Re: plperl sigfpe reset can crash the server

On Friday, August 24, 2012 04:53:36 PM Tom Lane wrote:
> Andres Freund <andres@2ndquadrant.com> writes:
> > ./pod/perl581delta.pod:
> > At startup Perl blocks the SIGFPE signal away since there isn't much
> > Perl can do about it.  Previously this blocking was in effect also for
> > programs executed from within Perl.  Now Perl restores the original
> > SIGFPE handling routine, whatever it was, before running external
> > programs.
> 
> So there's a gap in the "restore" logic someplace.

Well, the logic is not triggering at all in pg's case. Its just used if perl 
is exec()ing something...


> > perl.h also has some tidbits: ...
> > That doesn't sound very well reasoned and especially not very well tested
> > to me.
> 
> Time to file a Perl bug?
Anybody more involved in the perl community volunteering?

Greetings,

Andres
-- Andres Freund                       http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training &
Services