1 #include <iostream> 2 #include <boost/asio.hpp> 3 #include <boost/date_time/posix_time/posix_time.hpp> 4 using namespace boost::asio; 5 int main() 6 { 7 io_service ios; 8 deadline_timer t(ios,boost::posix_time::seconds(2)); 9 std::cout<<t.expires_at()<<std::endl; 10 t.wait(); 11 std::cout<<"hello asio"<<std::endl; 12 13 }