// The net argument is a network name from the net package (e.g., "tcp"),
// or "file".
// Set pollable to true if fd should be managed by runtime netpoll.
func (fd *FD) Init(net string, pollable bool) error {
	fd.SysFile.init()

	// We don't actually care about the various network types.
	if net == "file" {
		fd.isFile = true
	}
	if !pollable {
		fd.isBlocking = 1
		return nil
	}
	err := fd.pd.init(fd)
	if err != nil {

				pollable = false
			}

			// In addition to the behavior described above for regular files,
			// on Darwin, kqueue does not work properly with fifos:
			// closing the last writer does not cause a kqueue event
			// for any readers. See issue #24164.
			if (runtime.GOOS == "darwin" || runtime.GOOS == "ios") && typ == syscall.S_IFIFO {
				pollable = false
			}
		}
	}

// Issue #59545.
func TestNonPollable(t *testing.T) {
	if testing.Short() {
		t.Skip("skipping test with tight loops in short mode")
	}

	// We need to open a non-pollable file.
	// This is almost certainly Linux-specific,
	// but if other systems have non-pollable files,
	// we can add them here.
	const nonPollable = "/dev/net/tun"

	f, err := os.OpenFile(nonPollable, os.O_RDWR, 0)
	if err != nil {

		n, err := splice(pipefd, sock.Sysfd, max, spliceNonblock)
		if err == syscall.EINTR {
			continue
		}
		if err != syscall.EAGAIN {
			return n, err
		}
		if sock.pd.pollable() {
			if err := sock.pd.waitRead(sock.isFile); err != nil {
				return n, err
			}
		}
	}
}

// splicePump moves all the buffered data from a pipe to a socket.
//

	return pd.wait('w', isFile)
}

func (pd *pollDesc) waitCanceled(mode int) {
	if pd.runtimeCtx == 0 {
		return
	}
	runtime_pollWaitCanceled(pd.runtimeCtx, mode)
}

func (pd *pollDesc) pollable() bool {
	return pd.runtimeCtx != 0
}

// Error values returned by runtime_pollReset and runtime_pollWait.
// These must match the values in runtime/netpoll.go.
const (
	pollNoError        = 0

// This can be called multiple times on a single FD.
// The net argument is a network name from the net package (e.g., "tcp"),
// or "file" or "console" or "dir".
// Set pollable to true if fd should be managed by runtime netpoll.
func (fd *FD) Init(net string, pollable bool) (string, error) {
	if initErr != nil {
		return "", initErr
	}

	switch net {
	case "file", "dir":
		fd.kind = kindFile
	case "console":

	if err := fd.incref(); err != nil {
		return 0, err
	}
	defer fd.decref()
	for {
		n, err := syscall.ReadDir(fd.Sysfd, buf, cookie)
		if err != nil {
			n = 0
			if err == syscall.EAGAIN && fd.pd.pollable() {
				if err = fd.pd.waitRead(fd.isFile); err == nil {
					continue
				}
			}
		}
		// Do not call eofError; caller does not expect to see io.EOF.
		return n, err
	}
}

	num  Signal
	name string
	desc string
}{
	{1, "SIGHUP", "hangup"},
	{2, "SIGINT", "interrupt"},
	{3, "SIGABT", "aborted"},
	{4, "SIGILL", "illegal instruction"},
	{5, "SIGPOLL", "pollable event"},
	{6, "SIGURG", "urgent I/O condition"},
	{7, "SIGSTOP", "stop process"},
	{8, "SIGFPE", "floating point exception"},
	{9, "SIGKILL", "killed"},
	{10, "SIGBUS", "bus error"},

	15: "terminated",
	16: "user Signal 1",
	17: "user Signal 2",
	18: "child Status Changed",
	19: "power-Fail/Restart",
	20: "window Size Change",
	21: "urgent Socket Condition",
	22: "pollable Event",
	23: "stopped (signal)",
	24: "stopped (user)",
	25: "continued",
	26: "stopped (tty input)",
	27: "stopped (tty output)",
	28: "virtual Timer Expired",
	29: "profiling Timer Expired",

    Callable<@Nullable Void> callable =
        new Callable<@Nullable Void>() {
          @Override
          public @Nullable Void call() throws Exception {
            assertEquals(Thread.currentThread().getName(), newName.get());
            return null;
          }
        };
    Callables.threadRenaming(callable, newName).call();