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			45 lines
		
	
	
	
		
			842 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			45 lines
		
	
	
	
		
			842 B
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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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 "Forward.h"
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| #include <AK/Forward.h>
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| #include <AK/NonnullRefPtrVector.h>
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| #include <AK/String.h>
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| #include <AK/Vector.h>
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| #include <LibCore/ElapsedTimer.h>
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| 
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| namespace Shell {
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| 
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| class FileDescriptionCollector {
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| public:
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|     FileDescriptionCollector() = default;
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|     ~FileDescriptionCollector();
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| 
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|     void collect();
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|     void add(int fd);
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| 
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| private:
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|     Vector<int, 32> m_fds;
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| };
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| 
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| class SavedFileDescriptors {
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| public:
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|     SavedFileDescriptors(NonnullRefPtrVector<AST::Rewiring> const&);
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|     ~SavedFileDescriptors();
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| 
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| private:
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|     struct SavedFileDescriptor {
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|         int original { -1 };
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|         int saved { -1 };
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|     };
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| 
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|     Vector<SavedFileDescriptor> m_saves;
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|     FileDescriptionCollector m_collector;
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| };
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| 
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| }
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