Re: plperl sigfpe reset can crash the server

Andres Freund <andres@2ndquadrant.com> writes:
>> Um ... how exactly can that happen, if the signal is now ignored?

> My man 2 signal tells me:
> "According  to POSIX, the behavior of a process is undefined after it ignores
> a SIGFPE, SIGILL, or SIGSEGV signal that was not generated by kill(2) or 
> raise(3)."

So I guess the real question there is: WTF is perl doing setting the
handling to SIG_IGN?

Even if you grant the proposition that perl knows what it's doing in
terms of its internal behavior, which given the above seems doubtful,
it has no business overriding a host application's signal settings
like that.
        regards, tom lane