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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
+<title>NeL: NLMISC::CSystemInfo class Reference</title>
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+</head><body>
+<!-- Generated by Doxygen 1.3.6 -->
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+<h1>NLMISC::CSystemInfo Class Reference</h1><code>#include &lt;<a class="el" href="a06480.html">system_info.h</a>&gt;</code>
+<p>
+<hr><a name="_details"></a><h2>Detailed Description</h2>
+<dl compact><dt><b>Author:</b></dt><dd>Vianney Lecroart <p>
+Nevrax France </dd></dl>
+<dl compact><dt><b>Date:</b></dt><dd>2000 </dd></dl>
+
+<p>
+
+<p>
+Definition at line <a class="el" href="a06480.html#l00042">42</a> of file <a class="el" href="a06480.html">system_info.h</a>.<table border=0 cellpadding=0 cellspacing=0>
+<tr><td></td></tr>
+<tr><td colspan=2><br><h2>Static Public Member Functions</h2></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a04558.html#a11">uint32</a>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03467.html#NLMISC_1_1CSystemInfoe0">availablePhysicalMemory</a> ()</td></tr>
+
+<tr><td class="memItemLeft" nowrap align=right valign=top>std::string&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03467.html#NLMISC_1_1CSystemInfoe1">getOS</a> ()</td></tr>
+
+<tr><td class="memItemLeft" nowrap align=right valign=top>std::string&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03467.html#NLMISC_1_1CSystemInfoe2">getProc</a> ()</td></tr>
+
+<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a04558.html#a13">uint64</a>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03467.html#NLMISC_1_1CSystemInfoe3">getProcessorFrequency</a> (bool quick=false)</td></tr>
+
+<tr><td class="memItemLeft" nowrap align=right valign=top>bool&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03467.html#NLMISC_1_1CSystemInfoe4">hasCPUID</a> ()</td></tr>
+
+<tr><td class="memItemLeft" nowrap align=right valign=top>bool&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03467.html#NLMISC_1_1CSystemInfoe5">hasMMX</a> ()</td></tr>
+
+<tr><td class="memItemLeft" nowrap align=right valign=top>bool&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03467.html#NLMISC_1_1CSystemInfoe6">hasSSE</a> ()</td></tr>
+
+<tr><td class="memItemLeft" nowrap align=right valign=top>bool&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03467.html#NLMISC_1_1CSystemInfoe7">isNT</a> ()</td></tr>
+
+<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a04558.html#a11">uint32</a>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03467.html#NLMISC_1_1CSystemInfoe8">totalPhysicalMemory</a> ()</td></tr>
+
+<tr><td colspan=2><br><h2>Static Private Attributes</h2></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>bool&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03467.html#NLMISC_1_1CSystemInfov0">_HaveMMX</a> = DetectMMX ()</td></tr>
+
+<tr><td class="memItemLeft" nowrap align=right valign=top>bool&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03467.html#NLMISC_1_1CSystemInfov1">_HaveSSE</a> = DetectSSE ()</td></tr>
+
+</table>
+<hr><h2>Member Function Documentation</h2>
+<a class="anchor" name="NLMISC_1_1CSystemInfoe0" doxytag="NLMISC::CSystemInfo::availablePhysicalMemory" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> <a class="el" href="a04558.html#a11">uint32</a> NLMISC::CSystemInfo::availablePhysicalMemory </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap><code> [static]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+returns all the physical memory available on this computer
+<p>
+Definition at line <a class="el" href="a06479.html#l00671">671</a> of file <a class="el" href="a06479.html">system_info.cpp</a>.
+<p>
+References <a class="el" href="a05981.html#l00100">uint32</a>.
+<p>
+<div class="fragment"><pre>00672 {
+00673 <span class="preprocessor">#ifdef NL_OS_WINDOWS</span>
+00674 <span class="preprocessor"></span>
+00675 MEMORYSTATUS ms;
+00676 GlobalMemoryStatus (&amp;ms);
+00677 <span class="keywordflow">return</span> ms.dwAvailPhys;
+00678
+00679 <span class="preprocessor">#elif defined NL_OS_UNIX</span>
+00680 <span class="preprocessor"></span>
+00681 <span class="keywordflow">return</span> getSystemMemory (2) + getSystemMemory (4) + getSystemMemory (5);
+00682
+00683 <span class="preprocessor">#endif</span>
+00684 <span class="preprocessor"></span>
+00685 <span class="keywordflow">return</span> 0;
+00686 }
+</pre></div> </td>
+ </tr>
+</table>
+<a class="anchor" name="NLMISC_1_1CSystemInfoe1" doxytag="NLMISC::CSystemInfo::getOS" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> string NLMISC::CSystemInfo::getOS </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap><code> [static]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+
+<p>
+Definition at line <a class="el" href="a06479.html#l00049">49</a> of file <a class="el" href="a06479.html">system_info.cpp</a>.
