mirror of
https://github.com/glest/glest-source.git
synced 2025-08-16 05:13:59 +02:00
- added a new thread manager to try to see if it takes less CPU cycles while the thread controller waits for slaves to do their work. To enable the experimental thread manager set: EnableNewThreadManager=true
This commit is contained in:
Mark Vejvoda
@@ -59,7 +59,7 @@ void Thread::start() {
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assert(thread != NULL);
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if(thread == NULL) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] thread == NULL",__FILE__,__FUNCTION__,__LINE__);
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snprintf(szBuf,1023,"In [%s::%s Line: %d] thread == NULL",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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}
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@@ -73,7 +73,7 @@ int Thread::beginExecution(void* data) {
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assert(thread != NULL);
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if(thread == NULL) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] thread == NULL",__FILE__,__FUNCTION__,__LINE__);
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snprintf(szBuf,1023,"In [%s::%s Line: %d] thread == NULL",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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thread->execute();
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@@ -140,7 +140,7 @@ Mutex::Mutex(string ownerId) {
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assert(mutex != NULL);
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if(mutex == NULL) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] mutex == NULL",__FILE__,__FUNCTION__,__LINE__);
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snprintf(szBuf,1023,"In [%s::%s Line: %d] mutex == NULL",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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deleteownerId = "";
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@@ -150,13 +150,13 @@ Mutex::~Mutex() {
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SDLMutexSafeWrapper safeMutex(&mutexAccessor,true);
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if(mutex == NULL) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] mutex == NULL refCount = %d owner [%s] deleteownerId [%s]",__FILE__,__FUNCTION__,__LINE__,refCount,ownerId.c_str(),deleteownerId.c_str());
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snprintf(szBuf,1023,"In [%s::%s Line: %d] mutex == NULL refCount = %d owner [%s] deleteownerId [%s]",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__,refCount,ownerId.c_str(),deleteownerId.c_str());
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throw megaglest_runtime_error(szBuf);
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//printf("%s\n",szBuf);
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}
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else if(refCount >= 1) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] about to destroy mutex refCount = %d owner [%s] deleteownerId [%s]",__FILE__,__FUNCTION__,__LINE__,refCount,ownerId.c_str(),deleteownerId.c_str());
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snprintf(szBuf,1023,"In [%s::%s Line: %d] about to destroy mutex refCount = %d owner [%s] deleteownerId [%s]",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__,refCount,ownerId.c_str(),deleteownerId.c_str());
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throw megaglest_runtime_error(szBuf);
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}
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@@ -170,7 +170,7 @@ Mutex::~Mutex() {
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void Mutex::p() {
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if(mutex == NULL) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] mutex == NULL refCount = %d owner [%s] deleteownerId [%s]",__FILE__,__FUNCTION__,__LINE__,refCount,ownerId.c_str(),deleteownerId.c_str());
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snprintf(szBuf,1023,"In [%s::%s Line: %d] mutex == NULL refCount = %d owner [%s] deleteownerId [%s]",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__,refCount,ownerId.c_str(),deleteownerId.c_str());
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throw megaglest_runtime_error(szBuf);
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}
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SDL_mutexP(mutex);
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@@ -180,7 +180,7 @@ void Mutex::p() {
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void Mutex::v() {
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if(mutex == NULL) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] mutex == NULL refCount = %d owner [%s] deleteownerId [%s]",__FILE__,__FUNCTION__,__LINE__,refCount,ownerId.c_str(),deleteownerId.c_str());
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snprintf(szBuf,1023,"In [%s::%s Line: %d] mutex == NULL refCount = %d owner [%s] deleteownerId [%s]",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__,refCount,ownerId.c_str(),deleteownerId.c_str());
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throw megaglest_runtime_error(szBuf);
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}
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refCount--;
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@@ -195,7 +195,7 @@ Semaphore::Semaphore(Uint32 initialValue) {
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semaphore = SDL_CreateSemaphore(initialValue);
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if(semaphore == NULL) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] semaphore == NULL",__FILE__,__FUNCTION__,__LINE__);
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snprintf(szBuf,1023,"In [%s::%s Line: %d] semaphore == NULL",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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}
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@@ -203,7 +203,7 @@ Semaphore::Semaphore(Uint32 initialValue) {
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Semaphore::~Semaphore() {
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if(semaphore == NULL) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] semaphore == NULL",__FILE__,__FUNCTION__,__LINE__);
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snprintf(szBuf,1023,"In [%s::%s Line: %d] semaphore == NULL",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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SDL_DestroySemaphore(semaphore);
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@@ -213,7 +213,7 @@ Semaphore::~Semaphore() {
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void Semaphore::signal() {
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if(semaphore == NULL) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] semaphore == NULL",__FILE__,__FUNCTION__,__LINE__);
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snprintf(szBuf,1023,"In [%s::%s Line: %d] semaphore == NULL",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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SDL_SemPost(semaphore);
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@@ -222,7 +222,7 @@ void Semaphore::signal() {
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int Semaphore::waitTillSignalled(int waitMilliseconds) {
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if(semaphore == NULL) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] semaphore == NULL",__FILE__,__FUNCTION__,__LINE__);
