1 /* Error constants.  Linux specific version.
2    Copyright (C) 1996-1999, 2005, 2009, 2012 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