NewManager returns an initialized futex manager.

NewWaiter returns a new unqueued Waiter.

KindPrivate indicates a private futex (a futex syscall with the FUTEX_PRIVATE_FLAG set).

KindSharedMappable indicates a shared futex on a memory mapping other than a private anonymous memory mapping.

KindSharedPrivate indicates a shared futex on a private memory mapping.

An AtomicPtr is a pointer to a value of type Value that can be atomically loaded and stored.

Key represents something that a futex waiter may wait on.

Manager holds futex state for a single virtual address space.

Waiter is the struct which gets enqueued into buckets for wake up routines and requeue routines to scan and notify.

Target abstracts memory accesses and keys.

KeyKind indicates the type of a Key.