/* Definition of `errno' variable. Canonical version. Copyright (C) 2002-2024 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 <https://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