Golang utils.Go函數代碼示例

func (cli *DockerCli) hijack(method, path string, setRawTerminal bool, in *os.File, out io.Writer) error {

	req, err := http.NewRequest(method, fmt.Sprintf("/v%g%s", APIVERSION, path), nil)
	if err != nil {
		return err
	}
	req.Header.Set("User-Agent", "Docker-Client/"+VERSION)
	req.Header.Set("Content-Type", "plain/text")

	dial, err := net.Dial(cli.proto, cli.addr)
	if err != nil {
		return err
	}
	clientconn := httputil.NewClientConn(dial, nil)
	defer clientconn.Close()

	// Server hijacks the connection, error 'connection closed' expected
	clientconn.Do(req)

	rwc, br := clientconn.Hijack()
	defer rwc.Close()

	receiveStdout := utils.Go(func() error {
		_, err := io.Copy(out, br)
		return err
	})

	if in != nil && setRawTerminal && term.IsTerminal(in.Fd()) && os.Getenv("NORAW") == "" {
		oldState, err := term.SetRawTerminal()
		if err != nil {
			return err
		}
		defer term.RestoreTerminal(oldState)
	}
	sendStdin := utils.Go(func() error {
		io.Copy(rwc, in)
		if err := rwc.(*net.TCPConn).CloseWrite(); err != nil {
			utils.Debugf("Couldn't send EOF: %s\n", err)
		}
		// Discard errors due to pipe interruption
		return nil
	})

	if err := <-receiveStdout; err != nil {
		utils.Debugf("Error receiveStdout: %s", err)
		return err
	}

	if !term.IsTerminal(in.Fd()) {
		if err := <-sendStdin; err != nil {
			utils.Debugf("Error sendStdin: %s", err)
			return err
		}
	}
	return nil

}

func (c *client) hijack(method, path string, in io.ReadCloser, stdout, stderr io.Writer) error {
	path = fmt.Sprintf("/%s%s", c.version, path)
	dial, err := c.transport.Dial("ignored", "ignored")
	if err != nil {
		return err
	}
	req, err := http.NewRequest(method, path, nil)
	if err != nil {
		return err
	}

	clientconn := httputil.NewClientConn(dial, nil)
	defer clientconn.Close()

	clientconn.Do(req)

	rwc, br := clientconn.Hijack()
	defer rwc.Close()

	receiveStdout := dockerutils.Go(func() (err error) {
		defer func() {
			if in != nil {
				in.Close()
			}
		}()
		_, err = dockerutils.StdCopy(stdout, stderr, br)
		dockerutils.Debugf("[hijack] End of stdout")
		return err
	})
	sendStdin := dockerutils.Go(func() error {
		if in != nil {
			io.Copy(rwc, in)
			dockerutils.Debugf("[hijack] End of stdin")
		}
		if tcpc, ok := rwc.(*net.TCPConn); ok {
			if err := tcpc.CloseWrite(); err != nil {
				dockerutils.Debugf("Couldn't send EOF: %s", err)
			}
		} else if unixc, ok := rwc.(*net.UnixConn); ok {
			if err := unixc.CloseWrite(); err != nil {
				dockerutils.Debugf("Couldn't send EOF: %s", err)
			}
		}
		// Discard errors due to pipe interruption
		return nil
	})
	if err := <-receiveStdout; err != nil {
		dockerutils.Debugf("Error receiveStdout: %s", err)
		return err
	}

	if err := <-sendStdin; err != nil {
		dockerutils.Debugf("Error sendStdin: %s", err)
		return err
	}
	return nil
}

func (cli *DockerCli) hijack(method, path string, setRawTerminal bool) error {
	req, err := http.NewRequest(method, path, nil)
	if err != nil {
		return err
	}
	req.Header.Set("Content-Type", "plain/text")
	dial, err := net.Dial("tcp", fmt.Sprintf("%s:%d", cli.host, cli.port))
	if err != nil {
		return err
	}
	clientconn := httputil.NewClientConn(dial, nil)
	clientconn.Do(req)
	defer clientconn.Close()

	rwc, br := clientconn.Hijack()
	defer rwc.Close()

	receiveStdout := utils.Go(func() error {
		_, err := io.Copy(os.Stdout, br)
		return err
	})

	if setRawTerminal && term.IsTerminal(int(os.Stdin.Fd())) && os.Getenv("NORAW") == "" {
		if oldState, err := term.SetRawTerminal(); err != nil {
			return err
		} else {
			defer term.RestoreTerminal(oldState)
		}
	}

	sendStdin := utils.Go(func() error {
		_, err := io.Copy(rwc, os.Stdin)
		if err := rwc.(*net.TCPConn).CloseWrite(); err != nil {
			fmt.Fprintf(os.Stderr, "Couldn't send EOF: %s\n", err)
		}
		return err
	})

	if err := <-receiveStdout; err != nil {
		return err
	}

	if !term.IsTerminal(int(os.Stdin.Fd())) {
		if err := <-sendStdin; err != nil {
			return err
		}
	}
	return nil

