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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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42 | 42 |
43 class SweeperThread : public Thread { | 43 class SweeperThread : public Thread { |
44 public: | 44 public: |
45 explicit SweeperThread(Isolate* isolate); | 45 explicit SweeperThread(Isolate* isolate); |
46 ~SweeperThread() {} | 46 ~SweeperThread() {} |
47 | 47 |
48 void Run(); | 48 void Run(); |
49 void Stop(); | 49 void Stop(); |
50 void StartSweeping(); | 50 void StartSweeping(); |
51 void WaitForSweeperThread(); | 51 void WaitForSweeperThread(); |
52 intptr_t StealMemory(PagedSpace* space); | |
53 | 52 |
54 static int NumberOfThreads(int max_available); | 53 static int NumberOfThreads(int max_available); |
55 | 54 |
56 private: | 55 private: |
57 Isolate* isolate_; | 56 Isolate* isolate_; |
58 Heap* heap_; | 57 Heap* heap_; |
59 MarkCompactCollector* collector_; | 58 MarkCompactCollector* collector_; |
60 Semaphore start_sweeping_semaphore_; | 59 Semaphore start_sweeping_semaphore_; |
61 Semaphore end_sweeping_semaphore_; | 60 Semaphore end_sweeping_semaphore_; |
62 Semaphore stop_semaphore_; | 61 Semaphore stop_semaphore_; |
63 FreeList free_list_old_data_space_; | |
64 FreeList free_list_old_pointer_space_; | |
65 FreeList private_free_list_old_data_space_; | 62 FreeList private_free_list_old_data_space_; |
66 FreeList private_free_list_old_pointer_space_; | 63 FreeList private_free_list_old_pointer_space_; |
67 volatile AtomicWord stop_thread_; | 64 volatile AtomicWord stop_thread_; |
68 }; | 65 }; |
69 | 66 |
70 } } // namespace v8::internal | 67 } } // namespace v8::internal |
71 | 68 |
72 #endif // V8_SWEEPER_THREAD_H_ | 69 #endif // V8_SWEEPER_THREAD_H_ |
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