// raceCtx is the race context used while executing timer functions.
	raceCtx uintptr

	// minWhenHeap is the minimum heap[i].when value (= heap[0].when).
	// The wakeTime method uses minWhenHeap and minWhenModified
	// to determine the next wake time.
	// If minWhenHeap = 0, it means there are no timers in the heap.
	minWhenHeap atomic.Int64

	// minWhenModified is a lower bound on the minimum