void Scheduler::schedulerThread(void* p)
{
Scheduler* scheduler = (Scheduler*)p;
// NOTE: second argument defer_lock is to prevent from immediate locking
boost::unique_lock<boost::mutex> eventLockUnique(scheduler->m_eventLock, boost::defer_lock);
while (scheduler->m_threadState != STATE_TERMINATED) {
SchedulerTask* task = NULL;
bool runTask = false;
bool ret = true;
// check if there are events waiting...
eventLockUnique.lock();
if (scheduler->m_eventList.empty()) {
scheduler->m_eventSignal.wait(eventLockUnique);
} else {
ret = scheduler->m_eventSignal.timed_wait(eventLockUnique, scheduler->m_eventList.top()->getCycle());
}
// the mutex is locked again now...
if (!ret && (scheduler->m_threadState != STATE_TERMINATED)) {
// ok we had a timeout, so there has to be an event we have to execute...
task = scheduler->m_eventList.top();
scheduler->m_eventList.pop();
// check if the event was stopped
EventIdSet::iterator it = scheduler->m_eventIds.find(task->getEventId());
if (it != scheduler->m_eventIds.end()) {
// was not stopped so we should run it
runTask = true;
scheduler->m_eventIds.erase(it);
}
}
eventLockUnique.unlock();
// add task to dispatcher
if (task) {
// if it was not stopped
if (runTask) {
// Expiration has another meaning for dispatcher tasks, reset it
task->setDontExpire();
g_dispatcher.addTask(task);
} else {
// was stopped, have to be deleted here
delete task;
}
}
}
}
void Scheduler::schedulerThread()
{
std::unique_lock<std::mutex> eventLockUnique(m_eventLock, std::defer_lock);
while (m_threadState != STATE_TERMINATED) {
SchedulerTask* task = nullptr;
std::cv_status ret = std::cv_status::no_timeout;
bool runTask = false;
eventLockUnique.lock();
if (m_eventList.empty()) {
m_eventSignal.wait(eventLockUnique);
} else {
ret = m_eventSignal.wait_until(eventLockUnique, m_eventList.top()->getCycle());
}
// the mutex is locked again now...
if (ret == std::cv_status::timeout && m_threadState != STATE_TERMINATED) {
// ok we had a timeout, so there has to be an event we have to execute...
task = m_eventList.top();
m_eventList.pop();
// check if the event was stopped
auto it = m_eventIds.find(task->getEventId());
if (it != m_eventIds.end()) {
// was not stopped so we should run it
runTask = true;
m_eventIds.erase(it);
}
}
eventLockUnique.unlock();
// add task to dispatcher
if (task) {
// if it was not stopped
if (runTask) {
// Expiration has another meaning for dispatcher tasks, reset it
task->setDontExpire();
g_dispatcher.addTask(task);
} else {
// was stopped, have to be deleted here
delete task;
}
}
}
}
void Scheduler::schedulerThread()
{
srand(time(NULL));
Dispatcher *dispatcher = Dispatcher::instance();
boost::unique_lock<boost::mutex> eventLockUnique(m_eventLock, boost::defer_lock);
while(m_threadState != STATE_TERMINATED) {
SchedulerTask* task = NULL;
bool runTask = false;
bool ret = true;
eventLockUnique.lock();
if(m_eventList.empty()) {
m_eventSignal.wait(eventLockUnique);
} else {
ret = m_eventSignal.timed_wait(eventLockUnique, m_eventList.top()->getCycle());
}
if(ret == false && (m_threadState != STATE_TERMINATED)) {
task = m_eventList.top();
m_eventList.pop();
EventIdSet::iterator it = m_eventIds.find(task->getEventId());
if(it != m_eventIds.end()) {
runTask = true;
m_eventIds.erase(it);
}
}
eventLockUnique.unlock();
if(task) {
if(runTask) {
task->setDontExpire();
dispatcher->addTask(task);
} else {
delete task;
}
}
}
}
void Scheduler::threadMain()
{
std::unique_lock<std::mutex> eventLockUnique(eventLock, std::defer_lock);
while (getState() != THREAD_STATE_TERMINATED) {
std::cv_status ret = std::cv_status::no_timeout;
eventLockUnique.lock();
if (eventList.empty()) {
eventSignal.wait(eventLockUnique);
} else {
ret = eventSignal.wait_until(eventLockUnique, eventList.top()->getCycle());
}
// the mutex is locked again now...
if (ret == std::cv_status::timeout) {
// ok we had a timeout, so there has to be an event we have to execute...
SchedulerTask* task = eventList.top();
eventList.pop();
// check if the event was stopped
auto it = eventIds.find(task->getEventId());
if (it == eventIds.end()) {
eventLockUnique.unlock();
delete task;
continue;
}
eventIds.erase(it);
eventLockUnique.unlock();
task->setDontExpire();
g_dispatcher.addTask(task, true);
} else {
eventLockUnique.unlock();
}
}
}
