-- | All exit codes that the program can return (excepting
--   ExitSuccess).
module ExitCodes (
  exit_no_usernames,
  exit_pidfile_exists )
where


-- | No usernames found on either the command-line or in a config
--   file.
exit_no_usernames :: Int
exit_no_usernames = 1


-- | When running as a daemon, the existence of a fixed PID file is
--   used to determine whether or not the daemon is already
--   running. If the PID file already exists, we shouldn't start.
--
exit_pidfile_exists :: Int
exit_pidfile_exists = 2