Linux futex-based implementations of Mutex, RwLock, and CondVar, derived
from the futex code in std, factored out to a standalone no_std crate using
rustix to do the futex and lock_api to provide most of the public API.
Linux futex-based implementations of Mutex, RwLock, and CondVar, derived
from the futex code in std, factored out to a standalone no_std crate using
rustix to do the futex and lock_api to provide most of the public API.