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+<hr><h1>mutex.cpp</h1><a href="mutex_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">#ifndef _GNU_SOURCE</font>
+00029 <font class="preprocessor"></font><font class="preprocessor">#define _GNU_SOURCE</font>
+00030 <font class="preprocessor"></font><font class="preprocessor">#endif // _GNU_SOURCE</font>
+00031 <font class="preprocessor"></font>
+00032 <font class="preprocessor">#include "<a class="code" href="mutex_8h.html">nel/misc/mutex.h</a>"</font>
+00033 <font class="preprocessor">#include "<a class="code" href="time__nl_8h.html">nel/misc/time_nl.h</a>"</font>
+00034
+00035 <font class="preprocessor">#ifdef MUTEX_DEBUG</font>
+00036 <font class="preprocessor"></font><font class="preprocessor">#include &lt;iostream&gt;</font>
+00037 <font class="preprocessor">#endif</font>
+00038 <font class="preprocessor"></font>
+00039 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
+00040
+00041 <font class="preprocessor">#ifndef MUTEX_DEBUG</font>
+<a name="l00042"></a><a class="code" href="mutex_8cpp.html#a0">00042</a> <font class="preprocessor"></font><font class="preprocessor">#define debugCreateMutex() ;</font>
+<a name="l00043"></a><a class="code" href="mutex_8cpp.html#a1">00043</a> <font class="preprocessor"></font><font class="preprocessor">#define debugBeginEnter() ;</font>
+<a name="l00044"></a><a class="code" href="mutex_8cpp.html#a2">00044</a> <font class="preprocessor"></font><font class="preprocessor">#define debugEndEnter() ;</font>
+<a name="l00045"></a><a class="code" href="mutex_8cpp.html#a3">00045</a> <font class="preprocessor"></font><font class="preprocessor">#define debugLeave() ;</font>
+<a name="l00046"></a><a class="code" href="mutex_8cpp.html#a4">00046</a> <font class="preprocessor"></font><font class="preprocessor">#define debugDeleteMutex() ;</font>
+00047 <font class="preprocessor"></font><font class="preprocessor">#endif</font>
+00048 <font class="preprocessor"></font>
+00049
+00050 <font class="comment">/****************</font>
+00051 <font class="comment"> * Windows code *</font>
+00052 <font class="comment"> ****************/</font>
+00053
+00054 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
+00055 <font class="preprocessor"></font>
+00056 <font class="comment">// these defines are for IsDebuggerPresent(). It'll not compile on windows 95</font>
+00057 <font class="comment">// just comment this and the IsDebuggerPresent to compile on windows 95</font>
+00058 <font class="preprocessor">#define _WIN32_WINDOWS 0x0410</font>
+00059 <font class="preprocessor"></font><font class="preprocessor">#define WINVER 0x0400</font>
+00060 <font class="preprocessor"></font><font class="preprocessor">#include &lt;windows.h&gt;</font>
+00061
+00062
+00063 <font class="keyword">namespace </font>NLMISC {
+00064
+00065
+00066 <font class="comment">/*</font>
+00067 <font class="comment"> * Windows version</font>
+00068 <font class="comment"> */</font>
+00069
+00070 CUnfairMutex::CUnfairMutex()
+00071 {
+00072 <font class="comment">// Create a mutex with no initial owner.</font>
+00073 Mutex = (<font class="keywordtype">void</font> *) CreateMutex (NULL, FALSE, NULL);
+00074 <a class="code" href="debug_8h.html#a6">nlassert</a> (Mutex != NULL);
+00075 }
+00076
+00077
+00078 CUnfairMutex::CUnfairMutex(<font class="keyword">const</font> std::string &amp;name)
+00079 {
+00080 <font class="comment">// Create a mutex with no initial owner.</font>
+00081 Mutex = (<font class="keywordtype">void</font> *) CreateMutex (NULL, FALSE, NULL);
