#include <boost/interprocess/detail/utilities.hpp>
#include <boost/intrusive/pointer_traits.hpp>
#include <boost/move/adl_move_swap.hpp>
+#include <boost/move/core.hpp>
#include <iosfwd> // for std::basic_ostream
//!intrusive_ptr<T, offset_ptr<void> > defines a class with a offset_ptr<T> member.
//!Relies on unqualified calls to:
//!
-//! void intrusive_ptr_add_ref(T * p);
-//! void intrusive_ptr_release(T * p);
+//! void intrusive_ptr_add_ref(T * p) BOOST_NOEXCEPT;
+//! void intrusive_ptr_release(T * p) BOOST_NOEXCEPT;
//!
//! with (p != 0)
//!
typedef pointer this_type::*unspecified_bool_type;
#endif //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
+ BOOST_COPYABLE_AND_MOVABLE(intrusive_ptr)
+
public:
//!Constructor. Initializes internal pointer to 0.
//!Does not throw
- intrusive_ptr(): m_ptr(0)
+ intrusive_ptr() BOOST_NOEXCEPT
+ : m_ptr(0)
{}
//!Constructor. Copies pointer and if "p" is not zero and
//!"add_ref" is true calls intrusive_ptr_add_ref(to_raw_pointer(p)).
//!Does not throw
- intrusive_ptr(const pointer &p, bool add_ref = true): m_ptr(p)
+ intrusive_ptr(const pointer &p, bool add_ref = true) BOOST_NOEXCEPT
+ : m_ptr(p)
{
if(m_ptr != 0 && add_ref) intrusive_ptr_add_ref(ipcdetail::to_raw_pointer(m_ptr));
}
//!Copy constructor. Copies the internal pointer and if "p" is not
//!zero calls intrusive_ptr_add_ref(to_raw_pointer(p)). Does not throw
- intrusive_ptr(intrusive_ptr const & rhs)
+ intrusive_ptr(intrusive_ptr const & rhs) BOOST_NOEXCEPT
: m_ptr(rhs.m_ptr)
{
if(m_ptr != 0) intrusive_ptr_add_ref(ipcdetail::to_raw_pointer(m_ptr));
}
+ //!Move constructor. Moves the internal pointer. Does not throw
+ intrusive_ptr(BOOST_RV_REF(intrusive_ptr) rhs) BOOST_NOEXCEPT
+ : m_ptr(rhs.m_ptr)
+ {
+ rhs.m_ptr = 0;
+ }
+
//!Constructor from related. Copies the internal pointer and if "p" is not
//!zero calls intrusive_ptr_add_ref(to_raw_pointer(p)). Does not throw
- template<class U> intrusive_ptr
- (intrusive_ptr<U, VP> const & rhs)
+ template<class U> intrusive_ptr(intrusive_ptr<U, VP> const & rhs) BOOST_NOEXCEPT
: m_ptr(rhs.get())
{
if(m_ptr != 0) intrusive_ptr_add_ref(ipcdetail::to_raw_pointer(m_ptr));
}
- //!Destructor. If internal pointer is not 0, calls
- //!intrusive_ptr_release(to_raw_pointer(m_ptr)). Does not throw
+ //!Destructor. Calls reset(). Does not throw
~intrusive_ptr()
{
- if(m_ptr != 0) intrusive_ptr_release(ipcdetail::to_raw_pointer(m_ptr));
+ reset();
}
//!Assignment operator. Equivalent to intrusive_ptr(r).swap(*this).
//!Does not throw
- intrusive_ptr & operator=(intrusive_ptr const & rhs)
+ intrusive_ptr & operator=(BOOST_COPY_ASSIGN_REF(intrusive_ptr) rhs) BOOST_NOEXCEPT
{
this_type(rhs).swap(*this);
return *this;
}
+ //!Move Assignment operator
+ //!Does not throw
+ intrusive_ptr & operator=(BOOST_RV_REF(intrusive_ptr) rhs) BOOST_NOEXCEPT
+ {
+ rhs.swap(*this);
+ rhs.reset();
+ return *this;
+ }
+
//!Assignment from related. Equivalent to intrusive_ptr(r).swap(*this).
