Tools/Scripts/webkitpy/common/thread/threadedmessagequeue.py

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import threading


class ThreadedMessageQueue(object):
    def __init__(self):
        self._messages = []
        self._is_running = True
        self._lock = threading.Lock()

    def post(self, message):
        with self._lock:
            self._messages.append(message)

    def stop(self):
        with self._lock:
            self._is_running = False

    def take_all(self):
        with self._lock:
            messages = self._messages
            is_running = self._is_running
            self._messages = []
        return (messages, is_running)