+00082 <a class="code" href="debug_8h.html#a6">nlassert</a> (Mutex != NULL);
+00083 }
+00084
+00085
+00086 <font class="comment">/*</font>
+00087 <font class="comment"> * Windows version</font>
+00088 <font class="comment"> */</font>
+00089 CUnfairMutex::~CUnfairMutex()
+00090 {
+00091 CloseHandle( Mutex );
+00092 }
+00093
+00094
+00095 <font class="comment">/*</font>
+00096 <font class="comment"> * Windows version</font>
+00097 <font class="comment"> */</font>
+00098 <font class="keywordtype">void</font> CUnfairMutex::enter()
+00099 {
+00100 <font class="preprocessor">#ifdef NL_DEBUG</font>
+00101 <font class="preprocessor"></font> DWORD timeout;
+00102 <font class="keywordflow">if</font> ( <a class="code" href="displayer_8cpp.html#a0">IsDebuggerPresent</a>() )
+00103 timeout = INFINITE;
+00104 <font class="keywordflow">else</font>
+00105 timeout = 10000;
+00106
+00107 <font class="comment">// Request ownership of mutex</font>
+00108 DWORD dwWaitResult = WaitForSingleObject (Mutex, timeout);
+00109 <font class="preprocessor">#else</font>
+00110 <font class="preprocessor"></font> <font class="comment">// Request ownership of mutex during 10s</font>
+00111 DWORD dwWaitResult = WaitForSingleObject (Mutex, 10000);
+00112 <font class="preprocessor">#endif // NL_DEBUG</font>
+00113 <font class="preprocessor"></font> <font class="keywordflow">switch</font> (dwWaitResult)
+00114 {
+00115 <font class="comment">// The thread got mutex ownership.</font>
+00116 <font class="keywordflow">case</font> WAIT_OBJECT_0: <font class="keywordflow">break</font>;
+00117 <font class="comment">// Cannot get mutex ownership due to time-out.</font>
+00118 <font class="keywordflow">case</font> WAIT_TIMEOUT: <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"Dead lock in a mutex (or more that 10s for the critical section"</font>);
+00119 <font class="comment">// Got ownership of the abandoned mutex object.</font>
+00120 <font class="keywordflow">case</font> WAIT_ABANDONED: <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"A thread forgot to release the mutex"</font>);
+00121 }
+00122 }
+00123
+00124
+00125 <font class="comment">/*</font>
+00126 <font class="comment"> * Windows version</font>
+00127 <font class="comment"> */</font>
+00128 <font class="keywordtype">void</font> CUnfairMutex::leave()
+00129 {
+00130 <font class="keywordflow">if</font> (ReleaseMutex(Mutex) == 0)
+00131 {
+00132 <a class="code" href="debug_8h.html#a3">nlerror</a> (<font class="stringliteral">"error while releasing the mutex (0x%x %d), %p"</font>, GetLastError(), GetLastError(), Mutex);
+00133 }
+00134 }
+00135
+00136
+00137 <font class="comment">/*</font>
+00138 <font class="comment"> * Windows version</font>
+00139 <font class="comment"> */</font>
+00140 CFairMutex::CFairMutex()
+00141 {
+00142 Name = <font class="stringliteral">"unset mutex name"</font>;
+00143
+00144 <a class="code" href="mutex_8cpp.html#a0">debugCreateMutex</a>();
+00145
+00146 <font class="comment">// Check that the CRITICAL_SECTION structure has not changed</font>
+00147 <a class="code" href="debug_8h.html#a6">nlassert</a>( <font class="keyword">sizeof</font>(TNelRtlCriticalSection)==<font class="keyword">sizeof</font>(CRITICAL_SECTION) );
+00148
+00149 <font class="preprocessor">#if (_WIN32_WINNT &gt;= 0x0500)</font>
+00150 <font class="preprocessor"></font> DWORD dwSpinCount = 0x80000000; <font class="comment">// set high-order bit to use preallocation</font>
+00151 <font class="keywordflow">if</font> ( ! InitializeCriticalSectionAndSpinCount( &amp;_Cs, dwSpinCount ) )
