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    <div class="moz-cite-prefix">On 2016年02月18日 07:49, Burton, Ross
      wrote:<br>
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cite="mid:CAJTo0LY2DFyOqFU5AtrmtDFHZroGWgoeCRvychC-c1Ed-qHmnQ@mail.gmail.com"
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          <div class="gmail_quote">On 17 February 2016 at 05:40, Kang
            Kai <span dir="ltr">&lt;<a moz-do-not-send="true"
                href="mailto:Kai.Kang@windriver.com" target="_blank">Kai.Kang@windriver.com</a>&gt;</span>
            wrote:<br>
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              .8ex;border-left:1px #ccc solid;padding-left:1ex">
              <div text="#000000" bgcolor="#FFFFFF">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.<br>
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          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?</div>
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    Sorry for late reply.<br>
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    I think I understand your meanings. V3 will be sent.<br>
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    --Kai<br>
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cite="mid:CAJTo0LY2DFyOqFU5AtrmtDFHZroGWgoeCRvychC-c1Ed-qHmnQ@mail.gmail.com"
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        <div class="gmail_extra">Ross</div>
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    <pre class="moz-signature" cols="72">-- 
Regards,
Neil | Kai Kang</pre>
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