| 1 | // Copyright (C) 2001-2003 |
|---|---|
| 2 | // William E. Kempf |
| 3 | // |
| 4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 6 | |
| 7 | #define BOOST_THREAD_VERSION 2 |
| 8 | |
| 9 | #include <boost/thread/thread_only.hpp> |
| 10 | #include <boost/thread/xtime.hpp> |
| 11 | #include <iostream> |
| 12 | |
| 13 | struct thread_alarm |
| 14 | { |
| 15 | thread_alarm(int secs) : m_secs(secs) { } |
| 16 | void operator()() |
| 17 | { |
| 18 | boost::xtime xt; |
| 19 | boost::xtime_get(xtp: &xt, clock_type: boost::TIME_UTC_); |
| 20 | xt.sec += m_secs; |
| 21 | |
| 22 | boost::thread::sleep(xt); |
| 23 | |
| 24 | std::cout << "alarm sounded..."<< std::endl; |
| 25 | } |
| 26 | |
| 27 | int m_secs; |
| 28 | }; |
| 29 | |
| 30 | int main() |
| 31 | { |
| 32 | int secs = 5; |
| 33 | std::cout << "setting alarm for 5 seconds..."<< std::endl; |
| 34 | thread_alarm alarm(secs); |
| 35 | boost::thread thrd(alarm); |
| 36 | thrd.join(); |
| 37 | } |
| 38 |