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1 // Copyright 2007-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2007-2008 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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71 // function is invoked (for each handle) with the handle and corresponding | 71 // function is invoked (for each handle) with the handle and corresponding |
72 // parameter as arguments. Note: cleared means set to Smi::FromInt(0). The | 72 // parameter as arguments. Note: cleared means set to Smi::FromInt(0). The |
73 // reason is that Smi::FromInt(0) does not change during garage collection. | 73 // reason is that Smi::FromInt(0) does not change during garage collection. |
74 static void MakeWeak(Object** location, | 74 static void MakeWeak(Object** location, |
75 void* parameter, | 75 void* parameter, |
76 WeakReferenceCallback callback); | 76 WeakReferenceCallback callback); |
77 | 77 |
78 // Returns the current number of weak handles. | 78 // Returns the current number of weak handles. |
79 static int NumberOfWeakHandles() { return number_of_weak_handles_; } | 79 static int NumberOfWeakHandles() { return number_of_weak_handles_; } |
80 | 80 |
| 81 static void RecordStats(HeapStats* stats); |
| 82 |
81 // Returns the current number of weak handles to global objects. | 83 // Returns the current number of weak handles to global objects. |
82 // These handles are also included in NumberOfWeakHandles(). | 84 // These handles are also included in NumberOfWeakHandles(). |
83 static int NumberOfGlobalObjectWeakHandles() { | 85 static int NumberOfGlobalObjectWeakHandles() { |
84 return number_of_global_object_weak_handles_; | 86 return number_of_global_object_weak_handles_; |
85 } | 87 } |
86 | 88 |
87 // Clear the weakness of a global handle. | 89 // Clear the weakness of a global handle. |
88 static void ClearWeakness(Object** location); | 90 static void ClearWeakness(Object** location); |
89 | 91 |
90 // Tells whether global handle is near death. | 92 // Tells whether global handle is near death. |
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169 static Node* first_deallocated() { return first_deallocated_; } | 171 static Node* first_deallocated() { return first_deallocated_; } |
170 static void set_first_deallocated(Node* value) { | 172 static void set_first_deallocated(Node* value) { |
171 first_deallocated_ = value; | 173 first_deallocated_ = value; |
172 } | 174 } |
173 }; | 175 }; |
174 | 176 |
175 | 177 |
176 } } // namespace v8::internal | 178 } } // namespace v8::internal |
177 | 179 |
178 #endif // V8_GLOBAL_HANDLES_H_ | 180 #endif // V8_GLOBAL_HANDLES_H_ |
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