Method waitForTask

worker/draft.go:206–214

(id op)

}

func (n *node) waitForTask(id op) {
	n.opsLock.Lock()
	closer, ok := n.ops[id]
	n.opsLock.Unlock()
	if !ok {
		return
	}
	closer.Wait()
}

func (n *node) isRunningTask(id op) bool {
	n.opsLock.Lock()