if errno != 0 {
		println("runtime: eventfd failed with", -errno)
		throw("runtime: eventfd failed")
	}
	ev := syscall.EpollEvent{
		Events: syscall.EPOLLIN,
	}
	*(**uintptr)(unsafe.Pointer(&ev.Data)) = &netpollEventFd
	errno = syscall.EpollCtl(epfd, syscall.EPOLL_CTL_ADD, efd, &ev)
	if errno != 0 {
		println("runtime: epollctl failed with", errno)

// Copyright 2024 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package syscall

const (
	EPOLLIN       = 0x1
	EPOLLOUT      = 0x4
	EPOLLERR      = 0x8
	EPOLLHUP      = 0x10
	EPOLLRDHUP    = 0x2000
	EPOLLET       = 0x80000000
	EPOLL_CLOEXEC = 0x80000
	EPOLL_CTL_ADD = 0x1
	EPOLL_CTL_DEL = 0x2
	EPOLL_CTL_MOD = 0x3
	EFD_CLOEXEC   = 0x80000

	EPOLL_CLOEXEC            = 0x00001000
	EPOLL_CTL_ADD            = 0
	EPOLL_CTL_MOD            = 1
	EPOLL_CTL_DEL            = 2
	EPOLLRDNORM              = 0x0001
	EPOLLRDBAND              = 0x0002
	EPOLLIN                  = 0x0003
	EPOLLOUT                 = 0x0004
	EPOLLWRBAND              = 0x0008
	EPOLLPRI                 = 0x0010
	EPOLLERR                 = 0x0020
	EPOLLHUP                 = 0x0040

	EPOLLERR                                    = 0x8
	EPOLLET                                     = 0x80000000
	EPOLLEXCLUSIVE                              = 0x10000000
	EPOLLHUP                                    = 0x10
	EPOLLIN                                     = 0x1
	EPOLLMSG                                    = 0x400
	EPOLLONESHOT                                = 0x40000000
	EPOLLOUT                                    = 0x4

		{"EOWNERDEAD", Const, 0},
		{"EPERM", Const, 0},
		{"EPFNOSUPPORT", Const, 0},
		{"EPIPE", Const, 0},
		{"EPOLLERR", Const, 0},
		{"EPOLLET", Const, 0},
		{"EPOLLHUP", Const, 0},
		{"EPOLLIN", Const, 0},
		{"EPOLLMSG", Const, 0},
		{"EPOLLONESHOT", Const, 0},
		{"EPOLLOUT", Const, 0},
		{"EPOLLPRI", Const, 0},
		{"EPOLLRDBAND", Const, 0},
		{"EPOLLRDHUP", Const, 0},