const
   POLLIN = $001;
   POLLPRI = $002;
   POLLOUT = $004;

   POLLRDNORM = $040;
   POLLRDBAND = $080;
   POLLWRNORM = $100;
   POLLWRBAND = $200;

   POLLMSG = $400;

   POLLERR = $008;
   POLLHUP = $010;
   POLLNVAL = $020;


{ ---------------------------------------------------------------------
    Borland compatibility types
  ---------------------------------------------------------------------}

// Type