[X2Go-Dev] /usr/sbin/x2gocleansessions does not properly quit

[Mike Gabriel]

Hi Paul,

On So 26 Aug 2012 21:51:05 CEST Paul Menzel wrote:

> Dear Mike,
>
>
> as always, thank you for your fast response!
>
>
> Am Sonntag, den 26.08.2012, 21:31 +0200 schrieb Mike Gabriel:
>
>> On So 26 Aug 2012 15:15:40 CEST Paul Menzel wrote:
>>
>> > Dear X2Go folks,
>> >
>> >
>> > while looking into sessions which are still active on the server after
>> > the client was suspended and could not reconnect after resume, I noticed
>> > that `/usr/sbin/x2gocleansessions` seems to not properly exit. It is
>> > somehow run in background and does not exit.
>> >
>> >         $ /usr/sbin/x2gocleansessions --help
>> >         $ echo $?
>> >         0
>> >         $ /usr/sbin/x2gocleansessions --version
>> >         $ echo $?
>> >         0
>> >
>> > They are still listed by `ps aux | grep x2go`.
>>
>> X2Go clean sessions script is a daemon script. It should be possible
>> to execute multiple instances, but it should fork into background.
>> There is no --help and --version available, so these optioned commands
>> will just start another instance of the daemon.
>
> Interesting, thank you for the explanation.
>
> Is there an advantage over letting the user to decide to start in the
> foreground or in the background by using the ampersand »&«?

The script needs root privileges on the file system and it is launched via

   invoke-rc.d x2goserver start

It is not supposed to run with user privileges. Please read the  
script's Perl code for further insights.

Mike


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