void VirtualTerminal::setup(int vtNr)
{
if (m_vt != -1) {
return;
}
if (vtNr == -1) {
// error condition
return;
}
QString ttyName = QStringLiteral("/dev/tty%1").arg(vtNr);
m_vt = open(ttyName.toUtf8().constData(), O_RDWR|O_CLOEXEC|O_NONBLOCK);
if (m_vt < 0) {
qCWarning(KWIN_CORE) << "Failed to open tty" << vtNr;
return;
}
if (!isTty(m_vt)) {
qCWarning(KWIN_CORE) << vtNr << " is no tty";
closeFd();
return;
}
if (ioctl(m_vt, KDSETMODE, KD_GRAPHICS) < 0) {
qCWarning(KWIN_CORE()) << "Failed to set tty " << vtNr << " in graphics mode";
closeFd();
return;
}
if (!createSignalHandler()) {
qCWarning(KWIN_CORE) << "Failed to create signalfd";
closeFd();
return;
}
vt_mode mode = {
VT_PROCESS,
0,
RELEASE_SIGNAL,
ACQUISITION_SIGNAL,
0
};
if (ioctl(m_vt, VT_SETMODE, &mode) < 0) {
qCWarning(KWIN_CORE) << "Failed to take over virtual terminal";
closeFd();
return;
}
m_vtNumber = vtNr;
setActive(true);
emit kwinApp()->virtualTerminalCreated();
}
FILESymbolizePrinter::FILESymbolizePrinter(FILE* file, int options)
: SymbolizePrinter(options, isTty(options, fileno(file))),
file_(file) {
}
FDSymbolizePrinter::FDSymbolizePrinter(int fd, int options, size_t bufferSize)
: SymbolizePrinter(options, isTty(options, fd)),
fd_(fd),
buffer_(bufferSize ? IOBuf::create(bufferSize) : nullptr) {
}
OStreamSymbolizePrinter::OStreamSymbolizePrinter(std::ostream& out, int options)
: SymbolizePrinter(options, isTty(options, getFD(out))),
out_(out) {
}