) where
import GHC.Base
-import GHC.Num
import GHC.Real
import GHC.Show
import Data.Maybe
-import Control.Monad
+-- import Control.Monad
import Foreign.C.Types
import GHC.MVar
import GHC.IO
import GHC.IO.Encoding
-import GHC.IO.Exception
+-- import GHC.IO.Exception
import GHC.IO.Device as IODevice
import GHC.IO.Exception
import GHC.IO.IOMode
-- | A handle managing input from the Haskell program's standard input channel.
stdin :: Handle
+{-# NOINLINE stdin #-}
stdin = unsafePerformIO $ do
-- ToDo: acquire lock
setBinaryMode FD.stdin
-- | A handle managing output to the Haskell program's standard output channel.
stdout :: Handle
+{-# NOINLINE stdout #-}
stdout = unsafePerformIO $ do
-- ToDo: acquire lock
setBinaryMode FD.stdout
-- | A handle managing output to the Haskell program's standard error channel.
stderr :: Handle
+{-# NOINLINE stderr #-}
stderr = unsafePerformIO $ do
-- ToDo: acquire lock
setBinaryMode FD.stderr
stdHandleFinalizer fp m = do
h_ <- takeMVar m
flushWriteBuffer h_
+ case haType h_ of
+ ClosedHandle -> return ()
+ _other -> closeTextCodecs h_
putMVar m (ioe_finalizedHandle fp)
-- We have to put the FDs into binary mode on Windows to avoid the newline
-- translation that the CRT IO library does.
setBinaryMode :: FD -> IO ()
#ifdef mingw32_HOST_OS
-setBinaryMode fd = do setmode (fdFD fd) True; return ()
+setBinaryMode fd = do _ <- setmode (fdFD fd) True
+ return ()
#else
setBinaryMode _ = return ()
#endif