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/* errnos.h - error constants. Linux specific version.
Copyright (C) 1996 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. 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 ERANGE
#include <linux/errno.h>
#ifndef __ASSEMBLER__
#if defined __USE_REENTRANT && (!defined _LIBC || defined _LIBC_REENTRANT)
/* Declare alias of `errno' variable so it is accessible even if macro
with name `errno' is defined. */
extern int __errno;
/* When using threads, errno is a per-thread value. */
extern int *__errno_location __P ((void)) __attribute__ ((__const__));
#define errno (*__errno_location ())
#define __set_errno(val) errno = __errno = (val)
#else /* !__USE_REENTRENT || (_LIBC && !_LIBC_REENTRANT) */
#define __set_errno(val) errno = (val)
#endif /* __USE_REENTRANT && (!_LIBC || _LIBC_REENTRANT) */
#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 and ERANGE in case __need_Emath is
defined. The value is the same for all Linux ports. */
#define EDOM 33 /* Math argument out of domain of function. */
#define ERANGE 34 /* Math result not representable. */
#endif /* !_ERRNO_H && __need_Emath */
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