Method Lock

include/PyEventLoop.hh:266–273

  struct Lock {
  public:
    explicit Lock() {
      PyObject *asyncio = PyImport_ImportModule("asyncio");
      _queueIsEmpty = PyObject_CallMethod(asyncio, "Event", NULL); // _queueIsEmpty = asyncio.Event()
      Py_DECREF(asyncio);

      // The flag should initially be set as the queue is initially empty
      Py_XDECREF(PyObject_CallMethod(_queueIsEmpty, "set", NULL)); // _queueIsEmpty.set()
    };
    ~Lock() {
      Py_DECREF(_queueIsEmpty);
    }