Re: plperl sigfpe reset can crash the server
Andres Freund <andres@2ndquadrant.com>
From: Andres Freund <andres@2ndquadrant.com>
To: pgsql-hackers@postgresql.org
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Andrew Dunstan <andrew@dunslane.net>, Hannu Krosing <hannu@2ndquadrant.com>
Date: 2012-08-24T14:58:18Z
Lists: pgsql-hackers
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