std::shared_mutex - Man Page

shared_mutex (const shared_mutex &)=delete
void lock ()
void lock_shared ()
shared_mutex & operator= (const shared_mutex &)=delete
bool try_lock ()
bool try_lock_shared ()
void unlock ()
void unlock_shared ()

(Note that these are not member functions.)

template<typename _Mutex > void swap (shared_lock< _Mutex > &__x, shared_lock< _Mutex > &__y) noexcept
Swap specialization for shared_lock.