runtime.spanSet.spineLock (field)

8 uses

	runtime (current package)
		mcentral.go#L48: 	lockInit(&c.partial[0].spineLock, lockRankSpanSetSpine)
		mcentral.go#L49: 	lockInit(&c.partial[1].spineLock, lockRankSpanSetSpine)
		mcentral.go#L50: 	lockInit(&c.full[0].spineLock, lockRankSpanSetSpine)
		mcentral.go#L51: 	lockInit(&c.full[1].spineLock, lockRankSpanSetSpine)
		mspanset.go#L35: 	spineLock mutex
		mspanset.go#L90: 		lock(&b.spineLock)
		mspanset.go#L95: 			unlock(&b.spineLock)
		mspanset.go#L131: 		unlock(&b.spineLock)