const internal/runtime/syscall.EFD_CLOEXEC

2 uses

	internal/runtime/syscall (current package)
		defs_linux.go#L18: 	EFD_CLOEXEC   = 0x80000

	runtime
		netpoll_epoll.go#L28: 	efd, errno := syscall.Eventfd(0, syscall.EFD_CLOEXEC|syscall.EFD_NONBLOCK)