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Kernel: Implement Socket inodes for tmpfs

This commit is contained in:
Bananymous 2024-02-07 15:33:48 +02:00
parent 454bee3f02
commit 132286895f
3 changed files with 57 additions and 2 deletions
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18
kernel/include/kernel/FS/TmpFS/Inode.h
View File

@ -80,6 +80,24 @@ namespace Kernel
friend class TmpInode;
};
class TmpSocketInode : public TmpInode
{
public:
static BAN::ErrorOr<BAN::RefPtr<TmpSocketInode>> create_new(TmpFileSystem&, mode_t, uid_t, gid_t);
~TmpSocketInode();
protected:
virtual BAN::ErrorOr<size_t> read_impl(off_t, BAN::ByteSpan) override { return BAN::Error::from_errno(ENODEV); }
virtual BAN::ErrorOr<size_t> write_impl(off_t, BAN::ConstByteSpan) override { return BAN::Error::from_errno(ENODEV); }
virtual BAN::ErrorOr<void> truncate_impl(size_t) override { return BAN::Error::from_errno(ENODEV); }
virtual bool has_data_impl() const override { return true; }
private:
TmpSocketInode(TmpFileSystem&, ino_t, const TmpInodeInfo&);
friend class TmpInode;
};
class TmpSymlinkInode : public TmpInode
{
public:

38
kernel/kernel/FS/TmpFS/Inode.cpp
View File

@ -215,6 +215,30 @@ namespace Kernel
return {};
}
/* SOCKET INODE */
BAN::ErrorOr<BAN::RefPtr<TmpSocketInode>> TmpSocketInode::create_new(TmpFileSystem& fs, mode_t mode, uid_t uid, gid_t gid)
{
auto info = create_inode_info(Mode::IFSOCK | mode, uid, gid);
ino_t ino = TRY(fs.allocate_inode(info));
auto* inode_ptr = new TmpSocketInode(fs, ino, info);
if (inode_ptr == nullptr)
return BAN::Error::from_errno(ENOMEM);
return BAN::RefPtr<TmpSocketInode>::adopt(inode_ptr);
}
TmpSocketInode::TmpSocketInode(TmpFileSystem& fs, ino_t ino, const TmpInodeInfo& info)
: TmpInode(fs, ino, info)
{
ASSERT(mode().ifsock());
}
TmpSocketInode::~TmpSocketInode()
{
}
/* SYMLINK INODE */
BAN::ErrorOr<BAN::RefPtr<TmpSymlinkInode>> TmpSymlinkInode::create_new(TmpFileSystem& fs, mode_t mode, uid_t uid, gid_t gid, BAN::StringView target)
@ -446,7 +470,19 @@ namespace Kernel
BAN::ErrorOr<void> TmpDirectoryInode::create_file_impl(BAN::StringView name, mode_t mode, uid_t uid, gid_t gid)
{
auto new_inode = TRY(TmpFileInode::create_new(m_fs, mode, uid, gid));
BAN::RefPtr<TmpInode> new_inode;
switch (mode & Mode::TYPE_MASK)
{
case Mode::IFREG:
new_inode = TRY(TmpFileInode::create_new(m_fs, mode, uid, gid));
break;
case Mode::IFSOCK:
new_inode = TRY(TmpSocketInode::create_new(m_fs, mode, uid, gid));
break;
default:
dprintln("Creating with mode {o} is not supported", mode);
return BAN::Error::from_errno(ENOTSUP);
}
TRY(link_inode(*new_inode, name));
return {};
}

3
kernel/kernel/Process.cpp
View File

@ -649,8 +649,9 @@ namespace Kernel
case Inode::Mode::IFREG: break;
case Inode::Mode::IFDIR: break;
case Inode::Mode::IFIFO: break;
case Inode::Mode::IFSOCK: break;
default:
return BAN::Error::from_errno(EINVAL);
return BAN::Error::from_errno(ENOTSUP);
}
LockGuard _(m_lock);