}

func (u *subscriptionUnion) subscriptionClock() *subscriptionClock {
	return (*subscriptionClock)(unsafe.Pointer(&u[1]))
}

func (u *subscriptionUnion) subscriptionFdReadwrite() *subscriptionFdReadwrite {
	return (*subscriptionFdReadwrite)(unsafe.Pointer(&u[1]))
}

//go:wasmimport wasi_snapshot_preview1 poll_oneoff
//go:noescape

	return 0
}

const disarmed = 0xFFFF

func netpollarm(pd *pollDesc, mode int) {
	lock(&mtx)

	var s subscription

	s.userdata = userdata(uintptr(unsafe.Pointer(pd)))

	fdReadwrite := s.u.subscriptionFdReadwrite()
	fdReadwrite.fd = int32(pd.fd)

	ridx := int(pd.user >> 16)
	widx := int(pd.user & 0xFFFF)

	if (mode == 'r' && ridx != disarmed) || (mode == 'w' && widx != disarmed) {
		unlock(&mtx)
		return
	}