2495 }
2496 };
2497
2498 void G1CollectedHeap::object_iterate(ObjectClosure* cl) {
2499 IterateObjectClosureRegionClosure blk(cl);
2500 heap_region_iterate(&blk);
2501 }
2502
2503 // Calls a SpaceClosure on a HeapRegion.
2504
2505 class SpaceClosureRegionClosure: public HeapRegionClosure {
2506 SpaceClosure* _cl;
2507 public:
2508 SpaceClosureRegionClosure(SpaceClosure* cl) : _cl(cl) {}
2509 bool doHeapRegion(HeapRegion* r) {
2510 _cl->do_space(r);
2511 return false;
2512 }
2513 };
2514
2515 void G1CollectedHeap::space_iterate(SpaceClosure* cl) {
2516 SpaceClosureRegionClosure blk(cl);
2517 heap_region_iterate(&blk);
2518 }
2519
2520 void G1CollectedHeap::heap_region_iterate(HeapRegionClosure* cl) const {
2521 _hrm.iterate(cl);
2522 }
2523
2524 void
2525 G1CollectedHeap::heap_region_par_iterate(HeapRegionClosure* cl,
2526 uint worker_id,
2527 HeapRegionClaimer *hrclaimer,
2528 bool concurrent) const {
2529 _hrm.par_iterate(cl, worker_id, hrclaimer, concurrent);
2530 }
2531
2532 // Clear the cached CSet starting regions and (more importantly)
2533 // the time stamps. Called when we reset the GC time stamp.
2534 void G1CollectedHeap::clear_cset_start_regions() {
2535 assert(_worker_cset_start_region != NULL, "sanity");
2536 assert(_worker_cset_start_region_time_stamp != NULL, "sanity");
2537
2538 int n_queues = MAX2((int)ParallelGCThreads, 1);
2539 for (int i = 0; i < n_queues; i++) {
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2495 }
2496 };
2497
2498 void G1CollectedHeap::object_iterate(ObjectClosure* cl) {
2499 IterateObjectClosureRegionClosure blk(cl);
2500 heap_region_iterate(&blk);
2501 }
2502
2503 // Calls a SpaceClosure on a HeapRegion.
2504
2505 class SpaceClosureRegionClosure: public HeapRegionClosure {
2506 SpaceClosure* _cl;
2507 public:
2508 SpaceClosureRegionClosure(SpaceClosure* cl) : _cl(cl) {}
2509 bool doHeapRegion(HeapRegion* r) {
2510 _cl->do_space(r);
2511 return false;
2512 }
2513 };
2514
2515 void G1CollectedHeap::heap_region_iterate(HeapRegionClosure* cl) const {
2516 _hrm.iterate(cl);
2517 }
2518
2519 void
2520 G1CollectedHeap::heap_region_par_iterate(HeapRegionClosure* cl,
2521 uint worker_id,
2522 HeapRegionClaimer *hrclaimer,
2523 bool concurrent) const {
2524 _hrm.par_iterate(cl, worker_id, hrclaimer, concurrent);
2525 }
2526
2527 // Clear the cached CSet starting regions and (more importantly)
2528 // the time stamps. Called when we reset the GC time stamp.
2529 void G1CollectedHeap::clear_cset_start_regions() {
2530 assert(_worker_cset_start_region != NULL, "sanity");
2531 assert(_worker_cset_start_region_time_stamp != NULL, "sanity");
2532
2533 int n_queues = MAX2((int)ParallelGCThreads, 1);
2534 for (int i = 0; i < n_queues; i++) {
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