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Teuchos_RCPStdSharedPtrConversionsDecl.hpp
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41 
42 #ifndef TEUCHOS_RCP_STD_SHAREDPTR_CONVERSIONS_DECL_HPP
43 #define TEUCHOS_RCP_STD_SHAREDPTR_CONVERSIONS_DECL_HPP
44 
45 #include "Teuchos_RCPDecl.hpp"
46 #include <memory>
47 
48 
49 namespace Teuchos {
50 
51 
71 template<class T>
73 {
74 public:
76  DeallocStdSharedPtr( const std::shared_ptr<T> &sptr ) : sptr_(sptr) {}
78  typedef T ptr_t;
80  void free( T* ptr_in ) const { sptr_.reset(); }
82  const std::shared_ptr<T>& ptr() const { return sptr_; }
83 private:
84  mutable std::shared_ptr<T> sptr_;
85  DeallocStdSharedPtr(); // Not defined and not to be called!
86 };
87 
88 
94 template<class T>
96 {
97 public:
99  StdSharedPtrRCPDeleter( const RCP<T> &rcp ) : rcp_(rcp) {}
101  typedef void result_type;
103  typedef T * argument_type;
105  void operator()(T * x) const { rcp_ = null; }
107  const RCP<T>& ptr() const { return rcp_; }
108 private:
109  mutable RCP<T> rcp_;
110  StdSharedPtrRCPDeleter(); // Not defined and not to be called!
111 };
112 
113 
124 template<class T>
125 RCP<T> rcp( const std::shared_ptr<T> &sptr );
126 
127 
139 template<class T>
140 std::shared_ptr<T> get_shared_ptr( const RCP<T> &rcp );
141 
142 
147 template<class T> inline
148 bool is_null( const std::shared_ptr<T> &p )
149 {
150  return p.get() == 0;
151 }
152 
153 
158 template<class T> inline
159 bool nonnull( const std::shared_ptr<T> &p )
160 {
161  return p.get() != 0;
162 }
163 
164 
165 } // namespace Teuchos
166 
167 
168 
169 #endif // TEUCHOS_RCP_STD_SHAREDPTR_CONVERSIONS_DECL_HPP
std::shared_ptr deleter class that wraps a Teuchos::RCP.
DeallocStdSharedPtr(const std::shared_ptr< T > &sptr)
bool nonnull(const std::shared_ptr< T > &p)
Returns true if p.get()!=NULL.
bool is_null(const std::shared_ptr< T > &p)
Returns true if p.get()==NULL.
TEUCHOS_DEPRECATED RCP< T > rcp(T *p, Dealloc_T dealloc, bool owns_mem)
Deprecated.
const std::shared_ptr< T > & ptr() const
Teuchos::RCP Deallocator class that wraps a std::shared_ptr
Reference-counted pointer class and non-member templated function implementations.
Smart reference counting pointer class for automatic garbage collection.