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From: "John B. Matthews" <nospam@nospam.invalid>
Newsgroups: comp.lang.ada
Subject: Re: What is the best way to get a process-list with Ada?
Date: Sun, 16 Oct 2011 21:08:19 -0400
Organization: The Wasteland
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Date: 2011-10-16T21:08:19-04:00
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In article 
<2cb6641e-dcd7-40de-95bd-71d405571631@p1g2000yqk.googlegroups.com>,
 Shark8 <onewingedshark@gmail.com> wrote:

> I got into a bit of a debate with a friend who said something to the 
> effect that to write drivers one needed to use C/C++... anyway, he 
> was irritated about not being able to use Java (which he's sort of 
> been forced to use in this instance) to 1) get a process list, and 2) 
> get window dimensions of a focused-window.
> 
> I was wondering how those of you who have had experience in all three 
> systems would approach it.
> 
> (BTW; Linux, Mac, and Windows for #1 & #2, which is the reason they 
> had for making the project Java, I certainly don't have enough 
> experience w/ Mac and Linux to say much about them.)

In Java, ProcessBuilder would let one examine the output of `ps`.
The options vary among BSD/Darwin/Mac and GNU/Linux flavors.
I'm not aware of a cross-platform solution.

<http://www.google.com/search?q=man+ps>

In Ada, I've always assumed I could use GNAT.Os_Lib to Spawn a
similar task, but I've never actually had to do so.

Sorry, no idea about windows I didn't create.

-- 
John B. Matthews
trashgod at gmail dot com
<http://sites.google.com/site/drjohnbmatthews>