func(_ *suiteContext) int {
			return m.Run()
		},
		os.Exit,
		getSettings)
}

func newSuite(testID string, fn mRunFn, osExit func(int), getSettingsFn getSettingsFunc) *suiteImpl {
	s := &suiteImpl{
		testID:      testID,
		mRun:        fn,
		osExit:      osExit,
		getSettings: getSettingsFn,
		labels:      label.NewSet(),
	}

	return s
}

	defer rtMu.Unlock()
	rt = nil
}

// Create a bogus environment for testing. This can be removed when "environments" are removed
func newTestSuite(testID string, fn mRunFn, osExit func(int), getSettingsFn getSettingsFunc) *suiteImpl {
	s := newSuite(testID, fn, osExit, getSettingsFn)
	s.envFactory = func(ctx resource.Context) (resource.Environment, error) {
		return kube.FakeEnvironment{}, nil
	}
	return s
}

      frame_id = cycles->NewNode();
    }
    return frame_id;
  };

  for (Edge const* edge : graph->edges()) {
    if (edge->dst()->IsEnter() || edge->src()->IsExit()) {
      const char* src_type = "pre-enter";
      const char* dst_type = "post-exit";
      int src = edge->src()->id();
      int dst = edge->dst()->id();

      if (edge->dst()->IsEnter()) {

  // TODO(skyewm): handle NoGradient in while loop
  if (summed_grads == NoGradient()) {
    return errors::Unimplemented(
        "Missing gradient into while loop not yet implemented");
  }

  DCHECK(exit_node->IsExit());
  WhileContext* while_ctx = exit_node->while_ctx();
  DCHECK(while_ctx != nullptr);

  // Record 'summed_grads' as the backprop input associated with 'exit_node'

// At this point all signals are blocked, so there is no race.
//
//go:nosplit
func netbsdMstart0() {
	st := stackt{ss_flags: _SS_DISABLE}
	sigaltstack(&st, nil)
	mstart0()
}

func osinit() {
	ncpu = getncpu()
	if physPageSize == 0 {
		physPageSize = getPageSize()
	}
	needSysmonWorkaround = getOSRev() < 902000000 // NetBSD 9.2
}

var urandom_dev = []byte("/dev/urandom\x00")

	for {
		var b byte
		entersyscallblock()
		n := read(sigNoteRead, unsafe.Pointer(&b), 1)
		exitsyscall()
		if n != -_EINTR {
			return
		}
	}
}

// BSD interface for threading.
func osinit() {
	// pthread_create delayed until end of goenvs so that we
	// can look at the environment first.

	ncpu = getncpu()
	physPageSize = getPageSize()

	osinit_hack()
}

	if fd >= 0 {
		read(fd, unsafe.Pointer(&b), int32(len(b)))
		closefd(fd)
	}
	c := b[:]
	for c[0] == ' ' || c[0] == '\t' {
		c = c[1:]
	}
	return uint64(_atoi(c))
}

func osinit() {
	physPageSize = getPageSize()
	initBloc()
	ncpu = getproccount()
	getg().m.procid = getpid()
}

//go:nosplit
func crash() {
	notify(nil)
	*(*int)(nil) = 0
}

//go:nosplit

// -buildmode=c-archive or -buildmode=c-shared.
// None of the Go runtime is initialized.
//
//go:nosplit
//go:nowritebarrierrec
func libpreinit() {
	initsig(true)
}

func osinit() {
	ncpu = getncpu()
	if physPageSize == 0 {
		physPageSize = getPageSize()
	}
}

var urandom_dev = []byte("/dev/urandom\x00")

//go:nosplit
func readRandom(r []byte) int {

func getPageSize() uintptr {
	n := int32(sysconf(__SC_PAGESIZE))
	if n <= 0 {
		return 0
	}
	return uintptr(n)
}

func osinit() {
	// Call miniterrno so that we can safely make system calls
	// before calling minit on m0.
	asmcgocall(unsafe.Pointer(abi.FuncPCABI0(miniterrno)), unsafe.Pointer(&libc____errno))

	ncpu = getncpu()

}

// sigsetAllExiting is used by sigblock(true) when a thread is
// exiting.
var sigsetAllExiting = func() sigset {
	res := sigset_all

	// Apply GOOS-specific overrides here, rather than in osinit,
	// because osinit may be called before sigsetAllExiting is
	// initialized (#51913).
	if GOOS == "linux" && iscgo {
		// #42494 glibc and musl reserve some signals for
		// internal use and require they not be blocked by