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Ruta de la carpeta: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\boost_1_35_0\boost\interprocess\smart_ptr\intrusive_ptr.hpp
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////////////////////////////////////////////////////////////////////////////// // // This file is the adaptation for Interprocess of boost/intrusive_ptr.hpp // // (C) Copyright Peter Dimov 2001, 2002 // (C) Copyright Ion Gaztanaga 2006. Distributed under the Boost // Software License, Version 1.0. (See accompanying file // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) // // See http://www.boost.org/libs/interprocess for documentation. // ////////////////////////////////////////////////////////////////////////////// #ifndef BOOST_INTERPROCESS_INTRUSIVE_PTR_HPP_INCLUDED #define BOOST_INTERPROCESS_INTRUSIVE_PTR_HPP_INCLUDED //!\file //!Describes an intrusive ownership pointer. #include
#include
#include
#include
#include
// for std::less #include
// for std::basic_ostream namespace boost { namespace interprocess { //!The intrusive_ptr class template stores a pointer to an object //!with an embedded reference count. intrusive_ptr is parameterized on //!T (the type of the object pointed to) and VoidPointer(a void pointer type //!that defines the type of pointer that intrusive_ptr will store). //!intrusive_ptr
defines a class with a T* member whereas //!intrusive_ptr
> defines a class with a offset_ptr
member. //!Relies on unqualified calls to: //! //! void intrusive_ptr_add_ref(T * p); //! void intrusive_ptr_release(T * p); //! //! with (p != 0) //! //!The object is responsible for destroying itself. template
class intrusive_ptr { public: //!Provides the type of the internal stored pointer. typedef typename detail::pointer_to_other
::type pointer; //!Provides the type of the stored pointer. typedef T element_type; /// @cond private: typedef VoidPointer VP; typedef intrusive_ptr this_type; typedef pointer this_type::*unspecified_bool_type; /// @endcond public: //!Constructor. Initializes internal pointer to 0. //!Does not throw intrusive_ptr(): m_ptr(0) {} //!Constructor. Copies pointer and if "p" is not zero and //!"add_ref" is true calls intrusive_ptr_add_ref(get_pointer(p)). //!Does not throw intrusive_ptr(const pointer &p, bool add_ref = true): m_ptr(p) { if(m_ptr != 0 && add_ref) intrusive_ptr_add_ref(detail::get_pointer(m_ptr)); } //!Copy constructor. Copies the internal pointer and if "p" is not //!zero calls intrusive_ptr_add_ref(get_pointer(p)). Does not throw intrusive_ptr(intrusive_ptr const & rhs) : m_ptr(rhs.m_ptr) { if(m_ptr != 0) intrusive_ptr_add_ref(detail::get_pointer(m_ptr)); } //!Constructor from related. Copies the internal pointer and if "p" is not //!zero calls intrusive_ptr_add_ref(get_pointer(p)). Does not throw template
intrusive_ptr (intrusive_ptr
const & rhs) : m_ptr(rhs.get()) { if(m_ptr != 0) intrusive_ptr_add_ref(detail::get_pointer(m_ptr)); } //!Destructor. If internal pointer is not 0, calls //!intrusive_ptr_release(get_pointer(m_ptr)). Does not throw ~intrusive_ptr() { if(m_ptr != 0) intrusive_ptr_release(detail::get_pointer(m_ptr)); } //!Assignment operator. Equivalent to intrusive_ptr(r).swap(*this). //!Does not throw intrusive_ptr & operator=(intrusive_ptr const & rhs) { this_type(rhs).swap(*this); return *this; } //!Assignment from related. Equivalent to intrusive_ptr(r).swap(*this). //!Does not throw template
intrusive_ptr & operator= (intrusive_ptr
