[CLUE-Tech] PERL Q

[Geek Boi]

Linux does do threads.  Perl's threads on the other hand have always been hit 
or miss from everything I have read.  Most writings on Perl threads have 
started off with the standard use at your own risk disclaimer.  I would be 
willing to bet it can be done with forking.  You chould be able to fork a 
child process and keep it running even if the parent dies.  I'm almost 
certain I have read of it somewhere but never needed it (aka filed it in the 
cool now forget it section of my limited cranium.)

On Sunday 03 June 2001 09:30 pm, you wrote:
> Ok, I understand.  It does look like recursion is what you want (but it
> isn't exactly infinite in this case).  Pretty neat program.
>
> I should have said yesterday, if you want asynchronous processing (multiple
> processes at the same time), fork is your only choice.  At the Linux system
> call level, that's the only way to create a new process (well, that's true
> in the general Unix books I've read - perhaps there's something new and
> fancy in Linux, I haven't looked at the Linux system calls specifically). 
> You have to have a new process, so you have to fork.  (There are some ways
> to hide the fact that you're forking - running most programs from the shell
> does a fork, but you don't notice.)
>
> You could perhaps use threads instead of processes.  I'd bet that perl
> supports threads, does anyone know if Linux does?  Threads are less
> isolated from each other than processes, so perhaps doing this with threads
> would hit per process limits sooner than processes would hit the per user
> limits.  Your program doesn't need threads (no need for communication
> between them), but I don't know the tradeoffs between threads and processes
> to tell you which is better.
>
> Dave
>
> grant wrote:
> > Actually infinite recursion is what I want, along with a nasty cascading
> > effect.  Here I attached the little script.  It may make more sense this
> > way.
>
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