//!Does not throw
- template<class U> intrusive_ptr & operator=
- (intrusive_ptr<U, VP> const & rhs)
+ template<class U> intrusive_ptr & operator=(intrusive_ptr<U, VP> const & rhs) BOOST_NOEXCEPT
{
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)
+ intrusive_ptr & operator=(pointer rhs) BOOST_NOEXCEPT
{
this_type(rhs).swap(*this);
return *this;
}
+ //!Release internal pointer and set it to 0. If internal pointer is not 0, calls
+ //!intrusive_ptr_release(to_raw_pointer(m_ptr)). Does not throw
+ void reset() BOOST_NOEXCEPT {
+ if(m_ptr != 0) {
+ pointer ptr = m_ptr;
+ m_ptr = 0;
+ intrusive_ptr_release(ipcdetail::to_raw_pointer(ptr));
+ }
+ }
+
//!Returns a reference to the internal pointer.
//!Does not throw
- pointer &get()
+ pointer &get() BOOST_NOEXCEPT
{ return m_ptr; }
//!Returns a reference to the internal pointer.
//!Does not throw
- const pointer &get() const
+ const pointer &get() const BOOST_NOEXCEPT
{ return m_ptr; }
//!Returns *get().
//!Does not throw
- T & operator*() const
+ T & operator*() const BOOST_NOEXCEPT
{ return *m_ptr; }
//!Returns *get().
//!Does not throw
- const pointer &operator->() const
+ const pointer &operator->() const BOOST_NOEXCEPT
{ return m_ptr; }
//!Returns get().
//!Does not throw
- pointer &operator->()
+ pointer &operator->() BOOST_NOEXCEPT
{ return m_ptr; }
//!Conversion to boolean.
//!Does not throw
- operator unspecified_bool_type () const
+ operator unspecified_bool_type () const BOOST_NOEXCEPT
{ return m_ptr == 0? 0: &this_type::m_ptr; }
//!Not operator.
//!Does not throw
- bool operator! () const
+ bool operator! () const BOOST_NOEXCEPT
{ return m_ptr == 0; }
//!Exchanges the contents of the two smart pointers.
//!Does not throw
- void swap(intrusive_ptr & rhs)
+ void swap(intrusive_ptr & rhs) BOOST_NOEXCEPT
{ ::boost::adl_move_swap(m_ptr, rhs.m_ptr); }
#if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
//!Does not throw
template<class T, class U, class VP> inline
bool operator==(intrusive_ptr<T, VP> const & a,
- intrusive_ptr<U, VP> const & b)
+ intrusive_ptr<U, VP> const & b) BOOST_NOEXCEPT
{ return a.get() == b.get(); }
//!Returns a.get() != b.get().
//!Does not throw
template<class T, class U, class VP> inline
bool operator!=(intrusive_ptr<T, VP> const & a,
- intrusive_ptr<U, VP> const & b)
+ intrusive_ptr<U, VP> const & b) BOOST_NOEXCEPT
{ return a.get() != b.get(); }
//!Returns a.get() == b.
//!Does not throw
template<class T, class VP> inline
bool operator==(intrusive_ptr<T, VP> const & a,
- const typename intrusive_ptr<T, VP>::pointer &b)
+ const typename intrusive_ptr<T, VP>::pointer &b) BOOST_NOEXCEPT
{ return a.get() == b; }
//!Returns a.get() != b.
//!Does not throw
template<class T, class VP> inline
bool operator!=(intrusive_ptr<T, VP> const & a,
- const typename intrusive_ptr<T, VP>::pointer &b)
+ const typename intrusive_ptr<T, VP>::pointer &b) BOOST_NOEXCEPT
{ return a.get() != b; }
//!Returns a == b.get().
