Subject: Re: CVS commit: src/sys/kern (tty.c:1.174)
To: None <>
From: Christos Zoulas <>
List: current-users
Date: 07/11/2005 17:48:07
In article <>,
Christos Zoulas <> wrote:
>In article <>,
>Geoff Wing  <> wrote:
>>Christos Zoulas <> typed:
>>: Modified Files:
>>: 	src/sys/kern: tty.c
>>: Log Message:
>>: Allow F{G,S}OWN to succeed on a tty that has no session associated with it,
>>: and it is not the controlling tty. This change allows us to use SIGIO on
>>: a non-controlling tty (eg. debug ntpd with a refclock on a tty).
>>This has killed my com port mouse under XFree 4.5.0 (i386).  Previously
>>with a working mouse /var/log/XFree86.0.log would have
>>  (WW) fcntl(6, F_SETOWN): Inappropriate ioctl for device
>>Anything obvious to anyone else?  (before I have to kickstart my brain)
>I don't know, it seems to me that before it was returning EPERM, and now
>it is returning EINVAL. It should have been failing before too.

I mis-read the previous message. It seems that before it was failing to
do the F_SETOWN so it defaulted to polling instead of using SIGIO. Now
it is using SIGIO and failing for some reason. There are no warning messages