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author | DongHun Kwak <dh0128.kwak@samsung.com> | 2019-12-05 15:12:59 +0900 |
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committer | DongHun Kwak <dh0128.kwak@samsung.com> | 2019-12-05 15:12:59 +0900 |
commit | b8cf34c691623e4ec329053cbbf68522a855882d (patch) | |
tree | 34da08632a99677f6b79ecb65e5b655a5b69a67f /boost/interprocess/smart_ptr | |
parent | 3fdc3e5ee96dca5b11d1694975a65200787eab86 (diff) | |
download | boost-b8cf34c691623e4ec329053cbbf68522a855882d.tar.gz boost-b8cf34c691623e4ec329053cbbf68522a855882d.tar.bz2 boost-b8cf34c691623e4ec329053cbbf68522a855882d.zip |
Imported Upstream version 1.67.0upstream/1.67.0
Diffstat (limited to 'boost/interprocess/smart_ptr')
-rwxr-xr-x[-rw-r--r--] | boost/interprocess/smart_ptr/intrusive_ptr.hpp | 102 |
1 files changed, 65 insertions, 37 deletions
diff --git a/boost/interprocess/smart_ptr/intrusive_ptr.hpp b/boost/interprocess/smart_ptr/intrusive_ptr.hpp index e2cf45fdbb..585b9952d5 100644..100755 --- a/boost/interprocess/smart_ptr/intrusive_ptr.hpp +++ b/boost/interprocess/smart_ptr/intrusive_ptr.hpp @@ -32,6 +32,7 @@ #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 @@ -48,8 +49,8 @@ namespace interprocess { //!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) //! @@ -72,56 +73,73 @@ class intrusive_ptr 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; @@ -129,50 +147,60 @@ class intrusive_ptr //!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) @@ -185,49 +213,49 @@ class intrusive_ptr //!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()); @@ -237,34 +265,34 @@ bool operator<(intrusive_ptr<T, VP> const & a, //!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()); } */ @@ -272,7 +300,7 @@ inline boost::interprocess::intrusive_ptr<T, VP> const_pointer_cast /* 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()); } */ @@ -280,7 +308,7 @@ inline boost::interprocess::intrusive_ptr<T, VP> dynamic_pointer_cast /* 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()); } */ @@ -292,7 +320,7 @@ inline boost::interprocess::intrusive_ptr<T, VP>reinterpret_pointer_cast //!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 |