Program Listing for File guard_condition.hpp

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// Copyright 2023 Open Source Robotics Foundation, Inc.
// Copyright 2016-2018 Proyectos y Sistemas de Mantenimiento SL (eProsima).
//
// 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.

#ifndef DETAIL__GUARD_CONDITION_HPP_
#define DETAIL__GUARD_CONDITION_HPP_

#include <condition_variable>
#include <mutex>

#include "rmw_wait_set_data.hpp"

namespace rmw_zenoh_cpp
{
class GuardCondition final
{
public:
  GuardCondition();

  // Sets has_triggered_ to true and calls notify_one() on condition_variable_ if set.
  void trigger();

  bool check_and_attach_condition_if_not(rmw_wait_set_data_t * wait_set_data);

  bool detach_condition_and_is_trigger_set();

private:
  mutable std::mutex internal_mutex_;
  bool has_triggered_;
  rmw_wait_set_data_t * wait_set_data_;
};
}  // namespace rmw_zenoh_cpp

#endif  // DETAIL__GUARD_CONDITION_HPP_