void wait( std::unique_lock<std::mutex>& lock );

bool valid() const;

void lock();

native_handle_type native_handle();

void join();

void lock_shared();

Defined in header

template< class Mutex > void swap( shared_lock<Mutex>&

template< class Clock, class Duration > bool try_lock_until(

template< class Rep, class Period > std::cv_status wait_for(