src/ExitCodes.hs

   1 -- |All exit codes that the program can return (excepting
   2 -- ExitSuccess). There's only one, since the program will try and fail
   3 -- forever upon errors.
   4 module ExitCodes (
   5   exit_no_feed_hosts,
   6   exit_no_password,
   7   exit_no_username,
   8   exit_pidfile_exists )
   9 where
  10
  11 -- | No feed hosts were given on the command line or in the config file.
  12 exit_no_feed_hosts :: Int
  13 exit_no_feed_hosts = 1
  14
  15 -- | No password was given on the command line or in the config file.
  16 exit_no_password :: Int
  17 exit_no_password = 2
  18
  19 -- | No username was given on the command line or in the config file.
  20 exit_no_username :: Int
  21 exit_no_username = 3
  22
  23 -- | When running as a daemon, the existence of a fixed PID file is
  24 --   used to determine whether or not the daemon is already
  25 --   running. If the PID file already exists, we shouldn't start.
  26 exit_pidfile_exists :: Int
  27 exit_pidfile_exists = 4