kubernetes/pkg/kubelet/kuberuntime/kuberuntime_termination_order.go

type terminationOrdering …

// newTerminationOrdering constructs a terminationOrdering based on the pod spec and the currently running containers.
func newTerminationOrdering(pod *v1.Pod, runningContainerNames []string) *terminationOrdering { … }

// waitForTurn waits until it is time for the container with the specified name to begin terminating, up until
// the specified grace period.  If gracePeriod = 0, there is no wait.
func (o *terminationOrdering) waitForTurn(name string, gracePeriod int64) float64 { … }

// containerTerminated should be called once the container with the specified name has exited.
func (o *terminationOrdering) containerTerminated(name string) { … }