Re: Interprocess Communication...
On 11 Nov 2004, at 7:29, Patrick Barnes wrote:
>
> On Wed, 10 Nov 2004 13:01:45 -0600, Kat <gertie at visionsix.com> wrote:
> > > I'm trying to use PatRat's IPC.ew library, and I have a few questions
> > > about how it all works...
> > > (Basically, it does some trickery with shared memory, call_backs, and
> > > other low-level stuff)
> >
> > We should ban him from the list, tell him to go use a language that provides
> > threads already, and then burn him at the stake. No one needs ipc, just like
> > no one needs goto. He allows you to clutter up the machine with those other
> > threads. It's not inately in Eu, and therefor it's BAD. Hang him! Same with
> > all those people writing games by using winapi calls! They're DEMONS!
>
> Uh, I most sincerely hope you're joking. (Suspected, given the GOTO
> discussions earlier)
I was joking, yeas.
> I'm not using IPC for the purposes of threads! I have a main program
> that has expandable 'modules'. Each module is a Euphoria program that
> conforms to the module framework (includes the framework library,
> contains certain procedures, etc). Similarly to win32lib, the last
> statement of the program cedes control to the framework library.
>
> That way, new modules can be added while the main program is still
> running, and if a nasty error (as not all modules will be written by
> me) occurs, the main program does not crash.
>
> It could be single-threaded, I don't care! My main question is, what
> happens if something goes wrong in a module program? I know there are
> a few projects that use IPC - MEditor for one...
Depening on how you set ipc up, you can have the main process dependant
on the spawned processes or not. It's the best thing since slice bread (no
joking). In the place of threads, and even if we do get threads, the ipc may be
better, since it allows (mandates) separate everything except what the coder
wishes to share.
If you want to use Eu code on separate operating systems in the same way
as ipc, check out the socks code in the archives. I linked mirc and eu on
win95 to a vb app on winxp, and php running on nix once, over the internet,
altho you can do the same on a lan.
Kat
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