Re: Modern 2.6 kernels - Notification for changing hostname from proc/sys/kernel/hostname ?
From: Shawn Starr
Date: Mon May 19 2008 - 16:05:50 EST
On Monday 19 May 2008 04:45:35 pm Alexey Dobriyan wrote:
> On Mon, May 19, 2008 at 01:16:12PM -0400, Shawn Starr wrote:
> > I was looking at utsname_sysctl.c (if this is the right place) and
> > noticed there doesn't seem to be any notification via the connector bus
> > to tell userspace the hostname has changed? Is this correct?
> Yes. No notifications.
> > if so, would not not make sense to add such event triggers so that things
> > like KDE would not have to poll to determine if the hostname changes and
> > instead had D-BUS tell userspace the hostname changed?
> Why does it want to know if and when hostname changes?
Well, It's for keeping track of the X session, if the hostname changes things
> > Perhaps this could be applied to other values (where applicable)
> > in /proc/sys/kernel?
> Probably, what other stuff desktop crowd wants?
No idea on the other values, but maybe others can jump in on this discussion?
> > Or is this all going to go into sysfs eventually (where some of this
> > really might belong)
> Hopefully, not. There is already uname(2), sysctls -- proc and binary,
Hopefully this can all be cleaned up, we really should have one unified place
for kernel tweaking/settings either /proc or /sys.
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