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src/hotspot/share/gc/shenandoah/shenandoahGC.hpp

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33  *
34  * The relationship of the GCs:
35  *
36  * ("normal" mode) ----> Concurrent GC ----> (finish)
37  *                            |
38  *                            | <upgrade>
39  *                            v
40  * ("passive" mode) ---> Degenerated GC ---> (finish)
41  *                            |
42  *                            | <upgrade>
43  *                            v
44  *                         Full GC --------> (finish)
45  */
46 
47 class ShenandoahGC : public StackObj {
48 public:
49   // Fail point from concurrent GC
50   enum ShenandoahDegenPoint {
51     _degenerated_unset,
52     _degenerated_outside_cycle,

53     _degenerated_mark,
54     _degenerated_evac,
55     _degenerated_updaterefs,
56     _DEGENERATED_LIMIT
57   };
58 
59   virtual bool collect(GCCause::Cause cause) = 0;
60   static const char* degen_point_to_string(ShenandoahDegenPoint point);
61 
62 protected:
63   static void update_roots(bool full_gc);
64 };
65 
66 #endif  // SHARE_GC_SHENANDOAH_SHENANDOAHGC_HPP

33  *
34  * The relationship of the GCs:
35  *
36  * ("normal" mode) ----> Concurrent GC ----> (finish)
37  *                            |
38  *                            | <upgrade>
39  *                            v
40  * ("passive" mode) ---> Degenerated GC ---> (finish)
41  *                            |
42  *                            | <upgrade>
43  *                            v
44  *                         Full GC --------> (finish)
45  */
46 
47 class ShenandoahGC : public StackObj {
48 public:
49   // Fail point from concurrent GC
50   enum ShenandoahDegenPoint {
51     _degenerated_unset,
52     _degenerated_outside_cycle,
53     _degenerated_roots,
54     _degenerated_mark,
55     _degenerated_evac,
56     _degenerated_updaterefs,
57     _DEGENERATED_LIMIT
58   };
59 
60   virtual bool collect(GCCause::Cause cause) = 0;
61   static const char* degen_point_to_string(ShenandoahDegenPoint point);
62 
63 protected:
64   static void update_roots(bool full_gc);
65 };
66 
67 #endif  // SHARE_GC_SHENANDOAH_SHENANDOAHGC_HPP
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