163 friend class SafeThreadsListPtr; // for {dec,inc}_nested_handle_cnt() access
164 friend class ThreadsSMRSupport; // for _nested_handle_cnt, {add,remove}_thread(), {,set_}next_list() access
165
166 const uint _length;
167 ThreadsList* _next_list;
168 JavaThread *const *const _threads;
169 volatile intx _nested_handle_cnt;
170
171 template <class T>
172 void threads_do_dispatch(T *cl, JavaThread *const thread) const;
173
174 ThreadsList *next_list() const { return _next_list; }
175 void set_next_list(ThreadsList *list) { _next_list = list; }
176
177 void inc_nested_handle_cnt();
178 void dec_nested_handle_cnt();
179
180 static ThreadsList* add_thread(ThreadsList* list, JavaThread* java_thread);
181 static ThreadsList* remove_thread(ThreadsList* list, JavaThread* java_thread);
182
183 public:
184 ThreadsList(int entries);
185 ~ThreadsList();
186
187 template <class T>
188 void threads_do(T *cl) const;
189
190 uint length() const { return _length; }
191
192 JavaThread *const thread_at(uint i) const { return _threads[i]; }
193
194 JavaThread *const *threads() const { return _threads; }
195
196 // Returns -1 if target is not found.
197 int find_index_of_JavaThread(JavaThread* target);
198 JavaThread* find_JavaThread_from_java_tid(jlong java_tid) const;
199 bool includes(const JavaThread * const p) const;
200 };
201
202 // An abstract safe ptr to a ThreadsList comprising either a stable hazard ptr
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163 friend class SafeThreadsListPtr; // for {dec,inc}_nested_handle_cnt() access
164 friend class ThreadsSMRSupport; // for _nested_handle_cnt, {add,remove}_thread(), {,set_}next_list() access
165
166 const uint _length;
167 ThreadsList* _next_list;
168 JavaThread *const *const _threads;
169 volatile intx _nested_handle_cnt;
170
171 template <class T>
172 void threads_do_dispatch(T *cl, JavaThread *const thread) const;
173
174 ThreadsList *next_list() const { return _next_list; }
175 void set_next_list(ThreadsList *list) { _next_list = list; }
176
177 void inc_nested_handle_cnt();
178 void dec_nested_handle_cnt();
179
180 static ThreadsList* add_thread(ThreadsList* list, JavaThread* java_thread);
181 static ThreadsList* remove_thread(ThreadsList* list, JavaThread* java_thread);
182
183 // Used by find_JavaThread_from_java_tid
184 static bool is_valid_java_thread(jlong java_tid, JavaThread* jt);
185 public:
186 ThreadsList(int entries);
187 ~ThreadsList();
188
189 template <class T>
190 void threads_do(T *cl) const;
191
192 uint length() const { return _length; }
193
194 JavaThread *const thread_at(uint i) const { return _threads[i]; }
195
196 JavaThread *const *threads() const { return _threads; }
197
198 // Returns -1 if target is not found.
199 int find_index_of_JavaThread(JavaThread* target);
200 JavaThread* find_JavaThread_from_java_tid(jlong java_tid) const;
201 bool includes(const JavaThread * const p) const;
202 };
203
204 // An abstract safe ptr to a ThreadsList comprising either a stable hazard ptr
|