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+/* Error constants. Linux specific version.
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+ Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Library General Public License as
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+ published by the Free Software Foundation; either version 2 of the
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+ License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Library General Public License for more details.
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+
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+ You should have received a copy of the GNU Library General Public
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+ License along with the GNU C Library; see the file COPYING.LIB. If not,
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+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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+ Boston, MA 02111-1307, USA. */
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+
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+#ifdef _ERRNO_H
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+
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+# undef EDOM
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+# undef EILSEQ
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+# undef ERANGE
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+# include <linux/errno.h>
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+
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+/* Linux has no ENOTSUP error code. */
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+# define ENOTSUP EOPNOTSUPP
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+
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+/* Linux also has no ECANCELED error code. Since it is not used here
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+ we define it to an invalid value. */
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+# define ECANCELED 125
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+
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+# ifndef __ASSEMBLER__
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+/* We now need a declaration of the `errno' variable. */
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+extern int errno;
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+
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+/* Function to get address of global `errno' variable. */
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+extern int *__errno_location (void) __THROW __attribute__ ((__const__));
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+
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+# if defined _LIBC
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+/* We wouldn't need a special macro anymore but it is history. */
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+# define __set_errno(val) (*__errno_location ()) = (val)
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+# endif /* _LIBC */
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+
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+# if !defined _LIBC || defined _LIBC_REENTRANT
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+/* When using threads, errno is a per-thread value. */
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+# define errno (*__errno_location ())
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+# endif
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+# endif /* !__ASSEMBLER__ */
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+#endif /* _ERRNO_H */
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+
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+#if !defined _ERRNO_H && defined __need_Emath
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+/* This is ugly but the kernel header is not clean enough. We must
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+ define only the values EDOM, EILSEQ and ERANGE in case __need_Emath is
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+ defined. */
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+# define EDOM 33 /* Math argument out of domain of function. */
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+# define EILSEQ 84 /* Illegal byte sequence. */
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+# define ERANGE 34 /* Math result not representable. */
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+#endif /* !_ERRNO_H && __need_Emath */
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