DLL thread safety

Question

I am developing a DLL in MS VC express c++ that will be loaded in multiple client applications at the same time, the DLL has a shared memory space created using data_seg(\

Answer 1

I think that Boost.Interprocess is exactly what you need. It will solve both, the synchronization problem, and the one that Jim Brissom said in his comment that you even haven't thought about yet.