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)
