-- | 'runIO' is wrapped around every @foreign export@ and @foreign
-- import \"wrapper\"@ to mop up any uncaught exceptions.  Thus, the
-- result of running 'System.Exit.exitWith' in a foreign-exported
-- function is the same as in the main thread: it terminates the
-- program.
--
runIO :: IO a -> IO a
runIO main = catch main topHandler
runIO :: IO a -> IO a
runIO main = catch main topHandler
runIO main = catch main topHandler