combinable.h Source File

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# combinable.h

    00001 /*
    00002     Copyright 2005-2010 Intel Corporation.  All Rights Reserved.
    00003
    00004     The source code contained or described herein and all documents related
    00005     to the source code ("Material") are owned by Intel Corporation or its
    00006     suppliers or licensors.  Title to the Material remains with Intel
    00007     Corporation or its suppliers and licensors.  The Material is protected
    00008     by worldwide copyright laws and treaty provisions.  No part of the
    00009     Material may be used, copied, reproduced, modified, published, uploaded,
    00010     posted, transmitted, distributed, or disclosed in any way without
    00011     Intel's prior express written permission.
    00012
    00013     No license under any patent, copyright, trade secret or other
    00014     intellectual property right is granted to or conferred upon you by
    00015     disclosure or delivery of the Materials, either expressly, by
    00016     implication, inducement, estoppel or otherwise.  Any license under such
    00017     intellectual property rights must be express and approved by Intel in
    00018     writing.
    00019 */
    00020
    00021 #ifndef __TBB_combinable_H
    00022 #define __TBB_combinable_H
    00023
    00024 #include "enumerable_thread_specific.h"
    00025 #include "cache_aligned_allocator.h"
    00026
    00027 namespace tbb {
    00031
    00032
    00033     template <typename T>
    00034         class combinable {
    00035     private:
    00036         typedef typename tbb::cache_aligned_allocator<T> my_alloc;
    00037
    00038         typedef typename tbb::enumerable_thread_specific<T, my_alloc, ets_no_key> my_ets_type;
    00039         my_ets_type my_ets;
    00040
    00041     public:
    00042
    00043         combinable() { }
    00044
    00045         template <typename finit>
    00046         combinable( finit _finit) : my_ets(_finit) { }
    00047
    00049         ~combinable() {
    00050         }
    00051
    00052         combinable(const combinable& other) : my_ets(other.my_ets) { }
    00053
    00054         combinable & operator=( const combinable & other) { my_ets = other.my_ets; return *this; }
    00055
    00056         void clear() { my_ets.clear(); }
    00057
    00058         T& local() { return my_ets.local(); }
    00059
    00060         T& local(bool & exists) { return my_ets.local(exists); }
    00061
    00062         // combine_func_t has signature T(T,T) or T(const T&, const T&)
    00063         template <typename combine_func_t>
    00064         T combine(combine_func_t f_combine) { return my_ets.combine(f_combine); }
    00065
    00066         // combine_func_t has signature void(T) or void(const T&)
    00067         template <typename combine_func_t>
    00068         void combine_each(combine_func_t f_combine) { my_ets.combine_each(f_combine); }
    00069
    00070     };
    00071 } // namespace tbb
    00072 #endif /* __TBB_combinable_H */

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