Improve error messsage when argument count varies

[ghc-hetmet.git] / ghc / includes / Stable.h

diff --git a/ghc/includes/Stable.h b/ghc/includes/Stable.h
index 241f42b..ca2e721 100644 (file)
--- a/ghc/includes/Stable.h
+++ b/ghc/includes/Stable.h
@@ -1,7 +1,6 @@
 /* -----------------------------------------------------------------------------
- * $Id: Stable.h,v 1.10 2001/11/21 10:09:15 simonmar Exp $
  *
- * (c) The GHC Team, 1998-2000
+ * (c) The GHC Team, 1998-2004
  *
  * Stable Pointers: A stable pointer is represented as an index into
  * the stable pointer table in the low BITS_PER_WORD-8 bits with a
@@ -12,7 +11,10 @@
  * casting. Size is not a matter, because StgWord is always the same size as
  * a void*.
  *
- * ----------------------------------------------------------------------------*/
+ * ---------------------------------------------------------------------------*/
+
+#ifndef STABLE_H
+#define STABLE_H
 
 /* -----------------------------------------------------------------------------
    External C Interface
@@ -35,36 +37,30 @@ typedef struct {
 } snEntry;
 
 extern DLL_IMPORT_RTS snEntry *stable_ptr_table;
-extern DLL_IMPORT_RTS snEntry *stable_ptr_free;
 
-extern DLL_IMPORT_RTS unsigned int SPT_size;
+extern void freeStablePtr(StgStablePtr sp);
 
-extern inline StgPtr
-deRefStablePtr(StgStablePtr sp)
+#if defined(__GNUC__)
+# ifndef RTS_STABLE_C
+extern inline
+# endif
+StgPtr deRefStablePtr(StgStablePtr sp)
 {
     ASSERT(stable_ptr_table[(StgWord)sp].ref > 0);
     return stable_ptr_table[(StgWord)sp].addr;
 }
-    
-extern inline void
-freeStablePtr(StgStablePtr sp)
-{
-    StgWord sn = (StgWord)sp;
-    
-    ASSERT(sn < SPT_size
-          && stable_ptr_table[sn].addr != NULL
-          && stable_ptr_table[sn].ref > 0);
-    
-    stable_ptr_table[sn].ref --;
-}
+#else
+/* No support for 'extern inline' */
+extern StgPtr deRefStablePtr(StgStablePtr sp);
+#endif
 
-extern inline StgStablePtr
-splitStablePtr(StgStablePtr sp)
-{
-    stable_ptr_table[(StgWord)sp].ref ++;
-    return sp;
-}
+extern void    initStablePtrTable    ( void );
+extern void    enlargeStablePtrTable ( void );
+extern StgWord lookupStableName      ( StgPtr p );
+
+extern void    markStablePtrTable    ( evac_fn evac );
+extern void    threadStablePtrTable  ( evac_fn evac );
+extern void    gcStablePtrTable      ( void );
+extern void    updateStablePtrTable  ( rtsBool full );
 
-/* No deRefStableName, because the existence of a stable name doesn't
- * guarantee the existence of the object itself.
- */
+#endif