openssh-portable/regress/exit-status-signal.sh

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# This test performs validation that ssh client is not successive on being terminated
tid="exit status on signal"
# spawn client in background
rm -f $OBJ/remote_pid
${SSH} -F $OBJ/ssh_proxy somehost 'echo $$ >'$OBJ'/remote_pid; sleep 444' &
ssh_pid=$!
# wait for it to start
n=20
while [ ! -f $OBJ/remote_pid ] && [ $n -gt 0 ]; do
n=$(($n - 1))
sleep 1
done
kill $ssh_pid
wait $ssh_pid
exit_code=$?
if [ $exit_code -eq 0 ]; then
fail "ssh client should fail on signal"
fi