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			44 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Selective file content synch'ing.
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|    Copyright (C) 2006-2013 Free Software Foundation, Inc.
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|    This file is part of the GNU C Library.
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| 
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|    The GNU C Library is free software; you can redistribute it and/or
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|    modify it under the terms of the GNU Lesser General Public
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|    License as published by the Free Software Foundation; either
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|    version 2.1 of the License, or (at your option) any later version.
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| 
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|    The GNU C Library is distributed in the hope that it will be useful,
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|    but WITHOUT ANY WARRANTY; without even the implied warranty of
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|    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|    Lesser General Public License for more details.
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| 
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|    You should have received a copy of the GNU Lesser General Public
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|    License along with the GNU C Library; if not, see
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|    <http://www.gnu.org/licenses/>.  */
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| 
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| #include <errno.h>
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| #include <fcntl.h>
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| #include <sysdep-cancel.h>
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| 
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| 
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| extern int __call_sync_file_range (int fd, off64_t offset, off64_t nbytes,
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| 				   unsigned int flags)
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|      attribute_hidden;
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| 
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| 
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| int
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| sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags)
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| {
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|   if (SINGLE_THREAD_P)
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|     return __call_sync_file_range (fd, from, to, flags);
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| 
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|   int result;
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|   int oldtype = LIBC_CANCEL_ASYNC ();
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| 
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|   result = __call_sync_file_range (fd, from, to, flags);
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| 
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|   LIBC_CANCEL_RESET (oldtype);
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| 
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|   return result;
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| }
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