Ryan Macnak
467e82b668
Bug: https://github.com/dart-lang/sdk/issues/40627 Change-Id: I4a6d49008d8cf73b2bcaca512d52ddcbe7b41c05 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/135796 Reviewed-by: Chinmay Garde <chinmaygarde@google.com> Reviewed-by: Martin Kustermann <kustermann@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
94 lines
2.7 KiB
C++
94 lines
2.7 KiB
C++
// Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef RUNTIME_VM_FINALIZABLE_DATA_H_
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#define RUNTIME_VM_FINALIZABLE_DATA_H_
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#include "include/dart_api.h"
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#include "platform/growable_array.h"
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#include "vm/globals.h"
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namespace dart {
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struct FinalizableData {
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void* data;
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void* peer;
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Dart_WeakPersistentHandleFinalizer callback;
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Dart_WeakPersistentHandleFinalizer successful_write_callback;
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};
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class MessageFinalizableData {
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public:
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MessageFinalizableData()
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: records_(0), get_position_(0), take_position_(0), external_size_(0) {}
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~MessageFinalizableData() {
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for (intptr_t i = take_position_; i < records_.length(); i++) {
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records_[i].callback(nullptr, nullptr, records_[i].peer);
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}
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}
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/// If [successful_write_callback] is provided, it's invoked when message
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/// was serialized successfully.
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/// [callback] is invoked when serialization failed.
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void Put(
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intptr_t external_size,
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void* data,
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void* peer,
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Dart_WeakPersistentHandleFinalizer callback,
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Dart_WeakPersistentHandleFinalizer successful_write_callback = nullptr) {
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FinalizableData finalizable_data;
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finalizable_data.data = data;
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finalizable_data.peer = peer;
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finalizable_data.callback = callback;
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finalizable_data.successful_write_callback = successful_write_callback;
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records_.Add(finalizable_data);
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external_size_ += external_size;
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}
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// Retrieve the next FinalizableData, but still run its finalizer when |this|
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// is destroyed.
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FinalizableData Get() {
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ASSERT(get_position_ < records_.length());
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return records_[get_position_++];
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}
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// Retrieve the next FinalizableData, and skip its finalizer when |this| is
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// destroyed.
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FinalizableData Take() {
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ASSERT(take_position_ < records_.length());
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return records_[take_position_++];
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}
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void SerializationSucceeded() {
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for (intptr_t i = 0; i < records_.length(); i++) {
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if (records_[i].successful_write_callback != nullptr) {
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records_[i].successful_write_callback(nullptr, nullptr,
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records_[i].peer);
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}
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}
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}
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void DropFinalizers() {
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records_.Clear();
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get_position_ = 0;
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take_position_ = 0;
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external_size_ = 0;
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}
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intptr_t external_size() const { return external_size_; }
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private:
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MallocGrowableArray<FinalizableData> records_;
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intptr_t get_position_;
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intptr_t take_position_;
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intptr_t external_size_;
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DISALLOW_COPY_AND_ASSIGN(MessageFinalizableData);
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};
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} // namespace dart
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#endif // RUNTIME_VM_FINALIZABLE_DATA_H_
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