}

func (b *buildFile) run(c *runtime.Container) error {
	var errCh chan error

	if b.verbose {
		errCh = utils.Go(func() error {
			return <-c.Attach(nil, nil, b.outStream, b.errStream)
		})
	}

	//start the container
	if err := c.Start(); err != nil {
		return err
	}

	if errCh != nil {
		if err := <-errCh; err != nil {
			return err
		}
	}

	// Wait for it to finish
	if ret := c.Wait(); ret != 0 {
		err := &utils.JSONError{
			Message: fmt.Sprintf("The command %v returned a non-zero code: %d", b.config.Cmd, ret),
			Code:    ret,
		}
		return err
	}

	return nil
}

func (container *Container) waitForStart() error {
	callbackLock := make(chan struct{})
	callback := func(command *execdriver.Command) {
		container.State.SetRunning(command.Pid())
		if command.Tty {
			// The callback is called after the process Start()
			// so we are in the parent process. In TTY mode, stdin/out/err is the PtySlace
			// which we close here.
			if c, ok := command.Stdout.(io.Closer); ok {
				c.Close()
			}
		}
		if err := container.ToDisk(); err != nil {
			utils.Debugf("%s", err)
		}
		close(callbackLock)
	}

	// We use a callback here instead of a goroutine and an chan for
	// syncronization purposes
	cErr := utils.Go(func() error { return container.monitor(callback) })

	// Start should not return until the process is actually running
	select {
	case <-callbackLock:
	case err := <-cErr:
		return err
	}
	return nil
}

func (b *buildFile) run() (string, error) {
	if b.image == "" {
		return "", fmt.Errorf("Please provide a source image with `from` prior to run")
	}
	b.config.Image = b.image

	// Create the container and start it
	c, _, err := b.runtime.Create(b.config, "")
	if err != nil {
		return "", err
	}
	b.tmpContainers[c.ID] = struct{}{}
	if b.sf.Used() {
		b.out.Write(b.sf.FormatStatus("", " ---> Running in %s", utils.TruncateID(c.ID)))
	} else {
		fmt.Fprintf(b.out, " ---> Running in %s\n", utils.TruncateID(c.ID))
	}
	// override the entry point that may have been picked up from the base image
	c.Path = b.config.Cmd[0]
	c.Args = b.config.Cmd[1:]

	var errCh chan error

	if b.verbose {
		errCh = utils.Go(func() error {
			return <-c.Attach(nil, nil, b.out, b.out)
		})
	}

	//start the container
	if err := c.Start(); err != nil {
		return "", err
	}

	if errCh != nil {
		if err := <-errCh; err != nil {
			return "", err
		}
	}

	// Wait for it to finish
	if ret := c.Wait(); ret != 0 {
		err := &utils.JSONError{
			Message: fmt.Sprintf("The command %v returned a non-zero code: %d", b.config.Cmd, ret),
			Code:    ret,
		}
		return "", err
	}

	return c.ID, nil
}

// CopyFileWithTar emulates the behavior of the 'cp' command-line
// for a single file. It copies a regular file from path `src` to
// path `dst`, and preserves all its metadata.
//
// If `dst` ends with a trailing slash '/', the final destination path
// will be `dst/base(src)`.
func CopyFileWithTar(src, dst string) (err error) {
	utils.Debugf("CopyFileWithTar(%s, %s)", src, dst)
	srcSt, err := os.Stat(src)
	if err != nil {
		return err
	}
	if srcSt.IsDir() {
		return fmt.Errorf("Can't copy a directory")
	}
	// Clean up the trailing /
	if dst[len(dst)-1] == '/' {
		dst = path.Join(dst, filepath.Base(src))
	}
	// Create the holding directory if necessary
	if err := os.MkdirAll(filepath.Dir(dst), 0700); err != nil && !os.IsExist(err) {
		return err
	}

	r, w := io.Pipe()
	errC := utils.Go(func() error {
		defer w.Close()

		srcF, err := os.Open(src)
		if err != nil {
			return err
		}
		defer srcF.Close()

		tw := tar.NewWriter(w)
		hdr, err := tar.FileInfoHeader(srcSt, "")
		if err != nil {
			return err
		}
		hdr.Name = filepath.Base(dst)
		if err := tw.WriteHeader(hdr); err != nil {
			return err
		}
		if _, err := io.Copy(tw, srcF); err != nil {
			return err
		}
		tw.Close()
		return nil
	})
	defer func() {
		if er := <-errC; err != nil {
			err = er
		}
	}()
	return Untar(r, filepath.Dir(dst), nil)
}

