From owner-freebsd-current Thu Nov 4 18:36:39 1999 Delivered-To: freebsd-current@freebsd.org Received: from dingo.cdrom.com (dingo.cdrom.com [204.216.28.145]) by hub.freebsd.org (Postfix) with ESMTP id 16FE415753 for ; Thu, 4 Nov 1999 18:36:38 -0800 (PST) (envelope-from mike@dingo.cdrom.com) Received: from dingo.cdrom.com (localhost.cdrom.com [127.0.0.1]) by dingo.cdrom.com (8.9.3/8.8.8) with ESMTP id SAA00620; Thu, 4 Nov 1999 18:23:53 -0800 (PST) (envelope-from mike@dingo.cdrom.com) Message-Id: <199911050223.SAA00620@dingo.cdrom.com> X-Mailer: exmh version 2.0.2 2/24/98 To: Amancio Hasty Cc: Soren Schmidt , yokota@zodiac.mech.utsunomiya-u.ac.jp (Kazutaka YOKOTA), current@FreeBSD.ORG Subject: Re: vga driver and signal In-reply-to: Your message of "Thu, 04 Nov 1999 11:07:53 PST." <199911041907.LAA47415@rah.star-gate.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 04 Nov 1999 18:23:52 -0800 From: Mike Smith Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > What will happen if the X server was running with real time priorities which > syncing up with a vertical retrace seems to imply? The only real way to do this "right" is going to be to have the X server load a KLD, which will then be able to hook the relevant interrupt(s). Any other alternative involves interrupt delivery to user-space, which is just not practical. -- \\ Give a man a fish, and you feed him for a day. \\ Mike Smith \\ Tell him he should learn how to fish himself, \\ msmith@freebsd.org \\ and he'll hate you for a lifetime. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message