void IOManager::pollBody() {
while (!stopped()) {
int res = poller_->poll();
if (res == -1) {
if (errno != EINTR) {
perror("Error in epoll_wait ");
exit(1);
}
}
// Issue the alarm callbacks that are due. We'll clean up the
// queue shortly.
m_timer_queue_.lock();
TicksClock::Ticks now = TicksClock::getTicks();
TimerQueue::iterator to_execute = timer_queue_.begin();
while (to_execute != timer_queue_.end()) {
if (to_execute->first > now) {
break;
}
worker_pool_->addTask(to_execute->second);
timer_queue_.erase(to_execute++);
}
m_timer_queue_.unlock();
int e;
Descriptor* desc;
for (int i = 0; i < res; i++) {
poller_->getEvents(i, &e, &desc);
if (e & (DescriptorPoller::DP_ERROR | DescriptorPoller::DP_READ_READY)) {
desc->readIfWaiting();
}
if (e & (DescriptorPoller::DP_ERROR | DescriptorPoller::DP_WRITE_READY)) {
desc->writeIfWaiting();
}
}
Descriptor* to_delete = NULL;
m_deleted_desc_.lock();
to_delete = deleted_desc_;
deleted_desc_ = NULL;
m_deleted_desc_.unlock();
while (to_delete) {
Descriptor* hold = to_delete;
to_delete = to_delete->next_;
delete hold;
}
}
m_stop_.lock();
polling_ = false;
cv_polling_.signal();
m_stop_.unlock();
}
