[Ecls-list] Need help with SIGFPE

[Juan Jose Garcia-Ripoll]

I do not know whether this is directly related:

http://mail.gnome.org/archives/xml//2001-July/msg00189.html

Juanjo

On Sun, Oct 11, 2009 at 1:23 PM, Juan Jose Garcia-Ripoll
<juanjose.garciaripoll at googlemail.com> wrote:
> I am having problems with the code for generating and handling
> floating point exceptions. It only happens in Linux, FreeBSD and
> similar platforms where we use feenablexeecept(), but from my last
> tests this seems not directly related. OS X does not suffer this
> problem.
>
> The problem is as follows (you will need the latest fixes in GIT/CVS).
> We generate a SIGFPE by some means. For instance
>
>  > (truncate 1 0)
>
> This invokes the signal handler and we get an error.
>
>  #<a DIVISION-BY-ZERO>
>  Available restarts:
>  1. (RESTART-TOPLEVEL) ...
>  >> :q
>
> typing :q we return to the toplevel. Note that we do not return to the
> instruction that generated the signal, but rather to the toplevel, so
> it seems we are safe. But now we repeat the error:
>
>  > (truncate 1 0)
>  Program terminated with signal SIGFPE.
>
> This second time our signal handler is completely ignored. I have
> tried using sigaction() before the second signal is produced, with no
> success.
>
> Juanjo
>
> --
> Instituto de Física Fundamental, CSIC
> c/ Serrano, 113b, Madrid 28006 (Spain)
> http://juanjose.garciaripoll.googlepages.com
>



-- 
Instituto de Física Fundamental, CSIC
c/ Serrano, 113b, Madrid 28006 (Spain)
http://juanjose.garciaripoll.googlepages.com