When Perl "kill(9, ...)" fails, try "pg_ctl kill".

Per buildfarm member jacana, the former fails under msys Perl 5.8.8.
Back-patch to 9.6, like the code in question.

Discussion: https://postgr.es/m/GrdLgAdUK9FdyZg8VIcTDKVOkys122ZINEb3CjjoySfGj2KyPiMKTh1zqtRp0TAD7FJ27G-OBB3eplxIB5GhcQH5o8zzGZfp0MuJaXJxVxk=@yesql.se

diff --git a/src/test/perl/PostgresNode.pm b/src/test/perl/PostgresNode.pm
index 52708205850b15f3578033949e1a8fa1bcd382da..fff8c992a3726a4185d3fb37606faeaf4b9f8d53 100644 (file)
--- a/src/test/perl/PostgresNode.pm
+++ b/src/test/perl/PostgresNode.pm
@@ -734,7 +734,9 @@ sub kill9
    my $name = $self->name;
    return unless defined $self->{_pid};
    print "### Killing node \"$name\" using signal 9\n";
-   kill(9, $self->{_pid}) or BAIL_OUT("kill(9, $self->{_pid}) failed");
+   # kill(9, ...) fails under msys Perl 5.8.8, so fall back on pg_ctl.
+   kill(9, $self->{_pid})
+     or TestLib::system_or_bail('pg_ctl', 'kill', 'KILL', $self->{_pid});
    $self->{_pid} = undef;
    return;
 }