// Copyright 2016 Open Source Robotics Foundation, Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #include "rclcpp/event.hpp" namespace rclcpp { Event::Event() : state_(false) {} bool Event::set() { return state_.exchange(true); } bool Event::check() { return state_.load(); } bool Event::check_and_clear() { return state_.exchange(false); } } // namespace rclcpp