| /* MPFR internal header related to thread-local variables. |
| |
| Copyright 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. |
| Contributed by the Arenaire and Cacao projects, INRIA. |
| |
| This file is part of the GNU MPFR Library. |
| |
| The GNU MPFR 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 MPFR 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 MPFR Library; see the file COPYING.LIB. If not, write to |
| the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
| MA 02110-1301, USA. */ |
| |
| #ifndef __MPFR_THREAD_H__ |
| #define __MPFR_THREAD_H__ |
| |
| /* Note: Let's define MPFR_THREAD_ATTR even after a #error to make the |
| error message more visible (e.g. gcc doesn't immediately stop after |
| the #error line and outputs many error messages if MPFR_THREAD_ATTR |
| is not defined). But some compilers will just output a message and |
| may build MPFR "successfully" (without thread support). */ |
| #ifndef MPFR_THREAD_ATTR |
| # ifdef MPFR_USE_THREAD_SAFE |
| # if defined(_MSC_VER) |
| # if defined(_WINDLL) |
| # error "Can't build MPFR DLL as thread safe." |
| # define MPFR_THREAD_ATTR |
| # else |
| # define MPFR_THREAD_ATTR __declspec( thread ) |
| # endif |
| # else |
| # define MPFR_THREAD_ATTR __thread |
| # endif |
| # else |
| # define MPFR_THREAD_ATTR |
| # endif |
| #endif |
| |
| #endif |