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Re: Problems with signal delivery


From: Neal H. Walfield
Subject: Re: Problems with signal delivery
Date: Fri, 03 Sep 2010 10:42:22 +0200
User-agent: Wanderlust/2.14.0 (Africa) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (Goj┼Ź) APEL/10.7 Emacs/22.3 (i486-pc-linux-gnu) MULE/5.0 (SAKAKI)

At Thu,  2 Sep 2010 19:52:42 -0700 (PDT),
Roland McGrath wrote:
> 
> > Do you mean that there is some code relying on these Hurd semantics, and
> > that therefore we should not try to change them to match POSIX, except
> > maybe when the pthread functions are used?
> 
> I mean the semantics are the semantics and have been for 15+ years, and we
> can't assume it's OK to just go changing them and call it a "fix".  POSIX
> only specifies anything about any kind of multithreadedness when pthread
> functions are used.

What's going to break?  I suspect that the software that relies on the
Hurd's signal semantics (if any) is software that is directly related
to the Hurd and developed by Hurd people.  As such, it should be
relatively easy to fix and to have those fixes integrated; I see no
convincing reason to not adopt POSIX/Linux signal semantics and
abandon Hurd signal semantics.

Thanks,
Neal



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