Starts the worker threads if they are not already started.
        This method is thread-safe and will be called automatically
        when executing an operation.
977203
def start(self):
        
        # Check whether we are already started, skip if we are.
        if not self._started.is_set():
            # If we are not started, try to capture the lock.
            if self._lock.acquire(False):
                # If we got the lock, go ahead and start the worker
                # threads, set the started flag, and release the lock.
                for i in range(self._size):
                    name = "riak.client.multi-worker-{0}-{1}".format(
                            self._name, i)
                    worker = Thread(target=self._worker_method, name=name)
                    worker.daemon = False
                    worker.start()
                    self._workers.append(worker)
                self._started.set()
                self._lock.release()
            else:
                # We didn't get the lock, so someone else is already
                # starting the worker threads. Wait until they have
                # signaled that the threads are started.
                self._started.wait()
1201467
public void start()
    {
        pen.start();
        try
        {
            cache.start();
        }
        catch ( Exception e )
        {
            ThreadUtils.checkInterrupted(e);
            Throwables.propagate(e);
        }
    }
156685
def _start_thread(self):
        """"""
        self._stopping_event = Event()
        self._enqueueing_thread = Thread(target=self._enqueue_batches, args=(self._stopping_event,))
        self._enqueueing_thread.start()
357414
def start(self):
        """"""
        if self.num_workers:
            self.queue = Queue(maxsize=self.num_workers)
            self.workers = [_Worker(self) for _ in range(self.num_workers)]
            for worker in self.workers:
                worker.start()
        self.running = True
111218
def _start_workers(self):
        
        # creating the pool of worker process or threads
        log.debug('%s starts a %s-pool of %s workers.' % \
                  (self, self.worker_type, self.worker_num))
        self.pool = []
        for host, worker_num in \
                           [(None, self.worker_num)] + list(self.worker_remote):
            for _worker in range(worker_num):
                __worker = Thread(target=_pool_worker, args=\
                                  (self._inqueue, self._outqueue, host)) \
                                  if self.worker_type == 'thread' else \
                           Process(target=_pool_worker, args=\
                                  (self._inqueue, self._outqueue, host))
                self.pool.append(__worker)
        for __worker in self.pool:
            __worker.daemon = True
            __worker.start()
        log.debug('%s started the pool' % self)
390559
def start(self):
        """"""
        for i in range(self.min):
            self._threads.append(WorkerThread(self.server))
        for worker in self._threads:
            worker.setName("CP Server " + worker.getName())
            worker.start()
        for worker in self._threads:
            while not worker.ready:
                time.sleep(.1)
1157015
def start(self):
        
        if not self.started:
            self.started = True
            self.executor = ThreadPoolExecutor(max_workers=32)
            self.poller = self.executor.submit(self.poll_events)
        else:
            raise IllegalStateError("Dispatcher is already started.")
1312858
def start(self):
        """"""
        with self._operational_lock:
            ready = threading.Event()
            thread = threading.Thread(
                name=_BIDIRECTIONAL_CONSUMER_NAME,
                target=self._thread_main,
                args=(ready,)
            )
            thread.daemon = True
            thread.start()
            # Other parts of the code rely on `thread.is_alive` which
            # isn't sufficient to know if a thread is active, just that it may
            # soon be active. This can cause races. Further protect
            # against races by using a ready event and wait on it to be set.
            ready.wait()
            self._thread = thread
            _LOGGER.debug("Started helper thread %s", thread.name)
947960
def start(self):
        
        if not self._is_running:
            self._do_run = True
            self._thread.start()
        return self
1221231
def start(self, nb_threads: int) -> None:
        
        if self._active_threads:
            raise Exception('Threads already started.')

        # Create thread pool
        for _ in range(nb_threads):
            worker = threading.Thread(
                target=_work_function,
                args=(self._job_q, self._result_q, self._error_q))
            worker.start()
            self._thread_list.append(worker)
            self._active_threads += 1

        # Put sentinels to let the threads know when there's no more jobs
        for _ in self._thread_list:
            self._job_q.put(_ThreadPoolSentinel())
1272122
public void start() {
		Thread thread = new Thread(new Runnable() {
			@Override
			public void run() {
				try {
					onPreExecute();
					Value value = execute();
					onPostExecute(value);
				} catch (Throwable throwable) {
					onThrowable(throwable);
				}
			}
		});
		thread.start();
	}
1370760
def start_worker_thread(
            self,
            sleep_interval=1.0):
        
        # Start a worker thread responsible for sending logs
        if self.sleep_interval > 0:
            self.debug_log(
                'starting worker thread')
            self.timer = Timer(
                sleep_interval,
                self.perform_work)
            self.timer.daemon = True  # Auto-kill thread if main process exits
            self.timer.start()
1206764
def _start_worker(self, worker: Worker):
        
        # This function is called from main thread and from worker pools threads to start their children threads
        with self.running_workers_lock:
            self.running_workers.append(worker)
        thread = SchedulerThread(worker, self._worker_ended)
        thread.start()
        # This may or may not be posted to a background thread (see set_callbacks)
        self.worker_start_callback(worker)
328478
def Start(self):
    """"""
    if not self.started:
      self.started = True
      for _ in range(self.min_threads):
        self._AddWorker()
356587
public void start() {
    	if(this.isActive)
    		return;
    	
        if (clock == null) {
            throw new IllegalStateException("Clock is not set");
        }

        this.isActive = true;
        
        logger.info("Starting ");
        
        coreThread.activate();
        criticalThread.activate();
        for(int i=0;i<workerThreads.length;i++)
        	workerThreads[i].activate();
        
        for(int i=0;i<criticalWorkerThreads.length;i++)
        	criticalWorkerThreads[i].activate();        
        
        logger.info("Started ");
    }
760973
def start(self):
        
        if self.threadPool:
            self.threadPool.addTask(self)

            # Lets other threads have a chance to run
            time.sleep(0)
        else:
            raise TaskError("start(): nothing to start for task %s" % self)
1014911
public void start() {
        switch (WORKER_STATE_UPDATER.get(this)) {
            case WORKER_STATE_INIT:
                if (WORKER_STATE_UPDATER.compareAndSet(this, WORKER_STATE_INIT, WORKER_STATE_STARTED)) {
                    workerThread.start();
                }
                break;
            case WORKER_STATE_STARTED:
                break;
            case WORKER_STATE_SHUTDOWN:
                throw new IllegalStateException("cannot be started once stopped");
            default:
                throw new Error("Invalid WorkerState");
        }

        // Wait until the startTime is initialized by the worker.
        while (startTime == 0) {
            try {
                startTimeInitialized.await();
            } catch (InterruptedException ignore) {
                // Ignore - it will be ready very soon.
            }
        }
    }