From owner-freebsd-hackers@FreeBSD.ORG Wed Aug 23 12:15:04 2006 Return-Path: X-Original-To: hackers@freebsd.org Delivered-To: freebsd-hackers@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5DFCE16A4E0 for ; Wed, 23 Aug 2006 12:15:04 +0000 (UTC) (envelope-from xdivac02@stud.fit.vutbr.cz) Received: from eva.fit.vutbr.cz (eva.fit.vutbr.cz [147.229.10.14]) by mx1.FreeBSD.org (Postfix) with ESMTP id A1E5943D5A for ; Wed, 23 Aug 2006 12:15:03 +0000 (GMT) (envelope-from xdivac02@stud.fit.vutbr.cz) Received: from eva.fit.vutbr.cz (localhost [127.0.0.1]) by eva.fit.vutbr.cz (envelope-from xdivac02@eva.fit.vutbr.cz) (8.13.7/8.13.7) with ESMTP id k7NCEp3D067909 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO) for ; Wed, 23 Aug 2006 14:14:57 +0200 (CEST) Received: (from xdivac02@localhost) by eva.fit.vutbr.cz (8.13.7/8.13.3/Submit) id k7NCEpu9067908 for hackers@freebsd.org; Wed, 23 Aug 2006 14:14:51 +0200 (CEST) Date: Wed, 23 Aug 2006 14:14:51 +0200 From: Divacky Roman To: hackers@freebsd.org Message-ID: <20060823121451.GA67614@stud.fit.vutbr.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2i X-Scanned-By: MIMEDefang 2.54 on 147.229.10.14 Cc: Subject: RFMEM and mmap() X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 Aug 2006 12:15:04 -0000 hi I wonder what happens when proc A, create proc B using fork1(td, RFMEM, 0, &p2); and either A or B mmap()s something. is the mmaped memory shared among the procs? what if it brk()s something? thnx roman ---------------------- www.liberalnistrana.cz