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std::atomic_ref<T>::notify_one

From cppreference.com
< cpp‎ | atomic‎ | atomic ref
 
 
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void notify_one() const noexcept;
(1) (since C++20)
void notify_one() const volatile noexcept;
(2) (since C++20)

Performs atomic notifying operations.

If there is a thread blocked in atomic waiting operation (i.e. wait()) on *this, then unblocks at least one such thread; otherwise does nothing.

Contents

[edit] Return value

(none)

[edit] Notes

This form of change-detection is often more efficient than simple polling or pure spinlocks.

[edit] Example

[edit] See also

blocks the thread until notified and the atomic value changes
(public member function) [edit]
blocks the thread until notified and the atomic value changes
(function template) [edit]
notifies a thread blocked in atomic_wait
(function template) [edit]