success = true
			break
		}
		time.Sleep(20 * time.Millisecond)
	}
	if !success {
		t.Fatal("finalizer not asleep?")
	}

	argRegsBefore := runtime.SetIntArgRegs(abi.IntArgRegs)
	defer runtime.SetIntArgRegs(argRegsBefore)

	tests := []struct {
		name         string
		fin          any
		confirmValue int
	}{
		{"Pointer", regFinalizerPointer, -1},
		{"Interface", regFinalizerIface, -2},

func TestStdcallAndCDeclCallbacks(t *testing.T) {
	if _, err := exec.LookPath("gcc"); err != nil {
		t.Skip("skipping test: gcc is missing")
	}
	tmp := t.TempDir()

	oldRegs := runtime.SetIntArgRegs(abi.IntArgRegs)
	defer runtime.SetIntArgRegs(oldRegs)

	for _, dll := range cbDLLs {
		t.Run(dll.name, func(t *testing.T) {
			dllPath := dll.build(t, tmp)
			dll := syscall.MustLoadDLL(dllPath)
			defer dll.Release()

}

func (th *TimeHistogram) Record(duration int64) {
	(*timeHistogram)(th).record(duration)
}

var TimeHistogramMetricsBuckets = timeHistogramMetricsBuckets

func SetIntArgRegs(a int) int {
	lock(&finlock)
	old := intArgRegs
	if a >= 0 {
		intArgRegs = a
	}
	unlock(&finlock)
	return old
}

func FinalizerGAsleep() bool {