plan skip_all => "Cannot lock this test on this system.";
}
-my $flock_return = flock($self_fh, LOCK_EX | LOCK_NB);
+my $flock_return = eval { flock($self_fh, LOCK_EX | LOCK_NB); };
if (not $flock_return) {
plan skip_all => "flock on my own test not supported on this system.";