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snprintf(szBuf,1023,"In [%s::%s Line: %d] semaphore == NULL",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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int semValue = 0;
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@@ -235,16 +235,43 @@ int Semaphore::waitTillSignalled(int waitMilliseconds) {
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return semValue;
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}
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bool Semaphore::tryDecrement() {
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if(semaphore == NULL) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] semaphore == NULL",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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int semValue = SDL_SemTryWait(semaphore);
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return (semValue == 0);
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}
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uint32 Semaphore::getSemValue() {
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if(semaphore == NULL) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] semaphore == NULL",__FILE__,__FUNCTION__,__LINE__);
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snprintf(szBuf,1023,"In [%s::%s Line: %d] semaphore == NULL",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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return SDL_SemValue(semaphore);
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}
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void Semaphore::resetSemValue(Uint32 initialValue) {
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if(semaphore == NULL) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] semaphore == NULL",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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uint32 currentValue = SDL_SemValue(semaphore);
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for(unsigned int i = currentValue; i < initialValue; ++i) {
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SDL_SemPost(semaphore);
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}
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}
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// =====================================================
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// class ReadWriteMutex
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// =====================================================
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ReadWriteMutex::ReadWriteMutex(int maxReaders) : semaphore(maxReaders) {
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this->maxReadersCount = maxReaders;
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}
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@@ -273,5 +300,232 @@ int ReadWriteMutex::maxReaders() {
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return this->maxReadersCount;
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}
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// =====================================================
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// class Trigger
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// =====================================================
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Trigger::Trigger(Mutex *mutex) {
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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this->mutex = mutex;
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this->trigger = SDL_CreateCond();
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if(this->trigger == NULL) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] trigger == NULL",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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}
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Trigger::~Trigger() {
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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if(trigger == NULL) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] trigger == NULL",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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SDL_DestroyCond(trigger);
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trigger = NULL;
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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this->mutex = NULL;
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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}
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void Trigger::signal(bool allThreads) {
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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if(trigger == NULL) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] trigger == NULL",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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//MutexSafeWrapper safeMutex(mutex);
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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if(allThreads == false) {
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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int result = SDL_CondSignal(trigger);
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d] result = %d\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__,result);
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}
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else {
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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int result = SDL_CondBroadcast(trigger);
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d] result = %d\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__,result);
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}
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//safeMutex.ReleaseLock();
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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}
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int Trigger::waitTillSignalled(Mutex *mutex, int waitMilliseconds) {
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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if(trigger == NULL) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] trigger == NULL",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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if(mutex == NULL) {
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char szBuf[1024]="";
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snprintf(szBuf,1023,"In [%s::%s Line: %d] mutex == NULL",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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int result = 0;
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if(waitMilliseconds >= 0) {
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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result = SDL_CondWaitTimeout(trigger,mutex->getMutex(),waitMilliseconds);
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}
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else {
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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result = SDL_CondWait(trigger, mutex->getMutex());
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}
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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return result;
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}
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MasterSlaveThreadController::MasterSlaveThreadController() {
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std::vector<SlaveThreadControllerInterface *> empty;
