type runtime.waitq

6 uses

	runtime (current package)
		chan.go#L44: 	recvq    waitq  // list of recv waiters
		chan.go#L45: 	sendq    waitq  // list of send waiters
		chan.go#L57: type waitq struct {
		chan.go#L872: func (q *waitq) enqueue(sgp *sudog) {
		chan.go#L886: func (q *waitq) dequeue() *sudog {
		select.go#L627: func (q *waitq) dequeueSudoG(sgp *sudog) {