Re: [JSch-users] ChannelExec: clean-up or how to kill processes

[Daniel F. F. <dan...@te...>]

Hi Norbert,

I was dealing with a similar problem. In order to not rely on ssh
signals, instead of using the channel to run the application, I send a
pair or bash commands: the first prints the PID (of the bash), the
second execs the application (and takes over bash's PID). Now there is
an extra work of parsing the first output line as the PID number of the
remote process.

If I want to kill, then I open a second channel which calls then kill
command line with the apropriate PID.

Best regards,
Daniel Felix Ferber

Norbert Podhorszki escreveu:
> Hi,
>
> Do you know any way to kill the remote process started by using 
> ChannelExec? Or just to get the process id of that process (talking about 
> unix here)?
>
> I have experienced that programs can just hang instead of nicely 
> performing an abort ;-), so I need to use a timeout for a 
> command execution (do not mix this with connection related timeout).
> Just disconnecting the channel, however, does not kill the remote process, 
> which becomes really annoying after several such actions.
>
> Therefore, I would like to send a kill command for that process. 
> Does the ssh protocol say anything about this, or do I have to find an 
> ad-hoc solution?
>
> Thanks
> Norbert
>
>       Norbert Podhorszki
>     ------------------------------------
>       University of California, Davis
>       Department of Computer Science
>       1 Shields Ave, 2236 Kemper Hall
>       Davis, CA 95616
>       (530) 754-8188
>       pno...@cs...
>       ----------------------------------
>
>
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