565
566 void ParNewGenTask::work(uint worker_id) {
567 GenCollectedHeap* gch = GenCollectedHeap::heap();
568 // Since this is being done in a separate thread, need new resource
569 // and handle marks.
570 ResourceMark rm;
571 HandleMark hm;
572
573 ParScanThreadState& par_scan_state = _state_set->thread_state(worker_id);
574 assert(_state_set->is_valid(worker_id), "Should not have been called");
575
576 par_scan_state.set_young_old_boundary(_young_old_boundary);
577
578 KlassScanClosure klass_scan_closure(&par_scan_state.to_space_root_closure(),
579 gch->rem_set()->klass_rem_set());
580 CLDToKlassAndOopClosure cld_scan_closure(&klass_scan_closure,
581 &par_scan_state.to_space_root_closure(),
582 false);
583
584 par_scan_state.start_strong_roots();
585 gch->gen_process_roots(_strong_roots_scope,
586 GenCollectedHeap::YoungGen,
587 true, // Process younger gens, if any, as strong roots.
588 GenCollectedHeap::SO_ScavengeCodeCache,
589 GenCollectedHeap::StrongAndWeakRoots,
590 &par_scan_state.to_space_root_closure(),
591 &par_scan_state.older_gen_closure(),
592 &cld_scan_closure);
593
594 par_scan_state.end_strong_roots();
595
596 // "evacuate followers".
597 par_scan_state.evacuate_followers_closure().do_void();
598 }
599
600 #ifdef _MSC_VER
601 #pragma warning( push )
602 #pragma warning( disable:4355 ) // 'this' : used in base member initializer list
603 #endif
604 ParNewGeneration::ParNewGeneration(ReservedSpace rs, size_t initial_byte_size)
605 : DefNewGeneration(rs, initial_byte_size, "PCopy"),
606 _overflow_list(NULL),
607 _is_alive_closure(this),
608 _plab_stats(YoungPLABSize, PLABWeight)
609 {
610 NOT_PRODUCT(_overflow_counter = ParGCWorkQueueOverflowInterval;)
611 NOT_PRODUCT(_num_par_pushes = 0;)
612 _task_queues = new ObjToScanQueueSet(ParallelGCThreads);
|
565
566 void ParNewGenTask::work(uint worker_id) {
567 GenCollectedHeap* gch = GenCollectedHeap::heap();
568 // Since this is being done in a separate thread, need new resource
569 // and handle marks.
570 ResourceMark rm;
571 HandleMark hm;
572
573 ParScanThreadState& par_scan_state = _state_set->thread_state(worker_id);
574 assert(_state_set->is_valid(worker_id), "Should not have been called");
575
576 par_scan_state.set_young_old_boundary(_young_old_boundary);
577
578 KlassScanClosure klass_scan_closure(&par_scan_state.to_space_root_closure(),
579 gch->rem_set()->klass_rem_set());
580 CLDToKlassAndOopClosure cld_scan_closure(&klass_scan_closure,
581 &par_scan_state.to_space_root_closure(),
582 false);
583
584 par_scan_state.start_strong_roots();
585 gch->young_process_roots(_strong_roots_scope,
586 &par_scan_state.to_space_root_closure(),
587 &par_scan_state.older_gen_closure(),
588 &cld_scan_closure);
589
590 par_scan_state.end_strong_roots();
591
592 // "evacuate followers".
593 par_scan_state.evacuate_followers_closure().do_void();
594 }
595
596 #ifdef _MSC_VER
597 #pragma warning( push )
598 #pragma warning( disable:4355 ) // 'this' : used in base member initializer list
599 #endif
600 ParNewGeneration::ParNewGeneration(ReservedSpace rs, size_t initial_byte_size)
601 : DefNewGeneration(rs, initial_byte_size, "PCopy"),
602 _overflow_list(NULL),
603 _is_alive_closure(this),
604 _plab_stats(YoungPLABSize, PLABWeight)
605 {
606 NOT_PRODUCT(_overflow_counter = ParGCWorkQueueOverflowInterval;)
607 NOT_PRODUCT(_num_par_pushes = 0;)
608 _task_queues = new ObjToScanQueueSet(ParallelGCThreads);
|