1 /* Error constants. Linux specific version.
2 Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
25 # include <linux/errno.h>
27 /* Linux has no ENOTSUP error code. */
28 # define ENOTSUP EOPNOTSUPP
30 /* Linux also has no ECANCELED error code. Since it is not used here
31 we define it to an invalid value. */
32 # define ECANCELED (-1)
34 # ifndef __ASSEMBLER__
35 /* We now need a declaration of the `errno' variable. */
38 /* Function to get address of global `errno' variable. */
39 extern int *__errno_location
__P ((void)) __attribute__ ((__const__
));
42 /* We wouldn't need a special macro anymore but it is history. */
43 # define __set_errno(val) (*__errno_location ()) = (val)
46 # if !defined _LIBC || defined _LIBC_REENTRANT
47 /* When using threads, errno is a per-thread value. */
48 # define errno (*__errno_location ())
50 # endif /* !__ASSEMBLER__ */
53 #if !defined _ERRNO_H && defined __need_Emath
54 /* This is ugly but the kernel header is not clean enough. We must
55 define only the values EDOM and ERANGE in case __need_Emath is
56 defined. The value is the same for all Linux ports. */
57 # define EDOM 33 /* Math argument out of domain of function. */
58 # define EILSEQ 84 /* Illegal byte sequence. */
59 # define ERANGE 34 /* Math result not representable. */
60 #endif /* !_ERRNO_H && __need_Emath */