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// Copyright 2020 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.
#ifndef V8_HEAP_CPPGC_PREFINALIZER_HANDLER_H_
#define V8_HEAP_CPPGC_PREFINALIZER_HANDLER_H_
#include <vector>
#include "include/cppgc/prefinalizer.h"
namespace cppgc {
namespace internal {
class HeapBase;
class PreFinalizerHandler final {
public:
using PreFinalizer =
cppgc::internal::PreFinalizerRegistrationDispatcher::PreFinalizer;
explicit PreFinalizerHandler(HeapBase& heap);
void RegisterPrefinalizer(PreFinalizer pre_finalizer);
void InvokePreFinalizers();
bool IsInvokingPreFinalizers() const { return is_invoking_; }
private:
// Checks that the current thread is the thread that created the heap.
bool CurrentThreadIsCreationThread();
// Pre-finalizers are called in the reverse order in which they are
// registered by the constructors (including constructors of Mixin
// objects) for an object, by processing the ordered_pre_finalizers_
// back-to-front.
std::vector<PreFinalizer> ordered_pre_finalizers_;
HeapBase& heap_;
bool is_invoking_ = false;
#ifdef DEBUG
int creation_thread_id_;
#endif
};
} // namespace internal
} // namespace cppgc
#endif // V8_HEAP_CPPGC_PREFINALIZER_HANDLER_H_
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