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# combinable.h

    00001 /*
    00002     Copyright 2005-2012 Intel Corporation.  All Rights Reserved.
    00003
    00004     This file is part of Threading Building Blocks.
    00005
    00006     Threading Building Blocks is free software; you can redistribute it
    00007     and/or modify it under the terms of the GNU General Public License
    00008     version 2 as published by the Free Software Foundation.
    00009
    00010     Threading Building Blocks is distributed in the hope that it will be
    00011     useful, but WITHOUT ANY WARRANTY; without even the implied warranty
    00012     of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00013     GNU General Public License for more details.
    00014
    00015     You should have received a copy of the GNU General Public License
    00016     along with Threading Building Blocks; if not, write to the Free Software
    00017     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    00018
    00019     As a special exception, you may use this file as part of a free software
    00020     library without restriction.  Specifically, if other files instantiate
    00021     templates or use macros or inline functions from this file, or you compile
    00022     this file and link it with other files to produce an executable, this
    00023     file does not by itself cause the resulting executable to be covered by
    00024     the GNU General Public License.  This exception does not however
    00025     invalidate any other reasons why the executable file might be covered by
    00026     the GNU General Public License.
    00027 */
    00028
    00029 #ifndef __TBB_combinable_H
    00030 #define __TBB_combinable_H
    00031
    00032 #include "enumerable_thread_specific.h"
    00033 #include "cache_aligned_allocator.h"
    00034
    00035 namespace tbb {
    00039
    00040
    00041     template <typename T>
    00042         class combinable {
    00043     private:
    00044         typedef typename tbb::cache_aligned_allocator<T> my_alloc;
    00045
    00046         typedef typename tbb::enumerable_thread_specific<T, my_alloc, ets_no_key> my_ets_type;
    00047         my_ets_type my_ets;
    00048
    00049     public:
    00050
    00051         combinable() { }
    00052
    00053         template <typename finit>
    00054         combinable( finit _finit) : my_ets(_finit) { }
    00055
    00057         ~combinable() {
    00058         }
    00059
    00060         combinable(const combinable& other) : my_ets(other.my_ets) { }
    00061
    00062         combinable & operator=( const combinable & other) { my_ets = other.my_ets; return *this; }
    00063
    00064         void clear() { my_ets.clear(); }
    00065
    00066         T& local() { return my_ets.local(); }
    00067
    00068         T& local(bool & exists) { return my_ets.local(exists); }
    00069
    00070         // combine_func_t has signature T(T,T) or T(const T&, const T&)
    00071         template <typename combine_func_t>
    00072         T combine(combine_func_t f_combine) { return my_ets.combine(f_combine); }
    00073
    00074         // combine_func_t has signature void(T) or void(const T&)
    00075         template <typename combine_func_t>
    00076         void combine_each(combine_func_t f_combine) { my_ets.combine_each(f_combine); }
    00077
    00078     };
    00079 } // namespace tbb
    00080 #endif /* __TBB_combinable_H */

Copyright © 2005-2012 Intel Corporation. All Rights Reserved.

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