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Re: Threads

Phy Prabab

10/14/2008 8:48:00 AM

Never mind, I resolved the issue by reading a bit more. Sorry to waste the thread.

Cheers,
Phy


--- On Tue, 10/14/08, Phy Prabab <phyprabab@yahoo.com> wrote:

> From: Phy Prabab <phyprabab@yahoo.com>
> Subject: Threads
> To: ruby-talk@ruby-lang.org
> Date: Tuesday, October 14, 2008, 4:31 AM
> Hello,
>
> So I am new to ruby and have a question about threads.
> Yes, I researched looking for an answer to my question
> without much luck. I am trying to create a bunch of threads
> that will run forever processing numerical information. I
> wrote a very simple example of what I thought would work:
>
> threads = []
>
> list = %w(aS, bS, cS, dS, eS, fS, gS, hS)
>
> for space in list
> threads << Thread.new(space) {|numericalSpace|
> while 1
> puts "#{thread.id}: #{numericalSpace}"
> sleep 2
> end
> }
> end
>
> This does not work as I thought it would, that is it would
> spin off a bunch of threads and every two seconds I would
> get a thread print the simple line to the terminal.
>
> So, what am I missing?
>
> Thanks in advance!
> Phy




3 Answers

Randy Kramer

10/14/2008 12:30:00 PM

0

On Tuesday 14 October 2008 04:48 am, Phy Prabab wrote:
> Never mind, I resolved the issue by reading a bit more.

Can you share with us?

Randy Kramer
--
I didn't have time to write a short letter, so I created a video
instead.--with apologies to Cicero, et.al.

Piyush Ranjan

10/14/2008 2:41:00 PM

0

[Note: parts of this message were removed to make it a legal post.]

I think the reason is that there is nothing called thread.id and thats why
threads die as they start excution

On Tue, Oct 14, 2008 at 5:59 PM, Randy Kramer <rhkramer@gmail.com> wrote:

> On Tuesday 14 October 2008 04:48 am, Phy Prabab wrote:
> > Never mind, I resolved the issue by reading a bit more.
>
> Can you share with us?
>
> Randy Kramer
> --
> I didn't have time to write a short letter, so I created a video
> instead.--with apologies to Cicero, et.al.
>
>

Robert Klemme

10/14/2008 3:11:00 PM

0

2008/10/14 Piyush Ranjan <piyush.pr@gmail.com>:
> I think the reason is that there is nothing called thread.id and thats why
> threads die as they start excution

Now, this is strange reasoning. If we're guessing: the reason is more
likely that main thread exited without waiting for other threads.
See:

17:00:15 OPSC_Gold_bas_dev_R1.2.3$ ruby -e 'Thread.new { 10.times { p
1; sleep 10 } }; puts "done"'
1
done
17:09:33 OPSC_Gold_bas_dev_R1.2.3$

Kind regards

robert

--
remember.guy do |as, often| as.you_can - without end