/usr/include/nodelet/detail/callback_queue.h is in libnodeletlib-dev 1.9.8-1build3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2010, Willow Garage, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Willow Garage, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef NODELET_CALLBACK_QUEUE_H
#define NODELET_CALLBACK_QUEUE_H
#include <ros/callback_queue.h>
#include <ros/callback_queue_interface.h>
#include <boost/enable_shared_from_this.hpp>
namespace ros
{
class CallbackQueue;
}
namespace nodelet
{
namespace detail
{
class CallbackQueueManager;
class CallbackQueue : public ros::CallbackQueueInterface,
public boost::enable_shared_from_this<CallbackQueue>
{
public:
CallbackQueue(CallbackQueueManager* parent,
const ros::VoidConstPtr& tracked_object = ros::VoidConstPtr());
~CallbackQueue();
virtual void addCallback(const ros::CallbackInterfacePtr& callback, uint64_t owner_id = 0);
virtual void removeByID(uint64_t owner_id);
uint32_t callOne();
private:
CallbackQueueManager* parent_;
ros::CallbackQueue queue_;
ros::VoidConstWPtr tracked_object_;
bool has_tracked_object_;
};
} // namespace detail
} // namespace nodelet
#endif // NODELET_CALLBACK_QUEUE_H
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