diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2006-08-23 23:20:30 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2006-08-23 23:20:30 +0000 |
| commit | 190da1cd0c221438c563b5b605ff811e9075e210 (patch) | |
| tree | ca5177a27d154dfa08b85d678ce6e33ac0672522 /libc/sysdeps/linux/common/bits/errno.h | |
| parent | e0605c73da33c6f06b13c4bdf5cb42db97cd4b30 (diff) | |
sync with psm: update errno handling to be the same on all arches
Diffstat (limited to 'libc/sysdeps/linux/common/bits/errno.h')
| -rw-r--r-- | libc/sysdeps/linux/common/bits/errno.h | 52 |
1 files changed, 29 insertions, 23 deletions
diff --git a/libc/sysdeps/linux/common/bits/errno.h b/libc/sysdeps/linux/common/bits/errno.h index 45a0ec0d1..78e8c6972 100644 --- a/libc/sysdeps/linux/common/bits/errno.h +++ b/libc/sysdeps/linux/common/bits/errno.h @@ -1,5 +1,5 @@ /* Error constants. Linux specific version. - Copyright (C) 1996, 1997, 1998, 1999, 2002 Free Software Foundation, Inc. + 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 @@ -19,35 +19,41 @@ #ifdef _ERRNO_H -#include <bits/errno_values.h> +# undef EDOM +# undef EILSEQ +# undef ERANGE +# include <bits/errno_values.h> -#ifndef ENOTSUP +/* Linux has no ENOTSUP error code. */ # define ENOTSUP EOPNOTSUPP -#endif -#ifndef ECANCELED -# define ECANCELED 125 -#endif - -#ifndef __ASSEMBLER__ +/* Older Linux versions also had no ECANCELED error code. */ +# ifndef ECANCELED +# define ECANCELED 125 +# endif -/* We now need a declaration of the `errno' variable. */ -extern int errno; +/* 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 IS_IN_libc || defined NOT_IN_libc ) -libc_hidden_proto(__errno_location) -/* We wouldn't need a special macro anymore but it is history. */ -# define __set_errno(val) ((errno) = (val)) -# endif /* _LIBC */ - -# ifdef __UCLIBC_HAS_THREADS__ +# ifdef __UCLIBC_HAS_THREADS__ /* When using threads, errno is a per-thread value. */ -# define errno (*__errno_location ()) -# endif - -#endif /* !__ASSEMBLER__ */ - +# 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 */ |