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	 11eee67b85
			
		
	
	
		11eee67b85
		
	
	
	
	
		
			
			Until now, our kernel has reimplemented a number of AK classes to provide automatic internal locking: - RefPtr - NonnullRefPtr - WeakPtr - Weakable This patch renames the Kernel classes so that they can coexist with the original AK classes: - RefPtr => LockRefPtr - NonnullRefPtr => NonnullLockRefPtr - WeakPtr => LockWeakPtr - Weakable => LockWeakable The goal here is to eventually get rid of the Lock* classes in favor of using external locking.
		
			
				
	
	
		
			48 lines
		
	
	
	
		
			1.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			48 lines
		
	
	
	
		
			1.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2020, the SerenityOS developers.
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include <AK/AtomicRefCounted.h>
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| #include <AK/IntrusiveList.h>
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| #include <Kernel/Library/LockWeakable.h>
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| #include <Kernel/Locking/SpinlockProtected.h>
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| #include <Kernel/UnixTypes.h>
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| 
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| namespace Kernel {
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| 
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| class ProcessGroup
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|     : public AtomicRefCounted<ProcessGroup>
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|     , public LockWeakable<ProcessGroup> {
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| 
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|     AK_MAKE_NONMOVABLE(ProcessGroup);
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|     AK_MAKE_NONCOPYABLE(ProcessGroup);
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| 
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| public:
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|     ~ProcessGroup();
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| 
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|     static ErrorOr<NonnullLockRefPtr<ProcessGroup>> try_create(ProcessGroupID);
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|     static ErrorOr<NonnullLockRefPtr<ProcessGroup>> try_find_or_create(ProcessGroupID);
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|     static LockRefPtr<ProcessGroup> from_pgid(ProcessGroupID);
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| 
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|     ProcessGroupID const& pgid() const { return m_pgid; }
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| 
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| private:
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|     ProcessGroup(ProcessGroupID pgid)
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|         : m_pgid(pgid)
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|     {
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|     }
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| 
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|     IntrusiveListNode<ProcessGroup> m_list_node;
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|     ProcessGroupID m_pgid;
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| 
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| public:
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|     using List = IntrusiveList<&ProcessGroup::m_list_node>;
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| };
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| 
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| SpinlockProtected<ProcessGroup::List>& process_groups();
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| 
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| }
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