third_party/WebKit/Source/platform/heap/Heap.h - Issue 1686943002: Oilpan: Decommit backing storage of CallbackStacks

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Issue 1686943002: Oilpan: Decommit backing storage of CallbackStacks (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 10 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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272 static uint16_t gcGeneration() { return s_gcGeneration; }	272 static uint16_t gcGeneration() { return s_gcGeneration; }

273 #endif	273 #endif

274	274

275 private:	275 private:

276 // Reset counters that track live and allocated-since-last-GC sizes.	276 // Reset counters that track live and allocated-since-last-GC sizes.

277 static void resetHeapCounters();	277 static void resetHeapCounters();

278	278

279 static int heapIndexForObjectSize(size_t);	279 static int heapIndexForObjectSize(size_t);

280 static bool isNormalHeapIndex(int);	280 static bool isNormalHeapIndex(int);

281	281

	282 static void decommitCallbackStacks();

	283

282 static CallbackStack* s_markingStack;	284 static CallbackStack* s_markingStack;

283 static CallbackStack* s_postMarkingCallbackStack;	285 static CallbackStack* s_postMarkingCallbackStack;

284 static CallbackStack* s_globalWeakCallbackStack;	286 static CallbackStack* s_globalWeakCallbackStack;

285 static CallbackStack* s_ephemeronStack;	287 static CallbackStack* s_ephemeronStack;

286 static HeapDoesNotContainCache* s_heapDoesNotContainCache;	288 static HeapDoesNotContainCache* s_heapDoesNotContainCache;

287 static bool s_shutdownCalled;	289 static bool s_shutdownCalled;

288 static FreePagePool* s_freePagePool;	290 static FreePagePool* s_freePagePool;

289 static OrphanedPagePool* s_orphanedPagePool;	291 static OrphanedPagePool* s_orphanedPagePool;

290 static RegionTree* s_regionTree;	292 static RegionTree* s_regionTree;

291 static size_t s_allocatedSpace;	293 static size_t s_allocatedSpace;

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496 void VisitorHelper<Derived>::handleWeakCell(Visitor* self, void* object)	498 void VisitorHelper<Derived>::handleWeakCell(Visitor* self, void* object)

497 {	499 {

498 T cell = reinterpret_cast<T>(object);	500 T cell = reinterpret_cast<T>(object);

499 if (cell && !ObjectAliveTrait<T>::isHeapObjectAlive(cell))	501 if (cell && !ObjectAliveTrait<T>::isHeapObjectAlive(cell))

500 *cell = nullptr;	502 *cell = nullptr;

501 }	503 }

502	504

503 } // namespace blink	505 } // namespace blink

504	506

505 #endif // Heap_h	507 #endif // Heap_h

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