/usr/include/actionlib/one_shot_timer.h is in libactionlib-dev 1.11.7-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#ifndef ACTION_TOOLS_ROBUST_ONE_SHOT_TIMER_H_
#define ACTION_TOOLS_ROBUST_ONE_SHOT_TIMER_H_
#include "ros/ros.h"
#include "boost/bind.hpp"
//! Horrible hack until ROS Supports this (ROS Trac #1387)
class OneShotTimer
{
public:
OneShotTimer() : active_(false) { }
void cb(const ros::TimerEvent& e)
{
if (active_)
{
active_ = false;
if (callback_)
callback_(e);
else
ROS_ERROR_NAMED("actionlib", "Got a NULL Timer OneShotTimer Callback");
}
}
boost::function<void (const ros::TimerEvent& e)> getCb()
{
return boost::bind(&OneShotTimer::cb, this, _1);
}
void registerOneShotCb(boost::function<void (const ros::TimerEvent& e)> callback)
{
callback_ = callback;
}
void stop()
{
//timer_.stop();
active_ = false;
}
const ros::Timer& operator=(const ros::Timer& rhs)
{
active_ = true;
timer_ = rhs;
return timer_;
}
private:
ros::Timer timer_;
bool active_;
boost::function<void (const ros::TimerEvent& e)> callback_;
};
#endif
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