47 ZMarkStripeSet _stripes; 48 ZMarkTerminate _terminate; 49 volatile bool _work_terminateflush; 50 volatile size_t _work_nproactiveflush; 51 volatile size_t _work_nterminateflush; 52 size_t _nproactiveflush; 53 size_t _nterminateflush; 54 size_t _ntrycomplete; 55 size_t _ncontinue; 56 uint _nworkers; 57 58 size_t calculate_nstripes(uint nworkers) const; 59 void prepare_mark(); 60 61 bool is_array(uintptr_t addr) const; 62 void push_partial_array(uintptr_t addr, size_t size, bool finalizable); 63 void follow_small_array(uintptr_t addr, size_t size, bool finalizable); 64 void follow_large_array(uintptr_t addr, size_t size, bool finalizable); 65 void follow_array(uintptr_t addr, size_t size, bool finalizable); 66 void follow_partial_array(ZMarkStackEntry entry, bool finalizable); 67 void follow_array_object(objArrayOop obj, bool finalizable); 68 void follow_object(oop obj, bool finalizable); 69 bool try_mark_object(ZMarkCache* cache, uintptr_t addr, bool finalizable); 70 void mark_and_follow(ZMarkCache* cache, ZMarkStackEntry entry); 71 72 template <typename T> bool drain(ZMarkStripe* stripe, 73 ZMarkThreadLocalStacks* stacks, 74 ZMarkCache* cache, 75 T* timeout); 76 template <typename T> bool drain_and_flush(ZMarkStripe* stripe, 77 ZMarkThreadLocalStacks* stacks, 78 ZMarkCache* cache, 79 T* timeout); 80 bool try_steal(ZMarkStripe* stripe, ZMarkThreadLocalStacks* stacks); 81 void idle() const; 82 bool flush(bool at_safepoint); 83 bool try_proactive_flush(); 84 bool try_flush(volatile size_t* nflush); 85 bool try_terminate(); 86 bool try_complete(); 87 bool try_end(); 88 89 void prepare_work(); 90 void finish_work(); 91 92 void work_without_timeout(ZMarkCache* cache, 93 ZMarkStripe* stripe, 94 ZMarkThreadLocalStacks* stacks); 95 void work_with_timeout(ZMarkCache* cache, 96 ZMarkStripe* stripe, 97 ZMarkThreadLocalStacks* stacks, 98 uint64_t timeout_in_millis); 99 void work(uint64_t timeout_in_millis); 100 101 void verify_all_stacks_empty() const; 102 103 public: 104 ZMark(ZWorkers* workers, ZPageTable* page_table); 105 106 bool is_initialized() const; 107 108 template <bool finalizable, bool publish> void mark_object(uintptr_t addr); 109 110 void start(); 111 void mark(bool initial); 112 bool end(); 113 114 void flush_and_free(); 115 bool flush_and_free(Thread* thread); 116 }; 117 118 #endif // SHARE_GC_Z_ZMARK_HPP | 47 ZMarkStripeSet _stripes; 48 ZMarkTerminate _terminate; 49 volatile bool _work_terminateflush; 50 volatile size_t _work_nproactiveflush; 51 volatile size_t _work_nterminateflush; 52 size_t _nproactiveflush; 53 size_t _nterminateflush; 54 size_t _ntrycomplete; 55 size_t _ncontinue; 56 uint _nworkers; 57 58 size_t calculate_nstripes(uint nworkers) const; 59 void prepare_mark(); 60 61 bool is_array(uintptr_t addr) const; 62 void push_partial_array(uintptr_t addr, size_t size, bool finalizable); 63 void follow_small_array(uintptr_t addr, size_t size, bool finalizable); 64 void follow_large_array(uintptr_t addr, size_t size, bool finalizable); 65 void follow_array(uintptr_t addr, size_t size, bool finalizable); 66 void follow_partial_array(ZMarkStackEntry entry, bool finalizable); 67 void follow_array_object(objArrayOop obj, bool follow, bool finalizable); 68 void follow_object(oop obj, bool finalizable); 69 bool try_mark_object(ZMarkCache* cache, uintptr_t addr, bool finalizable); 70 void mark_and_follow(ZMarkCache* cache, ZMarkStackEntry entry); 71 72 template <typename T> bool drain(ZMarkStripe* stripe, 73 ZMarkThreadLocalStacks* stacks, 74 ZMarkCache* cache, 75 T* timeout); 76 template <typename T> bool drain_and_flush(ZMarkStripe* stripe, 77 ZMarkThreadLocalStacks* stacks, 78 ZMarkCache* cache, 79 T* timeout); 80 bool try_steal(ZMarkStripe* stripe, ZMarkThreadLocalStacks* stacks); 81 void idle() const; 82 bool flush(bool at_safepoint); 83 bool try_proactive_flush(); 84 bool try_flush(volatile size_t* nflush); 85 bool try_terminate(); 86 bool try_complete(); 87 bool try_end(); 88 89 void prepare_work(); 90 void finish_work(); 91 92 void work_without_timeout(ZMarkCache* cache, 93 ZMarkStripe* stripe, 94 ZMarkThreadLocalStacks* stacks); 95 void work_with_timeout(ZMarkCache* cache, 96 ZMarkStripe* stripe, 97 ZMarkThreadLocalStacks* stacks, 98 uint64_t timeout_in_millis); 99 void work(uint64_t timeout_in_millis); 100 101 void verify_all_stacks_empty() const; 102 103 public: 104 ZMark(ZWorkers* workers, ZPageTable* page_table); 105 106 bool is_initialized() const; 107 108 template <bool follow, bool finalizable, bool publish> void mark_object(uintptr_t addr); 109 110 void start(); 111 void mark(bool initial); 112 bool end(); 113 114 void flush_and_free(); 115 bool flush_and_free(Thread* thread); 116 }; 117 118 #endif // SHARE_GC_Z_ZMARK_HPP |