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Re: [PATCH 15/15] Hurd signals: Use POSIX sigcodes
Jérémie Koenig, le Wed 29 Jun 2011 23:17:49 +0000, a écrit :
> On Wed, Jun 29, 2011 at 10:59 PM, Samuel Thibault
> <firstname.lastname@example.org> wrote:
> > Jérémie Koenig, le Wed 29 Jun 2011 22:55:48 +0000, a écrit :
> >> The old !SA_SIGINFO case was a non-standard (BSD-based?) extension. Is
> >> there really anything using it?
> > You can never know. ?And thus probably have to keep it.
> Would mapping the old values to the new ones in the trampoline code be
> an acceptable compromise?
It is probably better than duplicating the mapping everywhere the values
are generated, indeed
> Should I rename the constants so that programs using them would fail
> to compile, and therefore be noticed and, hopefully, updated to the
> more portable SA_SIGINFO interface?
I don't think so. We don't want to unnecessarily break something that
can still work.
> Would it still be ok to introduce POSIX sigcodes where 0 was used before?
I'm not sure about it. I'd say when !SA_SIGINFO, better reset it to 0.