| /* |
| * This file is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License, version 2, |
| * as published by the Free Software Foundation. |
| * |
| * In addition to the permissions in the GNU General Public License, |
| * the authors give you unlimited permission to link the compiled |
| * version of this file into combinations with other programs, |
| * and to distribute those combinations without any restriction |
| * coming from the use of this file. (The General Public License |
| * restrictions do apply in other respects; for example, they cover |
| * modification of the file, and distribution when not linked into |
| * a combined executable.) |
| * |
| * This file 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 |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; see the file COPYING. If not, write to |
| * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| #ifndef INCLUDE_git_thread_utils_h__ |
| #define INCLUDE_git_thread_utils_h__ |
| |
| /* |
| * How TLS works is compiler+platform dependant |
| * Sources: http://en.wikipedia.org/wiki/Thread-Specific_Storage |
| * http://predef.sourceforge.net/precomp.html |
| */ |
| |
| #define GIT_HAS_TLS 1 |
| |
| #if defined(__APPLE__) && defined(__MACH__) |
| # undef GIT_TLS |
| |
| #elif defined(__GNUC__) || \ |
| defined(__SUNPRO_C) || \ |
| defined(__SUNPRO_CC) || \ |
| defined(__xlc__) || \ |
| defined(__xlC__) |
| # define GIT_TLS __thread |
| |
| #elif defined(__INTEL_COMPILER) |
| # if defined(_WIN32) || defined(_WIN32_CE) |
| # define GIT_TLS __declspec(thread) |
| # else |
| # define GIT_TLS __thread |
| # endif |
| |
| #elif defined(_WIN32) || \ |
| defined(_WIN32_CE) || \ |
| defined(__BORLANDC__) |
| # define GIT_TLS __declspec(thread) |
| |
| #else |
| # undef GIT_HAS_TLS |
| # define GIT_TLS /* nothing: tls vars are thread-global */ |
| #endif |
| |
| /* sparse and cygwin don't grok thread-local variables */ |
| #if defined(__CHECKER__) || defined(__CYGWIN__) |
| # undef GIT_HAS_TLS |
| # undef GIT_TLS |
| # define GIT_TLS |
| #endif |
| |
| #endif /* INCLUDE_git_thread_utils_h__ */ |
