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libstdc++
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Inherits std::__shared_ptr< _Tp, _Lp >.
Public Types | |
| typedef _Tp | element_type |
Public Member Functions | |
| constexpr | shared_ptr () noexcept |
| shared_ptr (const shared_ptr &) noexcept | |
| template<typename _Tp1 > | |
| shared_ptr (_Tp1 *__p) | |
| template<typename _Tp1 , typename _Deleter > | |
| shared_ptr (_Tp1 *__p, _Deleter __d) | |
| template<typename _Deleter > | |
| shared_ptr (nullptr_t __p, _Deleter __d) | |
| template<typename _Tp1 , typename _Deleter , typename _Alloc > | |
| shared_ptr (_Tp1 *__p, _Deleter __d, _Alloc __a) | |
| template<typename _Deleter , typename _Alloc > | |
| shared_ptr (nullptr_t __p, _Deleter __d, _Alloc __a) | |
| template<typename _Tp1 > | |
| shared_ptr (const shared_ptr< _Tp1 > &__r, _Tp *__p) noexcept | |
| template<typename _Tp1 , typename = _Convertible<_Tp1*>> | |
| shared_ptr (const shared_ptr< _Tp1 > &__r) noexcept | |
| shared_ptr (shared_ptr &&__r) noexcept | |
| template<typename _Tp1 , typename = _Convertible<_Tp1*>> | |
| shared_ptr (shared_ptr< _Tp1 > &&__r) noexcept | |
| template<typename _Tp1 > | |
| shared_ptr (const weak_ptr< _Tp1 > &__r) | |
| template<typename _Tp1 , typename _Del , typename = _Convertible<typename unique_ptr<_Tp1, _Del>::pointer>> | |
| shared_ptr (std::unique_ptr< _Tp1, _Del > &&__r) | |
| constexpr | shared_ptr (nullptr_t) noexcept |
| template<typename _Tp1 > | |
| shared_ptr (std::auto_ptr< _Tp1 > &&__r) | |
| _Tp * | get () const noexcept |
| operator bool () const | |
|
std::add_lvalue_reference< _Tp > ::type | operator* () const noexcept |
| _Tp * | operator-> () const noexcept |
| shared_ptr & | operator= (const shared_ptr &) noexcept |
| template<typename _Tp1 > | |
| shared_ptr & | operator= (const shared_ptr< _Tp1 > &__r) noexcept |
| shared_ptr & | operator= (shared_ptr &&__r) noexcept |
| template<class _Tp1 > | |
| shared_ptr & | operator= (shared_ptr< _Tp1 > &&__r) noexcept |
| template<typename _Tp1 , typename _Del > | |
| shared_ptr & | operator= (std::unique_ptr< _Tp1, _Del > &&__r) |
| template<typename _Tp1 > | |
| bool | owner_before (__shared_ptr< _Tp1, _Lp > const &__rhs) const |
| template<typename _Tp1 > | |
| bool | owner_before (__weak_ptr< _Tp1, _Lp > const &__rhs) const |
| void | reset () noexcept |
| template<typename _Tp1 > | |
| void | reset (_Tp1 *__p) |
| template<typename _Tp1 , typename _Deleter > | |
| void | reset (_Tp1 *__p, _Deleter __d) |
| template<typename _Tp1 , typename _Deleter , typename _Alloc > | |
| void | reset (_Tp1 *__p, _Deleter __d, _Alloc __a) |
| void | swap (__shared_ptr< _Tp, _Lp > &__other) noexcept |
| bool | unique () const noexcept |
| long | use_count () const noexcept |
Friends | |
| template<typename _Tp1 , _Lock_policy _Lp1, typename _Alloc , typename... _Args> | |
| __shared_ptr< _Tp1, _Lp1 > | __allocate_shared (const _Alloc &__a, _Args &&...__args) |
| class | __weak_ptr< _Tp, _Lp > |
| template<typename _Tp1 , typename _Alloc , typename... _Args> | |
| shared_ptr< _Tp1 > | allocate_shared (const _Alloc &__a, _Args &&...__args) |
| class | weak_ptr< _Tp > |
A smart pointer with reference-counted copy semantics.
