A Linux-optimized drop-in replacement for std::sync::Once
This crate implements the same thing as std::sync::Once except it internally uses Linux futex
instead of CondVar. This leads to ridiculously simple code (compared to std) with no
unsafe and a bit better performance.
On non-Linux systems this crate just reexports Once from std so that you can
unconditionally import Once from this crate and it'll work just fine.
This crate can reach 1.0 very soon. Things to resolve before then: