blob: 002eba9a430e8ccaa7a9fbb67acaa49b708c9557 [file] [log] [blame]
// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <vector>
#include "src/base/platform/mutex.h"
#include "src/objects/js-array.h"
namespace v8 {
namespace internal {
class Heap;
// To support background processing of array buffer backing stores, we process
// array buffers using the ArrayBufferTracker class. The ArrayBufferCollector
// keeps track of garbage backing stores so that they can be freed on a
// background thread.
class ArrayBufferCollector {
explicit ArrayBufferCollector(Heap* heap) : heap_(heap) {}
~ArrayBufferCollector() { FreeAllocations(); }
// These allocations will begin to be freed once FreeAllocations() is called,
// or on TearDown.
void AddGarbageAllocations(
std::vector<JSArrayBuffer::Allocation>* allocations);
// Calls FreeAllocations() on a background thread.
void FreeAllocationsOnBackgroundThread();
class FreeingTask;
// Begin freeing the allocations added through AddGarbageAllocations. Also
// called by TearDown.
void FreeAllocations();
Heap* heap_;
base::Mutex allocations_mutex_;
std::vector<std::vector<JSArrayBuffer::Allocation>*> allocations_;
} // namespace internal
} // namespace v8