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init(empty);
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}
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MasterSlaveThreadController::MasterSlaveThreadController(std::vector<SlaveThreadControllerInterface *> &slaveThreadList) {
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d] ==========================================================\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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init(slaveThreadList);
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}
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void MasterSlaveThreadController::init(std::vector<SlaveThreadControllerInterface *> &newSlaveThreadList) {
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static string masterSlaveOwnerId = string(__FILE__) + string("_MasterSlaveThreadController");
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this->mutex = new Mutex(masterSlaveOwnerId);
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this->slaveTriggerSem = new Semaphore(0);
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this->slaveTriggerCounter = newSlaveThreadList.size() + triggerBaseCount;
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setSlaves(newSlaveThreadList);
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}
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void MasterSlaveThreadController::clearSlaves(bool clearListOnly) {
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if(this->slaveThreadList.empty() == false) {
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if(clearListOnly == false) {
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for(unsigned int i = 0; i < this->slaveThreadList.size(); ++i) {
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SlaveThreadControllerInterface *slave = this->slaveThreadList[i];
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slave->setMasterController(NULL);
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}
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}
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this->slaveThreadList.clear();
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}
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}
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MasterSlaveThreadController::~MasterSlaveThreadController() {
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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clearSlaves();
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delete slaveTriggerSem;
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slaveTriggerSem = NULL;
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d] mutex->getRefCount() = %d\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__,mutex->getRefCount());
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delete mutex;
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mutex = NULL;
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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}
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void MasterSlaveThreadController::setSlaves(std::vector<SlaveThreadControllerInterface *> &slaveThreadList) {
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this->slaveThreadList = slaveThreadList;
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if(this->slaveThreadList.empty() == false) {
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for(unsigned int i = 0; i < this->slaveThreadList.size(); ++i) {
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SlaveThreadControllerInterface *slave = this->slaveThreadList[i];
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slave->setMasterController(this);
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}
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}
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}
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void MasterSlaveThreadController::signalSlaves(void *userdata) {
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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slaveTriggerCounter = this->slaveThreadList.size() + triggerBaseCount;
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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if(this->slaveThreadList.empty() == false) {
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for(unsigned int i = 0; i < this->slaveThreadList.size(); ++i) {
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SlaveThreadControllerInterface *slave = this->slaveThreadList[i];
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slave->signalSlave(userdata);
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}
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}
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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}
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void MasterSlaveThreadController::triggerMaster(int waitMilliseconds) {
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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MutexSafeWrapper safeMutex(mutex);
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d] semVal = %u\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__,slaveTriggerCounter);
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slaveTriggerCounter--;
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int newCount = slaveTriggerCounter;
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d] slaveTriggerCounter = %u\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__,slaveTriggerCounter);
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safeMutex.ReleaseLock();
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if(newCount <= triggerBaseCount) {
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slaveTriggerSem->signal();
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}
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
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}
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bool MasterSlaveThreadController::waitTillSlavesTrigger(int waitMilliseconds) {
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bool result = true;
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d] slaveTriggerCounter = %d\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__,slaveTriggerCounter);
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if(this->slaveThreadList.empty() == false) {
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if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d] slaveTriggerCounter = %d\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__,slaveTriggerCounter);
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int slaveResult = slaveTriggerSem->waitTillSignalled(waitMilliseconds);
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|
||||
if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d] slaveTriggerCounter = %d slaveResult = %d\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__,slaveTriggerCounter,slaveResult);
|
||||
|
||||
if(slaveResult != 0) {
|
||||
if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
|
||||
|
||||
result = false;
|
||||
}
|
||||
else if(slaveResult == 0) {
|
||||
if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d] slaveTriggerCounter = %d\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__,slaveTriggerCounter);
|
||||
|
||||
result = true;
|
||||
}
|
||||
}
|
||||
|
||||
if(debugMasterSlaveThreadController) printf("In [%s::%s Line: %d]\n",extractFileFromDirectoryPath(__FILE__).c_str(),__FUNCTION__,__LINE__);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
}}//end namespace
|
||||
|
||||
Reference in New Issue
Block a user