2 Copyright 2005-2011 Intel Corporation. All Rights Reserved.
4 This file is part of Threading Building Blocks.
6 Threading Building Blocks is free software; you can redistribute it
7 and/or modify it under the terms of the GNU General Public License
8 version 2 as published by the Free Software Foundation.
10 Threading Building Blocks is distributed in the hope that it will be
11 useful, but WITHOUT ANY WARRANTY; without even the implied warranty
12 of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with Threading Building Blocks; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 As a special exception, you may use this file as part of a free software
20 library without restriction. Specifically, if other files instantiate
21 templates or use macros or inline functions from this file, or you compile
22 this file and link it with other files to produce an executable, this
23 file does not by itself cause the resulting executable to be covered by
24 the GNU General Public License. This exception does not however
25 invalidate any other reasons why the executable file might be covered by
26 the GNU General Public License.
29 #ifndef __TBB_combinable_H
30 #define __TBB_combinable_H
32 #include "enumerable_thread_specific.h"
33 #include "cache_aligned_allocator.h"
39 //! Thread-local storage with optional reduction
40 /** @ingroup containers */
44 typedef typename tbb::cache_aligned_allocator<T> my_alloc;
46 typedef typename tbb::enumerable_thread_specific<T, my_alloc, ets_no_key> my_ets_type;
53 template <typename finit>
54 combinable( finit _finit) : my_ets(_finit) { }
60 combinable(const combinable& other) : my_ets(other.my_ets) { }
62 combinable & operator=( const combinable & other) { my_ets = other.my_ets; return *this; }
64 void clear() { my_ets.clear(); }
66 T& local() { return my_ets.local(); }
68 T& local(bool & exists) { return my_ets.local(exists); }
70 // combine_func_t has signature T(T,T) or T(const T&, const T&)
71 template <typename combine_func_t>
72 T combine(combine_func_t f_combine) { return my_ets.combine(f_combine); }
74 // combine_func_t has signature void(T) or void(const T&)
75 template <typename combine_func_t>
76 void combine_each(combine_func_t f_combine) { my_ets.combine_each(f_combine); }
80 #endif /* __TBB_combinable_H */