n_blocking (1 of 2 overloads)">native_non_blocking</a><span class="special">(</span>
    <span class="keyword">const</span> <span class="identifier">implementation_type</span> <span class="special">&amp;</span> <span class="identifier">impl</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="emphasis"><em>&#187; <a class="link" href="native_non_blocking/overload1.html" title="posix::stream_descriptor_service::native_non_blocking (1 of 2 overlo