mirror of
https://gitlab.com/sortix/sortix.git
synced 2023-02-13 20:55:38 -05:00
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
|
/*******************************************************************************
|
||
|
|
|
||
|
|
Copyright(C) Jonas 'Sortie' Termansen 2013.
|
||
|
|
|
||
|
|
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/>.
|
||
|
|
|
||
|
|
fs/zero.h
|
||
|
|
Bit bucket special device.
|
||
|
|
|
||
|
|
*******************************************************************************/
|
||
|
|
|
||
|
|
#ifndef SORTIX_FS_ZERO_H
|
||
|
|
#define SORTIX_FS_ZERO_H
|
||
|
|
|
||
|
|
#include <sortix/kernel/inode.h>
|
||
|
|
|
||
|
|
namespace Sortix {
|
||
|
|
|
||
|
|
class Zero : public AbstractInode
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
Zero(dev_t dev, ino_t ino, uid_t owner, gid_t group, mode_t mode);
|
||
|
|
virtual ~Zero();
|
||
|
|
virtual int truncate(ioctx_t* ctx, off_t length);
|
||
|
|
virtual off_t lseek(ioctx_t* ctx, off_t offset, int whence);
|
||
|
|
virtual ssize_t read(ioctx_t* ctx, uint8_t* buf, size_t count);
|
||
|
|
virtual ssize_t pread(ioctx_t* ctx, uint8_t* buf, size_t count, off_t off);
|
||
|
|
virtual ssize_t write(ioctx_t* ctx, const uint8_t* buf, size_t count);
|
||
|
|
virtual ssize_t pwrite(ioctx_t* ctx, const uint8_t* buf, size_t count,
|
||
|
|
off_t off);
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace Sortix
|
||
|
|
|
||
|
|
#endif
|