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moby--moby/pkg/term/tc_linux_cgo.go
Vincent Demeester 18c7c67308 Lint on pkg/* packages
- pkg/useragent
- pkg/units
- pkg/ulimit
- pkg/truncindex
- pkg/timeoutconn
- pkg/term
- pkg/tarsum
- pkg/tailfile
- pkg/systemd
- pkg/stringutils
- pkg/stringid
- pkg/streamformatter
- pkg/sockets
- pkg/signal
- pkg/proxy
- pkg/progressreader
- pkg/pools
- pkg/plugins
- pkg/pidfile
- pkg/parsers
- pkg/parsers/filters
- pkg/parsers/kernel
- pkg/parsers/operatingsystem

Signed-off-by: Vincent Demeester <vincent@sbr.pm>
2015-07-27 21:26:21 +02:00

51 lines
1.2 KiB
Go

// +build linux,cgo
package term
import (
"syscall"
"unsafe"
)
// #include <termios.h>
import "C"
// Termios is the Unix API for terminal I/O.
// It is passthgrouh for syscall.Termios in order to make it portable with
// other platforms where it is not available or handled differently.
type Termios syscall.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 := tcget(fd, &oldState.termios); err != 0 {
return nil, err
}
newState := oldState.termios
C.cfmakeraw((*C.struct_termios)(unsafe.Pointer(&newState)))
newState.Oflag = newState.Oflag | C.OPOST
if err := tcset(fd, &newState); err != 0 {
return nil, err
}
return &oldState, nil
}
func tcget(fd uintptr, p *Termios) syscall.Errno {
ret, err := C.tcgetattr(C.int(fd), (*C.struct_termios)(unsafe.Pointer(p)))
if ret != 0 {
return err.(syscall.Errno)
}
return 0
}
func tcset(fd uintptr, p *Termios) syscall.Errno {
ret, err := C.tcsetattr(C.int(fd), C.TCSANOW, (*C.struct_termios)(unsafe.Pointer(p)))
if ret != 0 {
return err.(syscall.Errno)
}
return 0
}