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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/unix/sysv/linux/bits/errno.h
1 /* Error constants. Linux specific version.
2 Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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
25 # include <linux/errno.h>
27 /* Linux has no ENOTSUP error code. */
28 # define ENOTSUP EOPNOTSUPP
30 /* Linux also had no ECANCELED error code. Since it is not used here
31 we define it to an invalid value. */
33 # define ECANCELED 125
36 # ifndef __ASSEMBLER__
37 /* Function to get address of global `errno' variable. */
38 extern int *__errno_location (void) __THROW
__attribute__ ((__const__
));
40 # if !defined _LIBC || defined _LIBC_REENTRANT
41 /* When using threads, errno is a per-thread value. */
42 # define errno (*__errno_location ())
44 # endif /* !__ASSEMBLER__ */
47 #if !defined _ERRNO_H && defined __need_Emath
48 /* This is ugly but the kernel header is not clean enough. We must
49 define only the values EDOM, EILSEQ and ERANGE in case __need_Emath is
51 # define EDOM 33 /* Math argument out of domain of function. */
52 # define EILSEQ 84 /* Illegal byte sequence. */
53 # define ERANGE 34 /* Math result not representable. */
54 #endif /* !_ERRNO_H && __need_Emath */