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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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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 | 46 |
47 void Run(); | 47 void Run(); |
48 void Stop(); | 48 void Stop(); |
49 void StartSweeping(); | 49 void StartSweeping(); |
50 void WaitForSweeperThread(); | 50 void WaitForSweeperThread(); |
51 intptr_t StealMemory(PagedSpace* space); | 51 intptr_t StealMemory(PagedSpace* space); |
52 | 52 |
53 static bool sweeping_pending() { return sweeping_pending_; } | |
54 static void set_sweeping_pending(bool sweeping_pending) { | |
55 sweeping_pending_ = sweeping_pending; | |
56 } | |
57 | |
58 ~SweeperThread() { | 53 ~SweeperThread() { |
59 delete start_sweeping_semaphore_; | 54 delete start_sweeping_semaphore_; |
60 delete end_sweeping_semaphore_; | 55 delete end_sweeping_semaphore_; |
61 delete stop_semaphore_; | 56 delete stop_semaphore_; |
62 } | 57 } |
63 | 58 |
64 private: | 59 private: |
65 Isolate* isolate_; | 60 Isolate* isolate_; |
66 Heap* heap_; | 61 Heap* heap_; |
67 MarkCompactCollector* collector_; | 62 MarkCompactCollector* collector_; |
68 Semaphore* start_sweeping_semaphore_; | 63 Semaphore* start_sweeping_semaphore_; |
69 Semaphore* end_sweeping_semaphore_; | 64 Semaphore* end_sweeping_semaphore_; |
70 Semaphore* stop_semaphore_; | 65 Semaphore* stop_semaphore_; |
71 FreeList free_list_old_data_space_; | 66 FreeList free_list_old_data_space_; |
72 FreeList free_list_old_pointer_space_; | 67 FreeList free_list_old_pointer_space_; |
73 FreeList private_free_list_old_data_space_; | 68 FreeList private_free_list_old_data_space_; |
74 FreeList private_free_list_old_pointer_space_; | 69 FreeList private_free_list_old_pointer_space_; |
75 volatile AtomicWord stop_thread_; | 70 volatile AtomicWord stop_thread_; |
76 static bool sweeping_pending_; | |
77 }; | 71 }; |
78 | 72 |
79 } } // namespace v8::internal | 73 } } // namespace v8::internal |
80 | 74 |
81 #endif // V8_SWEEPER_THREAD_H_ | 75 #endif // V8_SWEEPER_THREAD_H_ |
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