-#ifndef __PARALLEL_HASKELL__
---instance CCallable ForeignObj
---instance CCallable ForeignObj#
-
-makeForeignObj :: Addr -> IO () -> IO ForeignObj
-makeForeignObj addr finalizer = do
- fObj <- mkForeignObj addr
- addForeignFinalizer fObj finalizer
- return fObj
-
-mkForeignObj :: Addr -> IO ForeignObj
-mkForeignObj (A# obj) = IO ( \ s# ->
+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
+
+instance Eq (ForeignPtr a) where
+ p == q = eqForeignPtr p q
+ p /= q = not (eqForeignPtr p q)
+
+newForeignPtr :: Ptr a -> IO () -> IO (ForeignPtr a)
+newForeignPtr p finalizer
+ = do fObj <- mkForeignPtr p
+ addForeignPtrFinalizer fObj finalizer
+ return fObj
+
+addForeignPtrFinalizer :: ForeignPtr a -> IO () -> IO ()
+addForeignPtrFinalizer (ForeignPtr fo) finalizer =
+ IO $ \s -> case mkWeak# fo () finalizer s of { (# s1, w #) -> (# s1, () #) }
+
+mkForeignPtr :: Ptr a -> IO (ForeignPtr a) {- not exported -}
+mkForeignPtr (Ptr obj) = IO ( \ s# ->