517 void verify_after_full_collection();
518 void print_heap_after_full_collection(G1HeapTransition* heap_transition);
519
520 // Helper method for satisfy_failed_allocation()
521 HeapWord* satisfy_failed_allocation_helper(size_t word_size,
522 bool do_gc,
523 bool clear_all_soft_refs,
524 bool expect_null_mutator_alloc_region,
525 bool* gc_succeeded);
526
527 // Attempting to expand the heap sufficiently
528 // to support an allocation of the given "word_size". If
529 // successful, perform the allocation and return the address of the
530 // allocated block, or else "NULL".
531 HeapWord* expand_and_allocate(size_t word_size);
532
533 // Process any reference objects discovered.
534 void process_discovered_references(G1ParScanThreadStateSet* per_thread_states);
535
536 // If during a concurrent start pause we may install a pending list head which is not
537 // otherwise reachable ensure that it is marked in the bitmap for concurrent marking
538 // to discover.
539 void make_pending_list_reachable();
540
541 // Merges the information gathered on a per-thread basis for all worker threads
542 // during GC into global variables.
543 void merge_per_thread_state_info(G1ParScanThreadStateSet* per_thread_states);
544
545 void verify_numa_regions(const char* desc);
546
547 public:
548 G1YoungRemSetSamplingThread* sampling_thread() const { return _young_gen_sampling_thread; }
549
550 WorkGang* workers() const { return _workers; }
551
552 // Runs the given AbstractGangTask with the current active workers, returning the
553 // total time taken.
554 Tickspan run_task(AbstractGangTask* task);
555
556 G1Allocator* allocator() {
557 return _allocator;
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517 void verify_after_full_collection();
518 void print_heap_after_full_collection(G1HeapTransition* heap_transition);
519
520 // Helper method for satisfy_failed_allocation()
521 HeapWord* satisfy_failed_allocation_helper(size_t word_size,
522 bool do_gc,
523 bool clear_all_soft_refs,
524 bool expect_null_mutator_alloc_region,
525 bool* gc_succeeded);
526
527 // Attempting to expand the heap sufficiently
528 // to support an allocation of the given "word_size". If
529 // successful, perform the allocation and return the address of the
530 // allocated block, or else "NULL".
531 HeapWord* expand_and_allocate(size_t word_size);
532
533 // Process any reference objects discovered.
534 void process_discovered_references(G1ParScanThreadStateSet* per_thread_states);
535
536 // If during a concurrent start pause we may install a pending list head which is not
537 // otherwise reachable, ensure that it is marked in the bitmap for concurrent marking
538 // to discover.
539 void make_pending_list_reachable();
540
541 // Merges the information gathered on a per-thread basis for all worker threads
542 // during GC into global variables.
543 void merge_per_thread_state_info(G1ParScanThreadStateSet* per_thread_states);
544
545 void verify_numa_regions(const char* desc);
546
547 public:
548 G1YoungRemSetSamplingThread* sampling_thread() const { return _young_gen_sampling_thread; }
549
550 WorkGang* workers() const { return _workers; }
551
552 // Runs the given AbstractGangTask with the current active workers, returning the
553 // total time taken.
554 Tickspan run_task(AbstractGangTask* task);
555
556 G1Allocator* allocator() {
557 return _allocator;
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