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Side by Side Diff: src/global-handles.h

Issue 16153003: de-isolate remaining persistent calls (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 6 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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131 static void Destroy(Object** location); 131 static void Destroy(Object** location);
132 132
133 typedef WeakReferenceCallbacks<v8::Value, void>::Revivable RevivableCallback; 133 typedef WeakReferenceCallbacks<v8::Value, void>::Revivable RevivableCallback;
134 134
135 // Make the global handle weak and set the callback parameter for the 135 // Make the global handle weak and set the callback parameter for the
136 // handle. When the garbage collector recognizes that only weak global 136 // handle. When the garbage collector recognizes that only weak global
137 // handles point to an object the handles are cleared and the callback 137 // handles point to an object the handles are cleared and the callback
138 // function is invoked (for each handle) with the handle and corresponding 138 // function is invoked (for each handle) with the handle and corresponding
139 // parameter as arguments. Note: cleared means set to Smi::FromInt(0). The 139 // parameter as arguments. Note: cleared means set to Smi::FromInt(0). The
140 // reason is that Smi::FromInt(0) does not change during garage collection. 140 // reason is that Smi::FromInt(0) does not change during garage collection.
141 void MakeWeak(Object** location, 141 static void MakeWeak(Object** location,
142 void* parameter, 142 void* parameter,
143 RevivableCallback weak_reference_callback, 143 RevivableCallback weak_reference_callback,
144 NearDeathCallback near_death_callback); 144 NearDeathCallback near_death_callback);
145 145
146 void RecordStats(HeapStats* stats); 146 void RecordStats(HeapStats* stats);
147 147
148 // Returns the current number of weak handles. 148 // Returns the current number of weak handles.
149 int NumberOfWeakHandles(); 149 int NumberOfWeakHandles();
150 150
151 // Returns the current number of weak handles to global objects. 151 // Returns the current number of weak handles to global objects.
152 // These handles are also included in NumberOfWeakHandles(). 152 // These handles are also included in NumberOfWeakHandles().
153 int NumberOfGlobalObjectWeakHandles(); 153 int NumberOfGlobalObjectWeakHandles();
154 154
155 // Returns the current number of handles to global objects. 155 // Returns the current number of handles to global objects.
156 int NumberOfGlobalHandles() { 156 int NumberOfGlobalHandles() {
157 return number_of_global_handles_; 157 return number_of_global_handles_;
158 } 158 }
159 159
160 // Clear the weakness of a global handle. 160 // Clear the weakness of a global handle.
161 void ClearWeakness(Object** location); 161 static void ClearWeakness(Object** location);
162 162
163 // Clear the weakness of a global handle. 163 // Clear the weakness of a global handle.
164 void MarkIndependent(Object** location); 164 static void MarkIndependent(Object** location);
165 165
166 // Mark the reference to this object externaly unreachable. 166 // Mark the reference to this object externaly unreachable.
167 void MarkPartiallyDependent(Object** location); 167 static void MarkPartiallyDependent(Object** location);
168 168
169 static bool IsIndependent(Object** location); 169 static bool IsIndependent(Object** location);
170 170
171 // Tells whether global handle is near death. 171 // Tells whether global handle is near death.
172 static bool IsNearDeath(Object** location); 172 static bool IsNearDeath(Object** location);
173 173
174 // Tells whether global handle is weak. 174 // Tells whether global handle is weak.
175 static bool IsWeak(Object** location); 175 static bool IsWeak(Object** location);
176 176
177 // Process pending weak handles. 177 // Process pending weak handles.
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328 328
329 friend class Isolate; 329 friend class Isolate;
330 330
331 DISALLOW_COPY_AND_ASSIGN(GlobalHandles); 331 DISALLOW_COPY_AND_ASSIGN(GlobalHandles);
332 }; 332 };
333 333
334 334
335 } } // namespace v8::internal 335 } } // namespace v8::internal
336 336
337 #endif // V8_GLOBAL_HANDLES_H_ 337 #endif // V8_GLOBAL_HANDLES_H_
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