Review Request 112294: Implement multi-seat support in KDM

[Stefan Brüns]

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This is an automatically generated e-mail. To reply, visit:
http://git.reviewboard.kde.org/r/112294/
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(Updated Sept. 2, 2013, 11:34 p.m.)


Review request for kde-workspace and Oswald Buddenhagen.


Description
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This patch implements dynamic multiseat in KDM. It follows the description in:
http://www.freedesktop.org/wiki/Software/systemd/writing-display-managers/

In case systemd is no found at compile time, nothing changes. If logind is not running, nothing changes. If no additional seats have been configured (some Plugable USB-GPUs are automatically added as additional seats), nothing changes.

In case there are additional seats beyond seat0, a reserved display is promoted to a local static one (and demoted if the seat is removed) and a new X-Server/greeter is spawned.

The code has been tested extensively, with a combination of [Radeon dedicated GPU|Intel iGPU], [Intel iGPU|Displaylink USB GPU] and others. For history of this patch, see https://bugzilla.redhat.com/show_bug.cgi?id=884271 and https://bugzilla.redhat.com/show_bug.cgi?id=975079


Diffs
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  CMakeLists.txt a3bdbb3 
  cmake/modules/CMakeLists.txt 117b3a5 
  cmake/modules/FindSystemd.cmake PRE-CREATION 
  kdm/backend/CMakeLists.txt 25f383f 
  kdm/backend/client.c 26bb0b4 
  kdm/backend/dm.h 64e106b 
  kdm/backend/dm.c e0f1366 
  kdm/backend/server.c d8dd6f3 
  kdm/backend/session.c 0e7901c 

Diff: http://git.reviewboard.kde.org/r/112294/diff/


Testing
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Single seat system, several multiseat systems


Thanks,

Stefan Brüns

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