safeprint&  operator<<(const std::string& msg) {
     cout_lock.lock_shared();
     std::cout << msg;
     cout_lock.unlock();
     //std::cout << "public safe" << std::endl;
     return *this;
 }

bool TrackManager::removeTrack( int pIndex)
{
	mySharedMutex.lock();
	bool isRemoved = myController->getTrackList()->removeObjById( pIndex);
	myController->createIndex();
	mySharedMutex.unlock();
	return isRemoved;
}

	void StatisticsMultiplexerSync::newDataAvailable() throw() {
		listenersLock.lock_shared();
		for( size_t i = listeners.size(); i--; ) {
			ListenerData& cur = listeners[i];
			cur.listener->newDataAvailable();
		}
		listenersLock.unlock_shared();
	}

	void StatisticsMultiplexerSync::notifyAvailableStatisticsChange( const std::vector<std::shared_ptr<Statistic> > & statistics, bool addedStatistics, bool removedStatistics ) throw() {
		listenersLock.lock_shared();
		for( size_t i = listeners.size(); i--; ) {
			ListenerData& cur = listeners[i];
			cur.listener->notifyAvailableStatisticsChange( statistics, addedStatistics, removedStatistics );
		}
		lastStatistics = & statistics;
		listenersLock.unlock_shared();
	}

	void StatisticsMultiplexerSync::unregisterListener( StatisticsMultiplexerListener * listener ) throw() {
		listenersLock.lock();
		for( size_t i = listeners.size(); i--; ) {
			if( listeners[i].listener == listener ) {
				listeners.erase(listeners.begin() + i);
			}
		}
		listenersLock.unlock();
	}

void f1()
{
  time_point t0 = Clock::now();
  // This test is spurious as it depends on the time the thread system switches the threads
  BOOST_TEST(m.try_lock_until(Clock::now() + ms(300) + ms(1000)) == true);
  time_point t1 = Clock::now();
  m.unlock();
  ns d = t1 - t0 - ms(250);
  BOOST_TEST(d < ns(5000000)+ms(1000)); // within 5ms
}

	void StatisticsMultiplexerSync::registerListener( StatisticsMultiplexerListener * listener ) throw() {
		listenersLock.lock();
		for( size_t i = listeners.size(); i--; ) if( listeners[i].listener == listener ) goto doUnlock;
		listeners.emplace_back( listener );
		if( lastStatistics != nullptr ){
			listener->notifyAvailableStatisticsChange( *lastStatistics, true, false );
		}
	doUnlock:
		listenersLock.unlock();
	}

int main()
{
  m.lock();
  boost::thread t(f);
  boost::this_thread::sleep_for(ms(250));
  m.unlock();
  t.join();

  return boost::report_errors();
}

int main()
{
  m.lock();
  boost::thread t(f);
#if defined BOOST_THREAD_USES_CHRONO
  boost::this_thread::sleep_for(ms(250));
#else
#endif
  m.unlock();
  t.join();

  return boost::report_errors();
}

void thread3_func_workaround()
{
  while (true)
  {
    if (mutex.timed_lock_shared(boost::posix_time::milliseconds(200)))
    {
      std::cout << "Shared lock acquired" << std::endl
        << "Test successful" << std::endl;
      mutex.unlock_shared();
      break;
    }
    boost::this_thread::sleep(boost::posix_time::milliseconds(100));
  }
}

bool TransferInfo::Finished() {
  checkbook_mutex_.lock_shared();
  bool finished = true;
  for (int i = 0; i < checkbook_->slice_size(); ++i) {
    VLOG(4) << i << " checkbook slice: " << checkbook_->slice(i).finished();
    if (!checkbook_->slice(i).finished()) {
      finished = false;
      VLOG(1) << "slice: " << i << " unfinished";
      checkbook_mutex_.unlock_shared();
      return false;
    }
  }
  checkbook_mutex_.unlock_shared();
  return true;
}

int TrackManager::addTrack( const string pFileName, CTrackInfo & pTrackData)
{
	mySharedMutex.lock();
	MP3Data * currentMP3Data = myController->addMP3( pFileName.c_str());
	int id = currentMP3Data->getId();
	if( id != INVALID_INDEX)
	{
		pTrackData.mIndex = currentMP3Data->getId();
		pTrackData.mAlbum = currentMP3Data->getAlbum();
		pTrackData.mInterpret = currentMP3Data->getArtist();
		pTrackData.mTitle = currentMP3Data->getTitle();
	}
	myController->createIndex();
	mySharedMutex.unlock();	
	return id;
}

void f()
{
#if defined BOOST_THREAD_USES_CHRONO
  t0 = Clock::now();
  m.lock();
  t1 = Clock::now();
  m.unlock();
#else
  //time_point t0 = Clock::now();
  m.lock();
  //time_point t1 = Clock::now();
  m.unlock();
  //ns d = t1 - t0 - ms(250);
  //BOOST_TEST(d < max_diff);
#endif
}

void f2()
{
  time_point t0 = Clock::now();
  BOOST_TEST(m.try_lock_for(ms(250)) == false);
  time_point t1 = Clock::now();
  ns d = t1 - t0 - ms(250);
  // This test is spurious as it depends on the time the thread system switches the threads
  BOOST_TEST(d < ns(5000000)+ms(1000)); // within 5ms
}

void f()
{
#if defined BOOST_THREAD_USES_CHRONO
  time_point t0 = Clock::now();
  m.lock();
  time_point t1 = Clock::now();
  m.unlock();
  ns d = t1 - t0 - ms(250);
  // This test is spurious as it depends on the time the thread system switches the threads
  BOOST_TEST(d < ns(2500000)+ms(1000)); // within 2.5ms
#else
  //time_point t0 = Clock::now();
  m.lock();
  //time_point t1 = Clock::now();
  m.unlock();
  //ns d = t1 - t0 - ms(250);
  // This test is spurious as it depends on the time the thread system switches the threads
  //BOOST_TEST(d < ns(2500000)+ms(1000)); // within 2.5ms
#endif
}

 void get ()
 {
    try
    {
       _m.lock() ;
    }
    catch(...)
    {
       SDB_ASSERT ( FALSE, "SLatch get failed" ) ;
    }
 }

 void release ()
 {
    try
    {
       _m.unlock() ;
    }
    catch(...)
    {
       SDB_ASSERT ( FALSE, "SLatch release failed" ) ;
    }
 }

 void get_shared ()
 {
    try
    {
       _m.lock_shared () ;
    }
    catch(...)
    {
       SDB_ASSERT ( FALSE, "SLatch get shared failed" ) ;
    }
 }

 void release_shared ()
 {
    try
    {
       _m.unlock_shared() ;
    }
    catch(...)
    {
       SDB_ASSERT ( FALSE, "SLatch release shared failed" ) ;
    }
 }

int TrackManager::trackSearchStart( const string & pTitleBeginn, TSearchID & pID)
{
	if( pTitleBeginn == "")
	{
		myController->getTrackList()->begin();
		pID = ALL_TRACKS_SEARCH_ID;
		return myController->getTrackList()->getLength();
	}
	else
	{
		mySharedMutex.lock();
		searchResultCount++;
		searchResultList[searchResultCount] = myController->getSearchResult( pTitleBeginn.c_str());
		pID = searchResultCount;
		std::cout << "search started, searchID: " << pID << std::endl;
		unsigned int length = searchResultList[searchResultCount]->getLength();
		mySharedMutex.unlock();
		return length;
	}
}