Date: Tue, 24 Sep 2002 08:06:12 +1200 From: Jonathan Chen <jonc@chen.org.nz> To: Andrew Gordon <arg-bsd@arg1.demon.co.uk> Cc: AlanE <alane@geeksrus.net>, FreeBSD Stable List <freebsd-stable@FreeBSD.ORG> Subject: Re: Weird uptime(1) output Message-ID: <20020923200612.GC2872@grimoire.chen.org.nz> In-Reply-To: <20020923110213.L2298-100000@server.arg.sj.co.uk> References: <20020923033214.GB48084@wwweasel.geeksrus.net> <20020923110213.L2298-100000@server.arg.sj.co.uk>
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On Mon, Sep 23, 2002 at 04:18:51PM +0100, Andrew Gordon wrote:
[...]
> 3) This patch doesn't fix the problem, it just avoids it.
> While it would be useful to have inactivity information about
> X terminals, I can't see any way to get at it. Certainly, there
> is nothing on the local machine that holds the information
> (the user might be interacting with an application running on
> another machine), so 'w' would need to ask the X server, and
> I don't believe that a mechanism exists for it to do so.
>
>
> --- usr.bin/w/w.c 12 Mar 2002 19:51:51 -0000 1.38.2.6
> +++ usr.bin/w/w.c 23 Sep 2002 15:00:45 -0000
> @@ -504,6 +504,12 @@
> static struct stat sb;
> char ttybuf[MAXPATHLEN];
>
> + if (line[0] == ':') {
> + /* Assume an X login via sessreg */
> + time(&sb.st_atime);
> + sb.st_rdev = -1;
> + return (&sb);
> + }
> (void)snprintf(ttybuf, sizeof(ttybuf), "%s%.*s", _PATH_DEV, sz,
> line);
> if (stat(ttybuf, &sb)) {
> warn("%s", ttybuf);
>
The patch doesn't work if you have a remote X-server logging onto the
system, as $DISPLAY will be "host:0.0" in most cases. Perhaps an
index(3) on line?
Cheers.
--
Jonathan Chen <jonc@chen.org.nz>
----------------------------------------------------------------------
Power corrupts, Absolute Power is pretty neat
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