#include <signal.h>

#include <boost/asio.hpp>
#include <boost/bind.hpp>

boost::asio::io_service::work* work;
boost::asio::io_service service(1);
boost::asio::signal_set signals(service);

void handle_signal(int signal_number,
                   const boost::system::error_code& error)
{
  if (error)
  {
    std::cout << "Error happened: " <<  error.message() << std::endl;
  }
  else
  {
    std::cout << "Signal received: " << signal_number << std::endl;
  }
  delete work;
  service.stop();
}

int main(int, char**)
{
  work = new boost::asio::io_service::work(service);
  signals.add(SIGINT);
  signals.add(SIGTERM);
  signals.add(SIGQUIT);
  signals.async_wait(
      boost::bind(&handle_signal,
        boost::asio::placeholders::signal_number,
        boost::asio::placeholders::error));

  service.run();
  std::cout << "service is not running" << std::endl;;
}