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    <title>wait_group_events</title>
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        <a xmlns="http://www.w3.org/1999/xhtml" id="wait_group_events"></a>
        <h1>wait_group_events</h1>
        <p>
            Wait for events that identify the <code xmlns="http://www.w3.org/1999/xhtml" class="function">async_work_group_copy</code> operations to complete.
        </p>
      </div>
      <div class="refsynopsisdiv">
        <h2></h2>
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              <td>
                <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">
                    <a class="link" href="scalarDataTypes.html" target="_top">void</a>
                    <strong class="fsfunc">                   
                        wait_group_events
                    </strong>
                (</code>
                <td>int <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">num_events</var>, </td>
              </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="otherDataTypes.html" target="_top">event_t</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*event_list</var><code>)</code></td>
            </tr>
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      <div class="refsect1">
        <a id="description"></a>
        <h2>Description</h2>
        <p>
		Wait for events that identify the <a class="citerefentry" href="async_work_group_copy.html"><span class="citerefentry"><span class="refentrytitle">async_work_group_copy</span></span></a> operations to
complete. The event objects specified in <code class="varname">event_list</code> will be released after the wait is performed.
		</p>
        <p>	
This function must be encountered by all work-items in a work-group executing the kernel with the same <code class="varname">num_events</code> and event objects specified in <code class="varname">event_list</code>; otherwise the results are undefined.
		</p>
      </div>
      <div class="refsect1">
        <a id="notes"></a>
        <h2>Notes</h2>
        <p>
	  The OpenCL C programming language implements Async Copy and Prefetch functions that provide asynchronous copies between global and local memory and a prefetch from global memory. The generic type name <span class="type">gentype</span> indicates the built-in data types <span class="type">char</span>,  <span class="type">char{2|4|8|16}</span>, <span class="type">uchar</span>, <span class="type">uchar{2|4|8|16}</span>, <span class="type">short</span>, <span class="type">short{2|4|8|16}</span>, <span class="type">ushort</span>, <span class="type">ushort{2|4|8|16}</span>, <span class="type">int</span>, <span class="type">int{2|4|8|16}</span>, <span class="type">uint</span>, <span class="type">uint{2|4|8|16}</span>, <span class="type">long</span>, <span class="type">long{2|4|8|16}</span>, <span class="type">ulong</span>, <span class="type">ulong{2|4|8|16}</span> or <span class="type">float</span>, <span class="type">float{2|4|8|16}</span> as the type for the arguments unless otherwise stated.
		</p>
        <p>
		If extended with <a class="citerefentry" href="cl_khr_fp64.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_fp64</span></span></a>, generic type name <span class="type">gentype</span> may indicate <span class="type">double</span> and <span class="type">double{2|4|8|16}</span> as arguments and return values. If extended with <a class="citerefentry" href="cl_khr_fp16.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_fp16</span></span></a>, generic type name <span class="type">gentype</span> may indicate <span class="type">half</span> and <span class="type">half{2|4|8|16}</span> as arguments and return values. 
		</p>
      </div>
      <div class="refsect1">
        <a id="specification"></a>
        <h2>Specification</h2>
        <p>
            <img src="pdficon_small1.gif" />
                                                 
            <a href="http://www.khronos.org/registry/cl/specs/opencl-1.0.pdf#page=201" target="OpenCL Spec">OpenCL Specification</a>
        </p>
      </div>
      <div class="refsect1">
        <a id="seealso"></a>
        <h2>Also see</h2>
        <p>
            <a class="citerefentry" href="asyncCopyFunctions.html"><span class="citerefentry"><span class="refentrytitle">Async Copy and Prefetch  Functions</span></span></a> 
        </p>
      </div>
      <div xmlns="" class="refsect3" lang="en" xml:lang="en"><a xmlns="http://www.w3.org/1999/xhtml" id="Copyright"></a><h4 xmlns="http://www.w3.org/1999/xhtml"></h4><img xmlns="http://www.w3.org/1999/xhtml" src="KhronosLogo.jpg" /><p xmlns="http://www.w3.org/1999/xhtml"></p>Copyright © 2007-2009 The Khronos Group Inc. 
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and/or associated documentation files (the
"Materials"), to deal in the Materials without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Materials, and to
permit persons to whom the Materials are furnished to do so, subject to
the condition that this copyright notice and permission notice shall be included
in all copies or substantial portions of the Materials. 
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