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https://github.com/RGBCube/serenity
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Kernel+Userland: Remove global futexes
We only ever use private futexes, so it doesn't make sense to carry around all the complexity required for global (cross-process) futexes.
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parent
7979b5a8bb
commit
4226b662cd
8 changed files with 48 additions and 188 deletions
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@ -31,13 +31,6 @@ VMObject::VMObject(size_t size)
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VMObject::~VMObject()
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{
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{
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ScopedSpinLock lock(m_on_deleted_lock);
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for (auto& it : m_on_deleted)
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it->vmobject_deleted(*this);
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m_on_deleted.clear();
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}
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VERIFY(m_regions.is_empty());
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}
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@ -7,11 +7,8 @@
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#pragma once
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#include <AK/FixedArray.h>
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#include <AK/HashTable.h>
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#include <AK/IntrusiveList.h>
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#include <AK/RefCounted.h>
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#include <AK/RefPtr.h>
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#include <AK/Vector.h>
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#include <AK/Weakable.h>
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#include <Kernel/Forward.h>
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#include <Kernel/Library/ListedRefCounted.h>
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@ -20,12 +17,6 @@
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namespace Kernel::Memory {
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class VMObjectDeletedHandler {
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public:
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virtual ~VMObjectDeletedHandler() = default;
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virtual void vmobject_deleted(VMObject&) = 0;
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};
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class VMObject
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: public ListedRefCounted<VMObject>
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, public Weakable<VMObject> {
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@ -63,17 +54,6 @@ public:
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m_regions.remove(region);
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}
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void register_on_deleted_handler(VMObjectDeletedHandler& handler)
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{
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ScopedSpinLock locker(m_on_deleted_lock);
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m_on_deleted.set(&handler);
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}
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void unregister_on_deleted_handler(VMObjectDeletedHandler& handler)
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{
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ScopedSpinLock locker(m_on_deleted_lock);
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m_on_deleted.remove(&handler);
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}
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protected:
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explicit VMObject(size_t);
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explicit VMObject(VMObject const&);
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@ -91,9 +71,6 @@ private:
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VMObject& operator=(VMObject&&) = delete;
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VMObject(VMObject&&) = delete;
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HashTable<VMObjectDeletedHandler*> m_on_deleted;
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SpinLock<u8> m_on_deleted_lock;
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Region::ListInVMObject m_regions;
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public:
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