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std::atomic_flag::notify_all

From cppreference.com
< cpp‎ | atomic‎ | atomic flag
 
 
 
 
(since C++20)
void notify_all() noexcept;
void notify_all() volatile noexcept;

Performs atomic notifying operations.

Unblocks all threads blocked in atomic waiting operations (i.e. wait()) on *this, if there are any; 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

(C++20)
blocks the thread until notified and the atomic value changes
(public member function) [edit]
blocks the thread until notified and the flag changes
(function) [edit]
notifies a thread blocked in atomic_flag_wait
(function) [edit]