#include <boost/atomic.hpp>
#include <boost/chrono.hpp>
#include <boost/thread.hpp>
#include <vector>

int main()
{
#if ! defined BOOST_NO_CXX11_LAMBDAS
  boost::atomic<bool> done(false);
  std::vector<boost::thread> workers;
  boost::timed_mutex m;
  workers.reserve(128);
  for(size_t n=0; n<workers.capacity(); n++)
    workers.emplace_back([&](size_t idx){
      if(idx & 1)
      {
        while(!done)
        {
          if(m.try_lock_for(boost::chrono::microseconds(1)))
          {
            m.unlock();
            //printf("L %u ", (unsigned) idx);
          }
        }
      }
      else
      {
        auto now=boost::chrono::steady_clock::now();
        while(!done)
        {
          if(m.try_lock_until(now))
          {
            m.unlock();
            //printf("L %u ", (unsigned) idx);
          }
        }
      }
    }, n);
  boost::this_thread::sleep_for(boost::chrono::seconds(30));
  done=true;
  for(auto &i : workers)
    i.join();
#endif
  return 0;
}