Intel(R) Threading Building Blocks Doxygen Documentation  version 4.2.3
combinable.h
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1 /*
2  Copyright (c) 2005-2019 Intel Corporation
3 
4  Licensed under the Apache License, Version 2.0 (the "License");
5  you may not use this file except in compliance with the License.
6  You may obtain a copy of the License at
7 
8  http://www.apache.org/licenses/LICENSE-2.0
9 
10  Unless required by applicable law or agreed to in writing, software
11  distributed under the License is distributed on an "AS IS" BASIS,
12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  See the License for the specific language governing permissions and
14  limitations under the License.
15 */
16 
17 #ifndef __TBB_combinable_H
18 #define __TBB_combinable_H
19 
22 
23 namespace tbb {
27 
29  template <typename T>
30  class combinable {
31 
32  private:
35  my_ets_type my_ets;
36 
37  public:
38 
39  combinable() { }
40 
41  template <typename finit>
42  explicit combinable( finit _finit) : my_ets(_finit) { }
43 
46 
47  combinable( const combinable& other) : my_ets(other.my_ets) { }
48 
49 #if __TBB_ETS_USE_CPP11
50  combinable( combinable&& other) : my_ets( std::move(other.my_ets)) { }
51 #endif
52 
53  combinable & operator=( const combinable & other) {
54  my_ets = other.my_ets;
55  return *this;
56  }
57 
58 #if __TBB_ETS_USE_CPP11
60  my_ets=std::move(other.my_ets);
61  return *this;
62  }
63 #endif
64 
65  void clear() { my_ets.clear(); }
66 
67  T& local() { return my_ets.local(); }
68 
69  T& local(bool & exists) { return my_ets.local(exists); }
70 
71  // combine_func_t has signature T(T,T) or T(const T&, const T&)
72  template <typename combine_func_t>
73  T combine(combine_func_t f_combine) { return my_ets.combine(f_combine); }
74 
75  // combine_func_t has signature void(T) or void(const T&)
76  template <typename combine_func_t>
77  void combine_each(combine_func_t f_combine) { my_ets.combine_each(f_combine); }
78 
79  };
80 } // namespace tbb
81 #endif /* __TBB_combinable_H */
reference local()
returns reference to local, discarding exists
combinable(finit _finit)
Definition: combinable.h:42
combinable(const combinable &other)
Definition: combinable.h:47
~combinable()
destructor
Definition: combinable.h:45
combinable & operator=(combinable &&other)
Definition: combinable.h:59
The graph class.
tbb::enumerable_thread_specific< T, my_alloc, ets_no_key > my_ets_type
Definition: combinable.h:34
combinable & operator=(const combinable &other)
Definition: combinable.h:53
tbb::cache_aligned_allocator< T > my_alloc
Definition: combinable.h:33
T & local(bool &exists)
Definition: combinable.h:69
Thread-local storage with optional reduction.
Definition: combinable.h:30
T combine(combine_func_t f_combine)
Definition: combinable.h:73
void move(tbb_thread &t1, tbb_thread &t2)
Definition: tbb_thread.h:305
STL namespace.
combinable(combinable &&other)
Definition: combinable.h:50
The enumerable_thread_specific container.
Meets "allocator" requirements of ISO C++ Standard, Section 20.1.5.
my_ets_type my_ets
Definition: combinable.h:35
void combine_each(combine_func_t f_combine)
Definition: combinable.h:77

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