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authorkr.angelov <kr.angelov@chalmers.se>2008-05-23 15:16:28 +0000
committerkr.angelov <kr.angelov@chalmers.se>2008-05-23 15:16:28 +0000
commit53bfa43a5820e0ac6cceb01b57776ae01b3b92f1 (patch)
treee29707cb9f68f09d457ec18394183b8e487d43f6 /src-3.0/GF/System/NoSignal.hs
parent0b80bf17d97fe5410c4e6697b6325c777dfee5b0 (diff)
allow Ctrl+Break in the shell. Works on Windows too.
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+----------------------------------------------------------------------
+-- |
+-- Module : GF.System.NoSignal
+-- Maintainer : Bjorn Bringert
+-- Stability : (stability)
+-- Portability : (portability)
+--
+-- > CVS $Date: 2005/11/11 11:12:50 $
+-- > CVS $Author: bringert $
+-- > CVS $Revision: 1.1 $
+--
+-- Dummy implementation of signal handling.
+-----------------------------------------------------------------------------
+
+module GF.System.NoSignal where
+
+import Control.Exception (Exception,catch)
+import Prelude hiding (catch)
+
+{-# NOINLINE runInterruptibly #-}
+runInterruptibly :: IO a -> IO (Either Exception a)
+--runInterruptibly = fmap Right
+runInterruptibly a =
+ p `catch` h
+ where p = a >>= \x -> return $! Right $! x
+ h e = return $ Left e
+
+blockInterrupt :: IO a -> IO a
+blockInterrupt = id