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package termios
import (
"fmt"
"unsafe"
)
func posix_openpt(oflag int) (fd uintptr, err error) {
// Copied from debian-golang-pty/pty_freebsd.go.
r0, _, e1 := unix.Syscall(unix.SYS_POSIX_OPENPT, uintptr(oflag), 0, 0)
fd = uintptr(r0)
if e1 != 0 {
err = e1
}
return
}
func open_pty_master() (uintptr, error) {
return posix_openpt(unix.O_NOCTTY | unix.O_RDWR | unix.O_CLOEXEC)
}
func Ptsname(fd uintptr) (string, error) {
var n uintptr
err := ioctl(fd, unix.TIOCGPTN, uintptr(unsafe.Pointer(&n)))
if err != nil {
return "", err
}
return fmt.Sprintf("/dev/pts/%d", n), nil
}
func grantpt(fd uintptr) error {
var n uintptr
return ioctl(fd, unix.TIOCGPTN, uintptr(unsafe.Pointer(&n)))
}
func unlockpt(fd uintptr) error {
return nil
}
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