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		1682f0b760
		
	
	
	
	
		
			
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			52 lines
		
	
	
	
		
			1.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			52 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/InlineLinkedList.h>
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| #include <AK/RefCounted.h>
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| #include <AK/Weakable.h>
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| #include <Kernel/Lock.h>
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| #include <Kernel/SpinLock.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 RefCounted<ProcessGroup>
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|     , public Weakable<ProcessGroup>
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|     , public InlineLinkedListNode<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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|     friend InlineLinkedListNode<ProcessGroup>;
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| 
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| public:
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|     ~ProcessGroup();
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| 
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|     static NonnullRefPtr<ProcessGroup> create(ProcessGroupID);
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|     static NonnullRefPtr<ProcessGroup> find_or_create(ProcessGroupID);
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|     static RefPtr<ProcessGroup> from_pgid(ProcessGroupID);
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| 
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|     const ProcessGroupID& 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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|     ProcessGroup* m_prev { nullptr };
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|     ProcessGroup* m_next { nullptr };
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| 
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|     ProcessGroupID m_pgid;
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| };
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| 
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| extern InlineLinkedList<ProcessGroup>* g_process_groups;
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| extern RecursiveSpinLock g_process_groups_lock;
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| 
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| }
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