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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<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> +</pre></div> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |