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  27 <a name="boost_asio.reference.posix__basic_stream_descriptor.native_non_blocking.overload1"></a><a class="link" href="overload1.html" title="posix::basic_stream_descriptor::native_non_blocking (1 of 3 overloads)">posix::basic_stream_descriptor::native_non_blocking
  28           (1 of 3 overloads)</a>
  29 </h5></div></div></div>
  30 <p>
  31             <span class="emphasis"><em>Inherited from posix::basic_descriptor.</em></span>
  32           </p>
  33 <p>
  34             Gets the non-blocking mode of the native descriptor implementation.
  35           </p>
  36 <pre class="programlisting"><span class="keyword">bool</span> <span class="identifier">native_non_blocking</span><span class="special">()</span> <span class="keyword">const</span><span class="special">;</span>
  37 </pre>
  38 <p>
  39             This function is used to retrieve the non-blocking mode of the underlying
  40             native descriptor. This mode has no effect on the behaviour of the descriptor
  41             object's synchronous operations.
  42           </p>
  43 <h6>
  44 <a name="boost_asio.reference.posix__basic_stream_descriptor.native_non_blocking.overload1.h0"></a>
  45             <span class="phrase"><a name="boost_asio.reference.posix__basic_stream_descriptor.native_non_blocking.overload1.return_value"></a></span><a class="link" href="overload1.html#boost_asio.reference.posix__basic_stream_descriptor.native_non_blocking.overload1.return_value">Return
  46             Value</a>
  47           </h6>
  48 <p>
  49             <code class="computeroutput"><span class="keyword">true</span></code> if the underlying descriptor
  50             is in non-blocking mode and direct system calls may fail with <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">error</span><span class="special">::</span><span class="identifier">would_block</span></code> (or the equivalent system
  51             error).
  52           </p>
  53 <h6>
  54 <a name="boost_asio.reference.posix__basic_stream_descriptor.native_non_blocking.overload1.h1"></a>
  55             <span class="phrase"><a name="boost_asio.reference.posix__basic_stream_descriptor.native_non_blocking.overload1.remarks"></a></span><a class="link" href="overload1.html#boost_asio.reference.posix__basic_stream_descriptor.native_non_blocking.overload1.remarks">Remarks</a>
  56           </h6>
  57 <p>
  58             The current non-blocking mode is cached by the descriptor object. Consequently,
  59             the return value may be incorrect if the non-blocking mode was set directly
  60             on the native descriptor.
  61           </p>
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  65 <td align="right"><div class="copyright-footer">Copyright &#169; 2003-2014 Christopher M. Kohlhoff<p>
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