var runtime.netpollEventFd

5 uses

	runtime (current package)
		netpoll_epoll.go#L17: 	netpollEventFd uintptr            // eventfd for netpollBreak
		netpoll_epoll.go#L57: 	netpollEventFd = uintptr(efd)
		netpoll_epoll.go#L61: 	return fd == uintptr(epfd) || fd == netpollEventFd
		netpoll_epoll.go#L90: 		n := write(netpollEventFd, noescape(unsafe.Pointer(&one)), oneSize)
		netpoll_epoll.go#L168: 				read(int32(netpollEventFd), noescape(unsafe.Pointer(&one)), int32(unsafe.Sizeof(one)))