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/* Copyright (C) 1996,97,98,2002 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
int h_errno = 0;
weak_alias (h_errno, _h_errno)
/* This alias is needed by libpthread. */
strong_alias (h_errno, __libc_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
/* When threaded, h_errno may be a per-thread variable. */
int *
weak_const_function
__h_errno_location (void)
{
return &h_errno;
}
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