+00152 {
+00153 <a class="code" href="debug_8h.html#a3">nlerror</a>( <font class="stringliteral">"Error entering critical section"</font> );
+00154 }
+00155 <font class="preprocessor">#else</font>
+00156 <font class="preprocessor"></font> InitializeCriticalSection( (CRITICAL_SECTION*)&amp;_Cs );
+00157 <font class="preprocessor">#endif</font>
+00158 <font class="preprocessor"></font>}
+00159
+00160
+00161 CFairMutex::CFairMutex(<font class="keyword">const</font> string &amp;name)
+00162 {
+00163 Name = name;
+00164
+00165 <font class="preprocessor">#ifdef MUTEX_DEBUG</font>
+00166 <font class="preprocessor"></font> <a class="code" href="mutex_8cpp.html#a0">debugCreateMutex</a>();
+00167 <font class="preprocessor">#endif</font>
+00168 <font class="preprocessor"></font>
+00169 <font class="comment">// Check that the CRITICAL_SECTION structure has not changed</font>
+00170 <a class="code" href="debug_8h.html#a6">nlassert</a>( <font class="keyword">sizeof</font>(TNelRtlCriticalSection)==<font class="keyword">sizeof</font>(CRITICAL_SECTION) );
+00171
+00172 <font class="preprocessor">#if (_WIN32_WINNT &gt;= 0x0500)</font>
+00173 <font class="preprocessor"></font> DWORD dwSpinCount = 0x80000000; <font class="comment">// set high-order bit to use preallocation</font>
+00174 <font class="keywordflow">if</font> ( ! InitializeCriticalSectionAndSpinCount( &amp;_Cs, dwSpinCount ) )
+00175 {
+00176 <a class="code" href="debug_8h.html#a3">nlerror</a>( <font class="stringliteral">"Error entering critical section"</font> );
+00177 }
+00178 <font class="preprocessor">#else</font>
+00179 <font class="preprocessor"></font> InitializeCriticalSection( (CRITICAL_SECTION*)&amp;_Cs );
+00180 <font class="preprocessor">#endif</font>
+00181 <font class="preprocessor"></font>}
+00182
+00183
+00184
+00185 <font class="comment">/*</font>
+00186 <font class="comment"> * Windows version</font>
+00187 <font class="comment"> */</font>
+00188 CFairMutex::~CFairMutex()
+00189 {
+00190 DeleteCriticalSection( (CRITICAL_SECTION*)&amp;_Cs );
+00191
+00192 <a class="code" href="mutex_8cpp.html#a4">debugDeleteMutex</a>();
+00193 }
+00194
+00195
+00196 <font class="comment">/*</font>
+00197 <font class="comment"> * Windows version</font>
+00198 <font class="comment"> */</font>
+00199 <font class="keywordtype">void</font> CFairMutex::enter()
+00200 {
+00201 <a class="code" href="mutex_8cpp.html#a1">debugBeginEnter</a>();
+00202
+00203 EnterCriticalSection( (CRITICAL_SECTION*)&amp;_Cs );
+00204
+00205 <a class="code" href="mutex_8cpp.html#a2">debugEndEnter</a>();
+00206 }
+00207
+00208
+00209 <font class="comment">/*</font>
+00210 <font class="comment"> * Windows version</font>
+00211 <font class="comment"> */</font>
+00212 <font class="keywordtype">void</font> CFairMutex::leave()
+00213 {
+00214 LeaveCriticalSection( (CRITICAL_SECTION*)&amp;_Cs );
+00215
+00216 <a class="code" href="mutex_8cpp.html#a3">debugLeave</a>();
+00217 }
+00218
+00219
+00220
+00221
+00222
+00223
+00224
+00225
+00226 <font class="comment">/*************</font>
+00227 <font class="comment"> * Unix code *</font>
+00228 <font class="comment"> *************/</font>
+00229
+00230 <font class="preprocessor">#elif defined NL_OS_UNIX</font>
+00231 <font class="preprocessor"></font>
+00232 <font class="preprocessor">#include &lt;pthread.h&gt;</font>
+00233 <font class="preprocessor">#include &lt;errno.h&gt;</font>
+00234
+00235
+00236 <font class="comment">/*</font>
+00237 <font class="comment"> * Clanlib authors say: "We need to do this because the posix threads library</font>
