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// (C) Copyright 2012 Howard Hinnant
// (C) Copyright 2012 Vicente Botet
//
// 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)
// adapted from the example given by Howard Hinnant in
#define BOOST_THREAD_VERSION 4
#include <iostream>
#include <boost/thread/scoped_thread.hpp>
#include <boost/thread/externally_locked_stream.hpp>
void use_cerr(boost::externally_locked_stream<std::ostream> &mcerr)
{
using namespace boost;
chrono::steady_clock::time_point tf = chrono::steady_clock::now() + chrono::seconds(10);
while (chrono::steady_clock::now() < tf)
{
mcerr << "logging data to cerr\n";
this_thread::sleep_for(chrono::milliseconds(500));
}
}
void use_cout(boost::externally_locked_stream<std::ostream> &mcout)
{
using namespace boost;
chrono::steady_clock::time_point tf = chrono::steady_clock::now() + chrono::seconds(5);
while (chrono::steady_clock::now() < tf)
{
mcout << "logging data to cout\n";
this_thread::sleep_for(chrono::milliseconds(250));
}
}
int main()
{
using namespace boost;
recursive_mutex terminal_mutex;
externally_locked_stream<std::ostream> mcerr(std::cerr, terminal_mutex);
externally_locked_stream<std::ostream> mcout(std::cout, terminal_mutex);
externally_locked_stream<std::istream> mcin(std::cin, terminal_mutex);
scoped_thread<> t1(boost::thread(use_cerr, boost::ref(mcerr)));
scoped_thread<> t2(boost::thread(use_cout, boost::ref(mcout)));
this_thread::sleep_for(chrono::seconds(2));
std::string nm;
{
strict_lock<recursive_mutex> lk(terminal_mutex);
std::ostream & gcout = mcout.get(lk);
//std::istream & gcin = mcin.get(lk);
gcout << "Enter name: ";
//gcin >> nm;
}
t1.join();
t2.join();
mcout << nm << '\n';
return 0;
}
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