# else
import Posix ( Handler(Catch), installHandler, sigINT, sigQUIT )
# endif /* GHC > 504 */
-
-import CONCURRENT ( myThreadId )
#endif /* mingw32_HOST_OS */
+#if defined(mingw32_HOST_OS) && __GLASGOW_HASKELL__ >= 603
+import GHC.ConsoleHandler
+#endif
+
# if __GLASGOW_HASKELL__ < 500
import EXCEPTION ( raiseInThread )
# else
import EXCEPTION ( catchJust, tryJust, ioErrors )
#endif
+import CONCURRENT ( myThreadId )
import DYNAMIC
import qualified EXCEPTION as Exception
import TRACE ( trace )
\begin{code}
installSignalHandlers :: IO ()
installSignalHandlers = do
-#ifndef mingw32_HOST_OS
main_thread <- myThreadId
- let sig_handler = Catch (throwTo main_thread
- (Exception.DynException (toDyn Interrupted)))
- installHandler sigQUIT sig_handler Nothing
- installHandler sigINT sig_handler Nothing
-#endif
+ let
+ interrupt_exn = Exception.DynException (toDyn Interrupted)
+ interrupt = throwTo main_thread interrupt_exn
+ --
+#if !defined(mingw32_HOST_OS)
+ installHandler sigQUIT interrupt Nothing
+ installHandler sigINT interrupt Nothing
+ return ()
+#elif __GLASGOW_HASKELL__ >= 603
+ -- GHC 6.3+ has support for console events on Windows
+ let sig_handler ControlC = interrupt
+ sig_handler Break = interrupt
+ sig_handler _ = return ()
+
+ installHandler (Catch sig_handler)
return ()
+#else
+ -- nothing
+#endif
\end{code}