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    <title>clEnqueueMarker</title>
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        <a xmlns="http://www.w3.org/1999/xhtml" id="clEnqueueMarker"></a>
        <h1>     
            clEnqueueMarker
        </h1>
        <p>          
            Enqueues a marker command.
        </p>
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      <div class="refsynopsisdiv">
        <h2></h2>
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                <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">
                    <a class="link" href="scalarDataTypes.html" target="_top">cl_int</a>
 <strong class="fsfunc">clEnqueueMarker</strong>
                (</code>
                <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="_top">cl_command_queue</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">command_queue</var>, </td>
              </td>
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              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="_top">cl_event</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*event</var><code>)</code></td>
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      <div class="refsect1">
        <a id="notes"></a>
        <h2>Notes</h2>
        <p>

            Enqueues a marker command to <code class="varname">command_queue</code>. The marker command returns an <code class="varname">event</code> which can be used to queue a wait on this marker event i.e. wait for all commands queued before the marker command to complete.
        </p>
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      <div class="refsect1">
        <a id="errors"></a>
        <h2>Errors</h2>
        <p>
            Returns <span class="errorname">CL_SUCCESS</span> if the function is successfully executed. It returns
<span class="errorname">CL_INVALID_COMMAND_QUEUE</span> if <code class="varname">command_queue</code> is not a valid command-queue, returns
<span class="errorname">CL_INVALID_VALUE</span> if <code class="varname">event</code> is a NULL value and returns <span class="errorname">CL_OUT_OF_HOST_MEMORY</span> if
there is a failure to allocate resources required by the OpenCL implementation on the host.
		</p>
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      <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=121" target="OpenCL Spec">OpenCL Specification</a>
        </p>
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      <div class="refsect1">
        <a id="seealso"></a>
        <h2>Also see</h2>
        <p>
            <a class="citerefentry" href="clEnqueueWaitForEvents.html"><span class="citerefentry"><span class="refentrytitle">clEnqueueWaitForEvents</span></span></a>, 
			<a class="citerefentry" href="clEnqueueBarrier.html"><span class="citerefentry"><span class="refentrytitle">clEnqueueBarrier</span></span></a>
        </p>
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      <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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