References: syscall.EPOLL_CTL

const syscall.EPOLL_CTL_MOD

one use

	syscall (current package)
		zerrors_linux_amd64.go#L174: 	EPOLL_CTL_MOD                    = 0x3

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)