int main()
{
boost::mutex m;
m.lock();
#if ! defined(BOOST_NO_CXX11_AUTO_DECLARATIONS)
auto
#else
boost::unique_lock<boost::mutex>
#endif
lk = boost::make_unique_lock(m, boost::adopt_lock);
BOOST_TEST(lk.mutex() == &m);
BOOST_TEST(lk.owns_lock() == true);
return boost::report_errors();
}
void signal_locked(boost::int64_t count,
boost::unique_lock<mutex_type> l)
{
HPX_ASSERT(l.owns_lock());
mutex_type* mtx = l.mutex();
// release no more threads than we get resources
value_ += count;
for (boost::int64_t i = 0; value_ >= 0 && i < count; ++i)
{
// notify_one() returns false if no more threads are
// waiting
if (!cond_.notify_one(std::move(l)))
break;
l = boost::unique_lock<mutex_type>(*mtx);
}
}