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Kernel: Make ProcFS use the new TmpFS internally

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Bananymous
2023-11-07 02:35:44 +02:00
parent b7771e95ac
commit 06e176e6b9
8 changed files with 56 additions and 42 deletions
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20
kernel/include/kernel/FS/ProcFS/Inode.h
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@@ -1,41 +1,43 @@
#pragma once
#include <kernel/FS/RamFS/FileSystem.h>
#include <kernel/FS/RamFS/Inode.h>
#include <kernel/FS/TmpFS/FileSystem.h>
#include <kernel/FS/TmpFS/Inode.h>
#include <kernel/Process.h>
namespace Kernel
{
class ProcPidInode final : public RamDirectoryInode
class ProcPidInode final : public TmpDirectoryInode
{
public:
static BAN::ErrorOr<BAN::RefPtr<ProcPidInode>> create(Process&, RamFileSystem&, mode_t, uid_t, gid_t);
static BAN::ErrorOr<BAN::RefPtr<ProcPidInode>> create_new(Process&, TmpFileSystem&, mode_t, uid_t, gid_t);
~ProcPidInode() = default;
void cleanup();
private:
ProcPidInode(Process&, RamFileSystem&, const FullInodeInfo&);
ProcPidInode(Process&, TmpFileSystem&, const TmpInodeInfo&);
private:
Process& m_process;
};
class ProcROInode final : public RamInode
class ProcROInode final : public TmpInode
{
public:
static BAN::ErrorOr<BAN::RefPtr<ProcROInode>> create(Process&, size_t (Process::*callback)(off_t, BAN::ByteSpan) const, RamFileSystem&, mode_t, uid_t, gid_t);
static BAN::ErrorOr<BAN::RefPtr<ProcROInode>> create_new(Process&, size_t (Process::*callback)(off_t, BAN::ByteSpan) const, TmpFileSystem&, mode_t, uid_t, gid_t);
~ProcROInode() = default;
protected:
virtual BAN::ErrorOr<size_t> read_impl(off_t, BAN::ByteSpan) override;
// You may not write here and this is always non blocking
virtual BAN::ErrorOr<size_t> write_impl(off_t, BAN::ConstByteSpan) override { return BAN::Error::from_errno(EINVAL); }
virtual BAN::ErrorOr<size_t> write_impl(off_t, BAN::ConstByteSpan) override { return BAN::Error::from_errno(EINVAL); }
virtual BAN::ErrorOr<void> truncate_impl(size_t) override { return BAN::Error::from_errno(EINVAL); }
virtual bool has_data_impl() const override { return true; }
private:
ProcROInode(Process&, size_t (Process::*)(off_t, BAN::ByteSpan) const, RamFileSystem&, const FullInodeInfo&);
ProcROInode(Process&, size_t (Process::*)(off_t, BAN::ByteSpan) const, TmpFileSystem&, const TmpInodeInfo&);
private:
Process& m_process;