From owner-freebsd-hackers Tue Feb 13 14: 9:38 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from harmony.village.org (rover.village.org [204.144.255.66]) by hub.freebsd.org (Postfix) with ESMTP id 2592D37B491 for ; Tue, 13 Feb 2001 14:09:34 -0800 (PST) Received: from harmony.village.org (localhost.village.org [127.0.0.1]) by harmony.village.org (8.11.1/8.11.1) with ESMTP id f1DM9QW41788; Tue, 13 Feb 2001 15:09:26 -0700 (MST) (envelope-from imp@harmony.village.org) Message-Id: <200102132209.f1DM9QW41788@harmony.village.org> To: Luigi Rizzo Subject: Re: character device driver Cc: daverufino@btinternet.com, hackers@FreeBSD.ORG In-reply-to: Your message of "Tue, 13 Feb 2001 14:06:43 PST." <200102132206.f1DM6mn40550@iguana.aciri.org> References: <200102132206.f1DM6mn40550@iguana.aciri.org> Date: Tue, 13 Feb 2001 15:09:26 -0700 From: Warner Losh Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG In message <200102132206.f1DM6mn40550@iguana.aciri.org> Luigi Rizzo writes: : (you still get to know the pid of the process issuing the close() but : this is not always enough). Yes, but if I open it twice in the same process, call dup2, fork, etc, etc, etc. With the cooperation of the userland process more things are possible. Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message