std::unique_lock<Mutex>::operator bool

< cpp‎ | thread‎ | unique lock
explicit operator bool() const noexcept;
(since C++11)

Checks whether *this owns a locked mutex or not. Effectively calls owns_lock().

Parameters

(none)

Return value

true if *this has an associated mutex and has acquired ownership of it, false otherwise.

See also

tests whether the lock owns (i.e., has locked) its associated mutex
(public member function)