[dependencies]
once-mutex = "*"