blob: f0678d2a27ecc0afb9692346b2d7f95e83b243c2 [file] [log] [blame]
package pty
import (
"os"
"os/exec"
"syscall"
)
// Start assigns a pseudo-terminal tty os.File to c.Stdin, c.Stdout,
// and c.Stderr, calls c.Start, and returns the File of the tty's
// corresponding pty.
func Start(c *exec.Cmd) (pty *os.File, err error) {
pty, tty, err := Open()
if err != nil {
return nil, err
}
defer tty.Close()
c.Stdout = tty
c.Stdin = tty
c.Stderr = tty
c.SysProcAttr = &syscall.SysProcAttr{Setctty: true, Setsid: true}
err = c.Start()
if err != nil {
pty.Close()
return nil, err
}
return pty, err
}