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/* 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, see
<http://www.gnu.org/licenses/>. */
#include <netdb.h>
#include <tls.h>
#include <linuxthreads/internals.h>
#include <sysdep-cancel.h>
#ifndef __UCLIBC_HAS_TLS__
# undef h_errno
extern int h_errno;
#endif
/* When threaded, h_errno may be a per-thread variable. */
int *
weak_const_function
__h_errno_location (void)
{
#ifndef __UCLIBC_HAS_TLS__
if (! SINGLE_THREAD_P)
{
pthread_descr self = thread_self();
return LIBC_THREAD_GETMEM (self, p_h_errnop);
}
#endif
return &h_errno;
}
libc_hidden_def (__h_errno_location)
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