StatusWith<TaskExecutor::CallbackHandle> ThreadPoolTaskExecutor::enqueueCallbackState_inlock(
WorkQueue* queue, CallbackFn work, Date_t when) {
auto event = makeEvent_inlock();
if (!event.isOK()) {
return event.getStatus();
}
queue->emplace_back(CallbackState::make(std::move(work), std::move(event.getValue()), when));
queue->back()->iter = std::prev(queue->end());
CallbackHandle cbHandle;
setCallbackForHandle(&cbHandle, queue->back());
return cbHandle;
}
StatusWith<ReplicationExecutor::CallbackHandle> ReplicationExecutor::enqueueWork_inlock(
WorkQueue* queue, const CallbackFn& callback) {
invariant(callback);
StatusWith<EventHandle> event = makeEvent_inlock();
if (!event.isOK())
return StatusWith<CallbackHandle>(event.getStatus());
if (_freeQueue.empty())
_freeQueue.push_front(WorkItem());
const WorkQueue::iterator iter = _freeQueue.begin();
iter->generation++;
iter->callback = callback;
iter->finishedEvent = event.getValue();
iter->readyDate = Date_t();
iter->isCanceled = false;
queue->splice(queue->end(), _freeQueue, iter);
return StatusWith<CallbackHandle>(CallbackHandle(iter));
}
StatusWith<ReplicationExecutor::EventHandle> ReplicationExecutor::makeEvent() {
boost::lock_guard<boost::mutex> lk(_mutex);
return makeEvent_inlock();
}
StatusWith<TaskExecutor::EventHandle> ThreadPoolTaskExecutor::makeEvent() {
stdx::lock_guard<stdx::mutex> lk(_mutex);
return makeEvent_inlock();
}