X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=System%2FMem.hs;h=af96b5dd1c293830369f0f07d4abbae505bff669;hb=HEAD;hp=a50d6ffab02839e5b32afc9a57eb872aa1c827cc;hpb=cb68ac0418c116c15346ff4c05aed69a635b5d04;p=ghc-base.git

diff --git a/System/Mem.hs b/System/Mem.hs
index a50d6ff..af96b5d 100644
--- a/System/Mem.hs
+++ b/System/Mem.hs
@@ -1,15 +1,19 @@
+{-# LANGUAGE CPP #-}
+
+#ifdef __GLASGOW_HASKELL__
+{-# LANGUAGE ForeignFunctionInterface #-}
+#endif
+
 -----------------------------------------------------------------------------
--- 
+-- |
 -- Module      :  System.Mem
 -- Copyright   :  (c) The University of Glasgow 2001
--- License     :  BSD-style (see the file libraries/core/LICENSE)
+-- License     :  BSD-style (see the file libraries/base/LICENSE)
 -- 
 -- Maintainer  :  libraries@haskell.org
 -- Stability   :  provisional
 -- Portability :  portable
 --
--- $Id: Mem.hs,v 1.1 2002/02/12 10:50:03 simonmar Exp $
---
 -- Memory-related system things.
 --
 -----------------------------------------------------------------------------
@@ -18,6 +22,17 @@ module System.Mem (
  	performGC	-- :: IO ()
   ) where
  
+import Prelude
+
+#ifdef __HUGS__
+import Hugs.IOExts
+#endif
+
 #ifdef __GLASGOW_HASKELL__
-foreign import {-safe-} "performGC" performGC :: IO ()
+-- | Triggers an immediate garbage collection
+foreign import ccall {-safe-} "performMajorGC" performGC :: IO ()
+#endif
+
+#ifdef __NHC__
+import NHC.IOExtras (performGC)
 #endif