Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/genCollectedHeap.hpp
src/share/vm/memory/genCollectedHeap.hpp
- changeset 6992
- 2c6ef90f030a
- parent 6978
- 30c99d8e0f02
- child 7070
- 439f0d76cff3
equal
deleted
inserted
replaced
| 6991:882004b9e7e1 | 6992:2c6ef90f030a |
|---|---|
| 76 | 76 |
| 77 // In support of ExplicitGCInvokesConcurrent functionality | 77 // In support of ExplicitGCInvokesConcurrent functionality |
| 78 unsigned int _full_collections_completed; | 78 unsigned int _full_collections_completed; |
| 79 | 79 |
| 80 // Data structure for claiming the (potentially) parallel tasks in | 80 // Data structure for claiming the (potentially) parallel tasks in |
| 81 // (gen-specific) strong roots processing. | 81 // (gen-specific) roots processing. |
| 82 SubTasksDone* _gen_process_strong_tasks; | 82 SubTasksDone* _gen_process_roots_tasks; |
| 83 SubTasksDone* gen_process_strong_tasks() { return _gen_process_strong_tasks; } | 83 SubTasksDone* gen_process_roots_tasks() { return _gen_process_roots_tasks; } |
| 84 | 84 |
| 85 // In block contents verification, the number of header words to skip | 85 // In block contents verification, the number of header words to skip |
| 86 NOT_PRODUCT(static size_t _skip_header_HeapWords;) | 86 NOT_PRODUCT(static size_t _skip_header_HeapWords;) |
| 87 | 87 |
| 88 protected: | 88 protected: |
| 409 // explicitly mark reachable objects in younger generations, to avoid | 409 // explicitly mark reachable objects in younger generations, to avoid |
| 410 // excess storage retention.) | 410 // excess storage retention.) |
| 411 // The "so" argument determines which of the roots | 411 // The "so" argument determines which of the roots |
| 412 // the closure is applied to: | 412 // the closure is applied to: |
| 413 // "SO_None" does none; | 413 // "SO_None" does none; |
| 414 // "SO_AllClasses" applies the closure to all entries in the SystemDictionary; | 414 private: |
| 415 // "SO_SystemClasses" to all the "system" classes and loaders; | 415 void gen_process_roots(int level, |
| 416 // "SO_Strings" applies the closure to all entries in the StringTable. | 416 bool younger_gens_as_roots, |
| 417 void gen_process_strong_roots(int level, | 417 bool activate_scope, |
| 418 bool younger_gens_as_roots, | 418 SharedHeap::ScanningOption so, |
| 419 // The remaining arguments are in an order | 419 OopsInGenClosure* not_older_gens, |
| 420 // consistent with SharedHeap::process_strong_roots: | 420 OopsInGenClosure* weak_roots, |
| 421 bool activate_scope, | 421 OopsInGenClosure* older_gens, |
| 422 SharedHeap::ScanningOption so, | 422 CLDClosure* cld_closure, |
| 423 OopsInGenClosure* not_older_gens, | 423 CLDClosure* weak_cld_closure, |
| 424 OopsInGenClosure* older_gens, | 424 CodeBlobClosure* code_closure); |
| 425 KlassClosure* klass_closure); | 425 |
| 426 public: | |
| 427 static const bool StrongAndWeakRoots = false; | |
| 428 static const bool StrongRootsOnly = true; | |
| 429 | |
| 430 void gen_process_roots(int level, | |
| 431 bool younger_gens_as_roots, | |
| 432 bool activate_scope, | |
| 433 SharedHeap::ScanningOption so, | |
| 434 bool only_strong_roots, | |
| 435 OopsInGenClosure* not_older_gens, | |
| 436 OopsInGenClosure* older_gens, | |
| 437 CLDClosure* cld_closure); | |
| 426 | 438 |
| 427 // Apply "root_closure" to all the weak roots of the system. | 439 // Apply "root_closure" to all the weak roots of the system. |
| 428 // These include JNI weak roots, string table, | 440 // These include JNI weak roots, string table, |
| 429 // and referents of reachable weak refs. | 441 // and referents of reachable weak refs. |
| 430 void gen_process_weak_roots(OopClosure* root_closure); | 442 void gen_process_weak_roots(OopClosure* root_closure); |
