docs: function dropPrivileges() {
    var strInfo;
    if (process.setgid) {
      var group = config.group;
      if (typeof group === 'string') {
        process.setgid(group);
        strInfo = group;
      }
    }
    if (process.setuid) {
      var user = config.user;
      if (typeof user === 'string') {
        process.setuid(user);
        if (strInfo)
          strInfo = user + ":" + strInfo;
        else
          strInfo = user;
      }
    }
    if (!droppedPrivileges && strInfo)
      logNotice("Dropped privileges to: " + strInfo);
    droppedPrivileges = true;
  }