scripts: west_commands: core: run netcat with check_call() #81356
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Netcat (nc) does not handle SIGINT. It silently ignores it. This is problematic, because several orphaned processes can be left behind, preventing subsequent invocations of
twisterorwestfrom succeeding, until orphaned processes are manually killed.We cannot use
run_client(), given that the pydoc forrun_client()specifically contains "Run a client that handles SIGINT".Instead, use
check_call(), which correctly handlesCtrl+C.Fixes #81194