rocess) {
    this.process = options.process;
    this.process.on('error', (code, signal) =>
      this.emit('error', code, signal)
    );
    this.process.on('message', (message, handle) =>
      this.emit('message', message, handle)
    );
  }
}

util.inherits(Worker, EventEmitter);

Worker.prototype.kill = function() {
  this.destroy.apply(this, arguments);
};

Worker.prototype.send = function() {
  return this.process.send.apply(this.process, arguments);
};

Worker.prototype.isDead = function() {
  return this.process.exitCode != null || this.process.signalCode != null;
};

Worker.prototype.isConnected = function() {
  return this.process.connected;
};