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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__
/* We now need a declaration of the `errno' variable. */
extern int errno;
/* Function to get address of global `errno' variable. */
extern int *__errno_location __P ((void)) __attribute__ ((__const__));
# if defined _LIBC
# ifdef _LIBC_REENTRANT
static inline int
__set_errno (int __err)
{
return *__errno_location () = errno = __err;
}
# define __set_errno __set_errno
# else /* !_LIBC_REENTRANT */
# define __set_errno(val) errno = (val)
# endif /* _LIBC_REENTRANT */
# endif /* _LIBC */
# if defined __USE_REENTRANT && (!defined _LIBC || defined _LIBC_REENTRANT)
/* When using threads, errno is a per-thread value. */
# 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 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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