bool priv_timed_lock(sync::detail::chrono_time_point< TimePoint > const& t)
{
typedef TimePoint time_point;
typedef typename time_point::clock clock;
typedef typename time_point::duration duration;
time_point now = clock::now();
while (now < t.get())
{
if (priv_timed_lock(sync::detail::time_traits< duration >::to_sync_unit(t.get() - now)))
return true;
now = clock::now();
}
return false;
}
sync::cv_status priv_timed_wait(unique_lock< Mutex >& lock, sync::detail::chrono_time_point< TimePoint > const& t)
{
typedef TimePoint time_point;
typedef typename time_point::clock clock;
typedef typename time_point::duration duration;
time_point now = clock::now();
while (now < t.get())
{
if (priv_timed_wait(lock, sync::detail::time_traits< duration >::to_sync_unit(t.get() - now)) == sync::cv_status::no_timeout)
return sync::cv_status::no_timeout;
now = clock::now();
}
return sync::cv_status::timeout;
}