Re: Query execution in Perl TAP tests needs work - Mailing list pgsql-hackers

On Tue, Aug 29, 2023 at 04:25:24PM +1200, Thomas Munro wrote:
> On Tue, Aug 29, 2023 at 1:48 PM Noah Misch <noah@leadboat.com> wrote:
> > https://github.com/cpan-authors/IPC-Run/issues/166#issuecomment-1288190929
> 
> Interesting.  But that shows a case with no pipes connected, using
> select() as a dumb sleep and ignoring SIGCHLD.  In our usage we have
> pipes connected, and I think select() should return when the child's
> output pipes become readable due to EOF.  I guess something about that
> might be b0rked on Windows?  I see there is an extra helper process
> doing socket<->pipe conversion (hah, that explains an extra ~10ms at
> the start in my timestamps)...

In that case, let's assume it's not the same issue.