Can I access a C++11 std::map entry while inserting/erasing from another thread?

Question

Can I access (without locking) an std::map entry while another thread inserts/erases entrys?

example pseudo C++:

typedef struct {
   int value;
   in         


        

Answer 1

No. std::map are not thread safe. Intel's thread building block (tbb) library has some concurrent containers. Check tbb