зеркало из https://github.com/microsoft/docker.git
59 строки
1.5 KiB
Go
59 строки
1.5 KiB
Go
package term
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import (
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"syscall"
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"unsafe"
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)
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// #include <termios.h>
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// #include <sys/ioctl.h>
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/*
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void MakeRaw(int fd) {
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struct termios t;
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// FIXME: Handle errors?
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ioctl(fd, TCGETS, &t);
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t.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON);
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t.c_oflag &= ~OPOST;
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t.c_lflag &= ~(ECHO | ECHONL | ICANON | IEXTEN | ISIG);
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t.c_cflag &= ~(CSIZE | PARENB);
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t.c_cflag |= CS8;
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ioctl(fd, TCSETS, &t);
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}
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*/
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import "C"
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const (
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getTermios = syscall.TCGETS
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setTermios = syscall.TCSETS
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)
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// MakeRaw put the terminal connected to the given file descriptor into raw
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// mode and returns the previous state of the terminal so that it can be
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// restored.
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func MakeRaw(fd int) (*State, error) {
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var oldState State
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if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), syscall.TCGETS, uintptr(unsafe.Pointer(&oldState.termios)), 0, 0, 0); err != 0 {
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return nil, err
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}
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C.MakeRaw(C.int(fd))
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return &oldState, nil
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// FIXME: post on goland issues this: very same as the C function bug non-working
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// newState := oldState.termios
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// newState.Iflag &^= (IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON)
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// newState.Oflag &^= OPOST
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// newState.Lflag &^= (ECHO | syscall.ECHONL | ICANON | ISIG | IEXTEN)
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// newState.Cflag &^= (CSIZE | syscall.PARENB)
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// newState.Cflag |= CS8
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// if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), syscall.TCSETS, uintptr(unsafe.Pointer(&newState))); err != 0 {
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// return nil, err
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// }
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// return &oldState, nil
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}
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