Rather than manually adding signal handlers, just convert
the stub app to use the event framework and use its
shutdown handler.
Still rm -f the sentinel file in the autotest_common.sh
kill_stub function, although it really isn't needed
anymore.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Id9cb189b6b4afa3c724181ff190b640654d0804e
Reviewed-on: https://review.gerrithub.io/366545
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>