1 files changed, 33 insertions, 0 deletions
diff --git a/Kernel/Memory/SharedInodeVMObject.h b/Kernel/Memory/SharedInodeVMObject.h
new file mode 100644
index 0000000000..05fb8968eb
--- /dev/null
+++ b/Kernel/Memory/SharedInodeVMObject.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/Bitmap.h>
+#include <Kernel/Memory/InodeVMObject.h>
+#include <Kernel/UnixTypes.h>
+
+namespace Kernel {
+
+class SharedInodeVMObject final : public InodeVMObject {
+    AK_MAKE_NONMOVABLE(SharedInodeVMObject);
+
+public:
+    static RefPtr<SharedInodeVMObject> try_create_with_inode(Inode&);
+    virtual RefPtr<VMObject> try_clone() override;
+
+private:
+    virtual bool is_shared_inode() const override { return true; }
+
+    explicit SharedInodeVMObject(Inode&, size_t);
+    explicit SharedInodeVMObject(SharedInodeVMObject const&);
+
+    virtual StringView class_name() const override { return "SharedInodeVMObject"sv; }
+
+    SharedInodeVMObject& operator=(SharedInodeVMObject const&) = delete;
+};
+
+}