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