[project @ 2002-04-24 16:31:37 by simonmar]

[ghc-base.git] / Foreign / ForeignPtr.hs

diff --git a/Foreign/ForeignPtr.hs b/Foreign/ForeignPtr.hs
index 64313cf..a603587 100644 (file)
--- a/Foreign/ForeignPtr.hs
+++ b/Foreign/ForeignPtr.hs
@@ -1,15 +1,15 @@
 {-# OPTIONS -fno-implicit-prelude #-}
 -----------------------------------------------------------------------------
--- 
+-- |
 -- Module      :  Foreign.ForeignPtr
 -- Copyright   :  (c) The University of Glasgow 2001
 -- License     :  BSD-style (see the file libraries/core/LICENSE)
 -- 
 -- Maintainer  :  ffi@haskell.org
--- Stability   :  experimental
--- Portability :  non-portable
+-- Stability   :  provisional
+-- Portability :  portable
 --
--- $Id: ForeignPtr.hs,v 1.1 2001/06/28 14:15:03 simonmar Exp $
+-- $Id: ForeignPtr.hs,v 1.4 2002/04/24 16:31:44 simonmar Exp $
 --
 -- This module defines foreign pointers, i.e. addresses with associated
 -- finalizers.
@@ -44,12 +44,8 @@ INSTANCE_TYPEABLE1(ForeignPtr,foreignPtrTc,"ForeignPtr")
 data ForeignPtr a = ForeignPtr ForeignObj#
 instance CCallable (ForeignPtr a)
 
-eqForeignPtr :: ForeignPtr a -> ForeignPtr a -> Bool
-eqForeignPtr mp1 mp2
-  = unsafePerformIO (primEqForeignPtr mp1 mp2) /= (0::Int)
-
-foreign import "eqForeignObj" unsafe 
-  primEqForeignPtr :: ForeignPtr a -> ForeignPtr a -> IO Int
+eqForeignPtr  :: ForeignPtr a -> ForeignPtr a -> Bool
+eqForeignPtr (ForeignPtr fo1#) (ForeignPtr fo2#) = eqForeignObj# fo1# fo2#
 
 instance Eq (ForeignPtr a) where 
     p == q = eqForeignPtr p q