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| <title>enqueue_marker</title> |
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| <meta name="keywords" content="enqueue_marker" /> |
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| <body> |
| <div class="refentry"> |
| <a id="id-1"></a> |
| <div class="titlepage"></div> |
| <div xmlns="" class="refnamediv"> |
| <a xmlns="http://www.w3.org/1999/xhtml" id="enqueue_marker"></a> |
| <h1>enqueue_marker</h1> |
| <p> |
| Enqueue a marker command to <code xmlns="http://www.w3.org/1999/xhtml" class="varname">queue</code>. |
| </p> |
| </div> |
| <div class="refsynopsisdiv"> |
| <h2></h2> |
| <div class="funcsynopsis"> |
| <table xmlns="" border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"> |
| <tr valign="bottom"> |
| <td> |
| <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef"> |
| <a class="link" href="scalarDataTypes.html" target="pagedisplay">int</a> |
| <strong class="fsfunc"> |
| enqueue_marker |
| </strong> |
| (</code> |
| <td> |
| <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="otherDataTypes.html" target="pagedisplay">queue_t</a> |
| <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">queue</var> |
| , </td> |
| </td> |
| </tr> |
| <tr valign="top"> |
| <td> </td> |
| <td> |
| <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="pagedisplay">uint</a> |
| <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">num_events_in_wait_list</var> |
| , </td> |
| </tr> |
| <tr valign="top"> |
| <td> </td> |
| <td> |
| const <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="otherDataTypes.html" target="pagedisplay">clk_event_t</a> |
| * <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">event_wait_list</var> |
| , </td> |
| </tr> |
| <tr valign="top"> |
| <td> </td> |
| <td> |
| <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="otherDataTypes.html" target="pagedisplay">clk_event_t</a> |
| * <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">event_ret</var> |
| <code>)</code></td> |
| </tr> |
| </table> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a id="description"></a> |
| <h2>Description</h2> |
| <p> |
| Enqueue a marker command to <code class="varname">queue</code>. |
| The marker command waits for a list of |
| events to complete, or if the list is |
| empty it waits for all previously enqueued |
| commands in <code class="varname">queue</code> |
| to complete before the marker completes. |
| </p> |
| <p> |
| <code class="varname">event_ret</code> must not be NULL as otherwise this is a no-op. |
| </p> |
| <p> |
| If an event is returned, <code class="function">enqueue_marker</code> |
| performs an implicit retain on the returned event. |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="errors"></a> |
| <h2>Errors</h2> |
| <p> |
| <code class="function">enqueue_marker</code> returns <span class="errorname">CL_SUCCESS</span> if the |
| marked command is enqueued successfully and returns <span class="errorname">CL_ENQUEUE_FAILURE</span> |
| otherwise. If the <code class="code">–g</code> compile option is specified in compiler options passed to |
| <a class="citerefentry" href="clCompileProgram.html"><span class="citerefentry"><span class="refentrytitle">clCompileProgram</span></span></a> or |
| <a class="citerefentry" href="clBuildProgram.html"><span class="citerefentry"><span class="refentrytitle">clBuildProgram</span></span></a>, the following |
| errors may be returned instead of <span class="errorname">CL_ENQUEUE_FAILURE</span> to indicate |
| why <a class="citerefentry" href="enqueue_marker.html"><span class="citerefentry"><span class="refentrytitle">enqueue_marker</span></span></a> |
| failed to enqueue the marker command: |
| </p> |
| <div class="itemizedlist"> |
| <ul class="itemizedlist" style="list-style-type: disc; "> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CLK_INVALID_QUEUE</span> if <code class="varname">queue</code> is not |
| a valid device queue. |
| </li> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CLK_INVALID_EVENT_WAIT_LIST</span> if <code class="varname">event_wait_list</code> |
| is NULL and <code class="varname">num_events_in_wait_list</code> is greater than zero, or if |
| <code class="varname">event_wait_list</code> is not NULL and |
| <code class="varname">num_events_in_wait_list</code> is zero, |
| or if event objects in <code class="varname">event_wait_list</code> are not valid events. |
| </li> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CLK_DEVICE_QUEUE_FULL</span> if <code class="varname">queue</code> is full. |
| </li> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CLK_EVENT_ALLOCATION_FAILURE</span> if |
| <code class="varname">event_ret</code> is not NULL and an event could not be allocated. |
| </li> |
| <li class="listitem" style="list-style-type: disc"><span class="errorname">CLK_OUT_OF_RESOURCES</span> |
| if there is a failure to queue the block in <code class="varname">queue</code> because of |
| insufficient resources needed to execute the kernel. |
| </li> |
| </ul> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a id="specification"></a> |
| <h2>Specification</h2> |
| <p> |
| <img src="pdficon_small1.gif" /> |
| |
| <a href="https://www.khronos.org/registry/cl/specs/opencl-2.1-openclc.pdf#page=170" target="OpenCL Spec">OpenCL Specification</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 © 2007-2015 The Khronos Group Inc. |
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| "Materials"), to deal in the Materials without restriction, including |
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| distribute, sublicense, and/or sell copies of the Materials, and to |
| permit persons to whom the Materials are furnished to do so, subject to |
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| in all copies or substantial portions of the Materials. |
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