c++ - C++11 中有并发容器吗？

Question

已结束。此问题不符合 Stack Overflow guidelines .它目前不接受答案。

---

我们不允许提出有关书籍、工具、软件库等方面的建议的问题。您可以编辑问题，以便用事实和引用来回答它。

关闭 4 年前。

Improve this question

特别是，我正在寻找一个阻塞队列。 C++ 11中有这样的事情吗？如果没有，我的其他选择是什么？我真的不想再自己下降到线程级别了。太容易出错了。

Answer 1

According to Diego Dagum from Microsoft's Visual C++ Team :

A recurrent question (well, one of the many) is about STL containersand whether they are thread safe.

Taking Stephan’s words here, the reality is that they aren’t, not as abug but as a feature: having every member function of every STLcontainer acquiring an internal lock would annihilate performance. Asa general purpose, highly reusable library, it wouldn’t actuallyprovide correctness either: the correct level to place locks isdetermined by what the program is doing. In that sense, individualmember functions don’t tend to be such correct level.

The Parallel Patterns Library (PPL) 包括几个提供对其元素的线程安全访问的容器:

• concurrent_vector Class是一个允许随机访问任何元素的序列容器类。它支持并发安全追加、元素访问、迭代器访问和迭代器遍历操作。
• concurrent_queue Class是一个序列容器类，它允许对其元素进行先进先出的访问。它支持一组有限的并发安全操作，例如 push 和 try_pop 等等。

一些 sample here .

也很有趣:http://www.justsoftwaresolutions.co.uk/threading/implementing-a-thread-safe-queue-using-condition-variables.html .