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https://github.com/RGBCube/serenity
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Kernel: Split VMObject into two classes: Anonymous- and InodeVMObject
InodeVMObject is a VMObject with an underlying Inode in the filesystem. AnonymousVMObject has no Inode. I'm happy that InodeVMObject::inode() can now return Inode& instead of VMObject::inode() return Inode*. :^)
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cb2d572a14
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6bdb81ad87
16 changed files with 286 additions and 200 deletions
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@ -1,7 +1,8 @@
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#pragma once
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#include <Kernel/VM/MemoryManager.h>
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#include <AK/OwnPtr.h>
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#include <Kernel/VM/AnonymousVMObject.h>
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#include <Kernel/VM/MemoryManager.h>
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struct SharedBuffer {
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private:
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@ -15,10 +16,11 @@ private:
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unsigned count { 0 };
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Region* region { nullptr };
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};
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public:
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SharedBuffer(int id, int size)
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: m_shared_buffer_id(id)
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, m_vmo(VMObject::create_anonymous(size))
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, m_vmo(AnonymousVMObject::create_with_size(size))
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{
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#ifdef SHARED_BUFFER_DEBUG
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dbgprintf("Created shared buffer %d of size %d\n", m_shared_buffer_id, size);
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@ -47,7 +49,7 @@ public:
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int m_shared_buffer_id { -1 };
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bool m_writable { true };
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bool m_global { false };
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NonnullRefPtr<VMObject> m_vmo;
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NonnullRefPtr<AnonymousVMObject> m_vmo;
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Vector<Reference, 2> m_refs;
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unsigned m_total_refs { 0 };
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};
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