On Mon, Nov 20, 2017 at 14:42:01 -0500, Jean-Louis Martineau wrote:
> Each process should take a lock on the holding directory (a pid file),
Okay, makes sense.
> + my $pidfn = File::Spec->catfile($dirfn, "pid");
> + if (open(my $pidh, $pidfn)) {
> + my $pid = <$pidh>;
> + if (kill($pid, 0) == 0) {
> + # pid is alive, skip this directory
> + next;
> + }
> + close($pidh);
Quick question: does the above leave $pidh open in the case that pid is
alive? (That is, if the code hits the "next" does that miss a needed
call to close()?)
Nathan
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