}

func reflectOffsLock() {
	lock(&reflectOffs.lock)
	if raceenabled {
		raceacquire(unsafe.Pointer(&reflectOffs.lock))
	}
}

func reflectOffsUnlock() {
	if raceenabled {
		racerelease(unsafe.Pointer(&reflectOffs.lock))
	}
	unlock(&reflectOffs.lock)
}

// resolveNameOff should be an internal detail,
// but widely used packages access it using linkname.

	// until then.
	if raceenabled && mainStarted {
		raceacquire(unsafe.Pointer(&cbs.lock))
	}
}

func cbsUnlock() {
	if raceenabled && mainStarted {
		racerelease(unsafe.Pointer(&cbs.lock))
	}
	unlock(&cbs.lock)
}

// winCallback records information about a registered Go callback.
type winCallback struct {
	fn     *funcval // Go function

	semacquire1(&metricsSema, true, 0, 0, waitReasonSemacquire)
	if raceenabled {
		raceacquire(unsafe.Pointer(&metricsSema))
	}
}

func metricsUnlock() {
	if raceenabled {
		racerelease(unsafe.Pointer(&metricsSema))
	}
	semrelease(&metricsSema)
}

// initMetrics initializes the metrics map if it hasn't been yet.
//
// metricsSema must be held.
func initMetrics() {
	if metricsInit {

//go:linkname newTimer time.newTimer
func newTimer(when, period int64, f func(arg any, seq uintptr, delay int64), arg any, c *hchan) *timeTimer {
	t := new(timeTimer)
	t.timer.init(nil, nil)
	t.trace("new")
	if raceenabled {
		racerelease(unsafe.Pointer(&t.timer))
	}
	if c != nil {
		lockInit(&t.sendLock, lockRankTimerSend)
		t.isChan = true
		c.timer = &t.timer
		if c.dataqsiz == 0 {
			throw("invalid timer channel: no capacity")
		}