Hi!
Craig Berry wrote:
> "Vorländer, Martin" <[EMAIL PROTECTED]> wrote:
> > Has anybody here tried to install Apache::ASP with HP's 5.8.6
> > distribution?
> >
> > As far as I can see, it tries to use MLDBM for (state data) storage,
> > wrapped in MLDBM::Sync for multi-process access. And that one is too
> > unixy for VMS, I suppose (it uses flock(), and generates lots of
> > errors during MMS TEST, naturally).
> >
> > Any hints?
>
> I haven't tried what you're doing, but Perl 5.10 on VMS 8.3
> or later supports flock() via emulation using the locking
> flags of fcntl(). That's probably the only way this would
> have a prayer of working out of the box.
Unfortunately, 8.3 is out of the picture (at least, for now).
Otherwise, I'd be happy to update to 5.10.
> There is also always the traditional answer to the question,
> "How do you lock a file on VMS?" Answer: "Open it.' That
> can be made as explicit as you like with:
>
> my $fh = VMS::Stdio::vmsopen('file.dat', 'shr=nil');
Yep, that's what I thought about, too.
> If you're not having enough fun yet you could try writing
> your own MLDBM::Sync that subclasses VMS::IndexedFile and
> uses RMS record locks, but I'm not at all sure you get fine
> enough control of record-level locking that way.
Well, I'm certainly not being carried away THAT far... ;-)
Thanks.
cu,
Martin
--
| Martin Vorlaender | OpenVMS rules!
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