You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
850 B
Go
46 lines
850 B
Go
package termios
|
|
|
|
import (
|
|
"errors"
|
|
"unsafe"
|
|
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
func open_pty_master() (uintptr, error) {
|
|
return open_device("/dev/ptmx")
|
|
}
|
|
|
|
const (
|
|
_IOC_PARAM_SHIFT = 13
|
|
_IOC_PARAM_MASK = (1 << _IOC_PARAM_SHIFT) - 1
|
|
)
|
|
|
|
func _IOC_PARM_LEN(ioctl uintptr) uintptr {
|
|
return (ioctl >> 16) & _IOC_PARAM_MASK
|
|
}
|
|
|
|
func Ptsname(fd uintptr) (string, error) {
|
|
n := make([]byte, _IOC_PARM_LEN(unix.TIOCPTYGNAME))
|
|
|
|
err := ioctl(fd, unix.TIOCPTYGNAME, uintptr(unsafe.Pointer(&n[0])))
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
for i, c := range n {
|
|
if c == 0 {
|
|
return string(n[:i]), nil
|
|
}
|
|
}
|
|
return "", errors.New("TIOCPTYGNAME string not NUL-terminated")
|
|
}
|
|
|
|
func grantpt(fd uintptr) error {
|
|
return unix.IoctlSetInt(int(fd), unix.TIOCPTYGRANT, 0)
|
|
}
|
|
|
|
func unlockpt(fd uintptr) error {
|
|
return unix.IoctlSetInt(int(fd), unix.TIOCPTYUNLK, 0)
|
|
}
|