ROS 2 rclcpp + rcl - kilted  kilted
ROS 2 C++ Client Library with ROS Client Library
logging_mutex.cpp
1 // Copyright 2020 Open Source Robotics Foundation, Inc.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #include <memory>
16 #include <mutex>
17 #include <stdexcept>
18 
19 #include "rcutils/macros.h"
20 
21 #include "./logging_mutex.hpp"
22 
23 std::shared_ptr<std::recursive_mutex>
24 get_global_logging_mutex()
25 {
26  static auto mutex = std::make_shared<std::recursive_mutex>();
27  if (RCUTILS_UNLIKELY(!mutex)) {
28  throw std::runtime_error("rclcpp global logging mutex is a nullptr");
29  }
30  return mutex;
31 }