projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | //---------------------------------------------------------------------------// |
| 2 | // Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@gmail.com> | |
| 3 | // | |
| 4 | // Distributed under the Boost Software License, Version 1.0 | |
| 5 | // See accompanying file LICENSE_1_0.txt or copy at | |
| 6 | // http://www.boost.org/LICENSE_1_0.txt | |
| 7 | // | |
| 8 | // See http://boostorg.github.com/compute for more information. | |
| 9 | //---------------------------------------------------------------------------// | |
| 10 | ||
| 11 | #ifndef BOOST_COMPUTE_DETAIL_GLOBAL_STATIC_HPP | |
| 12 | #define BOOST_COMPUTE_DETAIL_GLOBAL_STATIC_HPP | |
| 13 | ||
| 14 | #include <boost/compute/config.hpp> | |
| 15 | ||
| 16 | #ifdef BOOST_COMPUTE_THREAD_SAFE | |
| 17 | # ifdef BOOST_COMPUTE_HAVE_THREAD_LOCAL | |
| 18 | // use c++11 thread local storage | |
| 19 | # define BOOST_COMPUTE_DETAIL_GLOBAL_STATIC(type, name, ctor) \ | |
| 20 | thread_local type name ctor; | |
| 21 | # else | |
| 22 | // use thread_specific_ptr from boost.thread | |
| 23 | # include <boost/thread/tss.hpp> | |
| 24 | # define BOOST_COMPUTE_DETAIL_GLOBAL_STATIC(type, name, ctor) \ | |
| 25 | static ::boost::thread_specific_ptr< type > BOOST_PP_CAT(name, _tls_ptr_); \ | |
| 26 | if(!BOOST_PP_CAT(name, _tls_ptr_).get()){ \ | |
| 27 | BOOST_PP_CAT(name, _tls_ptr_).reset(new type ctor); \ | |
| 28 | } \ | |
| 29 | static type &name = *BOOST_PP_CAT(name, _tls_ptr_); | |
| 30 | # endif | |
| 31 | #else | |
| 32 | // no thread-safety, just use static | |
| 33 | # define BOOST_COMPUTE_DETAIL_GLOBAL_STATIC(type, name, ctor) \ | |
| 34 | static type name ctor; | |
| 35 | #endif | |
| 36 | ||
| 37 | #endif // BOOST_COMPUTE_DETAIL_GLOBAL_STATIC_HPP |