 class="o">=</span> <span class="mi">9</span>       <span class="c1">//!&lt; All mainstream OSs and CIFS guarantee this is atomic with respect to all other appenders (FILE_APPEND_DATA|SYNCHRONISE or O_APPEND)
</span><span class="c1"></span>  <span class="p">};</span>

  <span class="c1">// Moves but not copies permitted
</span><span class="c1"></span>  <span class="n">file_handle</span><span class="p">(</span><span class="k">const</span> <span class="n">file_handle</span> <span class="o">&amp;</span><span c