Review Request 112294: Implement multi-seat support in KDM

[Stefan Brüns]

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https://git.reviewboard.kde.org/r/112294/#review58481
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kdm/backend/dm.h
<https://git.reviewboard.kde.org/r/112294/#comment40678>

    Yes, leftover, will remove



kdm/backend/dm.c
<https://git.reviewboard.kde.org/r/112294/#comment40679>

    nope, will fix



kdm/backend/dm.c
<https://git.reviewboard.kde.org/r/112294/#comment40681>

    thanks for the clarification, will fix



kdm/backend/dm.c
<https://git.reviewboard.kde.org/r/112294/#comment40683>

    Hm, I prefer this notation, in particular as this is the same as for std::string (guaranteed since C++03, working for all versions of C++):
    
    std::string foo(100, '\0');
    char* buf = &foo[10];
    
    vs
    
    char foo[100] = { '\0' };
    char *buf &foo[10];
    
    This is correct, as arrays (both C and C++) are guaranteed to be contiguous, and thus (&foo[10]) == (foo + 10).



kdm/backend/dm.c
<https://git.reviewboard.kde.org/r/112294/#comment40686>

    Nope. After systemdHandleChange() we will repeat the while(...) loop, calling:
    startDisplays();
    which calls:
    forEachDisplay(checkDisplayStatus);
    which does:
    if ((d->displayType & d_origin) == dFromFile && !d->stillThere)
            stopDisplay(d);



kdm/backend/resource.c
<https://git.reviewboard.kde.org/r/112294/#comment40688>

    They are:
    http://domainkeys.sourceforge.net/underscore.html



kdm/backend/resource.c
<https://git.reviewboard.kde.org/r/112294/#comment40689>

    see above



kdm/backend/session.c
<https://git.reviewboard.kde.org/r/112294/#comment40690>

    Will remove


- Stefan Brüns


On May 26, 2014, 12:06 a.m., Stefan Brüns wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/112294/
> -----------------------------------------------------------
> 
> (Updated May 26, 2014, 12:06 a.m.)
> 
> 
> Review request for kde-workspace and Oswald Buddenhagen.
> 
> 
> Repository: kde-workspace
> 
> 
> Description
> -------
> 
> 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
> -----
> 
>   cmake/modules/CMakeLists.txt 117b3a5 
>   kdm/ConfigureChecks.cmake b61fd90 
>   kdm/backend/CMakeLists.txt 25f383f 
>   kdm/backend/client.c a2d06c2 
>   kdm/backend/dm.h b2f8c61 
>   kdm/backend/dm.c 77a2ef7 
>   kdm/backend/dpylist.c b650c2f 
>   kdm/backend/resource.c 38a8c70 
>   kdm/backend/server.c d8dd6f3 
>   kdm/backend/session.c 0e7901c 
>   kdm/config-kdm.h.cmake 3e8912d 
>   kdm/kfrontend/kdm_config.c 368c8d1 
> 
> Diff: https://git.reviewboard.kde.org/r/112294/diff/
> 
> 
> Testing
> -------
> 
> Single seat system, several multiseat systems
> 
> 
> Thanks,
> 
> Stefan Brüns
> 
>

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