[project @ 2001-12-10 17:59:54 by sof]

[ghc-hetmet.git] / ghc / rts / Weak.c

diff --git a/ghc/rts/Weak.c b/ghc/rts/Weak.c
index 91a2fc0..ef26e3b 100644 (file)
--- a/ghc/rts/Weak.c
+++ b/ghc/rts/Weak.c
@@ -1,5 +1,5 @@
 /* -----------------------------------------------------------------------------
- * $Id: Weak.c,v 1.17 2000/12/04 12:31:22 simonmar Exp $
+ * $Id: Weak.c,v 1.20 2001/11/26 16:54:22 simonmar Exp $
  *
  * (c) The GHC Team, 1998-1999
  *
@@ -7,6 +7,7 @@
  *
  * ---------------------------------------------------------------------------*/
 
+#include "PosixSource.h"
 #include "Rts.h"
 #include "RtsAPI.h"
 #include "SchedAPI.h"
@@ -84,7 +85,17 @@ scheduleFinalizers(StgWeak *list)
            arr->payload[n] = w->finalizer;
            n++;
        }
-       w->header.info = &stg_DEAD_WEAK_info;
+
+#ifdef PROFILING
+        // A weak pointer is inherently used, so we do not need to call
+        // LDV_recordDead().
+       //
+        // Furthermore, when PROFILING is turned on, dead weak
+        // pointers are exactly as large as weak pointers, so there is
+        // no need to fill the slop, either.  See stg_DEAD_WEAK_info
+        // in StgMiscClosures.hc.
+#endif
+       SET_HDR(w, &stg_DEAD_WEAK_info, w->header.prof.ccs);
     }
 
     t = createIOThread(RtsFlags.GcFlags.initialStkSize,