/* Thread-local data used by error handling for runtime dynamic linker. Copyright (C) 2002-2013 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/>. */ #ifdef _LIBC_REENTRANT # include <ldsodefs.h> # include <tls.h> # ifndef SHARED /* _dl_error_catch_tsd points to this for the single-threaded case. It's reset by the thread library for multithreaded programs if we're not using __thread. */ void ** __attribute__ ((const)) _dl_initial_error_catch_tsd (void) { static __thread void *data; return &data; } void **(*_dl_error_catch_tsd) (void) __attribute__ ((const)) = &_dl_initial_error_catch_tsd; # else /* libpthread sets _dl_error_catch_tsd to point to this function. We define it here instead of in libpthread so that it doesn't need to have a TLS segment of its own just for this one pointer. */ void ** __attribute__ ((const)) __libc_dl_error_tsd (void) { static __thread void *data attribute_tls_model_ie; return &data; } # endif /* SHARED */ #endif /* _LIBC_REENTRANT */