std::unique_lock<Mutex>::operator bool

< cpp‎ | thread‎ | unique lock
 
 
Thread support library
Threads
(C++11)
this_thread namespace
(C++11)
(C++11)
(C++11)
Mutual exclusion
(C++11)
Generic lock management
(C++11)
(C++11)
(C++11)
(C++11)(C++11)(C++11)
(C++11)
(C++11)
Condition variables
(C++11)
Futures
(C++11)
(C++11)
(C++11)
(C++11)
 
 
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 its associated mutex
(public member function)