{

using namespace boost;

chrono::steady_clock::time_point tf = chrono::steady_clock::now() + chrono::seconds(5);

int i = 0;

while (chrono::steady_clock::now() < tf)

{

ostream_buffer<std::ostream> mcerr(std::cerr);

mcerr.stream() << "logging data to cerr " << i++ << "\n";

this_thread::sleep_for(chrono::milliseconds(250));

}

{

using namespace boost;

chrono::steady_clock::time_point tf = chrono::steady_clock::now() + chrono::seconds(5);

int i = 0;

while (chrono::steady_clock::now() < tf)

{

ostream_buffer<std::ostream> mcout(std::cout);

mcout.stream() << "logging data to cout " << i++ << "\n";

this_thread::sleep_for(chrono::milliseconds(500));

}

{

using namespace boost;

scoped_thread<> t1(&use_cerr);

scoped_thread<> t2(&use_cout);

this_thread::sleep_for(chrono::seconds(2));

std::string nm = "he, he\n";

{

ostream_buffer<std::ostream> mcout(std::cout);

mcout.stream() << "Enter name: \n";

}

t1.join();

t2.join();

{

ostream_buffer<std::ostream> mcout(std::cout);

mcout.stream() << nm;

}

return 0;