rclpy.signals module

class rclpy.signals.SignalHandlerGuardCondition(context: Context | None = None)

Bases: GuardCondition

Create a GuardCondition.

Warning

Users should not create a guard condition with this constructor, instead they should call Node.create_guard_condition().

destroy() → None

Destroy a container for a ROS guard condition.

Warning

Users should not destroy a guard condition with this method, instead they should call Node.destroy_guard_condition().

rclpy.signals.get_current_signal_handlers_options() → rpyutils.import_c_library.SignalHandlerOptions

Get current signal handler options.

Returns:

rclpy.signals.SignalHandlerOptions instance.

rclpy.signals.install_signal_handlers(options: rpyutils.import_c_library.SignalHandlerOptions = rpyutils.import_c_library.SignalHandlerOptions.ALL) → None

Install rclpy signal handlers.

Parameters:

options – Indicate if to install sigint, sigterm, both or no signal handler.

rclpy.signals.uninstall_signal_handlers() → None

Uninstall the rclpy signal handlers.