glibc/sysdeps/unix/sysv/linux/bits/errno.h
Jakub Jelinek 0ecb606cb6 2.5-18.1
2007-07-12 18:26:36 +00:00

60 lines
2.1 KiB
C

/* Error constants. Linux specific version.
Copyright (C) 1996, 1997, 1998, 1999, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifdef _ERRNO_H
# undef EDOM
# undef EILSEQ
# undef ERANGE
# include <linux/errno.h>
/* Linux has no ENOTSUP error code. */
# define ENOTSUP EOPNOTSUPP
/* Older Linux versions also had no ECANCELED error code. */
# ifndef ECANCELED
# define ECANCELED 125
# endif
/* Support for error codes to support robust mutexes was added later, too. */
# ifndef EOWNERDEAD
# define EOWNERDEAD 130
# define ENOTRECOVERABLE 131
# endif
# ifndef __ASSEMBLER__
/* Function to get address of global `errno' variable. */
extern int *__errno_location (void) __THROW __attribute__ ((__const__));
# if !defined _LIBC || defined _LIBC_REENTRANT
/* When using threads, errno is a per-thread value. */
# define errno (*__errno_location ())
# endif
# endif /* !__ASSEMBLER__ */
#endif /* _ERRNO_H */
#if !defined _ERRNO_H && defined __need_Emath
/* This is ugly but the kernel header is not clean enough. We must
define only the values EDOM, EILSEQ and ERANGE in case __need_Emath is
defined. */
# define EDOM 33 /* Math argument out of domain of function. */
# define EILSEQ 84 /* Illegal byte sequence. */
# define ERANGE 34 /* Math result not representable. */
#endif /* !_ERRNO_H && __need_Emath */