std::shared_timed_mutex::shared_timed_mutex (3) Linux Manual Page
std::shared_timed_mutex::~shared_timed_mutex – std::shared_timed_mutex::~shared_timed_mutex
Synopsis
~shared_timed_mutex();Destroys the mutex.
The behavior is undefined if the mutex is owned by any thread or if any thread terminates while holding any ownership of the mutex.