}
	n.key = 1
}

func notesleep(n *note) {
	throw("notesleep not supported by wasi")
}

func notetsleep(n *note, ns int64) bool {
	throw("notetsleep not supported by wasi")
	return false
}

// same as runtime·notetsleep, but called on user g (not g0)
func notetsleepg(n *note, ns int64) bool {
	gp := getg()
	if gp == gp.m.g0 {
		throw("notetsleepg on g0")
	}

	deadline := nanotime() + ns

	return atomic.Load(key32(&n.key)) != 0
}

func notetsleep(n *note, ns int64) bool {
	gp := getg()
	if gp != gp.m.g0 && gp.m.preemptoff != "" {
		throw("notetsleep not on g0")
	}

	return notetsleep_internal(n, ns)
}

// same as runtime·notetsleep, but called on user g (not g0)
// calls only nosplit functions between entersyscallblock/exitsyscall.
func notetsleepg(n *note, ns int64) bool {
	gp := getg()

		semawakeup((*m)(unsafe.Pointer(v)))
	}
}

func notesleep(n *note) {
	gp := getg()
	if gp != gp.m.g0 {
		throw("notesleep not on g0")
	}
	semacreate(gp.m)
	if !atomic.Casuintptr(&n.key, 0, uintptr(unsafe.Pointer(gp.m))) {
		// Must be locked (got wakeup).
		if n.key != locked {
			throw("notesleep - waitm out of sync")
		}
		return
	}
	// Queued. Sleep.

		goready(notes[n], 1)
	}
}

func notesleep(n *note) {
	throw("notesleep not supported by js")
}

func notetsleep(n *note, ns int64) bool {
	throw("notetsleep not supported by js")
	return false
}

// same as runtime·notetsleep, but called on user g (not g0)
func notetsleepg(n *note, ns int64) bool {
	gp := getg()
	if gp == gp.m.g0 {
		throw("notetsleepg on g0")
	}

	if ns >= 0 {

				unlock(&rw.rLock)
			} else {
				// Queue this reader to be woken by
				// the writer.
				m := getg().m
				m.schedlink = rw.readers
				rw.readers.set(m)
				unlock(&rw.rLock)
				notesleep(&m.park)
				noteclear(&m.park)
			}
		})
	}
}

// runlock undoes a single rlock call on rw.
func (rw *rwmutex) runlock() {
	if r := rw.readerCount.Add(-1); r < 0 {

		// the note. It should normally be completely uncontended.
		lock(&netpollStubLock)

		lock(&netpollBrokenLock)
		noteclear(&netpollNote)
		netpollBroken = false
		unlock(&netpollBrokenLock)

		notetsleep(&netpollNote, delay)
		unlock(&netpollStubLock)
		// Guard against starvation in case the lock is contended
		// (eg when running TestNetpollBreak).
		osyield()
	}
	return gList{}, 0
}

	for i := 0; ; i++ {
		testSigtrap = h.inject
		noteclear(&h.done)
		h.err = ""

		if err := tkill(tid); err != nil {
			return nil, err
		}
		// Wait for completion.
		notetsleepg(&h.done, -1)
		if h.err != "" {
			switch h.err {
			case "call not at safe point":
				if returnOnUnsafePoint {
					// This is for TestDebugCallUnsafePoint.
					return nil, h.err
				}
				fallthrough

			case sigIdle:
				if sig.state.CompareAndSwap(sigIdle, sigReceiving) {
					if GOOS == "darwin" || GOOS == "ios" {
						sigNoteSleep(&sig.note)
						break Receive
					}
					notetsleepg(&sig.note, -1)
					noteclear(&sig.note)
					break Receive
				}
			case sigSending:
				if sig.state.CompareAndSwap(sigSending, sigIdle) {
					break Receive
				}
			}
		}