+00238 <font class="comment"> * under linux obviously suck:"</font>
+00239 <font class="comment"> */</font>
+00240 <font class="keyword">extern</font> <font class="stringliteral">"C"</font>
+00241 {
+00242 <font class="keywordtype">int</font> pthread_mutexattr_setkind_np( pthread_mutexattr_t *attr, <font class="keywordtype">int</font> kind );
+00243 }
+00244
+00245
+00246 <font class="keyword">namespace </font>NLMISC {
+00247
+00248
+00249 <font class="comment">/*</font>
+00250 <font class="comment"> * Unix version</font>
+00251 <font class="comment"> */</font>
+00252 CUnfairMutex::CUnfairMutex(<font class="keyword">const</font> std::string &amp;name)
+00253 {
+00254 pthread_mutexattr_t attr;
+00255 pthread_mutexattr_init( &amp;attr );
+00256 <font class="comment">// Fast mutex. Note: on Windows all mutexes are recursive</font>
+00257 pthread_mutexattr_setkind_np( &amp;attr, PTHREAD_MUTEX_ADAPTIVE_NP ); <font class="comment">//PTHREAD_MUTEX_ERRORCHECK_NP );//PTHREAD_MUTEX_ADAPTIVE_NP );//PTHREAD_MUTEX_RECURSIVE_NP );</font>
+00258 pthread_mutex_init( &amp;mutex, &amp;attr );
+00259 pthread_mutexattr_destroy( &amp;attr );
+00260 }
+00261
+00262
+00263 <font class="comment">/*</font>
+00264 <font class="comment"> * Unix version</font>
+00265 <font class="comment"> */</font>
+00266 CUnfairMutex::~CUnfairMutex()
+00267 {
+00268 pthread_mutex_destroy( &amp;mutex );
+00269 }
+00270
+00271
+00272 <font class="comment">/*</font>
+00273 <font class="comment"> * Unix version</font>
+00274 <font class="comment"> */</font>
+00275 <font class="keywordtype">void</font> CUnfairMutex::enter()
+00276 {
+00277 <font class="comment">//cout &lt;&lt; getpid() &lt;&lt; ": Locking " &lt;&lt; &amp;mutex &lt;&lt; endl;</font>
+00278 <font class="keywordflow">if</font> ( pthread_mutex_lock( &amp;mutex ) != 0 )
+00279 {
+00280 <font class="comment">//cout &lt;&lt; "Error locking a mutex " &lt;&lt; endl;</font>
+00281 <a class="code" href="debug_8h.html#a3">nlerror</a>( <font class="stringliteral">"Error locking a mutex"</font> );
+00282 }
+00283 <font class="comment">/*else</font>
+00284 <font class="comment"> {</font>
+00285 <font class="comment"> cout &lt;&lt; getpid() &lt;&lt; ": Owning " &lt;&lt; &amp;mutex &lt;&lt; endl;</font>
+00286 <font class="comment"> }*/</font>
+00287 }
+00288
+00289
+00290 <font class="comment">/*</font>
+00291 <font class="comment"> * Unix version</font>
+00292 <font class="comment"> */</font>
+00293 <font class="keywordtype">void</font> CUnfairMutex::leave()
+00294 {
+00295 <font class="comment">//int errcode;</font>
+00296 <font class="comment">//cout &lt;&lt; getpid() &lt;&lt; ": Unlocking " &lt;&lt; &amp;mutex &lt;&lt; endl;</font>
+00297 <font class="keywordflow">if</font> ( (<font class="comment">/*errcode=*/</font>pthread_mutex_unlock( &amp;mutex )) != 0 )
+00298 {
+00299 <font class="comment">/* switch ( errcode )</font>
+00300 <font class="comment"> {</font>
+00301 <font class="comment"> case EINVAL: cout &lt;&lt; "INVAL" &lt;&lt; endl; break;</font>
+00302 <font class="comment"> case EPERM: cout &lt;&lt; "PERM" &lt;&lt; endl; break;</font>
+00303 <font class="comment"> default: cout &lt;&lt; "OTHER" &lt;&lt; endl;</font>
+00304 <font class="comment"> }</font>
+00305 <font class="comment"> */</font>
+00306 <font class="comment">//cout &lt;&lt; "Error unlocking a mutex " /*&lt;&lt; &amp;mutex*/ &lt;&lt; endl;</font>
+00307 <a class="code" href="debug_8h.html#a3">nlerror</a>( <font class="stringliteral">"Error unlocking a mutex"</font> );
