From owner-freebsd-questions@FreeBSD.ORG  Thu Jun  8 10:04:10 2006
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
X-Original-To: freebsd-questions@freebsd.org
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 810CB16C0DB
	for <freebsd-questions@freebsd.org>;
	Thu,  8 Jun 2006 08:02:45 +0000 (UTC) (envelope-from tofik@oxygen.az)
Received: from mail.azerin.com (mail.azerin.com [212.47.128.23])
	by mx1.FreeBSD.org (Postfix) with SMTP id 5EF7043D45
	for <freebsd-questions@freebsd.org>;
	Thu,  8 Jun 2006 08:02:44 +0000 (GMT) (envelope-from tofik@oxygen.az)
Received: (qmail 45406 invoked from network); 8 Jun 2006 08:03:04 -0000
X-Spam-Checker-Version: SpamAssassin 3.1.1 (2006-03-10) on ml350.azerin.com
X-Spam-Level: 
X-Spam-Status: No, score=-2.4 required=5.0 tests=AWL,BAYES_00,
	UNPARSEABLE_RELAY autolearn=ham version=3.1.1
Received: from qmail by qscan (mail filter); 8 Jun 2006 08:03:04 +0000
Received: from unknown (HELO ?212.47.129.5?) (212.47.129.5)
	by mail.azerin.com with SMTP; 8 Jun 2006 08:03:04 -0000
Message-ID: <4487D99F.103@oxygen.az>
Date: Thu, 08 Jun 2006 11:02:39 +0300
From: Tofik Suleymanov <tofik@oxygen.az>
User-Agent: Thunderbird 1.5.0.2 (X11/20060425)
MIME-Version: 1.0
To: James Riendeau <jtriende@wisc.edu>
References: <4486A111.6020300@oxygen.az>	<ED5EC8BD-0A92-4D73-BC01-48FD930311FF@wisc.edu>	<4486EFC8.6080601@oxygen.az>	<4549C3E0-B98D-4648-9C7E-C3E8823D8B94@wisc.edu>
	<79C8EF08-A97C-4061-927C-1506DFA6FA6A@wisc.edu>
In-Reply-To: <79C8EF08-A97C-4061-927C-1506DFA6FA6A@wisc.edu>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: Tofik Suleymanov <tofik@oxygen.az>, freebsd-questions@freebsd.org
Subject: Re: reading process memory
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 08 Jun 2006 10:04:17 -0000

James Riendeau wrote:
> I'm going to anticipate your next question, and say that if you're not 
> the parent, you will have to "attach" to the process.  How that's 
> done?  I don't know, probably through a system call to ptrace or 
> writing to the procfs ctl directory.  I'm speaking through erudite 
> knowledge rather than any real experience working with procfs.
>
> -james
>
>
>
Continue reading this thread and you will see, that you are right. In 
order to read/write process memory we need to use either ptrace(2) 
system call or  procfs.

Thanks for all useful thoughts!

Sincerely,
Tofik Suleymanov