Method ReadUnlock

chapter7/patterns/semaphore/semaphore.go:228–231

ReadUnlock gives other goroutines waiting to read their opporunity.

(reader int)

// ReadUnlock gives other goroutines waiting to read their opporunity.
func (rw *readerWriter) ReadUnlock(reader int) {
	// Release the buffer back into the semaphore channel.
	rw.readerControl.Release(1)
}

// WriteLock blocks all reading so the write can happen safely.
func (rw *readerWriter) WriteLock() {