Input device design (3)

Johnson, Charles F charles.f.johnson at
Mon Aug 29 15:07:05 PDT 2005

>-----Original Message-----
>From: xorg-bounces at [mailto:xorg-
>bounces at] On Behalf Of James Cloos
>Sent: Monday, August 29, 2005 2:45 PM
>To: Discuss issues related to the xorg tree
>Subject: Re: Input device design (3)
>>>>>> "Russell" == Russell Shaw <rjshaw at> writes:
>Russell> The X server could monitor a special device such as
>Russell> /dev/sysconfig or a known ip address or socket so that if the
>Russell> user was to unplug/plug mice, keyboards, or any other
>Russell> hardware, the kernel or user-space programs or a daemon could
>Russell> write notification messages to it.
>In short an X input-device server, akin to the current X font servers.

Exactly!!  Thanks Jim!

>Sounds like a good division of labour.  Especially as it allows for
>OS-specific (and even distribution-specific) daemons.  It will be
>necessary to ensure that the X server does not crash if the iod
>server dies, as (used to be)|(is) the case w/ x font servers.
>It should probably not be limited to input devices, though,
>as it would also be a good way to deal with changes to
>output devices.
>So, the X Input/Output-Device Server, or Xiods.
>James H. Cloos, Jr. <cloos at>
>xorg mailing list
>xorg at

--Charles Johnson
Intel Corporation
charles.f.johnson at

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