Browse code
Update vendor for kr/pty
Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume.charmes@docker.com> (github: creack)
Guillaume J. Charmes authored on 2014/03/11 05:21:30Showing 3 changed files
- vendor/src/github.com/kr/pty/doc.go
- vendor/src/github.com/kr/pty/pty_freebsd.go
- vendor/src/github.com/kr/pty/pty_unsupported.go
| ... | ... |
@@ -2,9 +2,14 @@ |
| 2 | 2 |
package pty |
| 3 | 3 |
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| 4 | 4 |
import ( |
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+ "errors" |
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"os" |
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) |
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+// ErrUnsupported is returned if a function is not |
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+// available on the current platform. |
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+var ErrUnsupported = errors.New("unsupported")
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+ |
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// Opens a pty and its corresponding tty. |
| 9 | 14 |
func Open() (pty, tty *os.File, err error) {
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| 10 | 15 |
return open() |
| 11 | 16 |
new file mode 100644 |
| ... | ... |
@@ -0,0 +1,53 @@ |
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+package pty |
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+ |
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+import ( |
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+ "os" |
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+ "strconv" |
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+ "syscall" |
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+ "unsafe" |
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+) |
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+ |
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+const ( |
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+ sys_TIOCGPTN = 0x4004740F |
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+ sys_TIOCSPTLCK = 0x40045431 |
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+) |
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+ |
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+func open() (pty, tty *os.File, err error) {
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+ p, err := os.OpenFile("/dev/ptmx", os.O_RDWR, 0)
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+ if err != nil {
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+ return nil, nil, err |
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+ } |
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+ |
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+ sname, err := ptsname(p) |
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+ if err != nil {
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+ return nil, nil, err |
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+ } |
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+ |
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+ t, err := os.OpenFile(sname, os.O_RDWR|syscall.O_NOCTTY, 0) |
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+ if err != nil {
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+ return nil, nil, err |
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+ } |
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+ return p, t, nil |
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+} |
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+ |
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+func ptsname(f *os.File) (string, error) {
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+ var n int |
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+ err := ioctl(f.Fd(), sys_TIOCGPTN, &n) |
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+ if err != nil {
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+ return "", err |
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+ } |
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+ return "/dev/pts/" + strconv.Itoa(n), nil |
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+} |
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+ |
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+func ioctl(fd uintptr, cmd uintptr, data *int) error {
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+ _, _, e := syscall.Syscall( |
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+ syscall.SYS_IOCTL, |
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+ fd, |
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+ cmd, |
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+ uintptr(unsafe.Pointer(data)), |
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+ ) |
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+ if e != 0 {
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+ return syscall.ENOTTY |
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+ } |
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+ return nil |
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+} |
| 0 | 53 |
new file mode 100644 |
| ... | ... |
@@ -0,0 +1,27 @@ |
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+// +build !linux,!darwin,!freebsd |
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+ |
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+package pty |
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+ |
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+import ( |
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+ "os" |
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+) |
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+ |
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+func open() (pty, tty *os.File, err error) {
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+ return nil, nil, ErrUnsupported |
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+} |
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+ |
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+func ptsname(f *os.File) (string, error) {
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+ return "", ErrUnsupported |
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+} |
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+ |
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+func grantpt(f *os.File) error {
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+ return ErrUnsupported |
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+} |
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+ |
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+func unlockpt(f *os.File) error {
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+ return ErrUnsupported |
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+} |
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+ |
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+func ioctl(fd, cmd, ptr uintptr) error {
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+ return ErrUnsupported |
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+} |