| /* |
| Copyright 2005-2010 Intel Corporation. All Rights Reserved. |
| |
| This file is part of Threading Building Blocks. |
| |
| Threading Building Blocks 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. |
| |
| Threading Building Blocks 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 Threading Building Blocks; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| |
| As a special exception, you may use this file as part of a free software |
| library without restriction. Specifically, if other files instantiate |
| templates or use macros or inline functions from this file, or you compile |
| this file and link it with other files to produce an executable, this |
| file does not by itself cause the resulting executable to be covered by |
| the GNU General Public License. This exception does not however |
| invalidate any other reasons why the executable file might be covered by |
| the GNU General Public License. |
| */ |
| |
| #ifndef __TBB_combinable_H |
| #define __TBB_combinable_H |
| |
| #include "enumerable_thread_specific.h" |
| #include "cache_aligned_allocator.h" |
| |
| namespace tbb { |
| /** \name combinable |
| **/ |
| //@{ |
| //! Thread-local storage with optional reduction |
| /** @ingroup containers */ |
| template <typename T> |
| class combinable { |
| private: |
| typedef typename tbb::cache_aligned_allocator<T> my_alloc; |
| |
| typedef typename tbb::enumerable_thread_specific<T, my_alloc, ets_no_key> my_ets_type; |
| my_ets_type my_ets; |
| |
| public: |
| |
| combinable() { } |
| |
| template <typename finit> |
| combinable( finit _finit) : my_ets(_finit) { } |
| |
| //! destructor |
| ~combinable() { |
| } |
| |
| combinable(const combinable& other) : my_ets(other.my_ets) { } |
| |
| combinable & operator=( const combinable & other) { my_ets = other.my_ets; return *this; } |
| |
| void clear() { my_ets.clear(); } |
| |
| T& local() { return my_ets.local(); } |
| |
| T& local(bool & exists) { return my_ets.local(exists); } |
| |
| // combine_func_t has signature T(T,T) or T(const T&, const T&) |
| template <typename combine_func_t> |
| T combine(combine_func_t f_combine) { return my_ets.combine(f_combine); } |
| |
| // combine_func_t has signature void(T) or void(const T&) |
| template <typename combine_func_t> |
| void combine_each(combine_func_t f_combine) { my_ets.combine_each(f_combine); } |
| |
| }; |
| } // namespace tbb |
| #endif /* __TBB_combinable_H */ |