62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
/*
|
|
* Copyright (c) 2012, 2013 Jonas 'Sortie' Termansen.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*
|
|
* sortix/kernel/mtable.h
|
|
* Class to keep track of mount points.
|
|
*/
|
|
|
|
#ifndef _INCLUDE_SORTIX_KERNEL_MTABLE_H
|
|
#define _INCLUDE_SORTIX_KERNEL_MTABLE_H
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <sortix/kernel/kthread.h>
|
|
#include <sortix/kernel/refcount.h>
|
|
|
|
namespace Sortix {
|
|
|
|
class Inode;
|
|
|
|
typedef struct
|
|
{
|
|
Ref<Inode> inode;
|
|
ino_t ino;
|
|
dev_t dev;
|
|
bool fsbind;
|
|
} mountpoint_t;
|
|
|
|
class MountTable : public Refcountable
|
|
{
|
|
public:
|
|
MountTable();
|
|
virtual ~MountTable();
|
|
Ref<MountTable> Fork();
|
|
bool AddMount(ino_t ino, dev_t dev, Ref<Inode> inode, bool fsbind);
|
|
bool AddMountUnlocked(ino_t ino, dev_t dev, Ref<Inode> inode, bool fsbind);
|
|
|
|
public: // Consider these read-only.
|
|
kthread_mutex_t mtablelock;
|
|
mountpoint_t* mounts;
|
|
size_t nummounts;
|
|
|
|
private:
|
|
size_t mountsalloced;
|
|
|
|
};
|
|
|
|
} // namespace Sortix
|
|
|
|
#endif
|