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[Bug 875817] Re: who -q no longer counts gui users

 

"You can read it's code here to understand more if you're a bit confused still:
http://cgit.freedesktop.org/ConsoleKit/tree/tools/list-sessions.c";

Wow, 400 lines of code without a single comment.

The basic thing I'm missing is "Why?" Why does ConsoleKit exist? What function, in high level terms, does it perform? What is it good for?
Looking at source code only tells me "How". How it does what it does. But knowing it adds 3+4 and puts it in pointer 'Z' gives me no clue as to why. Someone who has intimate knowledge of how Linux works might be able to infer why it does that, but to the layman, even one who knows the 'C' programming language, it is opaque.

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https://bugs.launchpad.net/bugs/875817

Title:
  who -q no longer counts gui users

Status in “mythtv” package in Ubuntu:
  New

Bug description:
  The "checklogin.sh" script on this page: http://www.mythtv.org/wiki/ACPI_Wakeup uses "who -q" to determine if a user is logged in to prevent MythTV from shutting down the computer when a user is using the computer.
  On 11.04 this worked fine.
  On 11.10, my system shuts down 10 minutes after booting unless I open a terminal window.
  On opening a terminal window and running "who -q" I get:
  $ who -q
  dpeale
  # users=1
  I used to get "users=2". The gui user is not counted anymore.
  This is true of both Unity and Gnome GUIs

  The 'w' command also has the same bug (I've never been able to figure
  out what package that comes from). It also has another bug. If you use
  one of the ctl-alt-Fx screens, login, and then logout, it continues to
  count that screen as logged in.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: coreutils 8.5-1ubuntu6
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic x86_64
  ApportVersion: 1.23-0ubuntu3
  Architecture: amd64
  Date: Sun Oct 16 09:24:27 2011
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: coreutils
  UpgradeStatus: Upgraded to oneiric on 2011-10-15 (0 days ago)

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