+00308 }
+00309 <font class="comment">/*else</font>
+00310 <font class="comment"> {</font>
+00311 <font class="comment"> cout &lt;&lt; getpid() &lt;&lt; ": Released " &lt;&lt; &amp;mutex &lt;&lt; endl;</font>
+00312 <font class="comment"> }*/</font>
+00313 }
+00314
+00315
+00316 <font class="comment">/*</font>
+00317 <font class="comment"> * Unix version</font>
+00318 <font class="comment"> */</font>
+00319 CFairMutex::CFairMutex()
+00320 {
+00321 sem_init( const_cast&lt;sem_t*&gt;(&amp;_Sem), 0, 1 );
+00322 }
+00323
+00324
+00325 CFairMutex::CFairMutex( <font class="keyword">const</font> std::string &amp;name )
+00326 {
+00327 sem_init( const_cast&lt;sem_t*&gt;(&amp;_Sem), 0, 1 );
+00328 }
+00329
+00330
+00331 <font class="comment">/*</font>
+00332 <font class="comment"> * Unix version</font>
+00333 <font class="comment"> */</font>
+00334 CFairMutex::~CFairMutex()
+00335 {
+00336 sem_destroy( const_cast&lt;sem_t*&gt;(&amp;_Sem) ); <font class="comment">// needs that no thread is waiting on the semaphore</font>
+00337 }
+00338
+00339
+00340 <font class="comment">/*</font>
+00341 <font class="comment"> * Unix version</font>
+00342 <font class="comment"> */</font>
+00343 <font class="keywordtype">void</font> CFairMutex::enter()
+00344 {
+00345 sem_wait( const_cast&lt;sem_t*&gt;(&amp;_Sem) );
+00346 }
+00347
+00348
+00349 <font class="comment">/*</font>
+00350 <font class="comment"> * Unix version</font>
+00351 <font class="comment"> */</font>
+00352 <font class="keywordtype">void</font> CFairMutex::leave()
+00353 {
+00354 sem_post( const_cast&lt;sem_t*&gt;(&amp;_Sem) );
+00355 }
+00356
+00357
+00358 <font class="preprocessor">#endif // NL_OS_WINDOWS/NL_OS_LINUX</font>
+00359 <font class="preprocessor"></font>
+00360
+00361
+00362
+00363
+00364
+00365
+00366 <font class="comment">/******************</font>
+00367 <font class="comment"> * Debugging code *</font>
+00368 <font class="comment"> ******************/</font>
+00369
+00370 <font class="preprocessor">#ifdef MUTEX_DEBUG</font>
+00371 <font class="preprocessor"></font>
+00372 map&lt;CFairMutex*,TMutexLocks&gt; *AcquireTime = NULL;
+00373 <a class="code" href="types__nl_8h.html#a10">uint32</a> NbMutexes = 0;
+00374 CFairMutex *ATMutex = NULL;
+00375 <font class="keywordtype">bool</font> InitAT = <font class="keyword">true</font>;
+00376
+00377
+00379 <font class="keywordtype">void</font> initAcquireTimeMap()
+00380 {
+00381 <font class="keywordflow">if</font> ( InitAT )
+00382 {
+00383 ATMutex = <font class="keyword">new</font> CFairMutex(<font class="stringliteral">"ATMutex"</font>);
+00384 AcquireTime = <font class="keyword">new</font> map&lt;CFairMutex*,TMutexLocks&gt;;
+00385 InitAT = <font class="keyword">false</font>;
+00386 }
+00387 }
+00388
+00389
+00391 map&lt;CFairMutex*,TMutexLocks&gt; getNewAcquireTimes()
+00392 {
+00393 map&lt;CMutex*,TMutexLocks&gt; m;
+00394 ATMutex-&gt;enter();
+00395
+00396 <font class="comment">// Copy map</font>
+00397 m = *AcquireTime;
+00398
+00399 <font class="comment">// Reset map</font>
+00400 <font class="comment">/* map&lt;CMutex*,TMutexLocks&gt;::iterator im;</font>
+00401 <font class="comment"> for ( im=AcquireTime-&gt;begin(); im!=AcquireTime-&gt;end(); ++im )</font>
+00402 <font class="comment"> {</font>
+00403 <font class="comment"> (*im).second.Time = 0;</font>
+00404 <font class="comment"> (*im).second.Nb = 0;</font>
+00405 <font class="comment"> (*im).second.Locked = false;</font>
+00406 <font class="comment"> }</font>
+00407 <font class="comment">*/</font>
+00408 ATMutex-&gt;leave();
