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Reimplement tcsetattr/tcgetattr as ioctls.

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This commit is contained in:
Andreas Kling 2018-11-16 15:41:48 +01:00
parent c99f8af66d
commit 084287ca45
7 changed files with 55 additions and 49 deletions
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25
Kernel/TTY.cpp
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@ -71,19 +71,34 @@ void TTY::set_termios(const Unix::termios& t)
int TTY::ioctl(Process& process, unsigned request, unsigned arg)
{
pid_t pgid;
Unix::termios* tp;
if (process.tty() != this)
return -ENOTTY;
switch (request) {
case TIOCGPGRP:
return pgid();
case TIOCSPGRP: {
return m_pgid;
case TIOCSPGRP:
// FIXME: Validate pgid fully.
pid_t pgid = static_cast<pid_t>(arg);
pgid = static_cast<pid_t>(arg);
if (pgid < 0)
return -EINVAL;
set_pgid(arg);
m_pgid = pgid;
return 0;
case TCGETS:
tp = reinterpret_cast<Unix::termios*>(arg);
if (!process.validate_write(tp, sizeof(Unix::termios)))
return -EFAULT;
*tp = m_termios;
return 0;
case TCSETS:
tp = reinterpret_cast<Unix::termios*>(arg);
if (!process.validate_read(tp, sizeof(Unix::termios)))
return -EFAULT;
set_termios(*tp);
return 0;
}
}
ASSERT_NOT_REACHED();
return -EINVAL;
}