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Side by Side Diff: third_party/WebKit/Source/platform/heap/ThreadState.h

Issue 1358813002: Oilpan: We shouldn't trigger too many conservative GCs when detaching iframes Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 5 years, 2 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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329 329
330 void performIdleGC(double deadlineSeconds); 330 void performIdleGC(double deadlineSeconds);
331 void performIdleLazySweep(double deadlineSeconds); 331 void performIdleLazySweep(double deadlineSeconds);
332 332
333 void scheduleIdleGC(); 333 void scheduleIdleGC();
334 void scheduleIdleLazySweep(); 334 void scheduleIdleLazySweep();
335 void schedulePreciseGC(); 335 void schedulePreciseGC();
336 void scheduleV8FollowupGCIfNeeded(V8GCType); 336 void scheduleV8FollowupGCIfNeeded(V8GCType);
337 void schedulePageNavigationGCIfNeeded(float estimatedRemovalRatio); 337 void schedulePageNavigationGCIfNeeded(float estimatedRemovalRatio);
338 void schedulePageNavigationGC(); 338 void schedulePageNavigationGC();
339 void v8ContextCreated();
340 void v8ContextDisposed();
341
339 void scheduleGCIfNeeded(); 342 void scheduleGCIfNeeded();
340 void setGCState(GCState); 343 void setGCState(GCState);
341 GCState gcState() const; 344 GCState gcState() const;
342 bool isInGC() const { return gcState() == GCRunning; } 345 bool isInGC() const { return gcState() == GCRunning; }
343 bool isSweepingInProgress() const 346 bool isSweepingInProgress() const
344 { 347 {
345 return gcState() == Sweeping || gcState() == SweepingAndPreciseGCSchedul ed || gcState() == SweepingAndIdleGCScheduled; 348 return gcState() == Sweeping || gcState() == SweepingAndPreciseGCSchedul ed || gcState() == SweepingAndIdleGCScheduled;
346 } 349 }
347 350
348 // A GC runs in the following sequence. 351 // A GC runs in the following sequence.
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780 intptr_t* m_endOfStack; 783 intptr_t* m_endOfStack;
781 void* m_safePointScopeMarker; 784 void* m_safePointScopeMarker;
782 Vector<Address> m_safePointStackCopy; 785 Vector<Address> m_safePointStackCopy;
783 bool m_atSafePoint; 786 bool m_atSafePoint;
784 InterruptorVector m_interruptors; 787 InterruptorVector m_interruptors;
785 bool m_sweepForbidden; 788 bool m_sweepForbidden;
786 size_t m_noAllocationCount; 789 size_t m_noAllocationCount;
787 size_t m_gcForbiddenCount; 790 size_t m_gcForbiddenCount;
788 int m_persistentAllocated; 791 int m_persistentAllocated;
789 int m_persistentFreed; 792 int m_persistentFreed;
793 int m_disposedV8ContextCount;
790 BaseHeap* m_heaps[NumberOfHeaps]; 794 BaseHeap* m_heaps[NumberOfHeaps];
791 795
792 int m_vectorBackingHeapIndex; 796 int m_vectorBackingHeapIndex;
793 size_t m_heapAges[NumberOfHeaps]; 797 size_t m_heapAges[NumberOfHeaps];
794 size_t m_currentHeapAges; 798 size_t m_currentHeapAges;
795 799
796 bool m_isTerminating; 800 bool m_isTerminating;
797 GarbageCollectedMixinConstructorMarker* m_gcMixinMarker; 801 GarbageCollectedMixinConstructorMarker* m_gcMixinMarker;
798 802
799 bool m_shouldFlushHeapDoesNotContainCache; 803 bool m_shouldFlushHeapDoesNotContainCache;
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838 }; 842 };
839 843
840 template<> class ThreadStateFor<AnyThread> { 844 template<> class ThreadStateFor<AnyThread> {
841 public: 845 public:
842 static ThreadState* state() { return ThreadState::current(); } 846 static ThreadState* state() { return ThreadState::current(); }
843 }; 847 };
844 848
845 } // namespace blink 849 } // namespace blink
846 850
847 #endif // ThreadState_h 851 #endif // ThreadState_h
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