return
		}
	}
}

// timeSleepUntil returns the time when the next timer should fire. Returns
// maxWhen if there are no timers.
// This is only called by sysmon and checkdead.
func timeSleepUntil() int64 {
	next := int64(maxWhen)

	// Prevent allp slice changes. This is like retake.
	lock(&allpLock)
	for _, pp := range allp {
		if pp == nil {

	pollUntil atomic.Int64 // time to which current poll is sleeping

	lock mutex

	// When increasing nmidle, nmidlelocked, nmsys, or nmfreed, be
	// sure to call checkdead().

	midle        muintptr // idle m's waiting for work
	nmidle       int32    // number of idle m's waiting for work
	nmidlelocked int32    // number of locked m's waiting for work