const & rhs) { this_type(rhs).swap(*this); return *this; } //!Assignment from pointer. Equivalent to intrusive_ptr(r).swap(*this). //!Does not throw intrusive_ptr & operator=(pointer rhs) { this_type(rhs).swap(*this); return *this; } //!Returns a reference to the internal pointer. //!Does not throw pointer &get() { return m_ptr; } //!Returns a reference to the internal pointer. //!Does not throw const pointer &get() const { return m_ptr; } //!Returns *get(). //!Does not throw T & operator*() const { return *m_ptr; } //!Returns *get(). //!Does not throw const pointer &operator->() const { return m_ptr; } //!Returns get(). //!Does not throw pointer &operator->() { return m_ptr; } //!Conversion to boolean. //!Does not throw operator unspecified_bool_type () const { return m_ptr == 0? 0: &this_type::m_ptr; } //!Not operator. //!Does not throw bool operator! () const { return m_ptr == 0; } //!Exchanges the contents of the two smart pointers. //!Does not throw void swap(intrusive_ptr & rhs) { detail::do_swap(m_ptr, rhs.m_ptr); } /// @cond private: pointer m_ptr; /// @endcond }; //!Returns a.get() == b.get(). //!Does not throw template
inline bool operator==(intrusive_ptr
const & a, intrusive_ptr
const & b) { return a.get() == b.get(); } //!Returns a.get() != b.get(). //!Does not throw template
inline bool operator!=(intrusive_ptr
const & a, intrusive_ptr
const & b) { return a.get() != b.get(); } //!Returns a.get() == b. //!Does not throw template
inline bool operator==(intrusive_ptr
const & a, const typename intrusive_ptr
::pointer &b) { return a.get() == b; } //!Returns a.get() != b. //!Does not throw template
inline bool operator!=(intrusive_ptr
const & a, const typename intrusive_ptr
::pointer &b) { return a.get() != b; } //!Returns a == b.get(). //!Does not throw template
inline bool operator==(const typename intrusive_ptr
::pointer &a, intrusive_ptr
const & b) { return a == b.get(); } //!Returns a != b.get(). //!Does not throw template
inline bool operator!=(const typename intrusive_ptr
::pointer &a, intrusive_ptr
const & b) { return a != b.get(); } //!Returns a.get() < b.get(). //!Does not throw template
inline bool operator<(intrusive_ptr
const & a, intrusive_ptr
const & b) { return std::less
::pointer>() (a.get(), b.get()); } //!Exchanges the contents of the two intrusive_ptrs. //!Does not throw template
inline void swap(intrusive_ptr
& lhs, intrusive_ptr
& rhs) { lhs.swap(rhs); } // operator<< template
inline std::basic_ostream
& operator<< (std::basic_ostream
& os, intrusive_ptr
const & p) { os << p.get(); return os; } //!Returns p.get(). //!Does not throw template
inline typename boost::interprocess::intrusive_ptr
::pointer get_pointer(intrusive_ptr
p) { return p.get(); } /*Emulates static cast operator. Does not throw*/ /* template
inline boost::interprocess::intrusive_ptr
static_pointer_cast (boost::interprocess::intrusive_ptr
const & p) { return do_static_cast
(p.get()); } */ /*Emulates const cast operator. Does not throw*/ /* template
inline boost::interprocess::intrusive_ptr
const_pointer_cast (boost::interprocess::intrusive_ptr
const & p) { return do_const_cast
(p.get()); } */ /*Emulates dynamic cast operator. Does not throw*/ /* template
inline boost::interprocess::intrusive_ptr
dynamic_pointer_cast (boost::interprocess::intrusive_ptr
const & p) { return do_dynamic_cast
(p.get()); } */ /*Emulates reinterpret cast operator. Does not throw*/ /* template
inline boost::interprocess::intrusive_ptr
reinterpret_pointer_cast (boost::interprocess::intrusive_ptr
const & p) { return do_reinterpret_cast
(p.get()); } */ } // namespace interprocess /// @cond #if defined(_MSC_VER) && (_MSC_VER < 1400) //!Returns p.get(). //!Does not throw template
inline T *get_pointer(boost::interprocess::intrusive_ptr
p) { return p.get(); } #endif /// @endcond } // namespace boost #include
#endif // #ifndef BOOST_INTERPROCESS_INTRUSIVE_PTR_HPP_INCLUDED
intrusive_ptr.hpp
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