/* 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__ /* 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 # 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 */