mirror of
https://gitlab.com/sortix/sortix.git
synced 2023-02-13 20:55:38 -05:00
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
|
/******************************************************************************
|
||
|
|
|
||
|
|
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2012.
|
||
|
|
|
||
|
|
This file is part of Sortix.
|
||
|
|
|
||
|
|
Sortix is free software: you can redistribute it and/or modify it under the
|
||
|
|
terms of the GNU General Public License as published by the Free Software
|
||
|
|
Foundation, either version 3 of the License, or (at your option) any later
|
||
|
|
version.
|
||
|
|
|
||
|
|
Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
|
||
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||
|
|
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
||
|
|
details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License along
|
||
|
|
with Sortix. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
|
||
|
|
terminal.cpp
|
||
|
|
Provides an interface to terminals for user-space.
|
||
|
|
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
#include "platform.h"
|
||
|
|
#include <libmaxsi/error.h>
|
||
|
|
#include "syscall.h"
|
||
|
|
#include "process.h"
|
||
|
|
#include "terminal.h"
|
||
|
|
|
||
|
|
using namespace Maxsi;
|
||
|
|
|
||
|
|
namespace Sortix
|
||
|
|
{
|
||
|
|
int SysSetTermMode(int fd, unsigned mode)
|
||
|
|
{
|
||
|
|
Process* process = CurrentProcess();
|
||
|
|
Device* dev = process->descriptors.Get(fd);
|
||
|
|
if ( !dev ) { Error::Set(EBADF); return -1; }
|
||
|
|
if ( !dev->IsType(Device::TERMINAL) ) { Error::Set(ENOTTY); return -1; }
|
||
|
|
DevTerminal* term = (DevTerminal*) dev;
|
||
|
|
return term->SetMode(mode) ? 0 : -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
int SysGetTermMode(int fd, unsigned* mode)
|
||
|
|
{
|
||
|
|
Process* process = CurrentProcess();
|
||
|
|
Device* dev = process->descriptors.Get(fd);
|
||
|
|
if ( !dev ) { Error::Set(EBADF); return -1; }
|
||
|
|
if ( !dev->IsType(Device::TERMINAL) ) { Error::Set(ENOTTY); return -1; }
|
||
|
|
DevTerminal* term = (DevTerminal*) dev;
|
||
|
|
// TODO: Check that mode is a valid user-space pointer.
|
||
|
|
*mode = term->GetMode();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int SysIsATTY(int fd)
|
||
|
|
{
|
||
|
|
Process* process = CurrentProcess();
|
||
|
|
Device* dev = process->descriptors.Get(fd);
|
||
|
|
if ( !dev ) { Error::Set(EBADF); return 0; }
|
||
|
|
if ( !dev->IsType(Device::TERMINAL) ) { Error::Set(ENOTTY); return 0; }
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Terminal::Init()
|
||
|
|
{
|
||
|
|
Syscall::Register(SYSCALL_SETTERMMODE, (void*) SysSetTermMode);
|
||
|
|
Syscall::Register(SYSCALL_GETTERMMODE, (void*) SysGetTermMode);
|
||
|
|
Syscall::Register(SYSCALL_ISATTY, (void*) SysIsATTY);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|