func runtime.futexsleep

5 uses

	runtime (current package)
		lock_futex.go#L107: 		futexsleep(key32(&l.key), mutex_sleeping, -1)
		lock_futex.go#L160: 		futexsleep(key32(&n.key), 0, ns)
		lock_futex.go#L183: 			futexsleep(key32(&n.key), 0, ns)
		lock_futex.go#L202: 		futexsleep(key32(&n.key), 0, ns)
		os_linux.go#L62: func futexsleep(addr *uint32, val uint32, ns int64) {