boost::thread demo

#include <iostream>

#include <boost/date_time/gregorian/gregorian.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <boost/thread.hpp>
using namespace boost;
using namespace boost::posix_time;

void thread_func();

int main(int argc, char** argv)
{
	std::cout << "start at main" << std::endl;
	/*创建线程对象, 完成后马上执行线程函数的代码*/
	thread t(thread_func);
	/*调用join,让main函数的线程等待线程t的代码执行完返回再继续*/
	t.join();
	std::cout << "the next step will jump out main()" << std::endl;
	return 0;
}

void thread_func() {

	std::cout << "thread func" << std::endl;
	/*线程sleep 5秒钟*/
	boost::this_thread::sleep(boost::posix_time::seconds(5));
}