#include <fc/asio.hpp>
#include <boost/asio/signal_set.hpp>

namespace fc
{
  void set_signal_handler( std::function<void(int)> handler, int signal_num )
  {
      std::shared_ptr<boost::asio::signal_set> sig_set(new boost::asio::signal_set(fc::asio::default_io_service(), signal_num));
      sig_set->async_wait( 
            [sig_set,handler]( const boost::system::error_code& err, int num ) 
            {
                handler( num );     
                sig_set->cancel();
             //   set_signal_handler( handler, signal_num );
            } );
  }
}