Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/referenceProcessor.hpp
src/share/vm/memory/referenceProcessor.hpp
- changeset 3117
- eca1193ca245
- parent 3115
- c2bf0120ee5d
- child 3175
- 4dfb2df418f2
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| 3116:05550041d664 | 3117:eca1193ca245 |
|---|---|
| 50 class AbstractRefProcTaskExecutor; | 50 class AbstractRefProcTaskExecutor; |
| 51 class DiscoveredList; | 51 class DiscoveredList; |
| 52 | 52 |
| 53 class ReferenceProcessor : public CHeapObj { | 53 class ReferenceProcessor : public CHeapObj { |
| 54 protected: | 54 protected: |
| 55 // Compatibility with pre-4965777 JDK's | |
| 56 static bool _pending_list_uses_discovered_field; | |
| 55 MemRegion _span; // (right-open) interval of heap | 57 MemRegion _span; // (right-open) interval of heap |
| 56 // subject to wkref discovery | 58 // subject to wkref discovery |
| 57 bool _discovering_refs; // true when discovery enabled | 59 bool _discovering_refs; // true when discovery enabled |
| 58 bool _discovery_is_atomic; // if discovery is atomic wrt | 60 bool _discovery_is_atomic; // if discovery is atomic wrt |
| 59 // other collectors in configuration | 61 // other collectors in configuration |
| 109 _always_clear_soft_ref_policy : _default_soft_ref_policy; | 111 _always_clear_soft_ref_policy : _default_soft_ref_policy; |
| 110 _current_soft_ref_policy->setup(); // snapshot the policy threshold | 112 _current_soft_ref_policy->setup(); // snapshot the policy threshold |
| 111 return _current_soft_ref_policy; | 113 return _current_soft_ref_policy; |
| 112 } | 114 } |
| 113 | 115 |
| 114 public: | |
| 115 // Process references with a certain reachability level. | 116 // Process references with a certain reachability level. |
| 116 void process_discovered_reflist(DiscoveredList refs_lists[], | 117 void process_discovered_reflist(DiscoveredList refs_lists[], |
| 117 ReferencePolicy* policy, | 118 ReferencePolicy* policy, |
| 118 bool clear_referent, | 119 bool clear_referent, |
| 119 BoolObjectClosure* is_alive, | 120 BoolObjectClosure* is_alive, |
| 295 | 296 |
| 296 // whether discovery is atomic wrt other collectors | 297 // whether discovery is atomic wrt other collectors |
| 297 bool discovery_is_atomic() const { return _discovery_is_atomic; } | 298 bool discovery_is_atomic() const { return _discovery_is_atomic; } |
| 298 void set_atomic_discovery(bool atomic) { _discovery_is_atomic = atomic; } | 299 void set_atomic_discovery(bool atomic) { _discovery_is_atomic = atomic; } |
| 299 | 300 |
| 301 // whether the JDK in which we are embedded is a pre-4965777 JDK, | |
| 302 // and thus whether or not it uses the discovered field to chain | |
| 303 // the entries in the pending list. | |
| 304 static bool pending_list_uses_discovered_field() { | |
| 305 return _pending_list_uses_discovered_field; | |
| 306 } | |
| 307 | |
| 300 // whether discovery is done by multiple threads same-old-timeously | 308 // whether discovery is done by multiple threads same-old-timeously |
| 301 bool discovery_is_mt() const { return _discovery_is_mt; } | 309 bool discovery_is_mt() const { return _discovery_is_mt; } |
| 302 void set_mt_discovery(bool mt) { _discovery_is_mt = mt; } | 310 void set_mt_discovery(bool mt) { _discovery_is_mt = mt; } |
| 303 | 311 |
| 304 // Whether we are in a phase when _processing_ is MT. | 312 // Whether we are in a phase when _processing_ is MT. |
