1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
|
<!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>
<link href="doxygen.css" rel="stylesheet" type="text/css">
</head><body>
<!-- Generated by Doxygen 1.3.6 -->
<div class="qindex"> <form class="search" action="search.php" method="get">
<a class="qindex" href="main.html">Main Page</a> | <a class="qindex" href="namespaces.html">Namespace List</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="classes.html">Alphabetical List</a> | <a class="qindex" href="annotated.html">Data Structures</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="namespacemembers.html">Namespace Members</a> | <a class="qindex" href="functions.html">Data Fields</a> | <a class="qindex" href="globals.html">Globals</a> | <a class="qindex" href="pages.html">Related Pages</a> | <span class="search"><u>S</u>earch for <input class="search" type="text" name="query" value="" size="20" accesskey="s"/></span></form></div>
<h1>NLMISC::CSystemInfo Class Reference</h1><code>#include <<a class="el" href="a06480.html">system_info.h</a>></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> </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 </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 </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> </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 </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 </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 </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 </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> </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 </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 </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">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [static]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</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 (&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">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [static]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</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(&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 *) &osvi)) )
00066 {
00067 osvi.dwOSVersionInfoSize = <span class="keyword">sizeof</span> (OSVERSIONINFO);
00068 <span class="keywordflow">if</span> (! GetVersionEx ( (OSVERSIONINFO *) &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 && osvi.dwMinorVersion == 2 )
00079 OSString = <span class="stringliteral">"Microsoft Windows Server 2003 family "</span>;
00080
00081 <span class="keywordflow">if</span> ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1 )
00082 OSString = <span class="stringliteral">"Microsoft Windows XP "</span>;
00083
00084 <span class="keywordflow">if</span> ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0 )
00085 OSString = <span class="stringliteral">"Microsoft Windows 2000 "</span>;
00086
00087 <span class="keywordflow">if</span> ( osvi.dwMajorVersion <= 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 & 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 && osvi.dwMinorVersion == 2 )</span>
00110 <span class="comment"> {</span>
00111 <span class="comment"> if( osvi.wSuiteMask & VER_SUITE_DATACENTER )</span>
00112 <span class="comment"> printf ( "Datacenter Edition " );</span>
00113 <span class="comment"> else if( osvi.wSuiteMask & 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 && osvi.dwMinorVersion == 0 )</span>
00122 <span class="comment"> {</span>
00123 <span class="comment"> if( osvi.wSuiteMask & VER_SUITE_DATACENTER )</span>
00124 <span class="comment"> printf ( "Datacenter Server " );</span>
00125 <span class="comment"> else if( osvi.wSuiteMask & 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 & 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, &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, &dwBufLen);
00152 <span class="keywordflow">if</span>( (lRet != ERROR_SUCCESS) || (dwBufLen > 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 && 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, &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 & 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 & 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 & 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 && 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 && 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 && 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 & 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">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [static]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</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, &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)&<a class="code" href="a04223.html#a658">value</a>, &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)&<a class="code" href="a04223.html#a658">value</a>, &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)&<a class="code" href="a04223.html#a658">value</a>, &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)&<a class="code" href="a04223.html#a658">value</a>, &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">( </td>
<td class="md" nowrap valign="top">bool </td>
<td class="mdname1" valign="top" nowrap> <em>quick</em> = false </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [static]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</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> </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> < 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 < 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 > 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">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [static]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</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 -> 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">( </td>
<td class="md" nowrap valign="top">void </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [inline, static]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</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">( </td>
<td class="md" nowrap valign="top">void </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [inline, static]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</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">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [static]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</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(&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">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [static]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</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 (&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>
</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>
</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>
|
