)

func startProcess(name string, argv []string, attr *ProcAttr) (p *Process, err error) {
	// If there is no SysProcAttr (ie. no Chroot or changed
	// UID/GID), double-check existence of the directory we want
	// to chdir into. We can make the error clearer this way.
	if attr != nil && attr.Sys == nil && attr.Dir != "" {
		if _, err := Stat(attr.Dir); err != nil {
			pe := err.(*PathError)
			pe.Op = "chdir"

  bool IsValueInitValue(const DenseElementsAttr& attr) const override {
    auto element_type = attr.getType().getElementType();
    if (attr.getNumElements() != 1 || !element_type.isIntOrFloat())
      return false;
    if (mlir::isa<FloatType>(element_type)) {
      auto value = *attr.value_begin<APFloat>();
      return value.isNegative() && value.isInfinity();

// and writes X, Y as 32-bit integer attribute to `x`, `y`.
bool TFIntListIs1XY1(Operation *op, StringRef name, IntegerAttr *x,
                     IntegerAttr *y) {
  auto attr = op->getAttrOfType<ArrayAttr>(name);
  if (!attr) return false;

  auto elements = attr.getValue();
  if (elements.size() != 4 ||
      std::any_of(elements.begin(), elements.end(),
                  [](Attribute e) { return !mlir::isa<IntegerAttr>(e); }))

  }
}

// Shuffle elements in the `attr` according to the permutation. Optional
// `inner_size` allows to shuffle array attributes created from rank 2 tensors
// on outer dimension only.
ArrayAttr ShuffleArrayAttr(ArrayAttr attr, ArrayRef<int64_t> permutation,
                           int inner_size) {
  if (attr.empty()) return attr;

  assert(attr.size() % inner_size == 0);
  assert(attr.size() / inner_size == permutation.size());

                    if (attributesSize > 0 || namespacesSize > 0) {
                        attrs = new HashMap<>();
                        for (int i = 0; i < namespacesSize; i++) {
                            String nsPrefix = parser.getNamespacePrefix(i);
                            String nsUri = parser.getNamespaceURI(i);
                            attrs.put(nsPrefix != null && !nsPrefix.isEmpty() ? "xmlns:" + nsPrefix : "xmlns", nsUri);

      }
    }
  }
  return success();
}

void ModifyIONodesPass::runOnOperation() {
  auto func = getOperation();
  auto attrs = func->getAttrOfType<mlir::DictionaryAttr>("tf.entry_function");

  // Handle the entry functions only.
  if (func.getName() != "main" && (!attrs || attrs.empty())) {
    return;
  }

  OpBuilder builder(func);
  FunctionType func_type = func.getFunctionType();

}

var zeroProcAttr ProcAttr
var zeroSysProcAttr SysProcAttr

func forkExec(argv0 string, argv []string, attr *ProcAttr) (pid int, err error) {
	var p [2]int
	var n int
	var err1 Errno
	var wstatus WaitStatus

	if attr == nil {
		attr = &zeroProcAttr
	}
	sys := attr.Sys
	if sys == nil {
		sys = &zeroSysProcAttr
	}

	// Convert args to C form.

void go_callback2();

static void *thr(void *arg) {
    go_callback();
    return 0;
}

static void foo() {
    pthread_t th;
    pthread_attr_t attr;
    pthread_attr_init(&attr);
    pthread_attr_setstacksize(&attr, 256 << 10);
    pthread_create(&th, &attr, thr, 0);
    pthread_join(th, 0);
}

static void bar() {
    go_callback2();
}
*/
import "C"

import (
	"log"
	"os"
	"runtime"

    Attribute real_value) {
  if (auto attr = dyn_cast<DenseFPElementsAttr>(real_value)) {
    return convert(attr);
  }
  return nullptr;
}

DenseElementsAttr UniformQuantizedPerAxisValueConverter::convert(
    DenseFPElementsAttr attr) {
  // Creates the converter for each chunk. Normally the size of the
  // quantization dim is 3, so we can cache all the converters.
  ShapedType type = attr.getType();

						// t must be an empty interface. So it can also be an Attr.
						// We don't know enough to make an assumption.
						pos = unknown
						continue
					} else if attrType != nil && types.AssignableTo(attrType, t) {
						// Assume it is an Attr.
						pos = key
						continue
					}
					// Can't be either a string or Attr. Definitely an error.
					fallthrough
				default: