if ret64 != int64(int32(ret64)) {
				// Simulate timediv overflow value.
				ret64 = 1<<31 - 1
				rem64 = 0
			}
			if ret64 != int64(tc.ret) {
				t.Errorf("%d / %d got ret %d rem %d want ret %d rem %d", tc.num, tc.div, ret64, rem64, tc.ret, tc.rem)
			}

			var rem int32
			ret := Timediv(tc.num, tc.div, &rem)
			if ret != tc.ret || rem != tc.rem {

	}
	if unsafe.Offsetof(y1.y) != 1 {
		throw("bad offsetof y1.y")
	}
	if unsafe.Sizeof(y1) != 2 {
		throw("bad unsafe.Sizeof y1")
	}

	if timediv(12345*1000000000+54321, 1000000000, &e) != 12345 || e != 54321 {
		throw("bad timediv")
	}

	var z uint32
	z = 1
	if !atomic.Cas(&z, 1, 2) {
		throw("cas1")
	}
	if z != 2 {
		throw("cas2")
	}

	z = 4

	// the OS clean up threads.
	throw("exitThread")
}

//go:nosplit
func semacreate(mp *m) {
}

//go:nosplit
func semasleep(ns int64) int {
	gp := getg()
	if ns >= 0 {
		ms := timediv(ns, 1000000, nil)
		if ms == 0 {
			ms = 1
		}
		ret := plan9_tsemacquire(&gp.m.waitsemacount, ms)
		if ret == 1 {
			return 0 // success
		}
		return -1 // timeout or interrupted
	}

		escapeSink = x
	}
	return x
}

// Acquirem blocks preemption.
func Acquirem() {
	acquirem()
}

func Releasem() {
	releasem(getg().m)
}

var Timediv = timediv

type PIController struct {
	piController
}

func NewPIController(kp, ti, tt, min, max float64) *PIController {
	return &PIController{piController{
		kp:  kp,
		ti:  ti,
		tt:  tt,

	)

	var result uintptr
	if ns < 0 {
		result = stdcall2(_WaitForSingleObject, getg().m.waitsema, uintptr(_INFINITE))
	} else {
		start := nanotime()
		elapsed := int64(0)
		for {
			ms := int64(timediv(ns-elapsed, 1000000, nil))
			if ms == 0 {
				ms = 1
			}
			result = stdcall4(_WaitForMultipleObjects, 2,
				uintptr(unsafe.Pointer(&[2]uintptr{getg().m.waitsema, getg().m.resumesema})),
				0, uintptr(ms))

//go:noescape
func setitimer(mode int32, new, old *itimerval)

//go:noescape
func timer_create(clockid int32, sevp *sigevent, timerid *int32) int32

//go:noescape
func timer_settime(timerid int32, flags int32, new, old *itimerspec) int32

//go:noescape
func timer_delete(timerid int32) int32

//go:noescape
func rtsigprocmask(how int32, new, old *sigset, size int32)

//go:nosplit
//go:nowritebarrierrec

// func timer_create(clockid int32, sevp *sigevent, timerid *int32) int32
TEXT runtime·timer_create(SB),NOSPLIT,$0-28
	MOVW	clockid+0(FP), A0
	MOV	sevp+8(FP), A1
	MOV	timerid+16(FP), A2
	MOV	$SYS_timer_create, A7
	ECALL
	MOVW	A0, ret+24(FP)
	RET

// func timer_settime(timerid int32, flags int32, new, old *itimerspec) int32
TEXT runtime·timer_settime(SB),NOSPLIT,$0-28
	MOVW	timerid+0(FP), A0
	MOVW	flags+4(FP), A1

        outputLines[1] == "Timed out task ':block' has not yet stopped."
        outputLines[outputLines.size() - 1] == "Timed out task ':block' has stopped."

        and:
        def logging = taskLogging(":block")
        logging[0] == "Requesting stop of task ':block' as it has exceeded its configured timeout of 500ms."
        logging[1] == "Timed out task ':block' has not yet stopped."

// func timer_create(clockid int32, sevp *sigevent, timerid *int32) int32
TEXT runtime·timer_create(SB),NOSPLIT,$0-28
	MOVW	clockid+0(FP), R4
	MOVV	sevp+8(FP), R5
	MOVV	timerid+16(FP), R6
	MOVV	$SYS_timer_create, R11
	SYSCALL
	MOVW	R4, ret+24(FP)
	RET

// func timer_settime(timerid int32, flags int32, new, old *itimerspec) int32
TEXT runtime·timer_settime(SB),NOSPLIT,$0-28
	MOVW	timerid+0(FP), R4
	MOVW	flags+4(FP), R5

    }
  }

  private Outcome doCall() {
    boolean guarded = isGuarded(method);
    boolean timed = isTimed(method);
    Object[] arguments = new Object[(guarded ? 1 : 0) + (timed ? 2 : 0)];
    if (guarded) {
      arguments[0] = guard;
    }
    if (timed) {
      arguments[arguments.length - 2] = timeout.millis;
      arguments[arguments.length - 1] = TimeUnit.MILLISECONDS;
    }