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[pkg/term] Refactor BSD-specific files 

Signed-off-by: Tibor Vass <tibor@docker.com>
This commit is contained in:
Tibor Vass 2017-05-15 18:42:02 -07:00 committed by Christopher Jones
parent f30b072b81
commit f8416e82d9
5 changed files with 43 additions and 219 deletions
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42
pkg/term/termios_bsd.go Normal file
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@ -0,0 +1,42 @@
// +build darwin freebsd openbsd
package 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
}

70
pkg/term/termios_darwin.go
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@ -1,70 +0,0 @@
package term
import (
"unsafe"
"golang.org/x/sys/unix"
)
const (
getTermios = unix.TIOCGETA
setTermios = unix.TIOCSETA
)
// Termios magic numbers, passthrough to the ones defined in unix.
const (
IGNBRK = unix.IGNBRK
PARMRK = unix.PARMRK
INLCR = unix.INLCR
IGNCR = unix.IGNCR
ECHONL = unix.ECHONL
CSIZE = unix.CSIZE
ICRNL = unix.ICRNL
ISTRIP = unix.ISTRIP
PARENB = unix.PARENB
ECHO = unix.ECHO
ICANON = unix.ICANON
ISIG = unix.ISIG
IXON = unix.IXON
BRKINT = unix.BRKINT
INPCK = unix.INPCK
OPOST = unix.OPOST
CS8 = unix.CS8
IEXTEN = unix.IEXTEN
)
// Termios is the Unix API for terminal I/O.
type Termios struct {
Iflag uint64
Oflag uint64
Cflag uint64
Lflag uint64
Cc [20]byte
Ispeed uint64
Ospeed uint64
}
// 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, uintptr(getTermios), uintptr(unsafe.Pointer(&oldState.termios))); err != 0 {
return nil, err
}
newState := oldState.termios
newState.Iflag &^= (IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON)
newState.Oflag &^= OPOST
newState.Lflag &^= (ECHO | ECHONL | ICANON | ISIG | IEXTEN)
newState.Cflag &^= (CSIZE | PARENB)
newState.Cflag |= CS8
newState.Cc[unix.VMIN] = 1
newState.Cc[unix.VTIME] = 0
if _, _, err := unix.Syscall(unix.SYS_IOCTL, fd, uintptr(setTermios), uintptr(unsafe.Pointer(&newState))); err != 0 {
return nil, err
}
return &oldState, nil
}

70
pkg/term/termios_freebsd.go
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@ -1,70 +0,0 @@
package term
import (
"unsafe"
"golang.org/x/sys/unix"
)
const (
getTermios = unix.TIOCGETA
setTermios = unix.TIOCSETA
)
// Termios magic numbers, passthrough to the ones defined in unix.
const (
IGNBRK = unix.IGNBRK
PARMRK = unix.PARMRK
INLCR = unix.INLCR
IGNCR = unix.IGNCR
ECHONL = unix.ECHONL
CSIZE = unix.CSIZE
ICRNL = unix.ICRNL
ISTRIP = unix.ISTRIP
PARENB = unix.PARENB
ECHO = unix.ECHO
ICANON = unix.ICANON
ISIG = unix.ISIG
IXON = unix.IXON
BRKINT = unix.BRKINT
INPCK = unix.INPCK
OPOST = unix.OPOST
CS8 = unix.CS8
IEXTEN = unix.IEXTEN
)
// Termios is the Unix API for terminal I/O.
type Termios struct {
Iflag uint32
Oflag uint32
Cflag uint32
Lflag uint32
Cc [20]byte
Ispeed uint32
Ospeed uint32
}
// 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, uintptr(getTermios), uintptr(unsafe.Pointer(&oldState.termios))); err != 0 {
return nil, err
}
newState := oldState.termios
newState.Iflag &^= (IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON)
newState.Oflag &^= OPOST
newState.Lflag &^= (ECHO | ECHONL | ICANON | ISIG | IEXTEN)
newState.Cflag &^= (CSIZE | PARENB)
newState.Cflag |= CS8
newState.Cc[unix.VMIN] = 1
newState.Cc[unix.VTIME] = 0
if _, _, err := unix.Syscall(unix.SYS_IOCTL, fd, uintptr(setTermios), uintptr(unsafe.Pointer(&newState))); err != 0 {
return nil, err
}
return &oldState, nil
}

10
pkg/term/termios_linux.go
View File

@ -12,15 +12,7 @@ const (
)
// Termios is the Unix API for terminal I/O.
type Termios struct {
Iflag uint32
Oflag uint32
Cflag uint32
Lflag uint32
Cc [20]byte
Ispeed uint32
Ospeed uint32
}
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

70
pkg/term/termios_openbsd.go
View File

@ -1,70 +0,0 @@
package term
import (
"unsafe"
"golang.org/x/sys/unix"
)
const (
getTermios = unix.TIOCGETA
setTermios = unix.TIOCSETA
)
// Termios magic numbers, passthrough to the ones defined in unix.
const (
IGNBRK = unix.IGNBRK
PARMRK = unix.PARMRK
INLCR = unix.INLCR
IGNCR = unix.IGNCR
ECHONL = unix.ECHONL
CSIZE = unix.CSIZE
ICRNL = unix.ICRNL
ISTRIP = unix.ISTRIP
PARENB = unix.PARENB
ECHO = unix.ECHO
ICANON = unix.ICANON
ISIG = unix.ISIG
IXON = unix.IXON
BRKINT = unix.BRKINT
INPCK = unix.INPCK
OPOST = unix.OPOST
CS8 = unix.CS8
IEXTEN = unix.IEXTEN
)
// Termios is the Unix API for terminal I/O.
type Termios struct {
Iflag uint32
Oflag uint32
Cflag uint32
Lflag uint32
Cc [20]byte
Ispeed uint32
Ospeed uint32
}
// 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, uintptr(getTermios), uintptr(unsafe.Pointer(&oldState.termios))); err != 0 {
return nil, err
}
newState := oldState.termios
newState.Iflag &^= (IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON)
newState.Oflag &^= OPOST
newState.Lflag &^= (ECHO | ECHONL | ICANON | ISIG | IEXTEN)
newState.Cflag &^= (CSIZE | PARENB)
newState.Cflag |= CS8
newState.Cc[unix.VMIN] = 1
newState.Cc[unix.VTIME] = 0
if _, _, err := unix.Syscall(unix.SYS_IOCTL, fd, uintptr(setTermios), uintptr(unsafe.Pointer(&newState))); err != 0 {
return nil, err
}
return &oldState, nil
}