/* __errno_location -- helper function for locating per-thread errno value

   Copyright (C) 2002-2018 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/>.  */

#if IS_IN (rtld)

/* rtld can not access TLS too early, thus rtld_errno.

   Instead of making __open/__close pass errno from TLS to rtld_errno, simply

   use a weak __errno_location using rtld_errno, which will be overriden by the

   libc definition.  */

static int rtld_errno;

int * weak_function

__errno_location (void)

{

  return &rtld_errno;

}

libc_hidden_weak (__errno_location)

#else

#include "../../../csu/errno-loc.c"

#endif