const sync.rwmutexMaxReaders

7 uses

	sync (current package)
		rwmutex.go#L36: const rwmutexMaxReaders = 1 << 30
		rwmutex.go#L119: 	if r+1 == 0 || r+1 == -rwmutexMaxReaders {
		rwmutex.go#L141: 	r := atomic.AddInt32(&rw.readerCount, -rwmutexMaxReaders) + rwmutexMaxReaders
		rwmutex.go#L169: 	if !atomic.CompareAndSwapInt32(&rw.readerCount, 0, -rwmutexMaxReaders) {
		rwmutex.go#L198: 	r := atomic.AddInt32(&rw.readerCount, rwmutexMaxReaders)
		rwmutex.go#L199: 	if r >= rwmutexMaxReaders {