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      1 /* Error constants.  Linux specific version.
      2    Copyright (C) 1996, 1997, 1998, 1999, 2005 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, write to the Free
     17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
     18    02111-1307 USA.  */
     19 
     20 #ifdef _ERRNO_H
     21 
     22 # undef EDOM
     23 # undef EILSEQ
     24 # undef ERANGE
     25 # include <linux/errno.h>
     26 
     27 /* Linux has no ENOTSUP error code.  */
     28 # define ENOTSUP EOPNOTSUPP
     29 
     30 /* Older Linux versions also had no ECANCELED error code.  */
     31 # ifndef ECANCELED
     32 #  define ECANCELED	125
     33 # endif
     34 
     35 /* Support for error codes to support robust mutexes was added later, too.  */
     36 # ifndef EOWNERDEAD
     37 #  define EOWNERDEAD		130
     38 #  define ENOTRECOVERABLE	131
     39 # endif
     40 
     41 # ifndef __ASSEMBLER__
     42 /* Function to get address of global `errno' variable.  */
     43 extern int *__errno_location (void) __THROW __attribute__ ((__const__));
     44 
     45 #  if !defined _LIBC || defined _LIBC_REENTRANT
     46 /* When using threads, errno is a per-thread value.  */
     47 #   define errno (*__errno_location ())
     48 #  endif
     49 # endif /* !__ASSEMBLER__ */
     50 #endif /* _ERRNO_H */
     51 
     52 #if !defined _ERRNO_H && defined __need_Emath
     53 /* This is ugly but the kernel header is not clean enough.  We must
     54    define only the values EDOM, EILSEQ and ERANGE in case __need_Emath is
     55    defined.  */
     56 # define EDOM	33	/* Math argument out of domain of function.  */
     57 # define EILSEQ	84	/* Illegal byte sequence.  */
     58 # define ERANGE	34	/* Math result not representable.  */
     59 #endif /* !_ERRNO_H && __need_Emath */
     60