917 class PSParallelCompact : AllStatic {
918 public:
919 // Convenient access to type names.
920 typedef ParMarkBitMap::idx_t idx_t;
921 typedef ParallelCompactData::RegionData RegionData;
922 typedef ParallelCompactData::BlockData BlockData;
923
924 typedef enum {
925 old_space_id, eden_space_id,
926 from_space_id, to_space_id, last_space_id
927 } SpaceId;
928
929 public:
930 // Inline closure decls
931 //
932 class IsAliveClosure: public BoolObjectClosure {
933 public:
934 virtual bool do_object_b(oop p);
935 };
936
937 class AdjustPointerClosure: public ExtendedOopClosure {
938 public:
939 AdjustPointerClosure(ParCompactionManager* cm) {
940 assert(cm != NULL, "associate ParCompactionManage should not be NULL");
941 _cm = cm;
942 }
943 template <typename T> void do_oop_nv(T* p);
944 virtual void do_oop(oop* p);
945 virtual void do_oop(narrowOop* p);
946
947 // This closure provides its own oop verification code.
948 debug_only(virtual bool should_verify_oops() { return false; })
949 private:
950 ParCompactionManager* _cm;
951 };
952
953 friend class AdjustPointerClosure;
954 friend class RefProcTaskProxy;
955 friend class PSParallelCompactTest;
956
957 private:
958 static STWGCTimer _gc_timer;
959 static ParallelOldTracer _gc_tracer;
960 static elapsedTimer _accumulated_time;
961 static unsigned int _total_invocations;
962 static unsigned int _maximum_compaction_gc_num;
963 static jlong _time_of_last_gc; // ms
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917 class PSParallelCompact : AllStatic {
918 public:
919 // Convenient access to type names.
920 typedef ParMarkBitMap::idx_t idx_t;
921 typedef ParallelCompactData::RegionData RegionData;
922 typedef ParallelCompactData::BlockData BlockData;
923
924 typedef enum {
925 old_space_id, eden_space_id,
926 from_space_id, to_space_id, last_space_id
927 } SpaceId;
928
929 public:
930 // Inline closure decls
931 //
932 class IsAliveClosure: public BoolObjectClosure {
933 public:
934 virtual bool do_object_b(oop p);
935 };
936
937 class AdjustPointerClosure: public BasicOopIterateClosure {
938 public:
939 AdjustPointerClosure(ParCompactionManager* cm) {
940 assert(cm != NULL, "associate ParCompactionManage should not be NULL");
941 _cm = cm;
942 }
943 template <typename T> void do_oop_work(T* p);
944 virtual void do_oop(oop* p);
945 virtual void do_oop(narrowOop* p);
946
947 // This closure provides its own oop verification code.
948 debug_only(virtual bool should_verify_oops() { return false; })
949 private:
950 ParCompactionManager* _cm;
951 };
952
953 friend class AdjustPointerClosure;
954 friend class RefProcTaskProxy;
955 friend class PSParallelCompactTest;
956
957 private:
958 static STWGCTimer _gc_timer;
959 static ParallelOldTracer _gc_tracer;
960 static elapsedTimer _accumulated_time;
961 static unsigned int _total_invocations;
962 static unsigned int _maximum_compaction_gc_num;
963 static jlong _time_of_last_gc; // ms
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