size_t size;
	int err;

	sigfillset(&ign);
	pthread_sigmask(SIG_SETMASK, &ign, &oset);

	pthread_attr_init(&attr);
	pthread_attr_getstacksize(&attr, &size);
	// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
	ts->g->stackhi = size;
	err = _cgo_try_pthread_create(&p, &attr, threadentry, ts);

	pthread_sigmask(SIG_SETMASK, &oset, nil);

	if (err != 0) {
		fatalf("pthread_create failed: %s", strerror(err));

	size_t size;
	int err;

	sigfillset(&ign);
	pthread_sigmask(SIG_SETMASK, &ign, &oset);

	pthread_attr_init(&attr);
	pthread_attr_getstacksize(&attr, &size);
	// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
	ts->g->stackhi = size;
	err = _cgo_try_pthread_create(&p, &attr, threadentry, ts);

	pthread_sigmask(SIG_SETMASK, &oset, nil);

	if (err != 0) {
		fatalf("pthread_create failed: %s", strerror(err));

	size_t size;
	int err;

	SIGFILLSET(ign);
	pthread_sigmask(SIG_SETMASK, &ign, &oset);

	pthread_attr_init(&attr);
	pthread_attr_getstacksize(&attr, &size);
	// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
	ts->g->stackhi = size;
	err = _cgo_try_pthread_create(&p, &attr, threadentry, ts);

	pthread_sigmask(SIG_SETMASK, &oset, nil);

	if (err != 0) {
		fatalf("pthread_create failed: %s", strerror(err));

// Keep the channels visible from Go.
var chans [4]chan bool

// Double return value is just for testing.
//
//export GoStart
func GoStart(i, xdim, ydim, xstart, xend, ystart, yend C.int, a *C.int, n *C.int) (int, int) {
	c := make(chan bool, int(C.MYCONST))
	go func() {
		C.DoStep(xdim, ydim, xstart, xend, ystart, yend, a, n)
		c <- true
	}()
	chans[i] = c
	return int(i), int(i + 100)
}

//export GoWait

	// Remove the setting if value is "".
	if value == "" {
		start, sep, end, _ := t.findTypeForKey(key)
		if start != sep {
			// Remove a possible empty extension.
			switch {
			case t.str[start-2] != '-': // has previous elements.
			case end == len(t.str), // end of string
				end+2 < len(t.str) && t.str[end+2] == '-': // end of extension
				start -= 2
			}
			if start == int(t.pVariant) && end == len(t.str) {
				t.str = ""

// REG_Vx & 63 == x + 32
func TestRegValueAlignment(t *testing.T) {
	tstFunc := func(rstart, rend, msk, rout int) {
		for i := rstart; i <= rend; i++ {
			if i&msk != rout {
				t.Errorf("%v is not aligned to 0x%X (expected %d, got %d)\n", rconv(i), msk, rout, rstart&msk)
			}
			rout++
		}
	}
	var testType = []struct {
		rstart int
		rend   int
		msk    int
		rout   int
	}{
		{REG_VS0, REG_VS63, 63, 0},

	size_t size;
	int err;

	sigfillset(&ign);
	pthread_sigmask(SIG_SETMASK, &ign, &oset);

	pthread_attr_init(&attr);
	pthread_attr_getstacksize(&attr, &size);
	// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
	ts->g->stackhi = size;
	err = _cgo_try_pthread_create(&p, &attr, threadentry, ts);

	pthread_sigmask(SIG_SETMASK, &oset, nil);

	if (err != 0) {
		fatalf("pthread_create failed: %s", strerror(err));

    o << ": ";
    o << x.second;
    o << ", ";
  }
  o << "}";
  return o;
}
template <class IT>
inline std::ostream& OutList(std::ostream& o, IT v_start, IT const v_end,
                             char start, char end) {
  o << start;
  for (IT p = v_start; p != v_end; ++p) {
    o << *p;
    o << ", ";
  }
  o << end;
  return o;
}

class TaggedValueIOStreamVisitor {
  std::ostream& o_;

Rama Chavali <******@****.***> 1716199771 +0530

	pthread_sigmask(SIG_SETMASK, &ign, &oset);

	size = pthread_get_stacksize_np(pthread_self());
	pthread_attr_init(&attr);
	pthread_attr_setstacksize(&attr, size);
	// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
	ts->g->stackhi = size;
	err = _cgo_try_pthread_create(&p, &attr, threadentry, ts);

	pthread_sigmask(SIG_SETMASK, &oset, nil);

	if (err != 0) {