+<p>
+References <a class="el" href="a05646.html#l00649">buffer</a>, <a class="el" href="a05646.html#l00235">len</a>, <a class="el" href="a05622.html#l00135">nlwarning</a>, and <a class="el" href="a06229.html#l02652">NLMISC::toString()</a>.
+<p>
+<div class="fragment"><pre>00050 {
+00051 string OSString = <span class="stringliteral">"Unknown"</span>;
+00052
+00053 <span class="preprocessor">#ifdef NL_OS_WINDOWS</span>
+00054 <span class="preprocessor"></span>
+00055 OSVERSIONINFOEX osvi;
+00056 BOOL bOsVersionInfoEx;
+00057 <span class="keyword">const</span> <span class="keywordtype">int</span> BUFSIZE = 80;
+00058
+00059 <span class="comment">// Try calling GetVersionEx using the OSVERSIONINFOEX structure.</span>
+00060 <span class="comment">// If that fails, try using the OSVERSIONINFO structure.</span>
+00061
+00062 ZeroMemory(&amp;osvi, <span class="keyword">sizeof</span>(OSVERSIONINFOEX));
+00063 osvi.dwOSVersionInfoSize = <span class="keyword">sizeof</span>(OSVERSIONINFOEX);
+00064
+00065 <span class="keywordflow">if</span>( !(bOsVersionInfoEx = GetVersionEx ((OSVERSIONINFO *) &amp;osvi)) )
+00066 {
+00067 osvi.dwOSVersionInfoSize = <span class="keyword">sizeof</span> (OSVERSIONINFO);
+00068 <span class="keywordflow">if</span> (! GetVersionEx ( (OSVERSIONINFO *) &amp;osvi) )
+00069 <span class="keywordflow">return</span> OSString+<span class="stringliteral">" Can't GetVersionEx()"</span>;
+00070 }
+00071
+00072 <span class="keywordflow">switch</span> (osvi.dwPlatformId)
+00073 {
+00074 <span class="comment">// Test for the Windows NT product family.</span>
+00075 <span class="keywordflow">case</span> VER_PLATFORM_WIN32_NT:
+00076
+00077 <span class="comment">// Test for the specific product family.</span>
+00078 <span class="keywordflow">if</span> ( osvi.dwMajorVersion == 5 &amp;&amp; osvi.dwMinorVersion == 2 )
+00079 OSString = <span class="stringliteral">"Microsoft Windows Server 2003 family "</span>;
+00080
+00081 <span class="keywordflow">if</span> ( osvi.dwMajorVersion == 5 &amp;&amp; osvi.dwMinorVersion == 1 )
+00082 OSString = <span class="stringliteral">"Microsoft Windows XP "</span>;
+00083
+00084 <span class="keywordflow">if</span> ( osvi.dwMajorVersion == 5 &amp;&amp; osvi.dwMinorVersion == 0 )
+00085 OSString = <span class="stringliteral">"Microsoft Windows 2000 "</span>;
+00086
+00087 <span class="keywordflow">if</span> ( osvi.dwMajorVersion &lt;= 4 )
+00088 OSString = <span class="stringliteral">"Microsoft Windows NT "</span>;
+00089
+00090 <span class="comment">// Test for specific product on Windows NT 4.0 SP6 and later.</span>
+00091 <span class="keywordflow">if</span>( bOsVersionInfoEx )
+00092 {
+00093 <span class="comment">// not available on visual 6 SP4, then comment it</span>
+00094
+00095 <span class="comment">/* // Test for the workstation type.</span>
+00096 <span class="comment"> if ( osvi.wProductType == VER_NT_WORKSTATION )</span>
+00097 <span class="comment"> {</span>
+00098 <span class="comment"> if( osvi.dwMajorVersion == 4 )</span>
+00099 <span class="comment"> printf ( "Workstation 4.0 " );</span>
+00100 <span class="comment"> else if( osvi.wSuiteMask &amp; VER_SUITE_PERSONAL )</span>
+00101 <span class="comment"> printf ( "Home Edition " );</span>
+00102 <span class="comment"> else</span>
+00103 <span class="comment"> printf ( "Professional " );</span>
+00104 <span class="comment"> }</span>
+00105 <span class="comment"> </span>
+00106 <span class="comment"> // Test for the server type.</span>
+00107 <span class="comment"> else if ( osvi.wProductType == VER_NT_SERVER )</span>
+00108 <span class="comment"> {</span>
+00109 <span class="comment"> if( osvi.dwMajorVersion == 5 &amp;&amp; osvi.dwMinorVersion == 2 )</span>
+00110 <span class="comment"> {</span>
+00111 <span class="comment"> if( osvi.wSuiteMask &amp; VER_SUITE_DATACENTER )</span>
+00112 <span class="comment"> printf ( "Datacenter Edition " );</span>
+00113 <span class="comment"> else if( osvi.wSuiteMask &amp; VER_SUITE_ENTERPRISE )</span>
+00114 <span class="comment"> printf ( "Enterprise Edition " );</span>
+00115 <span class="comment"> else if ( osvi.wSuiteMask == VER_SUITE_BLADE )</span>
+00116 <span class="comment"> printf ( "Web Edition " );</span>
+00117 <span class="comment"> else</span>
+00118 <span class="comment"> printf ( "Standard Edition " );</span>
+00119 <span class="comment"> }</span>
+00120 <span class="comment"></span>
+00121 <span class="comment"> else if( osvi.dwMajorVersion == 5 &amp;&amp; osvi.dwMinorVersion == 0 )</span>
+00122 <span class="comment"> {</span>
+00123 <span class="comment"> if( osvi.wSuiteMask &amp; VER_SUITE_DATACENTER )</span>
+00124 <span class="comment"> printf ( "Datacenter Server " );</span>
+00125 <span class="comment"> else if( osvi.wSuiteMask &amp; VER_SUITE_ENTERPRISE )</span>
+00126 <span class="comment"> printf ( "Advanced Server " );</span>
+00127 <span class="comment"> else</span>
+00128 <span class="comment"> printf ( "Server " );</span>
+00129 <span class="comment"> }</span>
+00130 <span class="comment"></span>
+00131 <span class="comment"> else // Windows NT 4.0 </span>
+00132 <span class="comment"> {</span>
+00133 <span class="comment"> if( osvi.wSuiteMask &amp; VER_SUITE_ENTERPRISE )</span>
+00134 <span class="comment"> printf ("Server 4.0, Enterprise Edition " );</span>
+00135 <span class="comment"> else</span>
+00136 <span class="comment"> printf ( "Server 4.0 " );</span>
+00137 <span class="comment"> }</span>
+00138 <span class="comment"> }*/</span>
+00139 }
+00140 <span class="keywordflow">else</span> <span class="comment">// Test for specific product on Windows NT 4.0 SP5 and earlier</span>
+00141 {
+00142 HKEY hKey;
+00143 <span class="keywordtype">char</span> szProductType[BUFSIZE];
+00144 DWORD dwBufLen=BUFSIZE;
+00145 LONG lRet;
+00146
+00147 lRet = RegOpenKeyEx( HKEY_LOCAL_MACHINE, <span class="stringliteral">"SYSTEM\\CurrentControlSet\\Control\\ProductOptions"</span>, 0, KEY_QUERY_VALUE, &amp;hKey );
+00148 <span class="keywordflow">if</span>( lRet != ERROR_SUCCESS )
+00149 <span class="keywordflow">return</span> OSString + <span class="stringliteral">" Can't RegOpenKeyEx"</span>;
+00150
+00151 lRet = RegQueryValueEx( hKey, <span class="stringliteral">"ProductType"</span>, NULL, NULL, (LPBYTE) szProductType, &amp;dwBufLen);
+00152 <span class="keywordflow">if</span>( (lRet != ERROR_SUCCESS) || (dwBufLen &gt; BUFSIZE) )
+00153 <span class="keywordflow">return</span> OSString + <span class="stringliteral">" Can't ReQueryValueEx"</span>;
+00154
+00155 RegCloseKey( hKey );
+00156
+00157 <span class="keywordflow">if</span> ( lstrcmpi( <span class="stringliteral">"WINNT"</span>, szProductType) == 0 )
+00158 OSString += <span class="stringliteral">"Workstation "</span>;
+00159 <span class="keywordflow">if</span> ( lstrcmpi( <span class="stringliteral">"LANMANNT"</span>, szProductType) == 0 )
+00160 OSString += <span class="stringliteral">"Server "</span>;
+00161 <span class="keywordflow">if</span> ( lstrcmpi( <span class="stringliteral">"SERVERNT"</span>, szProductType) == 0 )
+00162 OSString += <span class="stringliteral">"Advanced Server "</span>;
+00163 }
+00164
+00165 <span class="comment">// Display service pack (if any) and build number.</span>
+00166
+00167 <span class="keywordflow">if</span>( osvi.dwMajorVersion == 4 &amp;&amp; lstrcmpi( osvi.szCSDVersion, <span class="stringliteral">"Service Pack 6"</span> ) == 0 )
+00168 {
+00169 HKEY hKey;
+00170 LONG lRet;
+00171
+00172 <span class="comment">// Test for SP6 versus SP6a.</span>
+00173 lRet = RegOpenKeyEx( HKEY_LOCAL_MACHINE, <span class="stringliteral">"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Hotfix\\Q246009"</span>, 0, KEY_QUERY_VALUE, &amp;hKey );
+00174 <span class="keywordflow">if</span>( lRet == ERROR_SUCCESS )
+00175 OSString += <a class="code" href="a05378.html#a244">toString</a>(<span class="stringliteral">"Service Pack 6a (Build %d) "</span>, osvi.dwBuildNumber &amp; 0xFFFF );
+00176 <span class="keywordflow">else</span> <span class="comment">// Windows NT 4.0 prior to SP6a</span>
+00177 {
+00178 OSString += <a class="code" href="a05378.html#a244">toString</a>(<span class="stringliteral">"%s (Build %d) "</span>, osvi.szCSDVersion, osvi.dwBuildNumber &amp; 0xFFFF);
+00179 }
+00180
+00181 RegCloseKey( hKey );
+00182 }
+00183 <span class="keywordflow">else</span> <span class="comment">// Windows NT 3.51 and earlier or Windows 2000 and later</span>
+00184 {
+00185 OSString += <a class="code" href="a05378.html#a244">toString</a>(<span class="stringliteral">"%s (Build %d) "</span>, osvi.szCSDVersion, osvi.dwBuildNumber &amp; 0xFFFF);
+00186 }
+00187
+00188 <span class="keywordflow">break</span>;
+00189
+00190 <span class="comment">// Test for the Windows 95 product family.</span>
+00191 <span class="keywordflow">case</span> VER_PLATFORM_WIN32_WINDOWS:
+00192
+00193 <span class="keywordflow">if</span> (osvi.dwMajorVersion == 4 &amp;&amp; osvi.dwMinorVersion == 0)
+00194 {
+00195 OSString = <span class="stringliteral">"Microsoft Windows 95 "</span>;
+00196 <span class="keywordflow">if</span> ( osvi.szCSDVersion[1] == <span class="charliteral">'C'</span> || osvi.szCSDVersion[1] == <span class="charliteral">'B'</span> )
+00197 OSString += <span class="stringliteral">"OSR2 "</span>;
+00198 }
+00199
+00200 <span class="keywordflow">if</span> (osvi.dwMajorVersion == 4 &amp;&amp; osvi.dwMinorVersion == 10)
+00201 {
+00202 OSString = <span class="stringliteral">"Microsoft Windows 98 "</span>;
+00203 <span class="keywordflow">if</span> ( osvi.szCSDVersion[1] == <span class="charliteral">'A'</span> )
+00204 OSString += <span class="stringliteral">"SE "</span>;
+00205 }
+00206
+00207 <span class="keywordflow">if</span> (osvi.dwMajorVersion == 4 &amp;&amp; osvi.dwMinorVersion == 90)
+00208 {
+00209 OSString = <span class="stringliteral">"Microsoft Windows Millennium Edition "</span>;
+00210 }
+00211 <span class="keywordflow">break</span>;
+00212
+00213 <span class="keywordflow">case</span> VER_PLATFORM_WIN32s:
+00214
+00215 OSString = <span class="stringliteral">"Microsoft Win32s "</span>;
+00216 <span class="keywordflow">break</span>;
+00217 }
+00218
+00219 OSString += <a class="code" href="a05378.html#a244">toString</a>( <span class="stringliteral">"(%d.%d %d)"</span>, osvi.dwMajorVersion, osvi.dwMinorVersion, osvi.dwBuildNumber &amp; 0xFFFF);
+00220
+00221 <span class="preprocessor">#elif defined NL_OS_UNIX</span>
+00222 <span class="preprocessor"></span>
+00223 <span class="keywordtype">int</span> fd = open(<span class="stringliteral">"/proc/version"</span>, O_RDONLY);
+00224 <span class="keywordflow">if</span> (fd == -1)
+00225 {
+00226 <a class="code" href="a04199.html#a2">nlwarning</a> (<span class="stringliteral">"SI: Can't get OS from /proc/version: %s"</span>, strerror (errno));
+00227 }
+00228 <span class="keywordflow">else</span>
+00229 {
+00230 <span class="keywordtype">char</span> <a class="code" href="a04223.html#a589">buffer</a>[4096+1];
+00231 <span class="keywordtype">int</span> <a class="code" href="a04223.html#a571">len</a> = read(fd, buffer, <span class="keyword">sizeof</span>(buffer)-1);
+00232 close(fd);
+00233
+00234 <span class="comment">// remove the \n and set \0</span>
+00235 <a class="code" href="a04223.html#a589">buffer</a>[<a class="code" href="a04223.html#a571">len</a>-1] = <span class="charliteral">'\0'</span>;
+00236
+00237 OSString = <a class="code" href="a04223.html#a589">buffer</a>;
+00238 }
+00239
+00240 <span class="preprocessor">#endif // NL_OS_UNIX</span>
+00241 <span class="preprocessor"></span>
+00242 <span class="keywordflow">return</span> OSString;
+00243 }
+</pre></div> </td>
+ </tr>
+</table>
+<a class="anchor" name="NLMISC_1_1CSystemInfoe2" doxytag="NLMISC::CSystemInfo::getProc" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> string NLMISC::CSystemInfo::getProc </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap><code> [static]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+
+<p>
+Definition at line <a class="el" href="a06479.html#l00374">374</a> of file <a class="el" href="a06479.html">system_info.cpp</a>.
+<p>
+References <a class="el" href="a05646.html#l01132">value</a>.
+<p>
+<div class="fragment"><pre>00375 {
+00376 string ProcString = <span class="stringliteral">"Unknown"</span>;
+00377
+00378 <span class="preprocessor">#ifdef NL_OS_WINDOWS</span>
+00379 <span class="preprocessor"></span>
+00380 LONG result;
+00381 <span class="keywordtype">char</span> <a class="code" href="a04223.html#a658">value</a>[1024];
+00382 DWORD valueSize;
+00383 HKEY hKey;
+00384
+00385 result = ::RegOpenKeyEx (HKEY_LOCAL_MACHINE, <span class="stringliteral">"Hardware\\Description\\System\\CentralProcessor\\0"</span>, 0, KEY_QUERY_VALUE, &amp;hKey);
+00386 <span class="keywordflow">if</span> (result == ERROR_SUCCESS)
+00387 {
+00388 <span class="comment">// get processor name</span>
+00389 valueSize = 1024;
+00390 result = ::RegQueryValueEx (hKey, _T(<span class="stringliteral">"ProcessorNameString"</span>), NULL, NULL, (LPBYTE)&amp;<a class="code" href="a04223.html#a658">value</a>, &amp;valueSize);
+00391 <span class="keywordflow">if</span> (result == ERROR_SUCCESS)
+00392 ProcString = <a class="code" href="a04223.html#a658">value</a>;
+00393 <span class="keywordflow">else</span>
+00394 ProcString = <span class="stringliteral">"UnknownProc"</span>;
+00395
+00396 ProcString += <span class="stringliteral">" / "</span>;
+00397
+00398 <span class="comment">// get processor identifier</span>
+00399 valueSize = 1024;
+00400 result = ::RegQueryValueEx (hKey, _T(<span class="stringliteral">"Identifier"</span>), NULL, NULL, (LPBYTE)&amp;<a class="code" href="a04223.html#a658">value</a>, &amp;valueSize);
+00401 <span class="keywordflow">if</span> (result == ERROR_SUCCESS)
+00402 ProcString += <a class="code" href="a04223.html#a658">value</a>;
+00403 <span class="keywordflow">else</span>
+00404 ProcString += <span class="stringliteral">"UnknownIdentifier"</span>;
+00405
+00406 ProcString += <span class="stringliteral">" / "</span>;
+00407
+00408 <span class="comment">// get processor vendor</span>
+00409 valueSize = 1024;
+00410 result = ::RegQueryValueEx (hKey, _T(<span class="stringliteral">"VendorIdentifier"</span>), NULL, NULL, (LPBYTE)&amp;<a class="code" href="a04223.html#a658">value</a>, &amp;valueSize);
+00411 <span class="keywordflow">if</span> (result == ERROR_SUCCESS)
+00412 ProcString += <a class="code" href="a04223.html#a658">value</a>;
+00413 <span class="keywordflow">else</span>
+00414 ProcString += <span class="stringliteral">"UnknownVendor"</span>;
+00415
+00416 ProcString += <span class="stringliteral">" / "</span>;
+00417
+00418 <span class="comment">// get processor frequence</span>
+00419 result = ::RegQueryValueEx (hKey, _T(<span class="stringliteral">"~MHz"</span>), NULL, NULL, (LPBYTE)&amp;<a class="code" href="a04223.html#a658">value</a>, &amp;valueSize);
+00420 <span class="keywordflow">if</span> (result == ERROR_SUCCESS)
+00421 {
+00422 ProcString += itoa (*(<span class="keywordtype">int</span> *)value, value, 10);
+00423 ProcString += <span class="stringliteral">"MHz"</span>;
+00424 }
+00425 <span class="keywordflow">else</span>
+00426 ProcString += <span class="stringliteral">"UnknownFreq"</span>;
+00427 }
+00428
+00429 <span class="comment">// Make sure to close the reg key</span>
+00430
+00431 RegCloseKey (hKey);
+00432
+00433 <span class="preprocessor">#elif defined NL_OS_UNIX</span>
+00434 <span class="preprocessor"></span>
+00435
+00436 <span class="preprocessor">#endif</span>
+00437 <span class="preprocessor"></span>
+00438 <span class="keywordflow">return</span> ProcString;
+00439 }
+</pre></div> </td>
+ </tr>
+</table>
+<a class="anchor" name="NLMISC_1_1CSystemInfoe3" doxytag="NLMISC::CSystemInfo::getProcessorFrequency" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> <a class="el" href="a04558.html#a13">uint64</a> NLMISC::CSystemInfo::getProcessorFrequency </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">bool&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> <em>quick</em> = false </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap><code> [static]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Gives an evalutation of the processor frequency, in hertz <dl compact><dt><b>Parameters:</b></dt><dd>
+ <table border="0" cellspacing="2" cellpadding="0">
+ <tr><td valign=top><em>quick</em>&nbsp;</td><td>true to do quick frequency evaluation </td></tr>
+ </table>
+</dl>
+<dl compact><dt><b>Warning:</b></dt><dd>Supports only intel architectures for now. Returns 0 if not implemented.</dd></dl>
+
+<p>
+Definition at line <a class="el" href="a06479.html#l00441">441</a> of file <a class="el" href="a06479.html">system_info.cpp</a>.
+<p>
+References <a class="el" href="a06552.html#l00105">NLMISC::CTime::getPerformanceTime()</a>, <a class="el" href="a05622.html#l00111">nlinfo</a>, <a class="el" href="a05586.html#l00073">NLMISC::nlSleep()</a>, <a class="el" href="a06553.html#l00048">NLMISC::TTicks</a>, <a class="el" href="a05981.html#l00105">uint</a>, and <a class="el" href="a05981.html#l00102">uint64</a>.
+<p>
+<div class="fragment"><pre>00442 {
+00443 <span class="keyword">static</span> <a class="code" href="a04558.html#a13">uint64</a> freq = 0;
+00444 <span class="preprocessor">#ifdef NL_CPU_INTEL</span>
+00445 <span class="preprocessor"></span> <span class="keyword">static</span> <span class="keywordtype">bool</span> freqComputed = <span class="keyword">false</span>;
+00446 <span class="keywordflow">if</span> (freqComputed) <span class="keywordflow">return</span> freq;
+00447
+00448 <span class="keywordflow">if</span> (!quick)
+00449 {
+00450 <a class="code" href="a05378.html#a243">TTicks</a> bestNumTicks = 0;
+00451 <a class="code" href="a04558.html#a13">uint64</a> bestNumCycles;
+00452 <a class="code" href="a04558.html#a13">uint64</a> numCycles;
+00453 <span class="keyword">const</span> <a class="code" href="a04558.html#a15">uint</a> numSamples = 5;
+00454 <span class="keyword">const</span> <a class="code" href="a04558.html#a15">uint</a> numLoops = 50000000;
+00455
+00456 <span class="keyword">volatile</span> <a class="code" href="a04558.html#a15">uint</a> k; <span class="comment">// prevent optimisation for the loop</span>
+00457 <span class="keywordflow">for</span>(<a class="code" href="a04558.html#a15">uint</a> <a class="code" href="a05373.html#a2">l</a> = 0; <a class="code" href="a05373.html#a2">l</a> &lt; numSamples; ++<a class="code" href="a05373.html#a2">l</a>)
+00458 {
+00459 <a class="code" href="a05378.html#a243">TTicks</a> startTick = <a class="code" href="a02142.html#NLMISC_1_1CTimee1">NLMISC::CTime::getPerformanceTime</a>();
+00460 <a class="code" href="a04558.html#a13">uint64</a> startCycle = rdtsc();
+00461 <span class="keyword">volatile</span> <a class="code" href="a04558.html#a15">uint</a> dummy = 0;
+00462 <span class="keywordflow">for</span>(k = 0; k &lt; numLoops; ++k)
+00463 {
+00464 ++ dummy;
+00465 }
+00466 numCycles = rdtsc() - startCycle;
+00467 <a class="code" href="a05378.html#a243">TTicks</a> numTicks = <a class="code" href="a02142.html#NLMISC_1_1CTimee1">NLMISC::CTime::getPerformanceTime</a>() - startTick;
+00468 <span class="keywordflow">if</span> (numTicks &gt; bestNumTicks)
+00469 {
+00470 bestNumTicks = numTicks;
+00471 bestNumCycles = numCycles;
+00472 }
+00473 }
+00474 freq = (<a class="code" href="a04558.html#a13">uint64</a>) ((<span class="keywordtype">double</span>) bestNumCycles * 1 / CTime::ticksToSecond(bestNumTicks));
+00475 }
+00476 <span class="keywordflow">else</span>
+00477 {
+00478 <a class="code" href="a05378.html#a243">TTicks</a> timeBefore = <a class="code" href="a02142.html#NLMISC_1_1CTimee1">NLMISC::CTime::getPerformanceTime</a>();
+00479 <a class="code" href="a04558.html#a13">uint64</a> tickBefore = rdtsc();
+00480 <a class="code" href="a05378.html#a256">nlSleep</a> (100);
+00481 <a class="code" href="a05378.html#a243">TTicks</a> timeAfter = <a class="code" href="a02142.html#NLMISC_1_1CTimee1">NLMISC::CTime::getPerformanceTime</a>();
+00482 <a class="code" href="a05378.html#a243">TTicks</a> tickAfter = rdtsc();
+00483
+00484 <span class="keywordtype">double</span> timeDelta = CTime::ticksToSecond(timeAfter - timeBefore);
+00485 <a class="code" href="a05378.html#a243">TTicks</a> tickDelta = tickAfter - tickBefore;
+00486
+00487 freq = (<a class="code" href="a04558.html#a13">uint64</a>) ((<span class="keywordtype">double</span>)tickDelta / timeDelta);
+00488 }
+00489
+00490 <a class="code" href="a04199.html#a1">nlinfo</a> (<span class="stringliteral">"SI: CSystemInfo: Processor frequency is %.0f MHz"</span>, (<span class="keywordtype">float</span>)freq/1000000.0);
+00491 freqComputed = <span class="keyword">true</span>;
+00492 <span class="preprocessor">#endif // NL_CPU_INTEL</span>
+00493 <span class="preprocessor"></span> <span class="keywordflow">return</span> freq;
+00494 }
+</pre></div> </td>
+ </tr>
+</table>
+<a class="anchor" name="NLMISC_1_1CSystemInfoe4" doxytag="NLMISC::CSystemInfo::hasCPUID" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> bool NLMISC::CSystemInfo::hasCPUID </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap><code> [static]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+test wether the cpuid instruction is supported (always false on non intel architectures)
+<p>
+Definition at line <a class="el" href="a06479.html#l00570">570</a> of file <a class="el" href="a06479.html">system_info.cpp</a>.
+<p>
+References <a class="el" href="a05981.html#l00100">uint32</a>.
+<p>
+<div class="fragment"><pre>00571 {
+00572 <span class="preprocessor"> #ifdef NL_OS_WINDOWS</span>
+00573 <span class="preprocessor"></span> <a class="code" href="a04558.html#a11">uint32</a> result;
+00574 __asm
+00575 {
+00576 pushad
+00577 pushfd
+00578 <span class="comment">// If ID bit of EFLAGS can change, then cpuid is available</span>
+00579 pushfd
+00580 pop eax <span class="comment">// Get EFLAG</span>
+00581 mov ecx,eax
+00582 xor eax,0x200000 <span class="comment">// Flip ID bit</span>
+00583 push eax
+00584 popfd <span class="comment">// Write EFLAGS</span>
+00585 pushfd
+00586 pop eax <span class="comment">// read back EFLAG</span>
+00587 xor eax,ecx
+00588 je noCpuid <span class="comment">// no flip -&gt; no CPUID instr.</span>
+00589
+00590 popfd <span class="comment">// restore state</span>
+00591 popad
+00592 mov result, 1
+00593 jmp CPUIDPresent
+00594
+00595 noCpuid:
+00596 popfd <span class="comment">// restore state</span>
+00597 popad
+00598 mov result, 0
+00599 CPUIDPresent:
+00600 }
+00601 <span class="keywordflow">return</span> result == 1;
+00602 <span class="preprocessor"> #else</span>
+00603 <span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="keyword">false</span>;
+00604 <span class="preprocessor"> #endif</span>
+00605 <span class="preprocessor"></span>}
+</pre></div> </td>
+ </tr>
+</table>
+<a class="anchor" name="NLMISC_1_1CSystemInfoe5" doxytag="NLMISC::CSystemInfo::hasMMX" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> bool NLMISC::CSystemInfo::hasMMX </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">void&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap><code> [inline, static]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+helps to know wether the processor features mmx instruction set This is initialized at started, so its fast (always false on non 0x86 architecture ...)
+<p>
+Definition at line <a class="el" href="a06480.html#l00064">64</a> of file <a class="el" href="a06480.html">system_info.h</a>.
+<p>
+References <a class="el" href="a06479.html#l00567">_HaveMMX</a>.
+<p>
+Referenced by <a class="el" href="a06221.html#l00034">NL3D::computeGradient()</a>, and <a class="el" href="a06519.html#l00465">NL3D::CTextureFar::rebuildPatch()</a>.
+<p>
+<div class="fragment"><pre>00064 {<span class="keywordflow">return</span> <a class="code" href="a03467.html#NLMISC_1_1CSystemInfov0">_HaveMMX</a>;}
+</pre></div> </td>
+ </tr>
+</table>
+<a class="anchor" name="NLMISC_1_1CSystemInfoe6" doxytag="NLMISC::CSystemInfo::hasSSE" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> bool NLMISC::CSystemInfo::hasSSE </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">void&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap><code> [inline, static]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+helps to know wether the processor has streaming SIMD instructions (the OS must supports it) This is initialized at started, so its fast (always false on non 0x86 architecture ...)
+<p>
+Definition at line <a class="el" href="a06480.html#l00070">70</a> of file <a class="el" href="a06480.html">system_info.h</a>.
+<p>
+References <a class="el" href="a06479.html#l00568">_HaveSSE</a>.
+<p>
+<div class="fragment"><pre>00070 {<span class="keywordflow">return</span> <a class="code" href="a03467.html#NLMISC_1_1CSystemInfov1">_HaveSSE</a>;}
+</pre></div> </td>
+ </tr>
+</table>
+<a class="anchor" name="NLMISC_1_1CSystemInfoe7" doxytag="NLMISC::CSystemInfo::isNT" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> bool NLMISC::CSystemInfo::isNT </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap><code> [static]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+
+<p>
+Definition at line <a class="el" href="a06479.html#l00608">608</a> of file <a class="el" href="a06479.html">system_info.cpp</a>.
+<p>
+<div class="fragment"><pre>00609 {
+00610 <span class="preprocessor">#ifdef NL_OS_WINDOWS</span>
+00611 <span class="preprocessor"></span> OSVERSIONINFO ver;
+00612 ver.dwOSVersionInfoSize = <span class="keyword">sizeof</span>(OSVERSIONINFO);
+00613 GetVersionEx(&amp;ver);
+00614 <span class="keywordflow">return</span> ver.dwPlatformId == VER_PLATFORM_WIN32_NT;
+00615 <span class="preprocessor">#else</span>
+00616 <span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="keyword">false</span>;
+00617 <span class="preprocessor">#endif</span>
+00618 <span class="preprocessor"></span>}
+</pre></div> </td>
+ </tr>
+</table>
+<a class="anchor" name="NLMISC_1_1CSystemInfoe8" doxytag="NLMISC::CSystemInfo::totalPhysicalMemory" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> <a class="el" href="a04558.html#a11">uint32</a> NLMISC::CSystemInfo::totalPhysicalMemory </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap><code> [static]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+returns all the physical memory on this computer
+<p>
+Definition at line <a class="el" href="a06479.html#l00688">688</a> of file <a class="el" href="a06479.html">system_info.cpp</a>.
+<p>
+References <a class="el" href="a05981.html#l00100">uint32</a>.
+<p>
+<div class="fragment"><pre>00689 {
+00690 <span class="preprocessor">#ifdef NL_OS_WINDOWS</span>
+00691 <span class="preprocessor"></span>
+00692 MEMORYSTATUS ms;
+00693 GlobalMemoryStatus (&amp;ms);
+00694 <span class="keywordflow">return</span> ms.dwTotalPhys;
+00695
+00696 <span class="preprocessor">#elif defined NL_OS_UNIX</span>
+00697 <span class="preprocessor"></span>
+00698 <span class="keywordflow">return</span> getSystemMemory (0);
+00699
+00700 <span class="preprocessor">#endif</span>
+00701 <span class="preprocessor"></span>
+00702 <span class="keywordflow">return</span> 0;
+00703 }
+</pre></div> </td>
+ </tr>
+</table>
+<hr><h2>Field Documentation</h2>
+<a class="anchor" name="NLMISC_1_1CSystemInfov0" doxytag="NLMISC::CSystemInfo::_HaveMMX" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> bool <a class="el" href="a03467.html#NLMISC_1_1CSystemInfov0">NLMISC::CSystemInfo::_HaveMMX</a> = DetectMMX ()<code> [static, private]</code>
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+
+<p>
+Definition at line <a class="el" href="a06479.html#l00567">567</a> of file <a class="el" href="a06479.html">system_info.cpp</a>.
+<p>
+Referenced by <a class="el" href="a06480.html#l00064">hasMMX()</a>. </td>
+ </tr>
+</table>
+<a class="anchor" name="NLMISC_1_1CSystemInfov1" doxytag="NLMISC::CSystemInfo::_HaveSSE" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> bool <a class="el" href="a03467.html#NLMISC_1_1CSystemInfov1">NLMISC::CSystemInfo::_HaveSSE</a> = DetectSSE ()<code> [static, private]</code>
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+
+<p>
+Definition at line <a class="el" href="a06479.html#l00568">568</a> of file <a class="el" href="a06479.html">system_info.cpp</a>.
+<p>
+Referenced by <a class="el" href="a06480.html#l00070">hasSSE()</a>. </td>
+ </tr>
+</table>
+<hr>The documentation for this class was generated from the following files:<ul>
+<li><a class="el" href="a06480.html">system_info.h</a><li><a class="el" href="a06479.html">system_info.cpp</a></ul>
+<hr size="1"><address style="align: right;"><small>Generated on Tue Mar 16 13:37:04 2004 for NeL by
+<a href="http://www.doxygen.org/index.html">
+<img src="doxygen.png" alt="doxygen" align="middle" border=0 >
+</a>1.3.6 </small></address>
+</body>
+</html>