/* Copyright (C) 1996,97,98,2002,2003 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. */ #include <features.h> #include <netdb.h> #undef h_errno #include <tls.h> /* We need to have the error status variable of the resolver accessible in the libc. */ #if USE___THREAD __thread int h_errno; extern __thread int __libc_h_errno __attribute__ ((alias ("h_errno"))) attribute_hidden; # define h_errno __libc_h_errno #else /* This differs from plain `int h_errno;' in that it doesn't create a common definition, but a plain symbol that resides in .bss, which can have an alias. */ int h_errno __attribute__((section (".bss"))); weak_alias (h_errno, _h_errno) /* We declare these with compat_symbol so that they are not visible at link time. Programs must use the accessor functions. */ # if defined HAVE_ELF && defined SHARED && defined DO_VERSIONING # include <shlib-compat.h> compat_symbol (libc, h_errno, h_errno, GLIBC_2_0); compat_symbol (libc, _h_errno, _h_errno, GLIBC_2_0); # endif #endif