GNU Octave  6.2.0
A high-level interpreted language, primarily intended for numerical computations, mostly compatible with Matlab
oct-refcount.h
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25 
26 #if ! defined (octave_oct_refcount_h)
27 #define octave_oct_refcount_h 1
28 
29 #include "octave-config.h"
30 
31 #include <atomic>
32 
33 namespace octave
34 {
35  // Encapsulates a reference counter.
36 
37  template <typename T>
38  class refcount
39  {
40  public:
41 
42  typedef T count_type;
43 
44  refcount (count_type initial_count)
45  : m_count (initial_count)
46  { }
47 
48  refcount (const refcount&) = delete;
49 
50  refcount& operator = (const refcount&) = delete;
51 
52  ~refcount (void) = default;
53 
54  // Increment/Decrement. int is postfix.
56  {
57  return ++m_count;
58  }
59 
61  {
62  return m_count++;
63  }
64 
66  {
67  return --m_count;
68  }
69 
71  {
72  return m_count--;
73  }
74 
75  count_type value (void) const
76  {
77  return m_count.load ();
78  }
79 
80  operator count_type (void) const
81  {
82  return value ();
83  }
84 
85  private:
86 
87  std::atomic<T> m_count;
88  };
89 }
90 
91 #endif
refcount & operator=(const refcount &)=delete
count_type operator--(void)
Definition: oct-refcount.h:65
refcount(const refcount &)=delete
count_type operator++(void)
Definition: oct-refcount.h:55
refcount(count_type initial_count)
Definition: oct-refcount.h:44
count_type value(void) const
Definition: oct-refcount.h:75
std::atomic< T > m_count
Definition: oct-refcount.h:87
~refcount(void)=default