Volatile and CreateThread

Question

I just asked a question involving volatile: volatile array c++

However my question spawned a discussion on what volatile does.

Some claim that w

Answer 1

volatile IS NOT a synchronisation mechanism. It DOES NOT guarantee atomicity nor ordering. If you cannot guarantee that all operations performed on a shared resource are atomic, then you MUST use proper locking!

Finally, I highly recommend reading these articles:

1. Volatile: Almost Useless for Multi-Threaded Programming
2. Should volatile Acquire Atomicity and Thread Visibility Semantics?