//.........這裏部分代碼省略.........
		if err := os.MkdirAll(path.Join(root, container.Config.WorkingDir), 0755); err != nil {
			return nil
		}
	}

	envPath, err := container.EnvConfigPath()
	if err != nil {
		return err
	}

	// Mount docker specific files into the containers root fs
	if err := mount.Mount(runtime.sysInitPath, path.Join(root, "/.dockerinit"), "none", "bind,ro"); err != nil {
		return err
	}
	if err := mount.Mount(envPath, path.Join(root, "/.dockerenv"), "none", "bind,ro"); err != nil {
		return err
	}
	if err := mount.Mount(container.ResolvConfPath, path.Join(root, "/etc/resolv.conf"), "none", "bind,ro"); err != nil {
		return err
	}

	if container.HostnamePath != "" && container.HostsPath != "" {
		if err := mount.Mount(container.HostnamePath, path.Join(root, "/etc/hostname"), "none", "bind,ro"); err != nil {
			return err
		}
		if err := mount.Mount(container.HostsPath, path.Join(root, "/etc/hosts"), "none", "bind,ro"); err != nil {
			return err
		}
	}

	// Mount user specified volumes
	for r, v := range container.Volumes {
		mountAs := "ro"
		if container.VolumesRW[r] {
			mountAs = "rw"
		}

		r = path.Join(root, r)
		if p, err := utils.FollowSymlinkInScope(r, root); err != nil {
			return err
		} else {
			r = p
		}

		if err := mount.Mount(v, r, "none", fmt.Sprintf("bind,%s", mountAs)); err != nil {
			return err
		}
	}

	populateCommand(container)

	// Setup logging of stdout and stderr to disk
	if err := container.runtime.LogToDisk(container.stdout, container.logPath("json"), "stdout"); err != nil {
		return err
	}
	if err := container.runtime.LogToDisk(container.stderr, container.logPath("json"), "stderr"); err != nil {
		return err
	}
	container.waitLock = make(chan struct{})

	// Setuping pipes and/or Pty
	var setup func() error
	if container.Config.Tty {
		setup = container.setupPty
	} else {
		setup = container.setupStd
	}
	if err := setup(); err != nil {
		return err
	}

	callbackLock := make(chan struct{})
	callback := func(command *execdriver.Command) {
		container.State.SetRunning(command.Pid())
		if command.Tty {
			// The callback is called after the process Start()
			// so we are in the parent process. In TTY mode, stdin/out/err is the PtySlace
			// which we close here.
			if c, ok := command.Stdout.(io.Closer); ok {
				c.Close()
			}
		}
		if err := container.ToDisk(); err != nil {
			utils.Debugf("%s", err)
		}
		close(callbackLock)
	}

	// We use a callback here instead of a goroutine and an chan for
	// syncronization purposes
	cErr := utils.Go(func() error { return container.monitor(callback) })

	// Start should not return until the process is actually running
	select {
	case <-callbackLock:
	case err := <-cErr:
		return err
	}
	return nil
}

