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<title>mem_fence</title>
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<div xmlns="" class="refnamediv">
<a xmlns="http://www.w3.org/1999/xhtml" id="mem_fence"></a>
<h1>mem_fence</h1>
<p>
Orders loads and stores of a work-item executing a kernel.
</p>
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<h2></h2>
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<code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">
<a class="link" href="scalarDataTypes.html" target="_top">void</a>
<strong class="fsfunc">
mem_fence
</strong>
(</code>
<td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="_top">cl_mem</a>_fence_flags <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">flags</var><code>)</code></td>
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<div class="refsect1">
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<h2>Description</h2>
<p>
Orders loads and stores of a work-item executing a kernel. This means that loads and stores preceding the <code class="function">mem_fence</code> will be committed to memory before any loads and stores following the <code class="function">mem_fence</code>.
</p>
<p>
The <code class="varname">flags</code> argument specifies the memory address space and can be set to a combination of the following literal values: CLK_LOCAL_MEM_FENCE, CLK_GLOBAL_MEM_FENCE.
</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=200" 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="explicitMemoryFenceFunctions.html"><span class="citerefentry"><span class="refentrytitle">Explicit Memory Fence Functions</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.
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