From owner-freebsd-hackers Mon Nov 12 10:14:28 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from critter.freebsd.dk (critter.freebsd.dk [212.242.86.163]) by hub.freebsd.org (Postfix) with ESMTP id 7DC5337B416 for ; Mon, 12 Nov 2001 10:14:24 -0800 (PST) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.11.6/8.11.6) with ESMTP id fACIDUL22413; Mon, 12 Nov 2001 19:13:30 +0100 (CET) (envelope-from phk@critter.freebsd.dk) To: Sansonetti Laurent Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: Hijack lpt_intr() from lpt driver In-Reply-To: Your message of "12 Nov 2001 18:17:13 GMT." <1005589037.830.10.camel@teneriel.teledisnet.be> Date: Mon, 12 Nov 2001 19:13:30 +0100 Message-ID: <22411.1005588810@critter.freebsd.dk> From: Poul-Henning Kamp Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG In message <1005589037.830.10.camel@teneriel.teledisnet.be>, Sansonetti Laurent writes: >On Mon, 2001-11-12 at 16:28, Poul-Henning Kamp wrote: >> >> Uhm, why don't you simply use the pps driver ? >> > >Yes, why not.. but I have the same problem : how to hijack current >interrupt handler ? I don't want to patch the kernel.. Uhm, the pps driver implements the RFC 2783 PPS-API which does exactly timestamping of external events, and which include facilities to measure the delay, jitter and dispersion. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message