kevent64(2) on macOS
The text 756013c20c06, as OS X 10.10.5, OS X 10.10.4, OS X 10.10.3 shipped it.
kernel event notification mechanism
The text 756013c20c06, as OS X 10.10.5, OS X 10.10.4, OS X 10.10.3 shipped it.
kernel event notification mechanism