std::atomic_flag::clear

Defined in header <atomic>
void clear( std::memory_order order = std::memory_order_seq_cst ) volatile noexcept;
(1) (since C++11)
void clear( std::memory_order order = std::memory_order_seq_cst ) noexcept;
(2) (since C++11)

Atomically changes the state of a std::atomic_flag to clear (false).

Parameters

order - the memory synchronization ordering for this operation (cannot be std::memory_order_consume, std::memory_order_acquire, or std::memory_order_acq_rel)

See also

atomically sets the flag to true and obtains its previous value
(public member function)
(C++11)(C++11)
atomically sets the value of the flag to false
(function)
(C++11)
defines memory ordering constraints for the given atomic operation
(enum)

© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
http://en.cppreference.com/w/cpp/atomic/atomic_flag/clear