> > Most people use buffered I/O, and the buffered layer automatically retries.
> 
> I see. I think this is already slightly problematic: if you send an
> interrupt, it won't oblige. IMO, any such loop ought to be
> interruptable.

Well, the loop stops when an error status is returned by the raw IO
layer. At that point, the buffered IO layer re-raises the error after a
bit of internal cleanup.