static L<MyHTTPD> serveHttp_multiplePorts_servers = synchroList();

static void serveHttp_multiplePorts(int... ports) ctex {
  for (int port : ports) {
    MyHTTPD httpd = new MyHTTPD(port);
    serveHttp_multiplePorts_servers.add(httpd);
    httpd.start();
  }
}

static void cleanMeUp_serveHttp_multiplePorts() {
  for (MyHTTPD httpd : cloneList(serveHttp_multiplePorts_servers)) {
    pcall { httpd.stop(); }
    serveHttp_multiplePorts_servers.remove(httpd);
  }
}

Began life as a copy of #1001648