I was talking to a coworker today about a strange exception we saw, and I mentioned that the lock surrounding the process may not be double checked. It drew a "What does that mean?," so I thought I'd blog the answer that shows a practical example.

In Model-Glue, Fusebox, and Mach-II, you'll see a bit of code surrounding the instantiation of the "core" framework CFC that looks a bit like this: