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<hr><h1>system_info.cpp</h1><a href="system__info_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025
00026 <font class="preprocessor">#include "<a class="code" href="stdmisc_8h.html">stdmisc.h</a>"</font>
00027
00028 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00029 <font class="preprocessor"></font><font class="preprocessor">#include <windows.h></font>
00030 <font class="preprocessor">#include <tchar.h></font>
00031 <font class="preprocessor">#else</font>
00032 <font class="preprocessor"></font><font class="preprocessor">#include <sys/types.h></font>
00033 <font class="preprocessor">#include <sys/stat.h></font>
00034 <font class="preprocessor">#include <fcntl.h></font>
00035 <font class="preprocessor">#include <<a class="code" href="unistd_8h.html">unistd.h</a>></font>
00036 <font class="preprocessor">#endif</font>
00037 <font class="preprocessor"></font>
00038 <font class="preprocessor">#include "<a class="code" href="system__info_8h.html">nel/misc/system_info.h</a>"</font>
00039 <font class="preprocessor">#include "<a class="code" href="command_8h.html">nel/misc/command.h</a>"</font>
00040 <font class="preprocessor">#include "<a class="code" href="include_2nel_2misc_2heap__allocator_8h.html">nel/misc/heap_allocator.h</a>"</font>
00041
00042 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00043
00044 <font class="keyword">namespace </font>NLMISC {
00045
<a name="l00046"></a><a class="code" href="classNLMISC_1_1CSystemInfo.html#d0">00046</a> string CSystemInfo::getOS ()
00047 {
00048 string OSString = <font class="stringliteral">"Unknown"</font>;
00049 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00050 <font class="preprocessor"></font> <font class="keywordtype">char</font> ver[1024];
00051
00052 OSVERSIONINFOEX osvi;
00053 BOOL bOsVersionInfoEx;
00054
00055 <font class="comment">// Try calling GetVersionEx using the OSVERSIONINFOEX structure,</font>
00056 <font class="comment">// which is supported on Windows 2000.</font>
00057 <font class="comment">//</font>
00058 <font class="comment">// If that fails, try using the OSVERSIONINFO structure.</font>
00059
00060 ZeroMemory(&osvi, <font class="keyword">sizeof</font>(OSVERSIONINFOEX));
00061 osvi.dwOSVersionInfoSize = <font class="keyword">sizeof</font>(OSVERSIONINFOEX);
00062
00063 <font class="keywordflow">if</font>( !(bOsVersionInfoEx = GetVersionEx ((OSVERSIONINFO *) &osvi)) )
00064 {
00065 <font class="comment">// If OSVERSIONINFOEX doesn't work, try OSVERSIONINFO.</font>
00066 osvi.dwOSVersionInfoSize = <font class="keyword">sizeof</font> (OSVERSIONINFO);
00067 <font class="keywordflow">if</font> (! GetVersionEx ( (OSVERSIONINFO *) &osvi) )
00068 <font class="keywordflow">return</font> <font class="stringliteral">"Windows Unknown"</font>;
00069 }
00070
00071 <font class="keywordflow">switch</font> (osvi.dwPlatformId)
00072 {
00073 <font class="keywordflow">case</font> VER_PLATFORM_WIN32_NT:
00074 <font class="comment">// Test for the product.</font>
00075
00076 <font class="keywordflow">if</font> ( osvi.dwMajorVersion <= 4 )
00077 OSString = <font class="stringliteral">"Microsoft Windows NT "</font>;
00078
00079 <font class="keywordflow">if</font> ( osvi.dwMajorVersion == 5 )
00080 OSString = <font class="stringliteral">"Microsoft Windows 2000 "</font>;
00081
00082 <font class="comment">// Test for workstation versus server.</font>
00083 <font class="comment">/* can't access to product type</font>
00084 <font class="comment"> if( bOsVersionInfoEx )</font>
00085 <font class="comment"> {</font>
00086 <font class="comment"> if ( osvi.wProductType == VER_NT_WORKSTATION )</font>
00087 <font class="comment"> OSString += "Professional ";</font>
00088 <font class="comment"></font>
00089 <font class="comment"> if ( osvi.wProductType == VER_NT_SERVER )</font>
00090 <font class="comment"> OSString += "Server ";</font>
00091 <font class="comment"> }</font>
00092 <font class="comment"> else</font>
00093 <font class="comment">*/</font> {
00094 HKEY hKey;
00095 <font class="keywordtype">char</font> szProductType[80];
00096 DWORD dwBufLen;
00097
00098 RegOpenKeyEx( HKEY_LOCAL_MACHINE, <font class="stringliteral">"SYSTEM\\CurrentControlSet\\Control\\ProductOptions"</font>, 0, KEY_QUERY_VALUE, &hKey );
00099 RegQueryValueEx( hKey, <font class="stringliteral">"ProductType"</font>, NULL, NULL, (LPBYTE) szProductType, &dwBufLen);
00100 RegCloseKey( hKey );
00101 <font class="keywordflow">if</font> ( lstrcmpi( <font class="stringliteral">"WINNT"</font>, szProductType) == 0 )
00102 OSString += <font class="stringliteral">"Workstation "</font>;
00103 <font class="keywordflow">if</font> ( lstrcmpi( <font class="stringliteral">"SERVERNT"</font>, szProductType) == 0 )
00104 OSString += <font class="stringliteral">"Server "</font>;
00105 }
00106
00107 <font class="comment">// Display version, service pack (if any), and build number.</font>
00108 <a class="code" href="namespaceNLMISC.html#a211">smprintf</a>(ver, 1024, <font class="stringliteral">"version %d.%d '%s' (Build %d)"</font>, osvi.dwMajorVersion, osvi.dwMinorVersion, osvi.szCSDVersion, osvi.dwBuildNumber & 0xFFFF);
00109 OSString += ver;
00110 <font class="keywordflow">break</font>;
00111
00112 <font class="keywordflow">case</font> VER_PLATFORM_WIN32_WINDOWS:
00113
00114 <font class="keywordflow">if</font>(osvi.dwMinorVersion == 0)
00115 OSString = <font class="stringliteral">"Microsoft Windows 95 "</font>;
00116 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (osvi.dwMinorVersion == 10)
00117 OSString = <font class="stringliteral">"Microsoft Windows 98 "</font>;
00118 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (osvi.dwMinorVersion == 90)
00119 OSString = <font class="stringliteral">"Microsoft Windows Millenium "</font>;
00120 <font class="comment">/* microsoft way</font>
00121 <font class="comment"> if ((osvi.dwMajorVersion > 4) || (osvi.dwMajorVersion == 4) && (osvi.dwMinorVersion > 0)))</font>
00122 <font class="comment"> OSString += "Microsoft Windows 98 ";</font>
00123 <font class="comment"> else</font>
00124 <font class="comment"> OSString += "Microsoft Windows 95 ";</font>
00125 <font class="comment">*/</font>
00126 <font class="comment">// Display version, service pack (if any), and build number.</font>
00127 <a class="code" href="namespaceNLMISC.html#a211">smprintf</a>(ver, 1024, <font class="stringliteral">"version %d.%d %s (Build %d)"</font>, osvi.dwMajorVersion, osvi.dwMinorVersion, osvi.szCSDVersion, osvi.dwBuildNumber & 0xFFFF);
00128 OSString += ver;
00129 <font class="keywordflow">break</font>;
00130
00131 <font class="keywordflow">case</font> VER_PLATFORM_WIN32s:
00132 OSString = <font class="stringliteral">"Microsoft Win32s"</font>;
00133 <font class="keywordflow">break</font>;
00134 }
00135
00136 <font class="preprocessor">#elif defined NL_OS_UNIX</font>
00137 <font class="preprocessor"></font>
00138 OSString = <font class="stringliteral">"Unix"</font>;
00139
00140 <font class="preprocessor">#endif // NL_OS_UNIX</font>
00141 <font class="preprocessor"></font>
00142 <font class="keywordflow">return</font> OSString;
00143 }
00144
<a name="l00145"></a><a class="code" href="classNLMISC_1_1CSystemInfo.html#d1">00145</a> string CSystemInfo::getProc ()
00146 {
00147 string ProcString = <font class="stringliteral">"Unknown"</font>;
00148
00149 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00150 <font class="preprocessor"></font>
00151 LONG result;
00152 <font class="keywordtype">char</font> <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>[1024];
00153 DWORD valueSize;
00154 HKEY hKey;
00155
00156 result = ::RegOpenKeyEx (HKEY_LOCAL_MACHINE, <font class="stringliteral">"Hardware\\Description\\System\\CentralProcessor\\0"</font>, 0, KEY_QUERY_VALUE, &hKey);
00157 <font class="keywordflow">if</font> (result == ERROR_SUCCESS)
00158 {
00159 <font class="comment">// get processor name</font>
00160 valueSize = 1024;
00161 result = ::RegQueryValueEx (hKey, _T(<font class="stringliteral">"ProcessorNameString"</font>), NULL, NULL, (LPBYTE)&<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>, &valueSize);
00162 <font class="keywordflow">if</font> (result == ERROR_SUCCESS)
00163 ProcString = <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>;
00164 <font class="keywordflow">else</font>
00165 ProcString = <font class="stringliteral">"UnknownProc"</font>;
00166
00167 ProcString += <font class="stringliteral">" / "</font>;
00168
00169 <font class="comment">// get processor identifier</font>
00170 valueSize = 1024;
00171 result = ::RegQueryValueEx (hKey, _T(<font class="stringliteral">"Identifier"</font>), NULL, NULL, (LPBYTE)&<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>, &valueSize);
00172 <font class="keywordflow">if</font> (result == ERROR_SUCCESS)
00173 ProcString += <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>;
00174 <font class="keywordflow">else</font>
00175 ProcString += <font class="stringliteral">"UnknownIdentifier"</font>;
00176
00177 ProcString += <font class="stringliteral">" / "</font>;
00178
00179 <font class="comment">// get processor vendor</font>
00180 valueSize = 1024;
00181 result = ::RegQueryValueEx (hKey, _T(<font class="stringliteral">"VendorIdentifier"</font>), NULL, NULL, (LPBYTE)&<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>, &valueSize);
00182 <font class="keywordflow">if</font> (result == ERROR_SUCCESS)
00183 ProcString += <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>;
00184 <font class="keywordflow">else</font>
00185 ProcString += <font class="stringliteral">"UnknownVendor"</font>;
00186
00187 ProcString += <font class="stringliteral">" / "</font>;
00188
00189 <font class="comment">// get processor frequence</font>
00190 result = ::RegQueryValueEx (hKey, _T(<font class="stringliteral">"~MHz"</font>), NULL, NULL, (LPBYTE)&<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>, &valueSize);
00191 <font class="keywordflow">if</font> (result == ERROR_SUCCESS)
00192 {
00193 ProcString += itoa (*(<font class="keywordtype">int</font> *)<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>, 10);
00194 ProcString += <font class="stringliteral">"MHz"</font>;
00195 }
00196 <font class="keywordflow">else</font>
00197 ProcString += <font class="stringliteral">"UnknownFreq"</font>;
00198 }
00199
00200 <font class="comment">// Make sure to close the reg key</font>
00201
00202 RegCloseKey (hKey);
00203
00204 <font class="preprocessor">#elif defined NL_OS_UNIX</font>
00205 <font class="preprocessor"></font>
00206
00207 <font class="preprocessor">#endif</font>
00208 <font class="preprocessor"></font>
00209 <font class="keywordflow">return</font> ProcString;
00210 }
00211
<a name="l00212"></a><a class="code" href="classNLMISC_1_1CSystemInfo.html#d2">00212</a> string CSystemInfo::getMem ()
00213 {
00214 string MemString = <font class="stringliteral">"Unknown"</font>;
00215
00216 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00217 <font class="preprocessor"></font>
00218 MEMORYSTATUS ms;
00219
00220 GlobalMemoryStatus (&ms);
00221
00222 sint extt = 0, extf = 0;
00223 <font class="keywordtype">char</font> *ext2str[] = { <font class="stringliteral">"b"</font>, <font class="stringliteral">"Kb"</font>, <font class="stringliteral">"Mb"</font>, <font class="stringliteral">"Gb"</font>, <font class="stringliteral">"Tb"</font> };
00224
00225 <font class="keywordflow">while</font> (ms.dwTotalPhys > 1024)
00226 {
00227 ms.dwTotalPhys /= 1024;
00228 extt++;
00229 }
00230
00231 <font class="keywordflow">while</font> (ms.dwAvailPhys > 1024)
00232 {
00233 ms.dwAvailPhys /= 1024;
00234 extf++;
00235 }
00236
00237 <font class="keywordtype">char</font> mem[1024];
00238 <a class="code" href="namespaceNLMISC.html#a211">smprintf</a> (mem, 1024, <font class="stringliteral">"physical memory: total: %d %s free: %d %s"</font>, ms.dwTotalPhys+1, ext2str[extt], ms.dwAvailPhys+1, ext2str[extf]);
00239 MemString = mem;
00240
00241 <font class="preprocessor">#elif defined NL_OS_UNIX</font>
00242 <font class="preprocessor"></font>
00243
00244 <font class="preprocessor">#endif</font>
00245 <font class="preprocessor"></font>
00246 <font class="keywordflow">return</font> MemString;
00247 }
00248
00249
00250 <font class="keyword">static</font> <font class="keywordtype">bool</font> <a class="code" href="namespaceNLMISC.html#a291">DetectMMX</a>()
00251 {
00252 <font class="preprocessor"> #ifdef NL_OS_WINDOWS </font>
00253 <font class="preprocessor"></font> <font class="keywordflow">if</font> (!CSystemInfo::hasCPUID()) <font class="keywordflow">return</font> <font class="keyword">false</font>; <font class="comment">// cpuid not supported ...</font>
00254
00255 uint32 result = 0;
00256 __asm
00257 {
00258 mov eax,1
00259 cpuid
00260 test edx,0x800000 <font class="comment">// bit 23 = MMX instruction set</font>
00261 je noMMX
00262 mov result, 1
00263 noMMX:
00264 }
00265
00266 <font class="keywordflow">return</font> result == 1;
00267
00268 <font class="comment">// printf("mmx detected\n");</font>
00269
00270 <font class="preprocessor"> #else</font>
00271 <font class="preprocessor"></font> <font class="keywordflow">return</font> <font class="keyword">false</font>;
00272 <font class="preprocessor"> #endif</font>
00273 <font class="preprocessor"></font>}
00274
00275
00276 <font class="keyword">static</font> <font class="keywordtype">bool</font> <a class="code" href="namespaceNLMISC.html#a292">DetectSSE</a>()
00277 {
00278 <font class="preprocessor"> #ifdef NL_OS_WINDOWS</font>
00279 <font class="preprocessor"></font> <font class="keywordflow">if</font> (!CSystemInfo::hasCPUID()) <font class="keywordflow">return</font> <font class="keyword">false</font>; <font class="comment">// cpuid not supported ...</font>
00280
00281 uint32 result = 0;
00282 __asm
00283 {
00284 mov eax, 1 <font class="comment">// request for feature flags</font>
00285 cpuid
00286 test EDX, 002000000h <font class="comment">// bit 25 in feature flags equal to 1</font>
00287 je noSSE
00288 mov result, 1 <font class="comment">// sse detected</font>
00289 noSSE:
00290 }
00291
00292
00293 <font class="keywordflow">if</font> (result)
00294 {
00295 <font class="comment">// check OS support for SSE</font>
00296 <font class="keywordflow">try</font>
00297 {
00298 __asm
00299 {
00300 xorps xmm0, xmm0 <font class="comment">// Streaming SIMD Extension</font>
00301 }
00302 }
00303 <font class="keywordflow">catch</font>(...)
00304 {
00305 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00306 }
00307
00308 <font class="comment">// printf("sse detected\n");</font>
00309
00310 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00311 }
00312 <font class="keywordflow">else</font>
00313 {
00314 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00315 }
00316 <font class="preprocessor"> #else</font>
00317 <font class="preprocessor"></font> <font class="keywordflow">return</font> <font class="keyword">false</font>;
00318 <font class="preprocessor"> #endif</font>
00319 <font class="preprocessor"></font>}
00320
00321 <font class="keyword">static</font> <font class="keywordtype">bool</font> <a class="code" href="namespaceNLMISC.html#a203">HaveMMX</a> = <a class="code" href="namespaceNLMISC.html#a291">DetectMMX</a> ();
00322 <font class="keyword">static</font> <font class="keywordtype">bool</font> <a class="code" href="namespaceNLMISC.html#a204">HaveSSE</a> = <a class="code" href="namespaceNLMISC.html#a292">DetectSSE</a> ();
00323
<a name="l00324"></a><a class="code" href="classNLMISC_1_1CSystemInfo.html#d3">00324</a> <font class="keywordtype">bool</font> CSystemInfo::hasCPUID ()
00325 {
00326 <font class="preprocessor"> #ifdef NL_OS_WINDOWS</font>
00327 <font class="preprocessor"></font> uint32 result;
00328 __asm
00329 {
00330 pushad
00331 pushfd
00332 <font class="comment">// If ID bit of EFLAGS can change, then cpuid is available</font>
00333 pushfd
00334 pop eax <font class="comment">// Get EFLAG</font>
00335 mov ecx,eax
00336 xor eax,0x200000 <font class="comment">// Flip ID bit</font>
00337 push eax
00338 popfd <font class="comment">// Write EFLAGS</font>
00339 pushfd
00340 pop eax <font class="comment">// read back EFLAG</font>
00341 xor eax,ecx
00342 je noCpuid <font class="comment">// no flip -> no CPUID instr.</font>
00343
00344 popfd <font class="comment">// restore state</font>
00345 popad
00346 mov result, 1
00347 jmp CPUIDPresent
00348
00349 noCpuid:
00350 popfd <font class="comment">// restore state</font>
00351 popad
00352 mov result, 0
00353 CPUIDPresent:
00354 }
00355 <font class="keywordflow">return</font> result == 1;
00356 <font class="preprocessor"> #else</font>
00357 <font class="preprocessor"></font> <font class="keywordflow">return</font> <font class="keyword">false</font>;
00358 <font class="preprocessor"> #endif</font>
00359 <font class="preprocessor"></font>}
<a name="l00360"></a><a class="code" href="classNLMISC_1_1CSystemInfo.html#d4">00360</a> <font class="keywordtype">bool</font> CSystemInfo::hasMMX () { <font class="keywordflow">return</font> <a class="code" href="namespaceNLMISC.html#a203">HaveMMX</a>; }
<a name="l00361"></a><a class="code" href="classNLMISC_1_1CSystemInfo.html#d5">00361</a> <font class="keywordtype">bool</font> CSystemInfo::hasSSE () { <font class="keywordflow">return</font> <a class="code" href="namespaceNLMISC.html#a204">HaveSSE</a>; }
00362
00363
<a name="l00364"></a><a class="code" href="classNLMISC_1_1CSystemInfo.html#d6">00364</a> <font class="keywordtype">bool</font> CSystemInfo::isNT()
00365 {
00366 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00367 <font class="preprocessor"></font> OSVERSIONINFO ver;
00368 ver.dwOSVersionInfoSize = <font class="keyword">sizeof</font>(OSVERSIONINFO);
00369 GetVersionEx(&ver);
00370 <font class="keywordflow">return</font> ver.dwPlatformId == VER_PLATFORM_WIN32_NT;
00371 <font class="preprocessor">#else</font>
00372 <font class="preprocessor"></font> <font class="keywordflow">return</font> <font class="keyword">false</font>;
00373 <font class="preprocessor">#endif</font>
00374 <font class="preprocessor"></font>}
00375
00376
00377 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00378 <font class="preprocessor"></font>
00379 <font class="keyword">static</font> <font class="keyword">inline</font> <font class="keywordtype">char</font> *<a class="code" href="namespaceNLMISC.html#a298">skipWS</a>(<font class="keyword">const</font> <font class="keywordtype">char</font> *p)
00380 {
00381 <font class="keywordflow">while</font> (isspace(*p)) p++;
00382 <font class="keywordflow">return</font> (<font class="keywordtype">char</font> *)p;
00383 }
00384
00385 <font class="keyword">static</font> <font class="keyword">inline</font> <font class="keywordtype">char</font> *<a class="code" href="namespaceNLMISC.html#a299">skipToken</a>(<font class="keyword">const</font> <font class="keywordtype">char</font> *p)
00386 {
00387 <font class="keywordflow">while</font> (isspace(*p)) p++;
00388 <font class="keywordflow">while</font> (*p && !isspace(*p)) p++;
00389 <font class="keywordflow">return</font> (<font class="keywordtype">char</font> *)p;
00390 }
00391
00392 <font class="comment">// col: 0=total used free shared buffers cached</font>
00393 uint32 getSystemMemory (uint col)
00394 {
00395 <font class="keywordflow">if</font> (col > 5)
00396 <font class="keywordflow">return</font> 0;
00397
00398 <font class="keywordtype">char</font> buffer[4096+1];
00399 <font class="keywordtype">int</font> fd, len;
00400 <font class="keywordtype">char</font> *p;
00401
00402 <font class="comment">/* get system wide memory usage */</font>
00403 {
00404 <font class="keywordtype">char</font> *p;
00405
00406 fd = open(<font class="stringliteral">"/proc/meminfo"</font>, O_RDONLY);
00407 len = read(fd, buffer, <font class="keyword">sizeof</font>(buffer)-1);
00408 close(fd);
00409 buffer[len] = <font class="charliteral">'\0'</font>;
00410
00411 <font class="comment">/* be prepared for extra columns to appear be seeking</font>
00412 <font class="comment"> to ends of lines */</font>
00413 p = strchr(buffer, <font class="charliteral">'\n'</font>);
00414 p = <a class="code" href="namespaceNLMISC.html#a299">skipToken</a>(p); <font class="comment">/* "Mem:" */</font>
00415 <font class="keywordflow">for</font> (uint i = 0; i < col; i++)
00416 {
00417 p = <a class="code" href="namespaceNLMISC.html#a299">skipToken</a>(p);
00418 }
00419 <font class="keywordflow">return</font> strtoul(p, &p, 10);
00420 }
00421 }
00422
00423 <font class="preprocessor">#endif // NL_OS_UNIX</font>
00424 <font class="preprocessor"></font>
00425
00426
00427
<a name="l00428"></a><a class="code" href="classNLMISC_1_1CSystemInfo.html#d7">00428</a> uint32 CSystemInfo::availablePhysicalMemory ()
00429 {
00430 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00431 <font class="preprocessor"></font>
00432 MEMORYSTATUS ms;
00433 GlobalMemoryStatus (&ms);
00434 <font class="keywordflow">return</font> ms.dwAvailPhys;
00435
00436 <font class="preprocessor">#elif defined NL_OS_UNIX</font>
00437 <font class="preprocessor"></font>
00438 <font class="keywordflow">return</font> getSystemMemory (2);
00439
00440 <font class="preprocessor">#endif</font>
00441 <font class="preprocessor"></font>
00442 <font class="keywordflow">return</font> 0;
00443 }
00444
<a name="l00445"></a><a class="code" href="classNLMISC_1_1CSystemInfo.html#d8">00445</a> uint32 CSystemInfo::totalPhysicalMemory ()
00446 {
00447 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00448 <font class="preprocessor"></font>
00449 MEMORYSTATUS ms;
00450 GlobalMemoryStatus (&ms);
00451 <font class="keywordflow">return</font> ms.dwTotalPhys;
00452
00453 <font class="preprocessor">#elif defined NL_OS_UNIX</font>
00454 <font class="preprocessor"></font>
00455 <font class="keywordflow">return</font> getSystemMemory (0);
00456
00457 <font class="preprocessor">#endif</font>
00458 <font class="preprocessor"></font>
00459 <font class="keywordflow">return</font> 0;
00460 }
00461
00462
00463 <a class="code" href="namespaceNLMISC.html#a314">NLMISC_DYNVARIABLE</a>(uint32, AvailablePhysicalMemory, <font class="stringliteral">"Physical memory available on this computer in bytes"</font>)
00464 {
00465 <font class="keywordflow">if</font> (get) *<a class="code" href="driver__opengl__extension__def_8h.html#a362">pointer</a> = CSystemInfo::availablePhysicalMemory ();
00466 }
00467
00468 <a class="code" href="namespaceNLMISC.html#a314">NLMISC_DYNVARIABLE</a>(uint32, TotalPhysicalMemory, <font class="stringliteral">"Total physical memory on this computer in bytes"</font>)
00469 {
00470 <font class="keywordflow">if</font> (get) *<a class="code" href="driver__opengl__extension__def_8h.html#a362">pointer</a> = CSystemInfo::totalPhysicalMemory ();
00471 }
00472
00473 <a class="code" href="namespaceNLMISC.html#a314">NLMISC_DYNVARIABLE</a>(uint32, ProcessUsedMemory, <font class="stringliteral">"Memory used by this process in bytes"</font>)
00474 {
00475 <font class="keywordflow">if</font> (get) *<a class="code" href="driver__opengl__extension__def_8h.html#a362">pointer</a> = CHeapAllocator::getAllocatedSystemMemory ();
00476 }
00477
00478
00479 } <font class="comment">// NLMISC</font>
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