1 /* Error constants. Linux specific version. 2 Copyright (C) 1996-1999, 2005, 2009 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 ERFKILL 42 # define ERFKILL 132 43 # endif 44 45 # ifndef __ASSEMBLER__ 46 /* Function to get address of global `errno' variable. */ 47 extern int *__errno_location (void) __THROW __attribute__ ((__const__)); 48 49 # if !defined _LIBC || defined _LIBC_REENTRANT 50 /* When using threads, errno is a per-thread value. */ 51 # define errno (*__errno_location ()) 52 # endif 53 # endif /* !__ASSEMBLER__ */ 54 #endif /* _ERRNO_H */ 55 56 #if !defined _ERRNO_H && defined __need_Emath 57 /* This is ugly but the kernel header is not clean enough. We must 58 define only the values EDOM, EILSEQ and ERANGE in case __need_Emath is 59 defined. */ 60 # define EDOM 33 /* Math argument out of domain of function. */ 61 # define EILSEQ 84 /* Illegal byte sequence. */ 62 # define ERANGE 34 /* Math result not representable. */ 63 #endif /* !_ERRNO_H && __need_Emath */ 64