From: Reacher <brandon.g.jones@...>
Date: 2008-06-06T04:59:01+09:00
Subject: Re: system() and `` problem in Multithreading

On Jun 5, 2:19 pm, "ara.t.howard" <ara.t.how...@gmail.com> wrote:
> On Jun 5, 2008, at 10:23 AM, Lee Youser wrote:
>
> > The expected output is the first one(use */system/*), but i don't know
> > why the output is different between the two ways. Could you someone  
> > can
> > tell me why? :-)
> > Thank you very much!
>
> the order threads run is *always* undefined unless you coordinate  
> them.  it's just luck they are run in order for you - make your system  
> very busy and you will see this.
>
> regards.
>
> a @http://codeforpeople.com/
> --
> we can deny everything, except that we have the possibility of being  
> better. simply reflect on that.
> h.h. the 14th dalai lama

As our Opearting Systems professor drove this into our brains daily,
so shall I repeat it here:  You can make no assumptions about the
relative rate of concurrent processes.