| /* Definition of `errno' variable. Canonical version. |
| Copyright (C) 2002-2016 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 <errno.h> |
| #include <tls.h> |
| #include <dl-sysdep.h> |
| #undef errno |
| |
| #if RTLD_PRIVATE_ERRNO |
| |
| /* Code compiled for rtld refers only to this name. */ |
| int rtld_errno attribute_hidden; |
| |
| #else |
| |
| __thread int errno; |
| extern __thread int __libc_errno __attribute__ ((alias ("errno"))) |
| attribute_hidden; |
| |
| #endif |