Acknowledge the receipt of a preemption signal.

Acknowledged returns whether a preemption signal has been acknowledged.

New initializes a Preemption and returns it.

Preempt preempts all watchers, marks us as preempted and begins the preemption deadline.

Register a preempitble to default service.

Unregister removes a preemptible from the service.

Unwatch removes a preemption watcher.

Watch sets a watcher up to listen for preemption signals and returns it.

ErrPreemptionDisabled indicates that an alloction is either non-preemptible or not running.

Preemptible represents the preemption status of an allocation.

Watcher contains a channel which can be polled for a preemption signal.

TimeoutFn is called when preemption deadlines are exceeded.