int main(int, char**)
{
SHOW();
boost::function<void()> fn = boost::bind(&locky, 10);
boost::thread th(boost::bind(&lockwhile<boost::recursive_mutex>, fn, boost::ref(mtx)));
usleep(10000);
boost::recursive_mutex::scoped_lock triedlock(mtx, boost::defer_lock);
std::cout << "try lock = " << triedlock.try_lock() << "\n";
std::cout << "try lock = " << triedlock.try_lock() << "\n";
std::cout << "try lock = " << triedlock.try_lock() << "\n";
std::cout << "owns lock = " << triedlock.owns_lock() << "\n";
std::cout << "get lock in other thread\n";
boost::recursive_mutex::scoped_lock otherlock(mtx);
std::cout << "GOT\ntrying again...\n";
std::cout << "try lock = " << triedlock.try_lock() << "\n";
std::cout << "owns lock = " << triedlock.owns_lock() << "\n";
std::cout << "wait and join\n";
th.join();
}
bool operator==(const MetadataListImpl& list) const {
std::unique_lock<std::mutex> mylock(m_mutex, std::defer_lock); // Released when out of scope
std::unique_lock<std::mutex> otherlock(list.m_mutex, std::defer_lock); // Released when out of scope
std::lock(mylock, otherlock); // Lock both, prevent deadlock
return compareVectorsOfPointers(m_data, list.m_data);
}
