Function waitForCooldown

prometheus/histogram.go:1641–1645

waitForCooldown returns after the count field in the provided histogramCounts has reached the provided count value.

(count uint64, counts *histogramCounts)

// waitForCooldown returns after the count field in the provided histogramCounts
// has reached the provided count value.
func waitForCooldown(count uint64, counts *histogramCounts) {
	for count != atomic.LoadUint64(&counts.count) {
		runtime.Gosched() // Let observations get work done.
	}
}

// atomicAddFloat adds the provided float atomically to another float
// represented by the bit pattern the bits pointer is pointing to.