Github user iemejia commented on the issue:
https://github.com/apache/flink/pull/2239
I tried not to change the current daemon behavior, that's the reason why I
took
the decision to add an additional option. I am not sure if using wait may
work for what I want but if it does, perfect, can you give me hints of how to
test this ? I naively did this and it does not seem to work.
```
if [[ ${mypid} =~ ${IS_NUMBER} ]] && kill -0 $mypid > /dev/null
2>&1 ; then
echo $mypid >> $pid
+ wait $mypid # I also tried with $pid and it does not work either
else
```
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