src/share/vm/memory/collectorPolicy.hpp

changeset 777
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parent 448
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child 791
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equal deleted inserted replaced
624:0b27f3512f9e 777:37f87013dfd8
37 // to deal with those issues is this class. 37 // to deal with those issues is this class.
38 38
39 // Forward declarations. 39 // Forward declarations.
40 class GenCollectorPolicy; 40 class GenCollectorPolicy;
41 class TwoGenerationCollectorPolicy; 41 class TwoGenerationCollectorPolicy;
42 class AdaptiveSizePolicy;
42 #ifndef SERIALGC 43 #ifndef SERIALGC
43 class ConcurrentMarkSweepPolicy; 44 class ConcurrentMarkSweepPolicy;
45 class G1CollectorPolicy;
44 #endif // SERIALGC 46 #endif // SERIALGC
45 class AdaptiveSizePolicy; 47
46 class GCPolicyCounters; 48 class GCPolicyCounters;
47 class PermanentGenerationSpec; 49 class PermanentGenerationSpec;
48 class MarkSweepPolicy; 50 class MarkSweepPolicy;
49 51
50 class CollectorPolicy : public CHeapObj { 52 class CollectorPolicy : public CHeapObj {
53 GCPolicyCounters* _gc_policy_counters; 55 GCPolicyCounters* _gc_policy_counters;
54 56
55 // Requires that the concrete subclass sets the alignment constraints 57 // Requires that the concrete subclass sets the alignment constraints
56 // before calling. 58 // before calling.
57 virtual void initialize_flags(); 59 virtual void initialize_flags();
58 virtual void initialize_size_info() = 0; 60 virtual void initialize_size_info();
59 // Initialize "_permanent_generation" to a spec for the given kind of 61 // Initialize "_permanent_generation" to a spec for the given kind of
60 // Perm Gen. 62 // Perm Gen.
61 void initialize_perm_generation(PermGen::Name pgnm); 63 void initialize_perm_generation(PermGen::Name pgnm);
62 64
63 size_t _initial_heap_byte_size; 65 size_t _initial_heap_byte_size;
89 void set_min_heap_byte_size(size_t v) { _min_heap_byte_size = v; } 91 void set_min_heap_byte_size(size_t v) { _min_heap_byte_size = v; }
90 92
91 enum Name { 93 enum Name {
92 CollectorPolicyKind, 94 CollectorPolicyKind,
93 TwoGenerationCollectorPolicyKind, 95 TwoGenerationCollectorPolicyKind,
94 TrainPolicyKind,
95 ConcurrentMarkSweepPolicyKind, 96 ConcurrentMarkSweepPolicyKind,
96 ASConcurrentMarkSweepPolicyKind 97 ASConcurrentMarkSweepPolicyKind,
98 G1CollectorPolicyKind
97 }; 99 };
98 100
99 // Identification methods. 101 // Identification methods.
100 virtual GenCollectorPolicy* as_generation_policy() { return NULL; } 102 virtual GenCollectorPolicy* as_generation_policy() { return NULL; }
101 virtual TwoGenerationCollectorPolicy* as_two_generation_policy() { return NULL; } 103 virtual TwoGenerationCollectorPolicy* as_two_generation_policy() { return NULL; }
102 virtual MarkSweepPolicy* as_mark_sweep_policy() { return NULL; } 104 virtual MarkSweepPolicy* as_mark_sweep_policy() { return NULL; }
103 #ifndef SERIALGC 105 #ifndef SERIALGC
104 virtual ConcurrentMarkSweepPolicy* as_concurrent_mark_sweep_policy() { return NULL; } 106 virtual ConcurrentMarkSweepPolicy* as_concurrent_mark_sweep_policy() { return NULL; }
107 virtual G1CollectorPolicy* as_g1_policy() { return NULL; }
105 #endif // SERIALGC 108 #endif // SERIALGC
106 // Note that these are not virtual. 109 // Note that these are not virtual.
107 bool is_generation_policy() { return as_generation_policy() != NULL; } 110 bool is_generation_policy() { return as_generation_policy() != NULL; }
108 bool is_two_generation_policy() { return as_two_generation_policy() != NULL; } 111 bool is_two_generation_policy() { return as_two_generation_policy() != NULL; }
109 bool is_mark_sweep_policy() { return as_mark_sweep_policy() != NULL; } 112 bool is_mark_sweep_policy() { return as_mark_sweep_policy() != NULL; }
110 #ifndef SERIALGC 113 #ifndef SERIALGC
111 bool is_concurrent_mark_sweep_policy() { return as_concurrent_mark_sweep_policy() != NULL; } 114 bool is_concurrent_mark_sweep_policy() { return as_concurrent_mark_sweep_policy() != NULL; }
115 bool is_g1_policy() { return as_g1_policy() != NULL; }
112 #else // SERIALGC 116 #else // SERIALGC
113 bool is_concurrent_mark_sweep_policy() { return false; } 117 bool is_concurrent_mark_sweep_policy() { return false; }
118 bool is_g1_policy() { return false; }
114 #endif // SERIALGC 119 #endif // SERIALGC
120
115 121
116 virtual PermanentGenerationSpec *permanent_generation() { 122 virtual PermanentGenerationSpec *permanent_generation() {
117 assert(_permanent_generation != NULL, "Sanity check"); 123 assert(_permanent_generation != NULL, "Sanity check");
118 return _permanent_generation; 124 return _permanent_generation;
119 } 125 }

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