Re: ssl tests aren't concurrency safe due to get_free_port()

> On Nov 22, 2022, at 8:36 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> Andres Freund <andres(at)anarazel(dot)de> writes:
>> While looking into a weird buildfarm failure ([1]), I noticed this:
>
>> # Checking port 62707
>> Use of uninitialized value $pid in scalar chomp at /mnt/resource/bf/build/grassquit/REL_11_STABLE/pgsql.build/../pgsql/src/test/perl/PostgresNode.pm line 1247.
>> Use of uninitialized value $pid in addition (+) at /mnt/resource/bf/build/grassquit/REL_11_STABLE/pgsql.build/../pgsql/src/test/perl/PostgresNode.pm line 1248.
>
> Yeah, my animals are showing that too.
>
>> Not quite sure how $pid ends up uninitialized, given the code:
>> # see if someone else has or had a reservation of this port
>> my $pid = <$portfile>;
>> chomp $pid;
>> if ($pid +0 > 0)
>
> I guess the <$portfile> might return undef if the file is empty?
>

Probably, will fix in the morning

Cheers

Andrew