errno = libcCall(unsafe.Pointer(abi.FuncPCABI0(pipe2_trampoline)), unsafe.Pointer(&args))
	return p[0], p[1], errno
}
func pipe2_trampoline()

//go:nosplit
//go:cgo_unsafe_args
func setitimer(mode int32, new, old *itimerval) {
	libcCall(unsafe.Pointer(abi.FuncPCABI0(setitimer_trampoline)), unsafe.Pointer(&mode))
	KeepAlive(new)
	KeepAlive(old)
}
func setitimer_trampoline()

//go:nosplit

	n := sigset(0)
	if new != nil {
		n = *new
	}
	r := obsdsigprocmask(how, n)
	if old != nil {
		*old = r
	}
}

func pipe2(flags int32) (r, w int32, errno int32)

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

//go:noescape
func sysctl(mib *uint32, miblen uint32, out *byte, size *uintptr, dst *byte, ndst uintptr) int32

// mmap calls the mmap system call. It is implemented in assembly.

//go:noescape
func sigaltstack(new, old *stackt)

//go:noescape
func sigaction(sig uint32, new, old *sigactiont)

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

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

//go:noescape
func sysctl(mib *uint32, miblen uint32, out *byte, size *uintptr, dst *byte, ndst uintptr) int32

func raiseproc(sig uint32)

func lwp_gettid() int32

TEXT runtime·raiseproc(SB),NOSPLIT|NOFRAME,$0
	MOV	$SYS_getpid, T0
	ECALL
	// arg 1 pid - already in A0
	MOVW	sig+0(FP), A1	// arg 2
	MOV	$SYS_kill, T0
	ECALL
	RET

// func setitimer(mode int32, new, old *itimerval)
TEXT runtime·setitimer(SB),NOSPLIT|NOFRAME,$0-24
	MOVW	mode+0(FP), A0
	MOV	new+8(FP), A1
	MOV	old+16(FP), A2
	MOV	$SYS_setitimer, T0
	ECALL
	RET

	SVC
	RET

// func raiseproc(sig uint32)
TEXT runtime·raiseproc(SB),NOSPLIT|NOFRAME,$0
	MOVD	$SYS_getpid, R8
	SVC
	MOVW	sig+0(FP), R1
	MOVD	$SYS_kill, R8
	SVC
	RET

// func setitimer(mode int32, new, old *itimerval)
TEXT runtime·setitimer(SB),NOSPLIT|NOFRAME,$0-24
	MOVW	mode+0(FP), R0
	MOVD	new+8(FP), R1
	MOVD	old+16(FP), R2
	MOVD	$SYS_setitimer, R8
	SVC
	RET

        when:
        setTime(51243)

        then:
        timer.getElapsed() == "51.243 secs"
    }

    def testOnlySecondsEvenMs() {
        when:
        setTime(4000)

        then:
        timer.getElapsed() == "4.0 secs"
    }

    def testMinutesAndSeconds() {
        when:
        setTime(0, 32, 40, 322)

        then:

	}

	now := time.Now()
	fakeClock.SetTime(now.Add(-61 * time.Minute))
	tracker.Set("k1", 61)
	fakeClock.SetTime(now.Add(-60 * time.Minute))
	tracker.Set("k2", 60)
	// we are going to prune keys that are stale for >= 1h
	// so the above keys are expected to be pruned and the
	// key below should not be pruned.
	mostRecent := now.Add(-59 * time.Minute)
	fakeClock.SetTime(mostRecent)
	tracker.Set("k3", 59)

func exerciseSettablePassiveClock(t *testing.T, pc TestableEventClock) {
	t1 := time.Now()
	t2 := t1.Add(time.Hour)
	pc.SetTime(t1)
	tx := pc.Now()
	if tx != t1 {
		t.Errorf("SetTime(%#+v); Now() => %#+v", t1, tx)
	}
	dx := pc.Since(t1)
	if dx != 0 {
		t.Errorf("Since() => %v", dx)
	}
	pc.SetTime(t2)
	dx = pc.Since(t1)
	if dx != time.Hour {
		t.Errorf("Since() => %v", dx)
	}
	tx = pc.Now()

	// wait for longer than the maxBudget
	nextTime := time.Now().Add(10 * time.Second)
	fakeClock.SetTime(nextTime)
	if res := budget.takeAvailable(); res != budget.maxBudget {
		t.Errorf("Expected: %v, got: %v", budget.maxBudget, res)
	}
	// add two refresh intervals to accumulate 2*refresh durations
	nextTime = nextTime.Add(2 * time.Second)
	fakeClock.SetTime(nextTime)
	if res := budget.takeAvailable(); res != 2*budget.refresh {

		if !ok || limit != nil && t.After(*limit) {
			break
		}
		fec.SetTime(t)
	}
}

// SetTime sets the time and runs to completion all events that should
// be started by the given time --- including any further events they
// schedule
func (fec *Fake) SetTime(t time.Time) {
	fec.FakePassiveClock.SetTime(t)
	for {
		foundSome := false
		func() {
			fec.waitersLock.Lock()