1    	/* Error constants.  Linux specific version.
2    	   Copyright (C) 1996-2015 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, see
17   	   <http://www.gnu.org/licenses/>.  */
18   	
19   	#ifdef _ERRNO_H
20   	
21   	# undef EDOM
22   	# undef EILSEQ
23   	# undef ERANGE
24   	# include <linux/errno.h>
25   	
26   	/* Linux has no ENOTSUP error code.  */
27   	# define ENOTSUP EOPNOTSUPP
28   	
29   	/* Older Linux versions also had no ECANCELED error code.  */
30   	# ifndef ECANCELED
31   	#  define ECANCELED	125
32   	# endif
33   	
34   	/* Support for error codes to support robust mutexes was added later, too.  */
35   	# ifndef EOWNERDEAD
36   	#  define EOWNERDEAD		130
37   	#  define ENOTRECOVERABLE	131
38   	# endif
39   	
40   	# ifndef ERFKILL
41   	#  define ERFKILL		132
42   	# endif
43   	
44   	# ifndef EHWPOISON
45   	#  define EHWPOISON		133
46   	# endif
47   	
48   	# ifndef __ASSEMBLER__
49   	/* Function to get address of global `errno' variable.  */
50   	extern int *__errno_location (void) __THROW __attribute__ ((__const__));
51   	
52   	#  if !defined _LIBC || defined _LIBC_REENTRANT
53   	/* When using threads, errno is a per-thread value.  */
54   	#   define errno (*__errno_location ())
55   	#  endif
56   	# endif /* !__ASSEMBLER__ */
57   	#endif /* _ERRNO_H */
58   	
59   	#if !defined _ERRNO_H && defined __need_Emath
60   	/* This is ugly but the kernel header is not clean enough.  We must
61   	   define only the values EDOM, EILSEQ and ERANGE in case __need_Emath is
62   	   defined.  */
63   	# define EDOM	33	/* Math argument out of domain of function.  */
64   	# define EILSEQ	84	/* Illegal byte sequence.  */
65   	# define ERANGE	34	/* Math result not representable.  */
66   	#endif /* !_ERRNO_H && __need_Emath */
67