Login Register

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

Comments

Leave a Comment

Please login to continue.

Popular Articles

std::shared_lock::operator bool explicit operator bool() const; (since C++14) Checks whether *this owns a locked mutex or not. Effectively calls owns_lock(). Parameters (

std::unique_lock Defined in header <mutex> template< class Mutex > class unique_lock; (since C++11) The class unique_lock is a general-purp

std::unique_lock::unique_lock unique_lock(); (1) (since C++11) unique_lock( unique_lock&& other ); (2) (since C++11) explicit unique_lock( mutex_type& m )

std::unique_lock::lock void lock(); (since C++11) Locks the associated mutex. Effectively calls mutex()->lock(). Parameters (none). Return value (none).

std::unique_lock::try_lock bool try_lock(); (since C++11) Tries to lock the associated mutex without blocking. Effectively calls mutex()->try_lock(). std::system_err