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std::atomic::notify_all(3)    C++ Standard Libary   std::atomic::notify_all(3)

NAME
       std::atomic::notify_all - std::atomic::notify_all

Synopsis
	  void notify_all() noexcept;		(since C++20)
	  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.

Return value
	  (none)

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

Example
	   This	section	is incomplete
	   Reason: no example

See also
	  wait		       blocks the thread until notified	and the	atomic
       value changes
	  (C++20)	       (public member function)
	  atomic_wait
	  atomic_wait_explicit blocks the thread until notified	and the	atomic
       value changes
	  (C++20)	       (function template)
	  (C++20)
	  atomic_notify_one    notifies	a thread blocked in atomic_wait
	  (C++20)	       (function template)

http://cppreference.com		  2022.07.31	    std::atomic::notify_all(3)

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