1.1 --- a/src/share/vm/gc_implementation/concurrentMarkSweep/cmsOopClosures.hpp Wed Nov 19 14:20:51 2008 -0800
1.2 +++ b/src/share/vm/gc_implementation/concurrentMarkSweep/cmsOopClosures.hpp Thu Nov 20 12:27:41 2008 -0800
1.3 @@ -325,24 +325,30 @@
1.4 // For objects in CMS generation, this closure marks
1.5 // given objects (transitively) as being reachable/live.
1.6 // This is currently used during the (weak) reference object
1.7 -// processing phase of the CMS final checkpoint step.
1.8 +// processing phase of the CMS final checkpoint step, as
1.9 +// well as during the concurrent precleaning of the discovered
1.10 +// reference lists.
1.11 class CMSKeepAliveClosure: public OopClosure {
1.12 private:
1.13 CMSCollector* _collector;
1.14 const MemRegion _span;
1.15 CMSMarkStack* _mark_stack;
1.16 CMSBitMap* _bit_map;
1.17 + bool _concurrent_precleaning;
1.18 protected:
1.19 DO_OOP_WORK_DEFN
1.20 public:
1.21 CMSKeepAliveClosure(CMSCollector* collector, MemRegion span,
1.22 - CMSBitMap* bit_map, CMSMarkStack* mark_stack):
1.23 + CMSBitMap* bit_map, CMSMarkStack* mark_stack,
1.24 + bool cpc):
1.25 _collector(collector),
1.26 _span(span),
1.27 _bit_map(bit_map),
1.28 - _mark_stack(mark_stack) {
1.29 + _mark_stack(mark_stack),
1.30 + _concurrent_precleaning(cpc) {
1.31 assert(!_span.is_empty(), "Empty span could spell trouble");
1.32 }
1.33 + bool concurrent_precleaning() const { return _concurrent_precleaning; }
1.34 virtual void do_oop(oop* p);
1.35 virtual void do_oop(narrowOop* p);
1.36 inline void do_oop_nv(oop* p) { CMSKeepAliveClosure::do_oop_work(p); }
