class Sys::Process::Constant {
  native static method EXIT_FAILURE : int ();

  native static method EXIT_SUCCESS : int ();

  native static method WNOHANG : int ();

  native static method WUNTRACED : int ();

  native static method WCONTINUED : int ();

  native static method PRIO_PROCESS : int ();

  native static method PRIO_PGRP : int ();

  native static method PRIO_USER : int ();
}