> One could argue of course that every user of Python should handle
> EINTR, but that's something I think should be solved in the IO
> library because very few people know that one is supposed to restart
> syscalls on EINTR on POSIX systems.
>
> Ruby for instance handles EINTR properly:

Hmm. So under what conditions should it continue, and under what 
conditions should it raise an exception (when errno is EINTR)?