| /* Thread-local data used by error handling for runtime dynamic linker. |
| Copyright (C) 2002-2014 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 */ |
