# std::unique_lock<Mutex>::owns_lock

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< cpp‎ | thread‎ | unique lock

bool owns_lock() const noexcept; |  | (since C++11)

Checks whether *this owns a locked mutex or not.

### Parameters

(none)

### Return value

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

### See also

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

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