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List:       kde-games-devel
Subject:    Re: [Kde-games-devel] KHighscore locking mechanism
From:       Ricardo Cruz <rick2 () aeiou ! pt>
Date:       2003-05-08 18:45:50
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Hi there,

 I think it would be great to have a library for global high scores.
 But I think you should do a Qt independent library, so that it could be used 
for others games made in others libraries.

 What do you think?

Ricardo Cruz

Em Segunda, 5 de Maio de 2003 22:39, Nicolas Hadacek escreveu:
> Hi all,
>
> I am currently trying to solve the problems of using global (for a
> computer) config files for saving highscores. Some basic mechanism is
> already in place in KHighscore but a big (potential) problem is race
> condition between games played by several users at the time when updating
> the highscores lists.
>
> So I propose a locking mechanism (see the patch against khighscore.h/cpp
> and a separate kfilelock.h/cpp which could be used in other parts of KDE).
> These changes are untested but I just want to have some opinions :)
>
> The second step is to use the locking in KExtHighscore which should be
> quite easy (I have made the changes at home) since support for multiple
> user is there (but basically untested).
>
> The third step is to provide some upgrade path from highscore list per user
> to a global highscore list... I can do that later :)
>
> Flames, praises, comments, ... welcome !
>
> see you,
> Nicolas

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