Close child's stdin

child.js

console.log('Hello');
var stdin = process.openStdin();
stdin.on('data', function (d) {
  console.log('Oh, I can exit now');
  stdin.pause();
});
process.on('exit', function () {
  console.log('Oh, I am exitting now');
});
setTimeout(function () {
  console.log('real exit');
}, 1000);

parent.js

var spawn = require('child_process').spawn;

var c = spawn('node', ['child.js']);
c.stdin.destroy();
c.stdout.pipe(process.stdout);
c.stderr.pipe(process.stderr);