src/third_party/WebKit/Source/core/dom/DOMArrayBufferDeallocationObserver.cpp

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "config.h"
   6 #include "core/dom/DOMArrayBufferDeallocationObserver.h"
   7
   8 #include "wtf/Threading.h"
   9 #include <v8.h>
  10
  11 namespace blink {
  12
  13 DOMArrayBufferDeallocationObserver* DOMArrayBufferDeallocationObserver::instance()
  14 {
  15     AtomicallyInitializedStatic(
  16         DOMArrayBufferDeallocationObserver*,
  17         deallocationObserver = new DOMArrayBufferDeallocationObserver);
  18     return deallocationObserver;
  19 }
  20
  21 void DOMArrayBufferDeallocationObserver::arrayBufferDeallocated(unsigned sizeInBytes)
  22 {
  23     v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(-static_cast<int>(sizeInBytes));
  24 }
  25
  26 void DOMArrayBufferDeallocationObserver::blinkAllocatedMemory(unsigned sizeInBytes)
  27 {
  28     v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(static_cast<int>(sizeInBytes));
  29 }
  30
  31 } // namespace blink