diff --git a/pkg/term/tc_linux_cgo.go b/pkg/term/tc_linux_cgo.go index a22cd9d105..59dac5ba8e 100644 --- a/pkg/term/tc_linux_cgo.go +++ b/pkg/term/tc_linux_cgo.go @@ -11,7 +11,7 @@ import ( import "C" // Termios is the Unix API for terminal I/O. -// It is passthgrouh for syscall.Termios in order to make it portable with +// It is passthrough for syscall.Termios in order to make it portable with // other platforms where it is not available or handled differently. type Termios syscall.Termios diff --git a/pkg/term/tc_other.go b/pkg/term/tc_other.go index 266039bac3..750d7c3f60 100644 --- a/pkg/term/tc_other.go +++ b/pkg/term/tc_other.go @@ -1,5 +1,6 @@ // +build !windows // +build !linux !cgo +// +build !solaris !cgo package term diff --git a/pkg/term/tc_solaris_cgo.go b/pkg/term/tc_solaris_cgo.go new file mode 100644 index 0000000000..c9139d0ca8 --- /dev/null +++ b/pkg/term/tc_solaris_cgo.go @@ -0,0 +1,63 @@ +// +build solaris,cgo + +package term + +import ( + "syscall" + "unsafe" +) + +// #include +import "C" + +// Termios is the Unix API for terminal I/O. +// It is passthrough 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 + + newState.Iflag &^= (syscall.IGNBRK | syscall.BRKINT | syscall.PARMRK | syscall.ISTRIP | syscall.INLCR | syscall.IGNCR | syscall.ICRNL | syscall.IXON | syscall.IXANY) + newState.Oflag &^= syscall.OPOST + newState.Lflag &^= (syscall.ECHO | syscall.ECHONL | syscall.ICANON | syscall.ISIG | syscall.IEXTEN) + newState.Cflag &^= (syscall.CSIZE | syscall.PARENB) + newState.Cflag |= syscall.CS8 + + /* + VMIN is the minimum number of characters that needs to be read in non-canonical mode for it to be returned + Since VMIN is overloaded with another element in canonical mode when we switch modes it defaults to 4. It + needs to be explicitly set to 1. + */ + newState.Cc[C.VMIN] = 1 + newState.Cc[C.VTIME] = 0 + + 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 +} diff --git a/pkg/term/term.go b/pkg/term/term.go index 11ed20937b..8f554847f0 100644 --- a/pkg/term/term.go +++ b/pkg/term/term.go @@ -10,7 +10,6 @@ import ( "os" "os/signal" "syscall" - "unsafe" ) var ( @@ -47,27 +46,6 @@ func GetFdInfo(in interface{}) (uintptr, bool) { return inFd, isTerminalIn } -// GetWinsize returns the window size based on the specified file descriptor. -func GetWinsize(fd uintptr) (*Winsize, error) { - ws := &Winsize{} - _, _, err := syscall.Syscall(syscall.SYS_IOCTL, fd, uintptr(syscall.TIOCGWINSZ), uintptr(unsafe.Pointer(ws))) - // Skip errno = 0 - if err == 0 { - return ws, nil - } - return ws, err -} - -// SetWinsize tries to set the specified window size for the specified file descriptor. -func SetWinsize(fd uintptr, ws *Winsize) error { - _, _, err := syscall.Syscall(syscall.SYS_IOCTL, fd, uintptr(syscall.TIOCSWINSZ), uintptr(unsafe.Pointer(ws))) - // Skip errno = 0 - if err == 0 { - return nil - } - return err -} - // IsTerminal returns true if the given file descriptor is a terminal. func IsTerminal(fd uintptr) bool { var termios Termios diff --git a/pkg/term/term_solaris.go b/pkg/term/term_solaris.go new file mode 100644 index 0000000000..112debbec5 --- /dev/null +++ b/pkg/term/term_solaris.go @@ -0,0 +1,41 @@ +// +build solaris + +package term + +import ( + "syscall" + "unsafe" +) + +/* +#include +#include +#include + +// Small wrapper to get rid of variadic args of ioctl() +int my_ioctl(int fd, int cmd, struct winsize *ws) { + return ioctl(fd, cmd, ws); +} +*/ +import "C" + +// GetWinsize returns the window size based on the specified file descriptor. +func GetWinsize(fd uintptr) (*Winsize, error) { + ws := &Winsize{} + ret, err := C.my_ioctl(C.int(fd), C.int(syscall.TIOCGWINSZ), (*C.struct_winsize)(unsafe.Pointer(ws))) + // Skip retval = 0 + if ret == 0 { + return ws, nil + } + return ws, err +} + +// SetWinsize tries to set the specified window size for the specified file descriptor. +func SetWinsize(fd uintptr, ws *Winsize) error { + ret, err := C.my_ioctl(C.int(fd), C.int(syscall.TIOCSWINSZ), (*C.struct_winsize)(unsafe.Pointer(ws))) + // Skip retval = 0 + if ret == 0 { + return nil + } + return err +} diff --git a/pkg/term/term_unix.go b/pkg/term/term_unix.go new file mode 100644 index 0000000000..ddf87a0e58 --- /dev/null +++ b/pkg/term/term_unix.go @@ -0,0 +1,29 @@ +// +build !solaris,!windows + +package term + +import ( + "syscall" + "unsafe" +) + +// GetWinsize returns the window size based on the specified file descriptor. +func GetWinsize(fd uintptr) (*Winsize, error) { + ws := &Winsize{} + _, _, err := syscall.Syscall(syscall.SYS_IOCTL, fd, uintptr(syscall.TIOCGWINSZ), uintptr(unsafe.Pointer(ws))) + // Skipp errno = 0 + if err == 0 { + return ws, nil + } + return ws, err +} + +// SetWinsize tries to set the specified window size for the specified file descriptor. +func SetWinsize(fd uintptr, ws *Winsize) error { + _, _, err := syscall.Syscall(syscall.SYS_IOCTL, fd, uintptr(syscall.TIOCSWINSZ), uintptr(unsafe.Pointer(ws))) + // Skipp errno = 0 + if err == 0 { + return nil + } + return err +}