+00409 <font class="keywordflow">return</font> m;
+00410 }
+00411
+00412
+00415
+00416 <font class="keywordtype">void</font> <a class="code" href="mutex_8cpp.html#a0">CFairMutex::debugCreateMutex</a>()
+00417 {
+00418 <font class="comment">/* if ( ! InitAT )</font>
+00419 <font class="comment"> {</font>
+00420 <font class="comment"> ATMutex-&gt;enter();</font>
+00421 <font class="comment"> AcquireTime-&gt;insert( make_pair( this, TMutexLocks(NbMutexes) ) );</font>
+00422 <font class="comment"> NbMutexes++;</font>
+00423 <font class="comment"> ATMutex-&gt;leave();</font>
+00424 <font class="comment"> char dbgstr [256];</font>
+00425 <font class="comment"> smprintf( dbgstr, 256, "MUTEX: Creating mutex %p %s (number %u)\n", this, Name.c_str(), NbMutexes-1 );</font>
+00426 <font class="comment">#ifdef NL_OS_WINDOWS</font>
+00427 <font class="comment"> if ( IsDebuggerPresent() )</font>
+00428 <font class="comment"> OutputDebugString( dbgstr );</font>
+00429 <font class="comment">#endif</font>
+00430 <font class="comment"> cout &lt;&lt; dbgstr &lt;&lt; endl;</font>
+00431 <font class="comment"> }</font>
+00432 <font class="comment">*/</font>}
+00433
+00434 <font class="keywordtype">void</font> <a class="code" href="mutex_8cpp.html#a4">CFairMutex::debugDeleteMutex</a>()
+00435 {
+00436 <font class="keywordflow">if</font> ( (<font class="keyword">this</font>!=ATMutex ) &amp;&amp; (ATMutex!=NULL) )
+00437 {
+00438 ATMutex-&gt;enter();
+00439 (*AcquireTime)[<font class="keyword">this</font>].Dead = <font class="keyword">true</font>;
+00440 ATMutex-&gt;leave();
+00441 }
+00442 }
+00443
+00444 <font class="keywordtype">void</font> <a class="code" href="mutex_8cpp.html#a1">CFairMutex::debugBeginEnter</a>()
+00445 {
+00446 <font class="keywordflow">if</font> ( (<font class="keyword">this</font>!=ATMutex ) &amp;&amp; (ATMutex!=NULL) )
+00447 {
+00448 <a class="code" href="namespaceNLMISC.html#a183">TTicks</a> <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a> = CTime::getPerformanceTime();
+00449
+00450 ATMutex-&gt;enter();
+00451 std::map&lt;CMutex*,TMutexLocks&gt;::iterator it = (*AcquireTime).find (<font class="keyword">this</font>);
+00452 <font class="keywordflow">if</font> (it == (*AcquireTime).end())
+00453 {
+00454 AcquireTime-&gt;insert( make_pair( <font class="keyword">this</font>, TMutexLocks(NbMutexes++) ) );
+00455 <font class="keywordtype">char</font> dbgstr [256];
+00456 <a class="code" href="namespaceNLMISC.html#a203">smprintf</a>( dbgstr, 256, <font class="stringliteral">"MUTEX: Creating mutex %p %s (number %u)\n"</font>, <font class="keyword">this</font>, Name.c_str(), NbMutexes-1 );
+00457 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
+00458 <font class="preprocessor"></font> <font class="keywordflow">if</font> ( <a class="code" href="displayer_8cpp.html#a0">IsDebuggerPresent</a>() ) OutputDebugString( dbgstr );
+00459 <font class="preprocessor">#endif</font>
+00460 <font class="preprocessor"></font> cout &lt;&lt; dbgstr &lt;&lt; endl;
+00461
+00462 it = (*AcquireTime).find (<font class="keyword">this</font>);
+00463 (*it).second.MutexName = Name;
+00464 }
+00465 (*it).second.WaitingMutex++;
+00466 (*it).second.BeginEnter = <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>;
+00467 ATMutex-&gt;leave();
+00468 }
+00469 }
+00470
+00471
+00472 <font class="keywordtype">void</font> <a class="code" href="mutex_8cpp.html#a2">CFairMutex::debugEndEnter</a>()
+00473 {
+00474 <font class="comment">// printf("1");</font>
+00475 <font class="comment">/* char str[1024];</font>
