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authoraarne <aarne@cs.chalmers.se>2008-05-20 11:47:44 +0000
committeraarne <aarne@cs.chalmers.se>2008-05-20 11:47:44 +0000
commit31bf84122b21efb444aa8d055472e166ffb90783 (patch)
tree1f051909336f1534346bcccde8dda59beab02f64 /src-2.9/GF/System/NoSignal.hs
parent74f048dcf41de3540778de54dfa7541fa5b39c46 (diff)
moved all old source code to src-2.9 ; src will be for GF 3 development
Diffstat (limited to 'src-2.9/GF/System/NoSignal.hs')
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1 files changed, 29 insertions, 0 deletions
diff --git a/src-2.9/GF/System/NoSignal.hs b/src-2.9/GF/System/NoSignal.hs
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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