runtime.KeepAlive(fd)
	return wrapSyscallError("setsockopt", err)
}

func setKeepAliveCount(fd *netFD, n int) error {
	if n == 0 {
		n = defaultTCPKeepAliveCount
	} else if n < 0 {
		return nil
	}

	err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, syscall.TCP_KEEPCNT, n)
	runtime.KeepAlive(fd)
	return wrapSyscallError("setsockopt", err)

	secs := int(roundDurationUp(d, time.Second))
	err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, sysTCP_KEEPIDLE, secs)
	runtime.KeepAlive(fd)
	return wrapSyscallError("setsockopt", err)
}

func setKeepAliveInterval(fd *netFD, d time.Duration) error {
	if !unix.SupportTCPKeepAliveIdleIntvlCNT() {
		return syscall.EPROTOTYPE
	}

	if d == 0 {
		d = defaultTCPKeepAliveInterval

	runtime.KeepAlive(fd)
	return os.NewSyscallError("setsockopt", err)
}

func setKeepAliveCount(fd *netFD, n int) error {
	if n == 0 {
		n = defaultTCPKeepAliveCount
	} else if n < 0 {
		return nil
	}

	err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, windows.TCP_KEEPCNT, n)
	runtime.KeepAlive(fd)
	return os.NewSyscallError("setsockopt", err)
}

		default:
			if _, ok := err.(syscall.Errno); ok {
				err = os.NewSyscallError("connectex", err)
			}
			return nil, err
		}
	}
	// Refresh socket properties.
	return nil, os.NewSyscallError("setsockopt", syscall.Setsockopt(fd.pfd.Sysfd, syscall.SOL_SOCKET, syscall.SO_UPDATE_CONNECT_CONTEXT, (*byte)(unsafe.Pointer(&fd.pfd.Sysfd)), int32(unsafe.Sizeof(fd.pfd.Sysfd))))
}

func (c *conn) writeBuffers(v *Buffers) (int64, error) {

          privileged: false
          capabilities:
            drop:
            - ALL
            add: # See https://man7.org/linux/man-pages/man7/capabilities.7.html
            - NET_ADMIN # Required for TPROXY and setsockopt
            - SYS_ADMIN # Required for `setns` - doing things in other netns
            - NET_RAW # Required for RAW/PACKET sockets, TPROXY
          readOnlyRootFilesystem: true
          runAsGroup: 1337

String id=126
	data="runtime.bgscavenge"
String id=127
	data="runtime.(*wakeableSleep).sleep"
String id=128
	data="runtime.traceStartReadCPU.func1"
String id=129
	data="syscall.setsockopt"
String id=130
	data="syscall.SetsockoptInt"
String id=131
	data="internal/poll.(*FD).SetsockoptInt"
String id=132
	data="/usr/local/google/home/mknyszek/work/go-1/src/internal/poll/sockopt.go"

    puts "usage: #{$PROGRAM_NAME} port"
    exit(-1)
end

port = Integer(ARGV[0])

server = WEBrick::HTTPServer.new(
    :BindAddress => '*',
    :Port => port,
    :AcceptCallback => -> (s) { s.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1) },
)

trap 'INT' do server.shutdown end

server.mount_proc '/health' do |req, res|
    res.status = 200
    res.body = {'status' => 'Details is healthy'}.to_json

		CloseFunc(s)
		return "acceptex", err
	}

	// Inherit properties of the listening socket.
	err = syscall.Setsockopt(s, syscall.SOL_SOCKET, syscall.SO_UPDATE_ACCEPT_CONTEXT, (*byte)(unsafe.Pointer(&fd.Sysfd)), int32(unsafe.Sizeof(fd.Sysfd)))
	if err != nil {
		CloseFunc(s)
		return "setsockopt", err
	}

	return "", nil
}

// Accept handles accepting a socket. The sysSocket parameter is used

		{"Getpid", Func, 0},
		{"Getppid", Func, 0},
		{"Getpriority", Func, 0},
		{"Getrlimit", Func, 0},
		{"Getrusage", Func, 0},
		{"Getsid", Func, 0},
		{"Getsockname", Func, 0},
		{"Getsockopt", Func, 1},
		{"GetsockoptByte", Func, 0},
		{"GetsockoptICMPv6Filter", Func, 2},
		{"GetsockoptIPMreq", Func, 0},
		{"GetsockoptIPMreqn", Func, 0},
		{"GetsockoptIPv6MTUInfo", Func, 2},