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| <title>atom_inc</title> |
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| <div xmlns="" class="refnamediv"> |
| <a xmlns="http://www.w3.org/1999/xhtml" id="atom_inc"></a> |
| <h1>atom_inc</h1> |
| <p> |
| 64-bit atom_inc functions. |
| </p> |
| </div> |
| <div class="refsynopsisdiv"> |
| <h2></h2> |
| <div class="funcsynopsis"> |
| <table xmlns="" border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"> |
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| <td> |
| <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef"> |
| <a class="link" href="scalarDataTypes.html" target="pagedisplay">long</a> |
| <strong class="fsfunc"> |
| atom_inc |
| </strong> |
| (</code> |
| <td> |
| volatile __global |
| <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="pagedisplay">long</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*p</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">long</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">val</var><code>)</code></td> |
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| <td> |
| <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef"> |
| <a class="link" href="scalarDataTypes.html" target="pagedisplay">long</a> |
| <strong class="fsfunc"> |
| atom_inc |
| </strong> |
| (</code> |
| <td> |
| volatile __local |
| <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="pagedisplay">long</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*p</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">long</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">val</var><code>)</code></td> |
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| <table xmlns="" border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"> |
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| <td> |
| <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef"> |
| <a class="link" href="scalarDataTypes.html" target="pagedisplay">ulong</a> |
| <strong class="fsfunc"> |
| atom_inc |
| </strong> |
| (</code> |
| <td> |
| volatile __global |
| <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="pagedisplay">ulong</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*p</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">ulong</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">val</var><code>)</code></td> |
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| </div> |
| <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">ulong</a> |
| <strong class="fsfunc"> |
| atom_inc |
| </strong> |
| (</code> |
| <td> |
| volatile __local |
| <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="pagedisplay">ulong</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*p</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">ulong</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">val</var><code>)</code></td> |
| </tr> |
| </table> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a id="description"></a> |
| <h2>Description</h2> |
| <p> |
| Read the 64-bit value (referred to as <code class="varname">old</code>) stored at location pointed by |
| <code class="varname">p</code>. Compute (<code class="varname">old</code> + 1) and store |
| result at location pointed by <code class="varname">p</code>. The function returns <code class="varname">old</code>. |
| </p> |
| <p> |
| An application that wants to use this extension will need to include the <code class="code">#pragma |
| OPENCL EXTENSION cl_khr_int64_base_atomics : enable</code> in the OpenCL program source. |
| </p> |
| <p> |
| This function is performed in one atomic transaction. These transactions are atomic for the device |
| executing these atomic functions. There is no guarantee of atomicity if the atomic operations to |
| the same memory location are being performed by kernels executing on multiple devices. |
| </p> |
| <p> |
| Atomic operations on 64-bit integers and 32-bit integers (and float) are also atomic with regard to each other. |
| </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-1.2.pdf#page=279" target="OpenCL Spec">OpenCL Specification</a> |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="seealso"></a> |
| <h2>Also see</h2> |
| <p> |
| <a class="citerefentry" href="atomicFunctions.html"><span class="citerefentry"><span class="refentrytitle">Atomic Functions</span></span></a>, |
| <a class="citerefentry" href="atomic_inc.html"><span class="citerefentry"><span class="refentrytitle">atomic_inc</span></span></a>, |
| <a class="citerefentry" href="cl_khr_int64_base_atomics.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_int64_base_atomics</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 © 2007-2011 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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