在C++11引入了对多线程语言级别的支持之后，还有必要学习posix线程吗？

Question

C++11对多线程的支持很完善，互斥量，锁，条件变量，原子操作一应俱全，posix线程库还能另外提供的也就是记录锁，消息队列，但这些都可以在需要时自行实现．而且用C++原生线程库的代码还能够跨平台.
请问现在实际工程中涉及多线程的部分向C++11原生多线程库迁移的如何了？使用posix线程库进行开发的情况还多不多？

Answer 1

In POSIX systems, do you think you can get rid of PThread? It seems that the bottom layer is implemented by PThread. There is no problem at all simply using std::thread, but complex functions that need to be customized must be encapsulated based on PThread. STL is better at algorithms and containers, but multi-threading is not very good. Only represents personal opinion.

Answer 2

I remember that the thread library of C++11 is packaged according to OpenMP. pThread is still inferior to OpenMP in terms of performance and usage. Personally, I think it can be understood. If you don't have time, there is no need to delve deeper.

Answer 3

I think: std::thread and so on provided by C++11 are not language-level support, but standard library support. In fact, there is no difference between c++ thread and pthread in terms of learning and usage (maybe pthread has more parameters?), and there are other things that pthread can provide as you mentioned. As for performance, I don't think there will be any difference between the two. More differences may be in portability.
So, I think we might as well learn both.