Bug#469058: [Sbcl-devel] DF and signal handlers

[Johannes Weiner <hannes@saeurebad.de>]

Hi Nikodemus,

"Nikodemus Siivola" <nikodemus@random-state.net> 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 [1] helps.  The rest of the thread is a big discussion
about whose fault this is ;)

	Hannes

[1] http://lkml.org/lkml/2008/3/5/306