Re: Replacing abort() with __builtin_trap()?

Hi,

On 2023-07-02 13:55:53 -0400, Tom Lane wrote:
> Andres Freund <andres@anarazel.de> writes:
> > I'd like to propose that we do a configure test for __builtin_trap() and use
> > it, if available, before the abort() in ExceptionalCondition(). Perhaps also
> > for PANIC, but it's not as clear to me whether we should.
>
> Does that still result in the same process exit signal being reported to
> the postmaster?

It does not on linux / x86-64.

2023-07-02 10:52:55.103 PDT [1398197][postmaster][:0][] LOG:  server process (PID 1398207) was terminated by signal 4:
Illegalinstruction
 
vs today's
2023-07-02 11:08:22.674 PDT [1401801][postmaster][:0][] LOG:  server process (PID 1401809) was terminated by signal 6:
Aborted

It wouldn't be bad for postmaster to be able to distinguish between PANIC and
Assert(), but I agree that the non-determinism is a bit annoying.

Greetings,

Andres Freund