void TaskQueue::pollProcessedTasks(TimeFrame timeFrame)
{
TaskUnitQueue processedCopy;
{
std::unique_lock<std::mutex> l(mProcessedQueueMutex);
processedCopy = mProcessedTaskUnits;
if (!mProcessedTaskUnits.empty()) {
mProcessedTaskUnits = TaskUnitQueue();
}
}
while (!processedCopy.empty()) {
TaskUnit* taskUnit = processedCopy.front();
processedCopy.pop();
try {
taskUnit->executeInMainThread();
} catch (const std::exception& ex) {
S_LOG_FAILURE("Error when executing task in main thread." << ex);
} catch (...) {
S_LOG_FAILURE("Unknown error when executing task in main thread.");
}
try {
delete taskUnit;
} catch (const std::exception& ex) {
S_LOG_FAILURE("Error when deleting task in main thread." << ex);
} catch (...) {
S_LOG_FAILURE("Unknown error when deleting task in main thread.");
}
//Try to keep the time spent here each frame down, to keep the framerate up.
if (!timeFrame.isTimeLeft()) {
break;
}
}
//If there are any unprocessed tasks, put them back at the front of the queue.
if (!processedCopy.empty()) {
std::unique_lock<std::mutex> l(mProcessedQueueMutex);
TaskUnitQueue queueCopy(mProcessedTaskUnits);
mProcessedTaskUnits = processedCopy;
while (!queueCopy.empty()) {
mProcessedTaskUnits.push(queueCopy.front());
queueCopy.pop();
}
}
}
