OnceMutex

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

Usage

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

[dependencies]
once-mutex = "*"

Author

Jonathan Reem is the primary author and maintainer of OnceMutex.

License

MIT/Apache-2.0

lib.rs:

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);