void ThreadGroup::schedule(TaskPtr task)
{
apex_assert_hard(!destroyed_);
std::unique_lock<std::recursive_mutex> tasks_lock(tasks_mtx_);
if (!tasks_.empty()) {
// for(const TaskPtr& t : tasks_) {
for (auto it = tasks_.begin(); it != tasks_.end(); ++it) {
const TaskPtr& t = *it;
if (t.get() == task.get()) {
return;
}
}
}
tasks_.insert(task);
task->setScheduled(true);
work_available_.notify_all();
}
bool ThreadGroup::executeNextTask()
{
std::unique_lock<std::recursive_mutex> tasks_lock(tasks_mtx_);
if (!tasks_.empty()) {
TaskPtr task = *tasks_.begin();
tasks_.erase(tasks_.begin());
task->setScheduled(false);
tasks_lock.unlock();
{
std::unique_lock<std::recursive_mutex> state_lock(state_mtx_);
if (running_) {
state_lock.unlock();
executeTask(task);
return true;
}
}
}
return false;
}