Event / Task Queue Multithreading C++

Question

I would like to create a class whose methods can be called from multiple threads. but instead of executing the method in the thread from which it was called, it should perform t

Answer 1

There's Futures library making its way into Boost and the C++ standard library. There's also something of the same sort in ACE, but I would hate to recommend it to anyone (as @lothar already pointed out, it's Active Object.)