It's still used, but PulseEvent has been discouraged for a long time.
[1] https://learn.microsoft.com/en-us/windows/win32/api/winbase/...
[2] https://devblogs.microsoft.com/oldnewthing/20050105-00/?p=36...
[1] https://learn.microsoft.com/en-us/windows/win32/api/winbase/...
[2] https://devblogs.microsoft.com/oldnewthing/20050105-00/?p=36...