std::atomic_flag_notify_all
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atomic_flag_notify_all
(C++20)
Defined in header
<atomic>
void atomic_flag_notify_all( std::atomic_flag * object ) noexcept;
(1)
(since C++20)
void atomic_flag_notify_all( volatile std::atomic_flag * object ) noexcept;
(2)
(since C++20)
Performs atomic notifying operations.
Unblocks all threads blocked in atomic waiting operations (i.e. std::atomic_flag_wait() , std::atomic_flag_wait_explicit() , or std::atomic_flag::wait()) on *object, if there are any; otherwise does nothing.
Equivalent to object->notify_all().
Contents
[edit] Parameters
object
-
pointer to the
atomic_flag object to notify
[edit] Return value
(none)
[edit] Notes
This form of change-detection is often more efficient than simple polling or pure spinlocks.
[edit] Example
This section is incomplete
Reason: no example
Reason: no example
[edit] See also
(C++20)
(public member function of
std::atomic_flag) [edit]
(C++20)
(public member function of
std::atomic_flag) [edit]