[Interest] Detecting if the application is already running from another user account

[Jérôme Godbout]

What about a pid file, check if process still alive, no matter the user
that should work.

On Fri, Jun 3, 2016 at 9:14 AM, Nye <kshegunov at gmail.com> wrote:

> Hello,
> Yes, you are correct, I forgot all about that although I was thinking more
> of a platform-specific solution. Also the class is somewhat inconvenient as
> the behaviour is a bit different on Windows and *nix.
>
> You could try some platform-specific code handling it (e.g. Windows does
> allow for global mutexes to be created through the win API), or using
> advisory file locking, which would be my choice.
> Also opening a local server socket the first time the application is
> started could be used to deduce whether the process is running if that
> suits you better.
>
> Perhaps QLockFile is a better option (http://doc.qt.io/qt-5/qlockfile.html)
> in this case?
>
> Kind regards.
>
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