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sortix--sortix/kernel/logterminal.h

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/*******************************************************************************
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/>.
logterminal.h
A simple terminal that writes to the kernel log.
*******************************************************************************/
#ifndef SORTIX_LOGTERMINAL_H
#define SORTIX_LOGTERMINAL_H
#include <sortix/kernel/kthread.h>
#include <sortix/kernel/inode.h>
#include <sortix/kernel/keyboard.h>
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#include <sortix/kernel/poll.h>
#include "linebuffer.h"
namespace Sortix {
class LogTerminal : public AbstractInode, public KeyboardOwner
{
public:
LogTerminal(dev_t dev, mode_t mode, uid_t owner, gid_t group,
Keyboard* keyboard, KeyboardLayout* kblayout);
virtual ~LogTerminal();
public:
virtual int sync(ioctx_t* ctx);
virtual ssize_t read(ioctx_t* ctx, uint8_t* buf, size_t count);
virtual ssize_t write(ioctx_t* ctx, const uint8_t* buf, size_t count);
virtual int tcgetwinsize(ioctx_t* ctx, struct winsize* ws);
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virtual int tcsetpgrp(ioctx_t* ctx, pid_t pgid);
virtual pid_t tcgetpgrp(ioctx_t* ctx);
virtual int settermmode(ioctx_t* ctx, unsigned termmode);
virtual int gettermmode(ioctx_t* ctx, unsigned* termmode);
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virtual int poll(ioctx_t* ctx, PollNode* node);
public:
virtual void OnKeystroke(Keyboard* keyboard, void* user);
private:
void ProcessKeystroke(int kbkey);
void QueueUnicode(uint32_t unicode);
void CommitLineBuffer();
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short PollEventStatus();
private:
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PollChannel poll_channel;
mutable kthread_mutex_t termlock;
kthread_cond_t datacond;
size_t numwaiting;
size_t numeofs;
Keyboard* keyboard;
KeyboardLayout* kblayout;
LineBuffer linebuffer;
size_t partiallywritten;
unsigned termmode;
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pid_t foreground_pgid;
bool control;
};
} // namespace Sortix
#endif