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- /* Error constants. Linux specific version.
- Copyright (C) 1996, 1997, 1998, 1999 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 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.
- 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. */
- #ifdef _ERRNO_H
- # undef EDOM
- # undef EILSEQ
- # undef ERANGE
- # include <linux/errno.h>
- /* Linux has no ENOTSUP error code. */
- # define ENOTSUP EOPNOTSUPP
- /* Linux also has no ECANCELED error code. Since it is not used here
- we define it to an invalid value. */
- # define ECANCELED 125
- # ifndef __ASSEMBLER__
- __BEGIN_DECLS
- /* We now need a declaration of the `errno' variable. */
- extern int errno;
- /* Function to get address of global `errno' variable. */
- extern int *__errno_location (void) __THROW __attribute__ ((__const__));
- # if defined _LIBC
- /* We wouldn't need a special macro anymore but it is history. */
- # define __set_errno(val) (*__errno_location ()) = (val)
- # endif /* _LIBC */
- # if !defined _LIBC || defined _LIBC_REENTRANT
- /* When using threads, errno is a per-thread value. */
- # define errno (*__errno_location ())
- # endif
- __END_DECLS
- # 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 */
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