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<h1>csutil/threading/atomicops_msvc.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> Copyright (C) 2006 by Marten Svanfeldt</span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment"> This library is free software; you can redistribute it and/or</span>
<a name="l00005"></a>00005 <span class="comment"> modify it under the terms of the GNU Lesser General Public</span>
<a name="l00006"></a>00006 <span class="comment"> License as published by the Free Software Foundation; either</span>
<a name="l00007"></a>00007 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00012"></a>00012 <span class="comment"> Library General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment"> You should have received a copy of the GNU Library General Public</span>
<a name="l00015"></a>00015 <span class="comment"> License along with this library; if not, write to the Free</span>
<a name="l00016"></a>00016 <span class="comment"> Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.</span>
<a name="l00017"></a>00017 <span class="comment">*/</span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="preprocessor">#ifndef __CS_CSUTIL_ATOMICOPS_MSVC_H__</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#define __CS_CSUTIL_ATOMICOPS_MSVC_H__</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span>
<a name="l00022"></a>00022 <span class="preprocessor">#ifndef DOXYGEN_RUN</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="keyword">namespace </span>CS
<a name="l00025"></a>00025 {
<a name="l00026"></a>00026 <span class="keyword">namespace </span>Threading
<a name="l00027"></a>00027 {
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="preprocessor">#pragma warning(push)</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#pragma warning(disable: 4311)</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span>
<a name="l00032"></a>00032 <span class="comment">//Windows and MSVC, use intrinsics</span>
<a name="l00033"></a>00033 <span class="keyword">class </span>AtomicOperationsMSVC
<a name="l00034"></a>00034 {
<a name="l00035"></a>00035 <span class="keyword">public</span>:
<a name="l00036"></a>00036 <span class="keyword">inline</span> <span class="keyword">static</span> <a class="code" href="group__util.html#g56f1a81c92849566ae864511088eb7e8" title="signed 32-bit integer (-2 147 483 648..2 147 483 647)">int32</a> Set (<a class="code" href="group__util.html#g56f1a81c92849566ae864511088eb7e8" title="signed 32-bit integer (-2 147 483 648..2 147 483 647)">int32</a>* target, <a class="code" href="group__util.html#g56f1a81c92849566ae864511088eb7e8" title="signed 32-bit integer (-2 147 483 648..2 147 483 647)">int32</a> value)
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038 <span class="keywordflow">return</span> (<a class="code" href="group__util.html#g56f1a81c92849566ae864511088eb7e8" title="signed 32-bit integer (-2 147 483 648..2 147 483 647)">int32</a>)_InterlockedExchange ((<span class="keywordtype">long</span>*)target, value);
<a name="l00039"></a>00039 }
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span>* Set (<span class="keywordtype">void</span>** target, <span class="keywordtype">void</span>* value)
<a name="l00042"></a>00042 {
<a name="l00043"></a>00043 <span class="preprocessor">#if CS_PROCESSOR_SIZE == 64</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span> <span class="keywordflow">return</span> (<span class="keywordtype">void</span>*)_InterlockedExchange64 ((__int64*)target, (__int64)value);
<a name="l00045"></a>00045 <span class="preprocessor">#else</span>
<a name="l00046"></a>00046 <span class="preprocessor"></span> <span class="keywordflow">return</span> (<span class="keywordtype">void</span>*)_InterlockedExchange ((<span class="keywordtype">long</span>*)target, (<span class="keywordtype">long</span>)value);
<a name="l00047"></a>00047 <span class="preprocessor">#endif</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span> }
