Bug#469058: [Sbcl-devel] DF and signal handlers
"Nikodemus Siivola" <firstname.lastname@example.org> writes:
> I'm not sure what is The Right Thing here, though. Should SBCL (and
> _any_ program that ever sets DF!) save, clear, and restore DF in its
> signal handlers? Should libc/kernel do that? Should signals be blocked
> before ever setting DF? Is setting DF Just A Bad Idea?
Perhaps this  helps. The rest of the thread is a big discussion
about whose fault this is ;)