Sticky X after forking

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Sticky X after forking

 

Hi Devs,

I'm having an OpenMotif application with an X window output running over ssh X11 forwarding. The application itself is forked a couple of times upon user interaction. After shutting down the X window, the parent process is dead, not listed any longer in the process table on Linux (SuSe Linux). However, the last seen X11 screen stays frozen on the screen. After killing all forked processes, the X screen goes aways.

Is there a way to proper shutdown the application/parent process which removes the X11 screen immediately? Without the forking, the process and the X window disappear simultaneously.

Thanks,

Paul