- StgWeak *w;
- StgTSO *t;
-
- for (w = list; w; w = w->link) {
- IF_DEBUG(weak,fprintf(stderr,"Finalising weak pointer at %p -> %p\n", w, w->key));
- if (w->finalizer != &NO_FINALIZER_closure) {
-#ifdef INTERPRETER
- t = createGenThread(RtsFlags.GcFlags.initialStkSize, w->finalizer);
-#else
- t = createIOThread(RtsFlags.GcFlags.initialStkSize, w->finalizer);
+ StgWeak *w;
+ StgTSO *t;
+ StgMutArrPtrs *arr;
+ nat n;
+
+ // count number of finalizers, and kill all the weak pointers first...
+ n = 0;
+ for (w = list; w; w = w->link) {
+
+ // Better not be a DEAD_WEAK at this stage; the garbage
+ // collector removes DEAD_WEAKs from the weak pointer list.
+ ASSERT(w->header.info != &stg_DEAD_WEAK_info);
+
+ if (w->finalizer != &stg_NO_FINALIZER_closure) {
+ n++;
+ }
+
+#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.