std::unique_lock::operator bool

 

C++

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std::unique_lock

Member functions

unique_lock::unique_lock

unique_lock::~unique_lock

unique_lock::operator=

Locking

unique_lock::lock

unique_lock::try_lock

unique_lock::try_lock_for

unique_lock::try_lock_until

unique_lock::unlock

Modifiers

unique_lock::swap

unique_lock::release

Observers

unique_lock::mutex

unique_lock::owns_lock

unique_lock::operator bool

Non-member functions

std::swap

 

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

  (since C++11)

See also

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