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path: root/vendor/github.com/kr/pty/pty_linux.go
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Diffstat (limited to 'vendor/github.com/kr/pty/pty_linux.go')
-rw-r--r--vendor/github.com/kr/pty/pty_linux.go46
1 files changed, 0 insertions, 46 deletions
diff --git a/vendor/github.com/kr/pty/pty_linux.go b/vendor/github.com/kr/pty/pty_linux.go
deleted file mode 100644
index cb901a21e..000000000
--- a/vendor/github.com/kr/pty/pty_linux.go
+++ /dev/null
@@ -1,46 +0,0 @@
-package pty
-
-import (
- "os"
- "strconv"
- "syscall"
- "unsafe"
-)
-
-func open() (pty, tty *os.File, err error) {
- p, err := os.OpenFile("/dev/ptmx", os.O_RDWR, 0)
- if err != nil {
- return nil, nil, err
- }
-
- sname, err := ptsname(p)
- if err != nil {
- return nil, nil, err
- }
-
- err = unlockpt(p)
- if err != nil {
- return nil, nil, err
- }
-
- t, err := os.OpenFile(sname, os.O_RDWR|syscall.O_NOCTTY, 0)
- if err != nil {
- return nil, nil, err
- }
- return p, t, nil
-}
-
-func ptsname(f *os.File) (string, error) {
- var n _C_uint
- err := ioctl(f.Fd(), syscall.TIOCGPTN, uintptr(unsafe.Pointer(&n)))
- if err != nil {
- return "", err
- }
- return "/dev/pts/" + strconv.Itoa(int(n)), nil
-}
-
-func unlockpt(f *os.File) error {
- var u _C_int
- // use TIOCSPTLCK with a zero valued arg to clear the slave pty lock
- return ioctl(f.Fd(), syscall.TIOCSPTLCK, uintptr(unsafe.Pointer(&u)))
-}