gistfile1.txt

// this function happens on the thread pool
// doing v8 things in here will make bad happen.
static int DoSomething (eio_req *req) {
  struct simple_request * sr = (struct simple_request *)req->data;
  //sleep(2); // just to make it less pointless to be async.
  //req->result = sr->x + sr->y;
  req->result = bayesian_test(sr->x, sr->y, sr->name);
  return 0;
}


static int DoSomething_After (eio_req *req) {
  HandleScope scope;
  ev_unref(EV_DEFAULT_UC);
  struct simple_request * sr = (struct simple_request *)req->data;
  Local<Value> argv[3];
  argv[0] = Local<Value>::New(Null()); //cb(er)
  argv[1] = String::New(req->result); //cb(res)
  argv[2] = String::New(sr->name); //cb(n)
  TryCatch try_catch;
  sr->cb->Call(Context::GetCurrent()->Global(), 3, argv);
  if (try_catch.HasCaught()) {
    FatalException(try_catch);
  }
  sr->cb.Dispose();
  free(sr);
  return 0;
}