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  27 <a name="boost.mpi.wait_all"></a><div class="titlepage"></div>
  28 <div class="refnamediv">
  29 <h2><span class="refentrytitle">Function wait_all</span></h2>
  30 <p>boost::mpi::wait_all &#8212; Wait until all non-blocking requests have completed. </p>
  31 </div>
  32 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
  33 <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../mpi/reference.html#header.boost.mpi.nonblocking_hpp" title="Header &lt;boost/mpi/nonblocking.hpp&gt;">boost/mpi/nonblocking.hpp</a>&gt;
  34
  35 </span>
  36 <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <a class="link" href="../../ForwardIterator.html" title="Concept ForwardIterator">ForwardIterator</a><span class="special">,</span> <span class="keyword">typename</span> <a class="link" href="../../OutputIterator.html" title="Concept OutputIterator">OutputIterator</a><span class="special">&gt;</span>
  37   <span class="identifier">OutputIterator</span>
  38   <span class="identifier">wait_all</span><span class="special">(</span><span class="identifier">ForwardIterator</span> first<span class="special">,</span> <span class="identifier">ForwardIterator</span> last<span class="special">,</span> <span class="identifier">OutputIterator</span> out<span class="special">)</span><span class="special">;</span>
  39 <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <a class="link" href="../../ForwardIterator.html" title="Concept ForwardIterator">ForwardIterator</a><span class="special">&gt;</span>
  40   <span class="keyword">void</span> <span class="identifier">wait_all</span><span class="special">(</span><span class="identifier">ForwardIterator</span> first<span class="special">,</span> <span class="identifier">ForwardIterator</span> last<span class="special">)</span><span class="special">;</span></pre></div>
  41 <div class="refsect1">
  42 <a name="idp421595008"></a><h2>Description</h2>
  43 <p>This routine takes in a set of requests stored in the iterator range <code class="computeroutput"></code>[first,last) and waits until all of these requests have been completed. It provides functionality equivalent to <code class="computeroutput">MPI_Waitall</code>.</p>
  44 <p>
  45
  46 </p>
  47 <div class="variablelist"><table border="0" class="variablelist compact">
  48 <colgroup>
  49 <col align="left" valign="top">
  50 <col>
  51 </colgroup>
  52 <tbody>
  53 <tr>
  54 <td><p><span class="term">Parameters:</span></p></td>
  55 <td><div class="variablelist"><table border="0" class="variablelist compact">
  56 <colgroup>
  57 <col align="left" valign="top">
  58 <col>
  59 </colgroup>
  60 <tbody>
  61 <tr>
  62 <td><p><span class="term"><code class="computeroutput">first</code></span></p></td>
  63 <td><p>The iterator that denotes the beginning of the sequence of request objects.</p></td>
  64 </tr>
  65 <tr>
  66 <td><p><span class="term"><code class="computeroutput">last</code></span></p></td>
  67 <td><p>The iterator that denotes the end of the sequence of request objects.</p></td>
  68 </tr>
  69 <tr>
  70 <td><p><span class="term"><code class="computeroutput">out</code></span></p></td>
  71 <td><p>If provided, an output iterator through which the status of each request will be emitted. The <code class="computeroutput">status</code> objects are emitted in the same order as the requests are retrieved from <code class="computeroutput"></code>[first,last).</p></td>
  72 </tr>
  73 </tbody>
  74 </table></div></td>
  75 </tr>
  76 <tr>
  77 <td><p><span class="term">Returns:</span></p></td>
  78 <td><p>If an <code class="computeroutput">out</code> parameter was provided, the value <code class="computeroutput">out</code> after all of the <code class="computeroutput">status</code> objects have been emitted. </p></td>
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  86 <td align="right"><div class="copyright-footer">Copyright &#169; 2005-2007 Douglas Gregor,
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