+00476 <font class="comment"> sprintf(str, "enter %8p %8p %8p\n", this, Mutex, getThreadId ());</font>
+00477 <font class="comment"> if (Mutex == (void*)0x88)</font>
+00478 <font class="comment"> {</font>
+00479 <font class="comment"> OutputDebugString (str);</font>
+00480 <font class="comment"> if (entered) __asm int 3;</font>
+00481 <font class="comment"> entered = true;</font>
+00482 <font class="comment"> }</font>
+00483 <font class="comment">*/</font>
+00484 <font class="keywordflow">if</font> ( ( <font class="keyword">this</font> != ATMutex ) &amp;&amp; ( ATMutex != NULL ) )
+00485 {
+00486 <a class="code" href="namespaceNLMISC.html#a183">TTicks</a> <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a> = CTime::getPerformanceTime();
+00487 ATMutex-&gt;enter();
+00488 <font class="keywordflow">if</font> ((uint32)(<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>-(*AcquireTime)[<font class="keyword">this</font>].BeginEnter) &gt; (*AcquireTime)[<font class="keyword">this</font>].TimeToEnter)
+00489 (*AcquireTime)[<font class="keyword">this</font>].TimeToEnter = (uint32)(<a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>-(*AcquireTime)[<font class="keyword">this</font>].BeginEnter);
+00490 (*AcquireTime)[<font class="keyword">this</font>].Nb += 1;
+00491 (*AcquireTime)[<font class="keyword">this</font>].WaitingMutex--;
+00492 (*AcquireTime)[<font class="keyword">this</font>].ThreadHavingTheMutex = <a class="code" href="namespaceNLMISC.html#a229">getThreadId</a>();
+00493 (*AcquireTime)[<font class="keyword">this</font>].EndEnter = <a class="code" href="driver__opengl__extension__def_8h.html#a384">t</a>;
+00494 ATMutex-&gt;leave();
+00495 }
+00496 }
+00497
+00498
+00499 <font class="keywordtype">void</font> <a class="code" href="mutex_8cpp.html#a3">CFairMutex::debugLeave</a>()
+00500 {
+00501 <font class="comment">// printf( "0" );</font>
+00502 <font class="comment">/* char str[1024];</font>
+00503 <font class="comment"> sprintf(str, "leave %8p %8p %8p\n", this, Mutex, getThreadId ());</font>
+00504 <font class="comment"> if (Mutex == (void*)0x88)</font>
+00505 <font class="comment"> {</font>
+00506 <font class="comment"> OutputDebugString (str);</font>
+00507 <font class="comment"> if (!entered) __asm int 3;</font>
+00508 <font class="comment"> entered = false;</font>
+00509 <font class="comment"> }</font>
+00510 <font class="comment">*/</font>
+00511
+00512 <font class="keywordflow">if</font> ( ( <font class="keyword">this</font> != ATMutex ) &amp;&amp; ( ATMutex != NULL ) )
+00513 {
+00514 <a class="code" href="namespaceNLMISC.html#a183">TTicks</a> Leave = CTime::getPerformanceTime();
+00515 ATMutex-&gt;enter();
+00516 <font class="keywordflow">if</font> ((uint32)(Leave-(*AcquireTime)[<font class="keyword">this</font>].EndEnter) &gt; (*AcquireTime)[<font class="keyword">this</font>].TimeInMutex)
+00517 (*AcquireTime)[<font class="keyword">this</font>].TimeInMutex = (uint32)(Leave-(*AcquireTime)[<font class="keyword">this</font>].EndEnter);
+00518 (*AcquireTime)[<font class="keyword">this</font>].Nb += 1;
+00519 (*AcquireTime)[<font class="keyword">this</font>].WaitingMutex = <font class="keyword">false</font>;
+00520 (*AcquireTime)[<font class="keyword">this</font>].ThreadHavingTheMutex = 0xFFFFFFFF;
+00521 ATMutex-&gt;leave();
+00522 }
+00523
+00524 }
+00525
+00526 <font class="preprocessor">#endif // MUTEX_DEBUG</font>
+00527 <font class="preprocessor"></font>
+00528 } <font class="comment">// NLMISC</font>
+</pre></div>
+
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