multiple_unique_lock2(T1& m1, T2& m2) :
m_p1(boost::addressof(m1)),
m_p2(boost::addressof(m2))
{
std::less< void* > order;
if (order(m_p1, m_p2))
{
m_p1->lock();
m_p2->lock();
}
else
{
m_p2->lock();
m_p1->lock();
}
}
bool lock(T1& t1, T2& t2) {
if(t1.lock())return true;
if(t2.lock()) {
t1.unlock();
return true;
}
return false;
}