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Side by Side Diff: Source/platform/heap/Heap.h

Issue 1149943003: Oilpan: Rename weak callback related methods (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 5 years, 7 months ago
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1 /* 1 /*
2 * Copyright (C) 2013 Google Inc. All rights reserved. 2 * Copyright (C) 2013 Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are 5 * modification, are permitted provided that the following conditions are
6 * met: 6 * met:
7 * 7 *
8 * * Redistributions of source code must retain the above copyright 8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above 10 * * Redistributions in binary form must reproduce the above
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859 // iteration). 859 // iteration).
860 static void pushPostMarkingCallback(void*, TraceCallback); 860 static void pushPostMarkingCallback(void*, TraceCallback);
861 861
862 // Add a weak pointer callback to the weak callback work list. General 862 // Add a weak pointer callback to the weak callback work list. General
863 // object pointer callbacks are added to a thread local weak callback work 863 // object pointer callbacks are added to a thread local weak callback work
864 // list and the callback is called on the thread that owns the object, with 864 // list and the callback is called on the thread that owns the object, with
865 // the closure pointer as an argument. Most of the time, the closure and 865 // the closure pointer as an argument. Most of the time, the closure and
866 // the containerObject can be the same thing, but the containerObject is 866 // the containerObject can be the same thing, but the containerObject is
867 // constrained to be on the heap, since the heap is used to identify the 867 // constrained to be on the heap, since the heap is used to identify the
868 // correct thread. 868 // correct thread.
869 static void pushWeakPointerCallback(void* closure, void* containerObject, We akPointerCallback); 869 static void pushThreadLocalWeakCallback(void* closure, void* containerObject , WeakCallback);
870 870
871 // Similar to the more general pushWeakPointerCallback, but cell 871 // Similar to the more general pushThreadLocalWeakCallback, but cell
872 // pointer callbacks are added to a static callback work list and the weak 872 // pointer callbacks are added to a static callback work list and the weak
873 // callback is performed on the thread performing garbage collection. This 873 // callback is performed on the thread performing garbage collection. This
874 // is OK because cells are just cleared and no deallocation can happen. 874 // is OK because cells are just cleared and no deallocation can happen.
875 static void pushWeakCellPointerCallback(void** cell, WeakPointerCallback); 875 static void pushGlobalWeakCallback(void** cell, WeakCallback);
876 876
877 // Pop the top of a marking stack and call the callback with the visitor 877 // Pop the top of a marking stack and call the callback with the visitor
878 // and the object. Returns false when there is nothing more to do. 878 // and the object. Returns false when there is nothing more to do.
879 static bool popAndInvokeTraceCallback(Visitor*); 879 static bool popAndInvokeTraceCallback(Visitor*);
880 880
881 // Remove an item from the post-marking callback stack and call 881 // Remove an item from the post-marking callback stack and call
882 // the callback with the visitor and the object pointer. Returns 882 // the callback with the visitor and the object pointer. Returns
883 // false when there is nothing more to do. 883 // false when there is nothing more to do.
884 static bool popAndInvokePostMarkingCallback(Visitor*); 884 static bool popAndInvokePostMarkingCallback(Visitor*);
885 885
886 // Remove an item from the weak callback work list and call the callback 886 // Remove an item from the weak callback work list and call the callback
887 // with the visitor and the closure pointer. Returns false when there is 887 // with the visitor and the closure pointer. Returns false when there is
888 // nothing more to do. 888 // nothing more to do.
889 static bool popAndInvokeWeakPointerCallback(Visitor*); 889 static bool popAndInvokeGlobalWeakCallback(Visitor*);
890 890
891 // Register an ephemeron table for fixed-point iteration. 891 // Register an ephemeron table for fixed-point iteration.
892 static void registerWeakTable(void* containerObject, EphemeronCallback, Ephe meronCallback); 892 static void registerWeakTable(void* containerObject, EphemeronCallback, Ephe meronCallback);
893 #if ENABLE(ASSERT) 893 #if ENABLE(ASSERT)
894 static bool weakTableRegistered(const void*); 894 static bool weakTableRegistered(const void*);
895 #endif 895 #endif
896 896
897 static inline size_t allocationSizeFromSize(size_t size) 897 static inline size_t allocationSizeFromSize(size_t size)
898 { 898 {
899 // Check the size before computing the actual allocation size. The 899 // Check the size before computing the actual allocation size. The
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1014 RegionTree* m_left; 1014 RegionTree* m_left;
1015 RegionTree* m_right; 1015 RegionTree* m_right;
1016 }; 1016 };
1017 1017
1018 // Reset counters that track live and allocated-since-last-GC sizes. 1018 // Reset counters that track live and allocated-since-last-GC sizes.
1019 static void resetHeapCounters(); 1019 static void resetHeapCounters();
1020 1020
1021 static Visitor* s_markingVisitor; 1021 static Visitor* s_markingVisitor;
1022 static CallbackStack* s_markingStack; 1022 static CallbackStack* s_markingStack;
1023 static CallbackStack* s_postMarkingCallbackStack; 1023 static CallbackStack* s_postMarkingCallbackStack;
1024 static CallbackStack* s_weakCallbackStack; 1024 static CallbackStack* s_globalWeakCallbackStack;
1025 static CallbackStack* s_ephemeronStack; 1025 static CallbackStack* s_ephemeronStack;
1026 static HeapDoesNotContainCache* s_heapDoesNotContainCache; 1026 static HeapDoesNotContainCache* s_heapDoesNotContainCache;
1027 static bool s_shutdownCalled; 1027 static bool s_shutdownCalled;
1028 static bool s_lastGCWasConservative; 1028 static bool s_lastGCWasConservative;
1029 static FreePagePool* s_freePagePool; 1029 static FreePagePool* s_freePagePool;
1030 static OrphanedPagePool* s_orphanedPagePool; 1030 static OrphanedPagePool* s_orphanedPagePool;
1031 static RegionTree* s_regionTree; 1031 static RegionTree* s_regionTree;
1032 static size_t s_allocatedSpace; 1032 static size_t s_allocatedSpace;
1033 static size_t s_allocatedObjectSize; 1033 static size_t s_allocatedObjectSize;
1034 static size_t s_markedObjectSize; 1034 static size_t s_markedObjectSize;
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1273 size_t copySize = previousHeader->payloadSize(); 1273 size_t copySize = previousHeader->payloadSize();
1274 if (copySize > size) 1274 if (copySize > size)
1275 copySize = size; 1275 copySize = size;
1276 memcpy(address, previous, copySize); 1276 memcpy(address, previous, copySize);
1277 return address; 1277 return address;
1278 } 1278 }
1279 1279
1280 } // namespace blink 1280 } // namespace blink
1281 1281
1282 #endif // Heap_h 1282 #endif // Heap_h
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