42 lines
1.2 KiB
Go
42 lines
1.2 KiB
Go
// +build darwin freebsd openbsd netbsd
|
|
|
|
package term // import "github.com/docker/docker/pkg/term"
|
|
|
|
import (
|
|
"unsafe"
|
|
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
const (
|
|
getTermios = unix.TIOCGETA
|
|
setTermios = unix.TIOCSETA
|
|
)
|
|
|
|
// Termios is the Unix API for terminal I/O.
|
|
type Termios unix.Termios
|
|
|
|
// MakeRaw put the terminal connected to the given file descriptor into raw
|
|
// mode and returns the previous state of the terminal so that it can be
|
|
// restored.
|
|
func MakeRaw(fd uintptr) (*State, error) {
|
|
var oldState State
|
|
if _, _, err := unix.Syscall(unix.SYS_IOCTL, fd, getTermios, uintptr(unsafe.Pointer(&oldState.termios))); err != 0 {
|
|
return nil, err
|
|
}
|
|
|
|
newState := oldState.termios
|
|
newState.Iflag &^= (unix.IGNBRK | unix.BRKINT | unix.PARMRK | unix.ISTRIP | unix.INLCR | unix.IGNCR | unix.ICRNL | unix.IXON)
|
|
newState.Oflag &^= unix.OPOST
|
|
newState.Lflag &^= (unix.ECHO | unix.ECHONL | unix.ICANON | unix.ISIG | unix.IEXTEN)
|
|
newState.Cflag &^= (unix.CSIZE | unix.PARENB)
|
|
newState.Cflag |= unix.CS8
|
|
newState.Cc[unix.VMIN] = 1
|
|
newState.Cc[unix.VTIME] = 0
|
|
|
|
if _, _, err := unix.Syscall(unix.SYS_IOCTL, fd, setTermios, uintptr(unsafe.Pointer(&newState))); err != 0 {
|
|
return nil, err
|
|
}
|
|
|
|
return &oldState, nil
|
|
}
|