Is there a non-atomic equivalent of std::shared_ptr? And why isn't there one in ?

Question

This is a bit of a two part question, all about the atomicity of std::shared_ptr:

1. As far as I can tell, std::shared_ptr

Answer 1

Boost provides a shared_ptr that's non-atomic. It's called local_shared_ptr, and can be found in the smart pointers library of boost.