diff options
Diffstat (limited to 'include/errno.h')
-rw-r--r-- | include/errno.h | 76 |
1 files changed, 8 insertions, 68 deletions
diff --git a/include/errno.h b/include/errno.h index 645a439db7..35f705100e 100644 --- a/include/errno.h +++ b/include/errno.h @@ -1,73 +1,13 @@ -/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc. - This file is part of the GNU C Library. +#include <stdlib/errno.h> - 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. +#ifdef _ERRNO_H - 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. */ - -/* - * ISO C99 Standard: 7.5 Errors <errno.h> - */ - -#ifndef _ERRNO_H - -/* The includer defined __need_Emath if he wants only the definitions - of EDOM and ERANGE, and not everything else. */ -#ifndef __need_Emath -#define _ERRNO_H 1 -#include <features.h> +#if USE_TLS && HAVE___THREAD +# undef errno +extern __thread int errno; +# define __set_errno(val) (errno = (val)) +#else +# define __set_errno(val) (*__errno_location ()) = (val) #endif -__BEGIN_DECLS - -/* Get the error number constants from the system-specific file. - This file will test __need_Emath and _ERRNO_H. */ -#include <bits/errno.h> -#undef __need_Emath - -#ifdef _ERRNO_H - -/* Declare the `errno' variable, unless it's defined as a macro by - bits/errno.h. This is the case in GNU, where it is a per-thread - variable. This redeclaration using the macro still works, but it - will be a function declaration without a prototype and may trigger - a -Wstrict-prototypes warning. */ -#ifndef errno -extern int errno; -#endif - -#ifdef __USE_GNU - -/* The full and simple forms of the name with which the program was - invoked. These variables are set up automatically at startup based on - the value of ARGV[0] (this works only if you use GNU ld). */ -extern char *program_invocation_name, *program_invocation_short_name; -#endif /* __USE_GNU */ -#endif /* _ERRNO_H */ - -__END_DECLS - -#endif /* _ERRNO_H */ - -/* The Hurd <bits/errno.h> defines `error_t' as an enumerated type so - that printing `error_t' values in the debugger shows the names. We - might need this definition sometimes even if this file was included - before. */ -#if defined __USE_GNU || defined __need_error_t -# ifndef __error_t_defined -typedef int error_t; -# define __error_t_defined 1 -# endif -# undef __need_error_t #endif |