git-annex/Assistant/NamedThread.hs

30 lines
751 B
Haskell

{- git-annex assistant named threads.
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Assistant.NamedThread where
import Assistant.Common
import Assistant.DaemonStatus
import Assistant.Alert
import qualified Control.Exception as E
runNamedThread :: NamedThread -> Assistant ()
runNamedThread (NamedThread name a) = do
d <- getAssistant id
liftIO . go $ d { threadName = name }
where
go d = do
r <- E.try (runAssistant d a) :: IO (Either E.SomeException ())
case r of
Right _ -> noop
Left e -> do
let msg = unwords [name, "crashed:", show e]
hPutStrLn stderr msg
-- TODO click to restart
runAssistant d $ void $
addAlert $ warningAlert name msg