25 #ifndef SHARE_GC_G1_G1FULLCOLLECTOR_HPP
26 #define SHARE_GC_G1_G1FULLCOLLECTOR_HPP
27
28 #include "gc/g1/g1FullGCCompactionPoint.hpp"
29 #include "gc/g1/g1FullGCMarker.hpp"
30 #include "gc/g1/g1FullGCOopClosures.hpp"
31 #include "gc/g1/g1FullGCScope.hpp"
32 #include "gc/shared/preservedMarks.hpp"
33 #include "gc/shared/referenceProcessor.hpp"
34 #include "gc/shared/taskqueue.hpp"
35 #include "memory/allocation.hpp"
36
37 class AbstractGangTask;
38 class G1CMBitMap;
39 class G1FullGCMarker;
40 class G1FullGCScope;
41 class G1FullGCCompactionPoint;
42 class GCMemoryManager;
43 class ReferenceProcessor;
44
45 // The G1FullCollector holds data associated with the current Full GC.
46 class G1FullCollector : StackObj {
47 G1CollectedHeap* _heap;
48 G1FullGCScope _scope;
49 uint _num_workers;
50 G1FullGCMarker** _markers;
51 G1FullGCCompactionPoint** _compaction_points;
52 OopQueueSet _oop_queue_set;
53 ObjArrayTaskQueueSet _array_queue_set;
54 PreservedMarksSet _preserved_marks_set;
55 G1FullGCCompactionPoint _serial_compaction_point;
56 G1IsAliveClosure _is_alive;
57 ReferenceProcessorIsAliveMutator _is_alive_mutator;
58
59 static uint calc_active_workers();
60
61 public:
62 G1FullCollector(G1CollectedHeap* heap, GCMemoryManager* memory_manager, bool explicit_gc, bool clear_soft_refs);
63 ~G1FullCollector();
64
65 void prepare_collection();
66 void collect();
67 void complete_collection();
68
69 G1FullGCScope* scope() { return &_scope; }
70 uint workers() { return _num_workers; }
71 G1FullGCMarker* marker(uint id) { return _markers[id]; }
72 G1FullGCCompactionPoint* compaction_point(uint id) { return _compaction_points[id]; }
73 OopQueueSet* oop_queue_set() { return &_oop_queue_set; }
74 ObjArrayTaskQueueSet* array_queue_set() { return &_array_queue_set; }
75 PreservedMarksSet* preserved_mark_set() { return &_preserved_marks_set; }
76 G1FullGCCompactionPoint* serial_compaction_point() { return &_serial_compaction_point; }
77 G1CMBitMap* mark_bitmap();
78 ReferenceProcessor* reference_processor();
79
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25 #ifndef SHARE_GC_G1_G1FULLCOLLECTOR_HPP
26 #define SHARE_GC_G1_G1FULLCOLLECTOR_HPP
27
28 #include "gc/g1/g1FullGCCompactionPoint.hpp"
29 #include "gc/g1/g1FullGCMarker.hpp"
30 #include "gc/g1/g1FullGCOopClosures.hpp"
31 #include "gc/g1/g1FullGCScope.hpp"
32 #include "gc/shared/preservedMarks.hpp"
33 #include "gc/shared/referenceProcessor.hpp"
34 #include "gc/shared/taskqueue.hpp"
35 #include "memory/allocation.hpp"
36
37 class AbstractGangTask;
38 class G1CMBitMap;
39 class G1FullGCMarker;
40 class G1FullGCScope;
41 class G1FullGCCompactionPoint;
42 class GCMemoryManager;
43 class ReferenceProcessor;
44
45 // Subject-to-discovery closure for reference processing during Full GC. During
46 // Full GC the whole heap is subject to discovery.
47 class G1FullGCSubjectToDiscoveryClosure: public BoolObjectClosure {
48 public:
49 bool do_object_b(oop p) {
50 assert(p != NULL, "must be");
51 return true;
52 }
53 };
54
55 // The G1FullCollector holds data associated with the current Full GC.
56 class G1FullCollector : StackObj {
57 G1CollectedHeap* _heap;
58 G1FullGCScope _scope;
59 uint _num_workers;
60 G1FullGCMarker** _markers;
61 G1FullGCCompactionPoint** _compaction_points;
62 OopQueueSet _oop_queue_set;
63 ObjArrayTaskQueueSet _array_queue_set;
64 PreservedMarksSet _preserved_marks_set;
65 G1FullGCCompactionPoint _serial_compaction_point;
66 G1IsAliveClosure _is_alive;
67 ReferenceProcessorIsAliveMutator _is_alive_mutator;
68
69 static uint calc_active_workers();
70
71 G1FullGCSubjectToDiscoveryClosure _always_subject_to_discovery;
72 ReferenceProcessorSubjectToDiscoveryMutator _is_subject_mutator;
73
74 public:
75 G1FullCollector(G1CollectedHeap* heap, GCMemoryManager* memory_manager, bool explicit_gc, bool clear_soft_refs);
76 ~G1FullCollector();
77
78 void prepare_collection();
79 void collect();
80 void complete_collection();
81
82 G1FullGCScope* scope() { return &_scope; }
83 uint workers() { return _num_workers; }
84 G1FullGCMarker* marker(uint id) { return _markers[id]; }
85 G1FullGCCompactionPoint* compaction_point(uint id) { return _compaction_points[id]; }
86 OopQueueSet* oop_queue_set() { return &_oop_queue_set; }
87 ObjArrayTaskQueueSet* array_queue_set() { return &_array_queue_set; }
88 PreservedMarksSet* preserved_mark_set() { return &_preserved_marks_set; }
89 G1FullGCCompactionPoint* serial_compaction_point() { return &_serial_compaction_point; }
90 G1CMBitMap* mark_bitmap();
91 ReferenceProcessor* reference_processor();
92
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