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="keyword">inline</span> <span class="keyword">static</span> <a class="code" href="group__util.html#g56f1a81c92849566ae864511088eb7e8" title="signed 32-bit integer (-2 147 483 648..2 147 483 647)">int32</a> CompareAndSet (<a class="code" href="group__util.html#g56f1a81c92849566ae864511088eb7e8" title="signed 32-bit integer (-2 147 483 648..2 147 483 647)">int32</a>* target, <a class="code" href="group__util.html#g56f1a81c92849566ae864511088eb7e8" title="signed 32-bit integer (-2 147 483 648..2 147 483 647)">int32</a> value,
<a name="l00051"></a>00051 <a class="code" href="group__util.html#g56f1a81c92849566ae864511088eb7e8" title="signed 32-bit integer (-2 147 483 648..2 147 483 647)">int32</a> comparand)
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 <span class="keywordflow">return</span> (<a class="code" href="group__util.html#g56f1a81c92849566ae864511088eb7e8" title="signed 32-bit integer (-2 147 483 648..2 147 483 647)">int32</a>)_InterlockedCompareExchange ((<span class="keywordtype">long</span>*)target,
<a name="l00054"></a>00054 (<span class="keywordtype">long</span>)value, (<span class="keywordtype">long</span>)comparand);
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span>* CompareAndSet (<span class="keywordtype">void</span>** target, <span class="keywordtype">void</span>* value,
<a name="l00058"></a>00058 <span class="keywordtype">void</span>* comparand)
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060 <span class="preprocessor">#if CS_PROCESSOR_SIZE == 64</span>
<a name="l00061"></a>00061 <span class="preprocessor"></span> <span class="keywordflow">return</span> (<span class="keywordtype">void</span>*)_InterlockedCompareExchange64 ((__int64*)target,
<a name="l00062"></a>00062 (__int64)value, (__int64)comparand);
<a name="l00063"></a>00063 <span class="preprocessor">#else</span>
<a name="l00064"></a>00064 <span class="preprocessor"></span> <span class="keywordflow">return</span> (<span class="keywordtype">void</span>*)_InterlockedCompareExchange ((<span class="keywordtype">long</span>*)target,
<a name="l00065"></a>00065 (<span class="keywordtype">long</span>)value, (<span class="keywordtype">long</span>)comparand);
<a name="l00066"></a>00066 <span class="preprocessor">#endif</span>
<a name="l00067"></a>00067 <span class="preprocessor"></span> }
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keyword">inline</span> <span class="keyword">static</span> <a class="code" href="group__util.html#g56f1a81c92849566ae864511088eb7e8" title="signed 32-bit integer (-2 147 483 648..2 147 483 647)">int32</a> Increment (<a class="code" href="group__util.html#g56f1a81c92849566ae864511088eb7e8" title="signed 32-bit integer (-2 147 483 648..2 147 483 647)">int32</a>* target)
<a name="l00070"></a>00070 {
<a name="l00071"></a>00071 <span class="keywordflow">return</span> (<a class="code" href="group__util.html#g56f1a81c92849566ae864511088eb7e8" title="signed 32-bit integer (-2 147 483 648..2 147 483 647)">int32</a>)_InterlockedIncrement ((<span class="keywordtype">long</span>*)target);
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keyword">inline</span> <span class="keyword">static</span> <a class="code" href="group__util.html#g56f1a81c92849566ae864511088eb7e8" title="signed 32-bit integer (-2 147 483 648..2 147 483 647)">int32</a> Decrement (<a class="code" href="group__util.html#g56f1a81c92849566ae864511088eb7e8" title="signed 32-bit integer (-2 147 483 648..2 147 483 647)">int32</a>* target)
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 <span class="keywordflow">return</span> (<a class="code" href="group__util.html#g56f1a81c92849566ae864511088eb7e8" title="signed 32-bit integer (-2 147 483 648..2 147 483 647)">int32</a>)_InterlockedDecrement ((<span class="keywordtype">long</span>*)target);
<a name="l00077"></a>00077 }
<a name="l00078"></a>00078 };
<a name="l00079"></a>00079 <span class="preprocessor">#pragma warning(pop)</span>
<a name="l00080"></a>00080 <span class="preprocessor"></span>
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="preprocessor">#endif // DOXYGEN_RUN</span>
<a name="l00085"></a>00085 <span class="preprocessor"></span>
<a name="l00086"></a>00086 <span class="preprocessor">#endif // __CS_CSUTIL_ATOMICOPS_MSVC_H__</span>
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