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{-# LANGUAGE CPP,ForeignFunctionInterface #-}
import Control.Concurrent
import Data.Functor
import Foreign.C
import System.IO
#if defined(mingw32_HOST_OS)
sleep n = sleepBlock (n*1000)
foreign import stdcall safe "Sleep" sleepBlock :: Int -> IO ()
#else
sleep n = void $ sleepBlock n
foreign import ccall safe "sleep" sleepBlock :: Int -> IO Int
#endif
main :: IO ()
main = do
hSetBuffering stdout LineBuffering
tid <- forkIO $ do
putStrLn "child: Sleeping"
_ <- sleep 1
-- The following lines should not happen after the killThread from the
-- parent thread completes. However, they do...
-- putStrLn "child: Done sleeping"
threadDelay 100000
putStrLn "child: Done waiting"
threadDelay 100000
-- putStrLn $ "parent: Throwing exception to thread " ++ show tid
throwTo tid $ userError "Exception delivered successfully"
putStrLn "parent: Done throwing exception"
threadDelay 200000
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