Re: plperl sigfpe reset can crash the server

Поиск
Список
Период
Сортировка
От Andres Freund
Тема Re: plperl sigfpe reset can crash the server
Дата
Msg-id 201208242340.45744.andres@2ndquadrant.com
обсуждение исходный текст
Ответ на Re: plperl sigfpe reset can crash the server  (Andrew Dunstan <andrew@dunslane.net>)
Список pgsql-hackers
On Friday, August 24, 2012 05:09:18 PM Andrew Dunstan wrote:
> On 08/24/2012 10:58 AM, Andres Freund wrote:
> > 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?
> 
> Just run perlbug and let us know the bug number.
https://rt.perl.org/rt3/Public/Bug/Display.html?id=114574

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



В списке pgsql-hackers по дате отправления:

Предыдущее
От: "Tomas Vondra"
Дата:
Сообщение: PATCH: pgbench - aggregation of info written into log
Следующее
От: "Tomas Vondra"
Дата:
Сообщение: Re: PATCH: pgbench - aggregation of info written into log