void EventQueue::ProcessEvents()
{
auto& current_queue = mQueues[mCurrentQueue];
SwapQueues();
for (auto& event : current_queue)
{
for (auto& listener : mListeners)
{
listener->OnEvent(*event);
}
}
current_queue.clear();
}
// SELECTS NEXT RUNNING THREAD
void schedule(){
// IF RUNNING THREAD IS NOT FINISHED
// PUTS THE THREAD IN ONE OF THE TWO
// ABLE QUEUES
if(runningThread->state != FINISHED){
DecreaseCredits(runningThread);
if(runningThread->state == ABLE){
if (runningThread->credReal == 0){
expiredThreads = AddThread(expiredThreads, runningThread);
}
else{
activeThreads = AddThread(activeThreads, runningThread);
}
}
else{
if(runningThread->state == BLOCKED){
if(mutexBlock){
//if it was blocked while locking a mutex
//reset the flag and it was added to another queue
//in the pilock function
mutexBlock = 0;
}
else{
blockedThreads = AddThread(blockedThreads, runningThread);
}
}
}
}
else{
// IF THE THREAD IS FINISHED,
// FREE THE TCB MEMORY
free(runningThread);
}
// SELECTS NEXT THREAD TO RUN
runningThread = activeThreads;
if (runningThread == NULL){
SwapQueues(&activeThreads, &expiredThreads);
activeThreads = RestoreCredits(activeThreads);
runningThread = activeThreads;
}
activeThreads = activeThreads->next;
runningThread->next = NULL;
runningThread->prev = NULL;
if(activeThreads)
activeThreads->prev = NULL;
runningThread->state = EXECUTION;
setcontext(&runningThread->context);
}