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// Copyright (C) 2001-2003

// William E. Kempf

//

// Distributed under the Boost Software License, Version 1.0. (See accompanying

// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#define BOOST_THREAD_VERSION 2

#include <boost/thread/thread_only.hpp>

#include <boost/thread/xtime.hpp>

#include <iostream>

struct thread_alarm

{

thread_alarm(int secs) : m_secs(secs) { }

void operator()()

{

boost::xtime xt;

boost::xtime_get(&xt, boost::TIME_UTC_);

xt.sec += m_secs;

boost::thread::sleep(xt);

std::cout << "alarm sounded..." << std::endl;

}

int m_secs;

};

int main()

{

int secs = 5;

std::cout << "setting alarm for 5 seconds..." << std::endl;

thread_alarm alarm(secs);

boost::thread thrd(alarm);

thrd.join();

}