//.........這裏部分代碼省略.........
		if p, err := container.StdoutPipe(); err != nil {
			errors <- err
		} else {
			cStdout = p
			go func() {
				utils.Debugf("attach: stdout: begin")
				defer utils.Debugf("attach: stdout: end")
				// If we are in StdinOnce mode, then close stdin
				if container.Config.StdinOnce && stdin != nil {
					defer stdin.Close()
				}
				if stdinCloser != nil {
					defer stdinCloser.Close()
				}
				_, err := io.Copy(stdout, cStdout)
				if err == io.ErrClosedPipe {
					err = nil
				}
				if err != nil {
					utils.Errorf("attach: stdout: %s", err)
				}
				errors <- err
			}()
		}
	} else {
		go func() {
			if stdinCloser != nil {
				defer stdinCloser.Close()
			}
			if cStdout, err := container.StdoutPipe(); err != nil {
				utils.Errorf("attach: stdout pipe: %s", err)
			} else {
				io.Copy(&utils.NopWriter{}, cStdout)
			}
		}()
	}
	if stderr != nil {
		nJobs += 1
		if p, err := container.StderrPipe(); err != nil {
			errors <- err
		} else {
			cStderr = p
			go func() {
				utils.Debugf("attach: stderr: begin")
				defer utils.Debugf("attach: stderr: end")
				// If we are in StdinOnce mode, then close stdin
				if container.Config.StdinOnce && stdin != nil {
					defer stdin.Close()
				}
				if stdinCloser != nil {
					defer stdinCloser.Close()
				}
				_, err := io.Copy(stderr, cStderr)
				if err == io.ErrClosedPipe {
					err = nil
				}
				if err != nil {
					utils.Errorf("attach: stderr: %s", err)
				}
				errors <- err
			}()
		}
	} else {
		go func() {
			if stdinCloser != nil {
				defer stdinCloser.Close()
			}

			if cStderr, err := container.StderrPipe(); err != nil {
				utils.Errorf("attach: stdout pipe: %s", err)
			} else {
				io.Copy(&utils.NopWriter{}, cStderr)
			}
		}()
	}

	return utils.Go(func() error {
		defer func() {
			if cStdout != nil {
				cStdout.Close()
			}
			if cStderr != nil {
				cStderr.Close()
			}
		}()

		// FIXME: how to clean up the stdin goroutine without the unwanted side effect
		// of closing the passed stdin? Add an intermediary io.Pipe?
		for i := 0; i < nJobs; i += 1 {
			utils.Debugf("attach: waiting for job %d/%d", i+1, nJobs)
			if err := <-errors; err != nil {
				utils.Errorf("attach: job %d returned error %s, aborting all jobs", i+1, err)
				return err
			}
			utils.Debugf("attach: job %d completed successfully", i+1)
		}
		utils.Debugf("attach: all jobs completed successfully")
		return nil
	})
}

//.........這裏部分代碼省略.........
			link, err := links.NewLink(
				container.NetworkSettings.IPAddress,
				child.NetworkSettings.IPAddress,
				linkAlias,
				child.Config.Env,
				child.Config.ExposedPorts,
				runtime.eng)

			if err != nil {
				rollback()
				return err
			}

			container.activeLinks[link.Alias()] = link
			if err := link.Enable(); err != nil {
				rollback()
				return err
			}

			for _, envVar := range link.ToEnv() {
				env = append(env, envVar)
			}
		}
	}

	// because the env on the container can override certain default values
	// we need to replace the 'env' keys where they match and append anything
	// else.
	env = utils.ReplaceOrAppendEnvValues(env, container.Config.Env)
	if err := container.generateEnvConfig(env); err != nil {
		return err
	}

	if container.Config.WorkingDir != "" {
		container.Config.WorkingDir = path.Clean(container.Config.WorkingDir)

		pthInfo, err := os.Stat(path.Join(container.basefs, container.Config.WorkingDir))
		if err != nil {
			if !os.IsNotExist(err) {
				return err
			}
			if err := os.MkdirAll(path.Join(container.basefs, container.Config.WorkingDir), 0755); err != nil {
				return err
			}
		}
		if pthInfo != nil && !pthInfo.IsDir() {
			return fmt.Errorf("Cannot mkdir: %s is not a directory", container.Config.WorkingDir)
		}
	}

	envPath, err := container.EnvConfigPath()
	if err != nil {
		return err
	}

	populateCommand(container)
	container.command.Env = env

	if err := setupMountsForContainer(container, envPath); err != nil {
		return err
	}

	// Setup logging of stdout and stderr to disk
	if err := container.runtime.LogToDisk(container.stdout, container.logPath("json"), "stdout"); err != nil {
		return err
	}
	if err := container.runtime.LogToDisk(container.stderr, container.logPath("json"), "stderr"); err != nil {
		return err
	}
	container.waitLock = make(chan struct{})

	callbackLock := make(chan struct{})
	callback := func(command *execdriver.Command) {
		container.State.SetRunning(command.Pid())
		if command.Tty {
			// The callback is called after the process Start()
			// so we are in the parent process. In TTY mode, stdin/out/err is the PtySlace
			// which we close here.
			if c, ok := command.Stdout.(io.Closer); ok {
				c.Close()
			}
		}
		if err := container.ToDisk(); err != nil {
			utils.Debugf("%s", err)
		}
		close(callbackLock)
	}

