/
githubmirror
/
node
Обзор
Документация
Войти
/
githubmirror
/
node
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
main
deps/v8/src/utils/locked-queue.h
47 строк
1 KB
Michaël Zasso
deps: update V8 to 13.6.233.8
02 май 2025, 16:06
Не верифицирован
02 май 2025, 16:06
918fe04
Код
Авторство
О чём код?
// Copyright 2015 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_UTILS_LOCKED_QUEUE_H_ #define V8_UTILS_LOCKED_QUEUE_H_ #include <atomic> #include "src/base/platform/mutex.h" #include "src/base/platform/platform.h" namespace v8 { namespace internal { // Simple lock-based unbounded size queue (multi producer; multi consumer) based // on "Simple, Fast, and Practical Non-Blocking and Blocking Concurrent Queue // Algorithms" by M. Scott and M. Michael. // See: // https://www.cs.rochester.edu/research/synchronization/pseudocode/queues.html template <typename Record> class LockedQueue final { public: inline LockedQueue(); LockedQueue(const LockedQueue&) = delete; LockedQueue& operator=(const LockedQueue&) = delete; inline ~LockedQueue(); inline void Enqueue(Record record); inline bool Dequeue(Record* record); inline bool IsEmpty() const; inline bool Peek(Record* record) const; inline size_t size() const; private: struct Node; mutable base::Mutex head_mutex_; base::Mutex tail_mutex_; Node* head_; Node* tail_; std::atomic<size_t> size_; }; } // namespace internal } // namespace v8 #endif // V8_UTILS_LOCKED_QUEUE_H_