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 
20 #define __TBB_combinable_H_include_area
22 
25 
26 namespace tbb {
30 
32  template <typename T>
33  class combinable {
34 
35  private:
38  my_ets_type my_ets;
39 
40  public:
41 
42  combinable() { }
43 
44  template <typename finit>
45  explicit combinable( finit _finit) : my_ets(_finit) { }
46 
49 
50  combinable( const combinable& other) : my_ets(other.my_ets) { }
51 
52 #if __TBB_ETS_USE_CPP11
53  combinable( combinable&& other) : my_ets( std::move(other.my_ets)) { }
54 #endif
55 
56  combinable & operator=( const combinable & other) {
57  my_ets = other.my_ets;
58  return *this;
59  }
60 
61 #if __TBB_ETS_USE_CPP11
63  my_ets=std::move(other.my_ets);
64  return *this;
65  }
66 #endif
67 
68  void clear() { my_ets.clear(); }
69 
70  T& local() { return my_ets.local(); }
71 
72  T& local(bool & exists) { return my_ets.local(exists); }
73 
74  // combine_func_t has signature T(T,T) or T(const T&, const T&)
75  template <typename combine_func_t>
76  T combine(combine_func_t f_combine) { return my_ets.combine(f_combine); }
77 
78  // combine_func_t has signature void(T) or void(const T&)
79  template <typename combine_func_t>
80  void combine_each(combine_func_t f_combine) { my_ets.combine_each(f_combine); }
81 
82  };
83 } // namespace tbb
84 
86 #undef __TBB_combinable_H_include_area
87 
88 #endif /* __TBB_combinable_H */
my_ets_type my_ets
Definition: combinable.h:38
T & local(bool &exists)
Definition: combinable.h:72
The enumerable_thread_specific container.
combinable & operator=(combinable &&other)
Definition: combinable.h:62
The graph class.
combinable(const combinable &other)
Definition: combinable.h:50
void combine_each(combine_func_t f_combine)
Definition: combinable.h:80
void move(tbb_thread &t1, tbb_thread &t2)
Definition: tbb_thread.h:319
tbb::cache_aligned_allocator< T > my_alloc
Definition: combinable.h:36
Meets "allocator" requirements of ISO C++ Standard, Section 20.1.5.
STL namespace.
T combine(combine_func_t f_combine)
Definition: combinable.h:76
combinable(combinable &&other)
Definition: combinable.h:53
combinable & operator=(const combinable &other)
Definition: combinable.h:56
~combinable()
destructor
Definition: combinable.h:48
combinable(finit _finit)
Definition: combinable.h:45
tbb::enumerable_thread_specific< T, my_alloc, ets_no_key > my_ets_type
Definition: combinable.h:37
reference local()
returns reference to local, discarding exists
Thread-local storage with optional reduction.
Definition: combinable.h:33

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