def __init__(self, node): super().__init__(ReentrantCallbackGroup()) self.guard_condition = _rclpy.rclpy_create_guard_condition(node.context.handle) self.guard_condition_index = None self.guard_is_ready = False self.node = node self.future = None
def __init__(self, callback, callback_group): self.guard_handle, self.guard_pointer = _rclpy.rclpy_create_guard_condition( ) self.callback = callback self.callback_group = callback_group # True when the callback is ready to fire but has not been "taken" by an executor self._executor_event = False # True when the executor sees this has been triggered but has not yet been handled self._executor_triggered = False
def __init__(self, callback, callback_group, context=None): self._context = get_default_context() if context is None else context self.__handle = Handle( _rclpy.rclpy_create_guard_condition(self._context.handle)) self.callback = callback self.callback_group = callback_group # True when the callback is ready to fire but has not been "taken" by an executor self._executor_event = False # True when the executor sees this has been triggered but has not yet been handled self._executor_triggered = False
def __init__(self, node): super().__init__(ReentrantCallbackGroup()) self.guard_condition = _rclpy.rclpy_create_guard_condition(node.context.handle)[0] self.guard_condition_index = None self.guard_is_ready = False self.subscription = _rclpy.rclpy_create_subscription( node.handle, EmptyMsg, 'test_topic', qos_profile_default.get_c_qos_profile())[0] self.subscription_index = None self.subscription_is_ready = False self.node = node self.future = None
def __init__(self): super().__init__() self._nodes = set() self._nodes_lock = _Lock() # This is triggered when wait_for_ready_callbacks should rebuild the wait list gc, gc_handle = _rclpy.rclpy_create_guard_condition() self._guard_condition = gc self._guard_condition_handle = gc_handle # True if shutdown has been called self._is_shutdown = False self._work_tracker = _WorkTracker() # State for wait_for_ready_callbacks to reuse generator self._cb_iter = None self._last_args = None self._last_kwargs = None
def __init__(self, *, context=None): super().__init__() self._context = get_default_context() if context is None else context self._nodes = set() self._nodes_lock = RLock() # Tasks to be executed (oldest first) 3-tuple Task, Entity, Node self._tasks = [] self._tasks_lock = Lock() # This is triggered when wait_for_ready_callbacks should rebuild the wait list gc, gc_handle = _rclpy.rclpy_create_guard_condition(self._context.handle) self._guard_condition = gc self._guard_condition_handle = gc_handle # True if shutdown has been called self._is_shutdown = False self._work_tracker = _WorkTracker() # State for wait_for_ready_callbacks to reuse generator self._cb_iter = None self._last_args = None self._last_kwargs = None
def __init__(self, *, context: Context = None) -> None: super().__init__() self._context = get_default_context() if context is None else context self._nodes: Set[Node] = set() self._nodes_lock = RLock() # Tasks to be executed (oldest first) 3-tuple Task, Entity, Node self._tasks: List[Tuple[Task, Optional[WaitableEntityType], Optional[Node]]] = [] self._tasks_lock = Lock() # This is triggered when wait_for_ready_callbacks should rebuild the wait list gc, gc_handle = _rclpy.rclpy_create_guard_condition( self._context.handle) self._guard_condition = gc self._guard_condition_handle = gc_handle # True if shutdown has been called self._is_shutdown = False self._work_tracker = _WorkTracker() # Protect against shutdown() being called in parallel in two threads self._shutdown_lock = Lock() # State for wait_for_ready_callbacks to reuse generator self._cb_iter = None self._last_args = None self._last_kwargs = None
def __init__(self, context=None): if context is None: context = get_default_context() self.guard_handle, _ = _rclpy.rclpy_create_guard_condition(context.handle) _signals.rclpy_register_sigint_guard_condition(self.guard_handle)