Miroslav Lichvar 8e327bb0a3 privops: ignore signals in helper ...

If the whole process group receives a signal (e.g. CTRL-C in terminal),
the helper process needs to keep running until it gets the QUIT request,
so the system drivers can still use it in their finalisation, e.g. to
cancel remaining slew.

2015-12-10 16:30:31 +01:00

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