What is the actual type of "interrupted system call"?

[mrstevegross]

> exceptions.EOFError exceptions.ReferenceError exceptions.ZeroDivisionError
>...
> exceptions.NotImplementedError exceptions.UnicodeError exceptions.__str__

Is there a single parent exception to all those? Or should I just
write it as:

try:
 ...
catch Exception:
 ...

Thanks,
--Steve