1    	/* Error constants.  Linux specific version.
2    	   Copyright (C) 1996-1999, 2005, 2009 Free Software Foundation, Inc.
3    	   This file is part of the GNU C Library.
4    	
5    	   The GNU C Library is free software; you can redistribute it and/or
6    	   modify it under the terms of the GNU Lesser General Public
7    	   License as published by the Free Software Foundation; either
8    	   version 2.1 of the License, or (at your option) any later version.
9    	
10   	   The GNU C Library is distributed in the hope that it will be useful,
11   	   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   	   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   	   Lesser General Public License for more details.
14   	
15   	   You should have received a copy of the GNU Lesser General Public
16   	   License along with the GNU C Library; if not, write to the Free
17   	   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18   	   02111-1307 USA.  */
19   	
20   	#ifdef _ERRNO_H
21   	
22   	# undef EDOM
23   	# undef EILSEQ
24   	# undef ERANGE
25   	# include <linux/errno.h>
26   	
27   	/* Linux has no ENOTSUP error code.  */
28   	# define ENOTSUP EOPNOTSUPP
29   	
30   	/* Older Linux versions also had no ECANCELED error code.  */
31   	# ifndef ECANCELED
32   	#  define ECANCELED	125
33   	# endif
34   	
35   	/* Support for error codes to support robust mutexes was added later, too.  */
36   	# ifndef EOWNERDEAD
37   	#  define EOWNERDEAD		130
38   	#  define ENOTRECOVERABLE	131
39   	# endif
40   	
41   	# ifndef ERFKILL
42   	#  define ERFKILL		132
43   	# endif
44   	
45   	# ifndef __ASSEMBLER__
46   	/* Function to get address of global `errno' variable.  */
47   	extern int *__errno_location (void) __THROW __attribute__ ((__const__));
48   	
49   	#  if !defined _LIBC || defined _LIBC_REENTRANT
50   	/* When using threads, errno is a per-thread value.  */
51   	#   define errno (*__errno_location ())
52   	#  endif
53   	# endif /* !__ASSEMBLER__ */
54   	#endif /* _ERRNO_H */
55   	
56   	#if !defined _ERRNO_H && defined __need_Emath
57   	/* This is ugly but the kernel header is not clean enough.  We must
58   	   define only the values EDOM, EILSEQ and ERANGE in case __need_Emath is
59   	   defined.  */
60   	# define EDOM	33	/* Math argument out of domain of function.  */
61   	# define EILSEQ	84	/* Illegal byte sequence.  */
62   	# define ERANGE	34	/* Math result not representable.  */
63   	#endif /* !_ERRNO_H && __need_Emath */
64