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

Issue 175503003: Add safe interface for collections of UniquePersistent (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 9 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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154 // Returns the current number of weak handles to global objects. 154 // Returns the current number of weak handles to global objects.
155 // These handles are also included in NumberOfWeakHandles(). 155 // These handles are also included in NumberOfWeakHandles().
156 int NumberOfGlobalObjectWeakHandles(); 156 int NumberOfGlobalObjectWeakHandles();
157 157
158 // Returns the current number of handles to global objects. 158 // Returns the current number of handles to global objects.
159 int global_handles_count() const { 159 int global_handles_count() const {
160 return number_of_global_handles_; 160 return number_of_global_handles_;
161 } 161 }
162 162
163 // Clear the weakness of a global handle. 163 // Clear the weakness of a global handle.
164 static void ClearWeakness(Object** location); 164 static void* ClearWeakness(Object** location);
165 165
166 // Clear the weakness of a global handle. 166 // Clear the weakness of a global handle.
167 static void MarkIndependent(Object** location); 167 static void MarkIndependent(Object** location);
168 168
169 // Mark the reference to this object externaly unreachable. 169 // Mark the reference to this object externaly unreachable.
170 static void MarkPartiallyDependent(Object** location); 170 static void MarkPartiallyDependent(Object** location);
171 171
172 static bool IsIndependent(Object** location); 172 static bool IsIndependent(Object** location);
173 173
174 // Tells whether global handle is near death. 174 // Tells whether global handle is near death.
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400 List<int> new_space_indices_; 400 List<int> new_space_indices_;
401 int singleton_handles_[NUMBER_OF_SINGLETON_HANDLES]; 401 int singleton_handles_[NUMBER_OF_SINGLETON_HANDLES];
402 402
403 DISALLOW_COPY_AND_ASSIGN(EternalHandles); 403 DISALLOW_COPY_AND_ASSIGN(EternalHandles);
404 }; 404 };
405 405
406 406
407 } } // namespace v8::internal 407 } } // namespace v8::internal
408 408
409 #endif // V8_GLOBAL_HANDLES_H_ 409 #endif // V8_GLOBAL_HANDLES_H_
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