	// We use a callback here instead of a goroutine and an chan for
	// syncronization purposes
	cErr := utils.Go(func() error { return container.monitor(callback) })

	// Start should not return until the process is actually running
	select {
	case <-callbackLock:
	case err := <-cErr:
		return err
	}
	return nil
}

func (cli *DockerCli) hijack(method, path string, setRawTerminal bool, in io.ReadCloser, out io.Writer) error {

	req, err := http.NewRequest(method, fmt.Sprintf("/v%g%s", APIVERSION, path), nil)
	if err != nil {
		return err
	}
	req.Header.Set("User-Agent", "Docker-Client/"+VERSION)
	req.Header.Set("Content-Type", "plain/text")
	req.Host = cli.addr

	dial, err := net.Dial(cli.proto, cli.addr)
	if err != nil {
		if strings.Contains(err.Error(), "connection refused") {
			return fmt.Errorf("Can't connect to docker daemon. Is 'docker -d' running on this host?")
		}
		return err
	}
	clientconn := httputil.NewClientConn(dial, nil)
	defer clientconn.Close()

	// Server hijacks the connection, error 'connection closed' expected
	clientconn.Do(req)

	rwc, br := clientconn.Hijack()
	defer rwc.Close()

	var receiveStdout (chan error)
	if out != nil {
		receiveStdout = utils.Go(func() error {
			_, err := io.Copy(out, br)
			utils.Debugf("[hijack] End of stdout")
			return err
		})
	}

	if in != nil && setRawTerminal && cli.isTerminal && os.Getenv("NORAW") == "" {
		oldState, err := term.SetRawTerminal(cli.terminalFd)
		if err != nil {
			return err
		}
		defer term.RestoreTerminal(cli.terminalFd, oldState)
	}

	sendStdin := utils.Go(func() error {
		if in != nil {
			io.Copy(rwc, in)
			utils.Debugf("[hijack] End of stdin")
		}
		if tcpc, ok := rwc.(*net.TCPConn); ok {
			if err := tcpc.CloseWrite(); err != nil {
				utils.Debugf("Couldn't send EOF: %s\n", err)
			}
		} else if unixc, ok := rwc.(*net.UnixConn); ok {
			if err := unixc.CloseWrite(); err != nil {
				utils.Debugf("Couldn't send EOF: %s\n", err)
			}
		}
		// Discard errors due to pipe interruption
		return nil
	})

	if out != nil {
		if err := <-receiveStdout; err != nil {
			utils.Debugf("Error receiveStdout: %s", err)
			return err
		}
	}

	if !cli.isTerminal {
		if err := <-sendStdin; err != nil {
			utils.Debugf("Error sendStdin: %s", err)
			return err
		}
	}
	return nil

}

func (container *Container) Attach(stdin io.ReadCloser, stdinCloser io.Closer, stdout io.Writer, stderr io.Writer) chan error {
	var cStdout, cStderr io.ReadCloser

	var nJobs int
	errors := make(chan error, 3)
	if stdin != nil && container.Config.OpenStdin {
		nJobs += 1
		if cStdin, err := container.StdinPipe(); err != nil {
			errors <- err
		} else {
			go func() {
				utils.Debugf("[start] attach stdin\n")
				defer utils.Debugf("[end] attach stdin\n")
				// No matter what, when stdin is closed (io.Copy unblock), close stdout and stderr
				if cStdout != nil {
					defer cStdout.Close()
				}
				if cStderr != nil {
					defer cStderr.Close()
				}
				if container.Config.StdinOnce && !container.Config.Tty {
					defer cStdin.Close()
				}
				if container.Config.Tty {
					_, err = utils.CopyEscapable(cStdin, stdin)
				} else {
					_, err = io.Copy(cStdin, stdin)
				}
				if err != nil {
					utils.Debugf("[error] attach stdin: %s\n", err)
				}
				// Discard error, expecting pipe error
				errors <- nil
			}()
		}
	}
	if stdout != nil {
		nJobs += 1
		if p, err := container.StdoutPipe(); err != nil {
			errors <- err
		} else {
			cStdout = p
			go func() {
				utils.Debugf("[start] attach stdout\n")
				defer utils.Debugf("[end]  attach stdout\n")
				// If we are in StdinOnce mode, then close stdin
				if container.Config.StdinOnce {
					if stdin != nil {
						defer stdin.Close()
					}
					if stdinCloser != nil {
						defer stdinCloser.Close()
					}
				}
				_, err := io.Copy(stdout, cStdout)
				if err != nil {
					utils.Debugf("[error] attach stdout: %s\n", err)
				}
				errors <- err
			}()
		}
	}
	if stderr != nil {
		nJobs += 1
		if p, err := container.StderrPipe(); err != nil {
			errors <- err
		} else {
			cStderr = p
			go func() {
				utils.Debugf("[start] attach stderr\n")
				defer utils.Debugf("[end]  attach stderr\n")
				// If we are in StdinOnce mode, then close stdin
				if container.Config.StdinOnce {
					if stdin != nil {
						defer stdin.Close()
					}
					if stdinCloser != nil {
						defer stdinCloser.Close()
					}
				}
				_, err := io.Copy(stderr, cStderr)
				if err != nil {
					utils.Debugf("[error] attach stderr: %s\n", err)
				}
				errors <- err
			}()
		}
	}
	return utils.Go(func() error {
		if cStdout != nil {
			defer cStdout.Close()
		}
		if cStderr != nil {
			defer cStderr.Close()
		}
		// FIXME: how do clean up the stdin goroutine without the unwanted side effect
		// of closing the passed stdin? Add an intermediary io.Pipe?
		for i := 0; i < nJobs; i += 1 {
			utils.Debugf("Waiting for job %d/%d\n", i+1, nJobs)
			if err := <-errors; err != nil {
//.........這裏部分代碼省略.........

