Review Request 117644: screenlocker: don't leave behind screensaver processes
Martin Gräßlin
mgraesslin at kde.org
Wed Apr 23 14:23:13 UTC 2014
> On April 23, 2014, 7:36 a.m., Martin Gräßlin wrote:
> > would you please also adapt that for plasma-workspace repo (new master)?
>
> Wolfgang Bauer wrote:
> Yes, I will.
>
> Should I create a new review request for that, or should I just submit it?
The code looks pretty straight forward to me, so I don't think it's really needed to have another review request. Unless... in master we have a few auto-tests, so perhaps you want to add a test for this case? Given the mentioned number of votes it might not be the worst idea to have a regression test for it ;-)
- Martin
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https://git.reviewboard.kde.org/r/117644/#review56240
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On April 22, 2014, 10:41 p.m., Wolfgang Bauer wrote:
>
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/117644/
> -----------------------------------------------------------
>
> (Updated April 22, 2014, 10:41 p.m.)
>
>
> Review request for kde-workspace and Plasma.
>
>
> Bugs: 224200
> http://bugs.kde.org/show_bug.cgi?id=224200
>
>
> Repository: kde-workspace
>
>
> Description
> -------
>
> Currently the screen locker just kills the greeter (kscreenlocker_greet) when the screen is unlocked by the user during the grace time.
> But apparently this can leave behind running screensaver processes launched by the greeter, see the bug report (which has the highest number of votes of all open bugs AFAICS).
>
> This patch changes this to only terminate the greeter, and adds a signal handler to the greeter to exit gracefully in this case.
> The signal handler exits with return code 1, so that it is not possible to circumvent the password input by just sending a SIGTERM. (the screen locker restarts the greeter in case it doesn't quit with exit code 0)
>
>
> Diffs
> -----
>
> ksmserver/screenlocker/greeter/main.cpp d898734
> ksmserver/screenlocker/ksldapp.cpp 3dfcc9e
>
> Diff: https://git.reviewboard.kde.org/r/117644/diff/
>
>
> Testing
> -------
>
> Configure a legacy screensaver in Systemsettings->Display and Monitor->Screen Locker, be sure to leave "Require Password after" disabled.
> Wait for the screen locker to kick in.
> Unlock the screen by moving the mouse or pressing a key.
> Check the process list.
>
> Without this patch at least kswarm.kss and kblankscreen.kss reliably kept running after unlocking the screen on my system.
> With this patch they quit themselves.
>
> I'm using this patch for over two weeks now, and I haven't seen any left-over screen saver processes any more (and I even set the timeout to 1 minute).
>
> I also tried to terminate kscreenlocker_greet manually by running "killall kscreenlocker_greet" from a text console in case of a password required, and the locker didn't quit, you still have to enter the password.
>
>
> Thanks,
>
> Wolfgang Bauer
>
>
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