[Trilug-ontopic] perl and threads

[Greg Brown]

I found a good example using both threads and forks to accomplish a basic
script that I thought I'd pass along.

https://wiki.bc.net/atl-conf/pages/viewpage.action?pageId=20548191

Greg

On Fri, Mar 11, 2011 at 12:11 PM, Michael Peters <mpeters at plusthree.com>wrote:

> On 03/11/2011 10:00 AM, Brian Weaver wrote:
>
>  I don't know about using threads, but if you want multiple instances with
>> each working on a single device then why not use a master-child process
>> model? Have the master fork off N children and maintain a link using
>> anonymous pipes, unix sockets, or some other IPC mechanism. The master can
>> inform each child on what system to query and then receive a status back
>> from the child when it's done.
>>
>
> I agree that you should use processes instead of threads. Threads are ok in
> Perl but processes are better and since processes are COW in Linux you end
> up having about the same amount of overhead.
>
> But instead of writing your own from scratch, I'd look to CPAN (Perl's
> biggest weapon) to find something to handle all of the gory bits for you. I
> like Parallel::ForkManager
>
> --
> Michael Peters
> Plus Three, LP
>
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