[project @ 2000-08-17 15:21:55 by rrt]

barf when a DLLized RTS tries to allocate a 2nd Windows monster block;
is_heap_alloced stops working at this point. No problem for the static
build.

ghc/rts/MBlock.c

 /* -----------------------------------------------------------------------------
- * $Id: MBlock.c,v 1.16 2000/08/04 23:31:44 lewie Exp $
+ * $Id: MBlock.c,v 1.17 2000/08/17 15:21:55 rrt Exp $
  *
  * (c) The GHC Team 1998-1999
  *
@@ -173,6 +173,9 @@ getMBlocks(nat n)
 
   if ( (base_non_committed == 0) || 
        (next_request + size > base_non_committed + SIZE_RESERVED_POOL) ) {
+#ifdef ENABLE_WIN32_DLL_SUPPORT
+    barf("2nd Windows monster block required; I can only cope with 1!");
+#endif
     base_non_committed = VirtualAlloc ( NULL
                                       , SIZE_RESERVED_POOL
 				      , MEM_RESERVE