Domain sample

(function (exports, require, module, __filename, __dirname) { // domain stack sample
var fs = require('fs'), domain = require('domain');

(function(i) {

  var d = domain.create(), nm = 'd' + i;

  d.run(acceptFn(nm, d));

})(0);

function acceptFn(name, d) {
  var timer = null;
  d.on('error', function(err) {
    clearTimeout(timer);
    console.log(name + ':', err.message);
  });
  return function() {
    timer = setTimeout(function() {
      throw new Error(name + ' Timeout');
    }, 300);
    setTimeout(function() {
      fs.readFile('aaa', hoge);
      clearTimeout(timer);
    }, 360);
  };
}
function hoge(err) {
  if(err)
    throw err;
  a.hoge;
}

});