// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/objects/managed.h"
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namespace v8 {
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namespace internal {
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namespace {
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// Called by the GC in its second pass when a Managed<CppType> is
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// garbage collected.
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void ManagedObjectFinalizerSecondPass(const v8::WeakCallbackInfo<void>& data) {
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auto destructor =
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reinterpret_cast<ManagedPtrDestructor*>(data.GetParameter());
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int64_t adjustment = 0 - static_cast<int64_t>(destructor->estimated_size_);
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destructor->destructor_(destructor->shared_ptr_ptr_);
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delete destructor;
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data.GetIsolate()->AdjustAmountOfExternalAllocatedMemory(adjustment);
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}
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} // namespace
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// Called by the GC in its first pass when a Managed<CppType> is
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// garbage collected.
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void ManagedObjectFinalizer(const v8::WeakCallbackInfo<void>& data) {
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auto destructor =
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reinterpret_cast<ManagedPtrDestructor*>(data.GetParameter());
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GlobalHandles::Destroy(destructor->global_handle_location_);
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Isolate* isolate = reinterpret_cast<Isolate*>(data.GetIsolate());
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isolate->UnregisterManagedPtrDestructor(destructor);
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// We need to do the main work as a second pass callback because
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// it can trigger garbage collection. The first pass callbacks
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// are not allowed to invoke V8 API.
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data.SetSecondPassCallback(&ManagedObjectFinalizerSecondPass);
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}
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} // namespace internal
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} // namespace v8
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