On 17 February 2016 at 05:40, Kang Kai <Kai.Kang@windriver.com> wrote:

> I prefer to keep such check. There is more than one case that causes
> operation error such as pass wrong parameters. The messages are  helpful
> for developers.
>


In that case the groupadd will return an error code.  What situations with
proper locking will result in groupadd running successfully but the group
not being added?

Ross