41 lines
		
	
	
		
			983 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			41 lines
		
	
	
		
			983 B
		
	
	
	
		
			C++
		
	
	
	
| /*
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|  * Copyright (C) 2013 The Android Open Source Project
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|  *
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|  * Licensed under the Apache License, Version 2.0 (the "License");
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|  * you may not use this file except in compliance with the License.
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|  * You may obtain a copy of the License at
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|  *
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|  *      http://www.apache.org/licenses/LICENSE-2.0
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|  *
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|  * Unless required by applicable law or agreed to in writing, software
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|  * distributed under the License is distributed on an "AS IS" BASIS,
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|  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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|  * See the License for the specific language governing permissions and
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|  * limitations under the License.
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|  */
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| 
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| #pragma once
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| 
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| #include <errno.h>
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| 
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| #include "platform/bionic/macros.h"
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| 
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| class ErrnoRestorer {
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|  public:
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|   explicit ErrnoRestorer() : saved_errno_(errno) {
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|   }
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| 
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|   ~ErrnoRestorer() {
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|     errno = saved_errno_;
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|   }
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| 
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|   void override(int new_errno) {
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|     saved_errno_ = new_errno;
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|   }
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| 
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|  private:
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|   int saved_errno_;
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| 
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|   BIONIC_DISALLOW_COPY_AND_ASSIGN(ErrnoRestorer);
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| };
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