loose throw see http://stackoverflow.com/questions/5269957/looser-throw-...

...specifier-error-in-c
My compiler complains about this:
http://stackoverflow.com/questions/5269957/looser-throw-specifier-error-in-c
Not a c++ expert:

Thread model: posix
gcc version 4.7.2 20120921 (Red Hat 4.7.2-2) (GCC)