[yocto] [PATCH 2/2] Kill suprocesses when pressing ctrl+c

[Paul Eggleton]

Hi Marius,

On Thursday 21 August 2014 15:00:31 Marius Avram wrote:
> This way the created bitbake subprocesses from the upgrade script
> are killed as well when you press ctrl+c.
> 
> Signed-off-by: Marius Avram <marius.avram at intel.com>
> ---
>  upgradehelper.py |    6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/upgradehelper.py b/upgradehelper.py
> index 771c981..7db89a7 100755
> --- a/upgradehelper.py
> +++ b/upgradehelper.py
> @@ -35,6 +35,7 @@ from logging import warning as W
>  from logging import error as E
>  from logging import critical as C
>  import re
> +import signal
>  import sys
>  import ConfigParser as cp
>  from datetime import datetime
> @@ -645,11 +646,16 @@ class UniverseUpdater(Updater):
>          self.prepare()
>          super(UniverseUpdater, self).run()
> 
> +def close_child_processes(signal_id, frame):
> +    pid = os.getpid()
> +    os.killpg(pid, signal.SIGKILL)

I could be wrong but I think this ought to be:

    pgid = os.getpgrp()
    os.killpg(pgid, signal.SIGKILL)

> 
>  if __name__ == "__main__":
>      global settings
>      global maintainer_override
> 
> +    signal.signal(signal.SIGINT, close_child_processes)
> +
>      debug_levels = [log.CRITICAL, log.ERROR, log.WARNING, log.INFO,
> log.DEBUG] args = parse_cmdline()
>      log.basicConfig(format='%(levelname)s:%(message)s',

-- 

Paul Eggleton
Intel Open Source Technology Centre