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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 <iostream></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 <windows.h></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 &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 >= 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( &_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*)&_Cs );
00157 <font class="preprocessor">#endif</font>
00158 <font class="preprocessor"></font>}
00159
00160
00161 CFairMutex::CFairMutex(<font class="keyword">const</font> string &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 >= 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( &_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*)&_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*)&_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*)&_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*)&_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 <pthread.h></font>
00233 <font class="preprocessor">#include <errno.h></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 &name)
00253 {
00254 pthread_mutexattr_t attr;
00255 pthread_mutexattr_init( &attr );
00256 <font class="comment">// Fast mutex. Note: on Windows all mutexes are recursive</font>
00257 pthread_mutexattr_setkind_np( &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( &mutex, &attr );
00259 pthread_mutexattr_destroy( &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( &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 << getpid() << ": Locking " << &mutex << endl;</font>
00278 <font class="keywordflow">if</font> ( pthread_mutex_lock( &mutex ) != 0 )
00279 {
00280 <font class="comment">//cout << "Error locking a mutex " << 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 << getpid() << ": Owning " << &mutex << 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 << getpid() << ": Unlocking " << &mutex << endl;</font>
00297 <font class="keywordflow">if</font> ( (<font class="comment">/*errcode=*/</font>pthread_mutex_unlock( &mutex )) != 0 )
00298 {
00299 <font class="comment">/* switch ( errcode )</font>
00300 <font class="comment"> {</font>
00301 <font class="comment"> case EINVAL: cout << "INVAL" << endl; break;</font>
00302 <font class="comment"> case EPERM: cout << "PERM" << endl; break;</font>
00303 <font class="comment"> default: cout << "OTHER" << endl;</font>
00304 <font class="comment"> }</font>
00305 <font class="comment"> */</font>
00306 <font class="comment">//cout << "Error unlocking a mutex " /*<< &mutex*/ << 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 << getpid() << ": Released " << &mutex << 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<sem_t*>(&_Sem), 0, 1 );
00322 }
00323
00324
00325 CFairMutex::CFairMutex( <font class="keyword">const</font> std::string &name )
00326 {
00327 sem_init( const_cast<sem_t*>(&_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<sem_t*>(&_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<sem_t*>(&_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<sem_t*>(&_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<CFairMutex*,TMutexLocks> *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<CFairMutex*,TMutexLocks>;
00385 InitAT = <font class="keyword">false</font>;
00386 }
00387 }
00388
00389
00391 map<CFairMutex*,TMutexLocks> getNewAcquireTimes()
00392 {
00393 map<CMutex*,TMutexLocks> m;
00394 ATMutex->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<CMutex*,TMutexLocks>::iterator im;</font>
00401 <font class="comment"> for ( im=AcquireTime->begin(); im!=AcquireTime->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->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->enter();</font>
00421 <font class="comment"> AcquireTime->insert( make_pair( this, TMutexLocks(NbMutexes) ) );</font>
00422 <font class="comment"> NbMutexes++;</font>
00423 <font class="comment"> ATMutex->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 << dbgstr << 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 ) && (ATMutex!=NULL) )
00437 {
00438 ATMutex->enter();
00439 (*AcquireTime)[<font class="keyword">this</font>].Dead = <font class="keyword">true</font>;
00440 ATMutex->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 ) && (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->enter();
00451 std::map<CMutex*,TMutexLocks>::iterator it = (*AcquireTime).find (<font class="keyword">this</font>);
00452 <font class="keywordflow">if</font> (it == (*AcquireTime).end())
00453 {
00454 AcquireTime->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 << dbgstr << 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->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 ) && ( 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->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) > (*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->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 ) && ( ATMutex != NULL ) )
00513 {
00514 <a class="code" href="namespaceNLMISC.html#a183">TTicks</a> Leave = CTime::getPerformanceTime();
00515 ATMutex->enter();
00516 <font class="keywordflow">if</font> ((uint32)(Leave-(*AcquireTime)[<font class="keyword">this</font>].EndEnter) > (*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->leave();
00522 }
00523
00524 }
00525
00526 <font class="preprocessor">#endif // MUTEX_DEBUG</font>
00527 <font class="preprocessor"></font>
00528 } <font class="comment">// NLMISC</font>
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