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std::unique_lock::operator bool

explicit operator bool() const;

(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.

Exceptions

noexcept specification:

noexcept

See also

tests whether the lock owns its associated mutex
(public member function)

Links:

http://en.cppreference.com/w/cpp/thread/unique_lock/operator_bool

doc_CPP

2016-10-11 10:07:42

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