func (cli *DockerCli) hijack(method, path string, setRawTerminal bool, in io.ReadCloser, stdout, stderr io.Writer, started chan io.Closer) error {
	defer func() {
		if started != nil {
			close(started)
		}
	}()

	req, err := http.NewRequest(method, fmt.Sprintf("/v%s%s", api.APIVERSION, path), nil)
	if err != nil {
		return err
	}
	req.Header.Set("User-Agent", "Docker-Client/"+dockerversion.VERSION)
	req.Header.Set("Content-Type", "plain/text")
	req.Host = cli.addr

	dial, err := cli.dial()
	if err != nil {
		if strings.Contains(err.Error(), "connection refused") {
			return fmt.Errorf("Cannot connect to the Docker daemon. Is 'docker -d' running on this host?")
		}
		return err
	}
	clientconn := httputil.NewClientConn(dial, nil)
	defer clientconn.Close()

	// Server hijacks the connection, error 'connection closed' expected
	clientconn.Do(req)

	rwc, br := clientconn.Hijack()
	defer rwc.Close()

	if started != nil {
		started <- rwc
	}

	var receiveStdout chan error

	var oldState *term.State

	if in != nil && setRawTerminal && cli.isTerminal && os.Getenv("NORAW") == "" {
		oldState, err = term.SetRawTerminal(cli.terminalFd)
		if err != nil {
			return err
		}
		defer term.RestoreTerminal(cli.terminalFd, oldState)
	}

	if stdout != nil || stderr != nil {
		receiveStdout = utils.Go(func() (err error) {
			defer func() {
				if in != nil {
					if setRawTerminal && cli.isTerminal {
						term.RestoreTerminal(cli.terminalFd, oldState)
					}
					// For some reason this Close call blocks on darwin..
					// As the client exists right after, simply discard the close
					// until we find a better solution.
					if runtime.GOOS != "darwin" {
						in.Close()
					}
				}
			}()

			// When TTY is ON, use regular copy
			if setRawTerminal && stdout != nil {
				_, err = io.Copy(stdout, br)
			} else {
				_, err = utils.StdCopy(stdout, stderr, br)
			}
			utils.Debugf("[hijack] End of stdout")
			return err
		})
	}

	sendStdin := utils.Go(func() error {
		if in != nil {
			io.Copy(rwc, in)
			utils.Debugf("[hijack] End of stdin")
		}
		if tcpc, ok := rwc.(*net.TCPConn); ok {
			if err := tcpc.CloseWrite(); err != nil {
				utils.Debugf("Couldn't send EOF: %s\n", err)
			}
		} else if unixc, ok := rwc.(*net.UnixConn); ok {
			if err := unixc.CloseWrite(); err != nil {
				utils.Debugf("Couldn't send EOF: %s\n", err)
			}
		}
		// Discard errors due to pipe interruption
		return nil
	})

	if stdout != nil || stderr != nil {
		if err := <-receiveStdout; err != nil {
			utils.Debugf("Error receiveStdout: %s", err)
			return err
		}
	}

	if !cli.isTerminal {
//.........這裏部分代碼省略.........