//!Does not throw
template<class T, class VP> inline
bool operator==(const typename intrusive_ptr<T, VP>::pointer &a,
- intrusive_ptr<T, VP> const & b)
+ intrusive_ptr<T, VP> const & b) BOOST_NOEXCEPT
{ return a == b.get(); }
//!Returns a != b.get().
//!Does not throw
template<class T, class VP> inline
bool operator!=(const typename intrusive_ptr<T, VP>::pointer &a,
- intrusive_ptr<T, VP> const & b)
+ intrusive_ptr<T, VP> const & b) BOOST_NOEXCEPT
{ return a != b.get(); }
//!Returns a.get() < b.get().
//!Does not throw
template<class T, class VP> inline
bool operator<(intrusive_ptr<T, VP> const & a,
- intrusive_ptr<T, VP> const & b)
+ intrusive_ptr<T, VP> const & b) BOOST_NOEXCEPT
{
return std::less<typename intrusive_ptr<T, VP>::pointer>()
(a.get(), b.get());
//!Does not throw
template<class T, class VP> inline
void swap(intrusive_ptr<T, VP> & lhs,
- intrusive_ptr<T, VP> & rhs)
+ intrusive_ptr<T, VP> & rhs) BOOST_NOEXCEPT
{ lhs.swap(rhs); }
// operator<<
template<class E, class T, class Y, class VP>
inline std::basic_ostream<E, T> & operator<<
- (std::basic_ostream<E, T> & os, intrusive_ptr<Y, VP> const & p)
+ (std::basic_ostream<E, T> & os, intrusive_ptr<Y, VP> const & p) BOOST_NOEXCEPT
{ os << p.get(); return os; }
//!Returns p.get().
//!Does not throw
template<class T, class VP>
inline typename boost::interprocess::intrusive_ptr<T, VP>::pointer
- to_raw_pointer(intrusive_ptr<T, VP> p)
+ to_raw_pointer(intrusive_ptr<T, VP> p) BOOST_NOEXCEPT
{ return p.get(); }
/*Emulates static cast operator. Does not throw*/
/*
template<class T, class U, class VP>
inline boost::interprocess::intrusive_ptr<T, VP> static_pointer_cast
- (boost::interprocess::intrusive_ptr<U, VP> const & p)
+ (boost::interprocess::intrusive_ptr<U, VP> const & p) BOOST_NOEXCEPT
{ return do_static_cast<U>(p.get()); }
*/
/*Emulates const cast operator. Does not throw*/
/*
template<class T, class U, class VP>
inline boost::interprocess::intrusive_ptr<T, VP> const_pointer_cast
- (boost::interprocess::intrusive_ptr<U, VP> const & p)
+ (boost::interprocess::intrusive_ptr<U, VP> const & p) BOOST_NOEXCEPT
{ return do_const_cast<U>(p.get()); }
*/
/*
template<class T, class U, class VP>
inline boost::interprocess::intrusive_ptr<T, VP> dynamic_pointer_cast
- (boost::interprocess::intrusive_ptr<U, VP> const & p)
+ (boost::interprocess::intrusive_ptr<U, VP> const & p) BOOST_NOEXCEPT
{ return do_dynamic_cast<U>(p.get()); }
*/
/*
template<class T, class U, class VP>
inline boost::interprocess::intrusive_ptr<T, VP>reinterpret_pointer_cast
- (boost::interprocess::intrusive_ptr<U, VP> const & p)
+ (boost::interprocess::intrusive_ptr<U, VP> const & p) BOOST_NOEXCEPT
{ return do_reinterpret_cast<U>(p.get()); }
*/
//!Returns p.get().
//!Does not throw
template<class T, class VP>
-inline T *to_raw_pointer(boost::interprocess::intrusive_ptr<T, VP> p)
+inline T *to_raw_pointer(boost::interprocess::intrusive_ptr<T, VP> p) BOOST_NOEXCEPT
{ return p.get(); }
#endif
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