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. */
50extern 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