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			50 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
| /* Copyright (C) 1994-2017 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 <hurd.h>
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| #include <hurd/fd.h>
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| 
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| /* Allocate a new file descriptor and install PORT in it.  FLAGS are as for
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|    `open'; only O_IGNORE_CTTY and O_CLOEXEC are meaningful.
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| 
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|    If the descriptor table is full, set errno, and return -1.
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|    If DEALLOC is nonzero, deallocate PORT first.  */
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| int
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| _hurd_intern_fd (io_t port, int flags, int dealloc)
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| {
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|   int fd;
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|   struct hurd_fd *d;
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| 
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|   HURD_CRITICAL_BEGIN;
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|   d = _hurd_alloc_fd (&fd, 0);
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|   if (d != NULL)
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|     {
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|       _hurd_port2fd (d, port, flags);
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|       __spin_unlock (&d->port.lock);
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|     }
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|   HURD_CRITICAL_END;
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| 
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|   if (d == NULL)
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|     {
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|       if (dealloc)
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| 	__mach_port_deallocate (__mach_task_self (), port);
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|       return -1;
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|     }
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| 
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|   return fd;
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| }
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