The object pointed to is deleted when the last shared_ptr pointing to it is destroyed or reset.
Definition at line 93 of file bits/shared_ptr.h.
| constexpr std::shared_ptr< _Tp >::shared_ptr | ( | ) | [inline] |
Construct an empty shared_ptr.
Definition at line 104 of file bits/shared_ptr.h.
| std::shared_ptr< _Tp >::shared_ptr | ( | _Tp1 * | __p | ) | [inline, explicit] |
Construct a shared_ptr that owns the pointer __p.
| __p | A pointer that is convertible to element_type*. |
| std::bad_alloc,in | which case delete __p is called. |
Definition at line 116 of file bits/shared_ptr.h.
| std::shared_ptr< _Tp >::shared_ptr | ( | _Tp1 * | __p, |
| _Deleter | __d | ||
| ) | [inline] |
Construct a shared_ptr that owns the pointer __p and the deleter __d.
| __p | A pointer. |
| __d | A deleter. |
| std::bad_alloc,in | which case __d(__p) is called. |
Requirements: _Deleter's copy constructor and destructor must not throw
__shared_ptr will release __p by calling __d(__p)
Definition at line 133 of file bits/shared_ptr.h.
| std::shared_ptr< _Tp >::shared_ptr | ( | nullptr_t | __p, |
| _Deleter | __d | ||
| ) | [inline] |
Construct a shared_ptr that owns a null pointer and the deleter __d.
| __p | A null pointer constant. |
| __d | A deleter. |
| std::bad_alloc,in | which case __d(__p) is called. |
Requirements: _Deleter's copy constructor and destructor must not throw
The last owner will call __d(__p)
Definition at line 150 of file bits/shared_ptr.h.
| std::shared_ptr< _Tp >::shared_ptr | ( | _Tp1 * | __p, |
| _Deleter | __d, | ||
| _Alloc | __a | ||
| ) | [inline] |
Construct a shared_ptr that owns the pointer __p and the deleter __d.
| __p | A pointer. |
| __d | A deleter. |
| __a | An allocator. |
| std::bad_alloc,in | which case __d(__p) is called. |
Requirements: _Deleter's copy constructor and destructor must not throw _Alloc's copy constructor and destructor must not throw.
__shared_ptr will release __p by calling __d(__p)
Definition at line 169 of file bits/shared_ptr.h.
| std::shared_ptr< _Tp >::shared_ptr | ( | nullptr_t | __p, |
| _Deleter | __d, | ||
| _Alloc | __a | ||
| ) | [inline] |
Construct a shared_ptr that owns a null pointer and the deleter __d.
| __p | A null pointer constant. |
| __d | A deleter. |
| __a | An allocator. |
| std::bad_alloc,in | which case __d(__p) is called. |
Requirements: _Deleter's copy constructor and destructor must not throw _Alloc's copy constructor and destructor must not throw.
The last owner will call __d(__p)
Definition at line 188 of file bits/shared_ptr.h.
| std::shared_ptr< _Tp >::shared_ptr | ( | const shared_ptr< _Tp1 > & | __r, |
| _Tp * | __p | ||
| ) | [inline] |
Constructs a shared_ptr instance that stores __p and shares ownership with __r.
| __r | A shared_ptr. |
| __p | A pointer that will remain valid while *__r is valid. |
This can be used to construct a shared_ptr to a sub-object of an object managed by an existing shared_ptr.
shared_ptr< pair<int,int> > pii(new pair<int,int>());
shared_ptr<int> pi(pii, &pii->first);
assert(pii.use_count() == 2);
Definition at line 210 of file bits/shared_ptr.h.
| std::shared_ptr< _Tp >::shared_ptr | ( | const shared_ptr< _Tp1 > & | __r | ) | [inline] |
If __r is empty, constructs an empty shared_ptr; otherwise construct a shared_ptr that shares ownership with __r.
| __r | A shared_ptr. |
Definition at line 221 of file bits/shared_ptr.h.
| std::shared_ptr< _Tp >::shared_ptr | ( | shared_ptr< _Tp > && | __r | ) | [inline] |
Move-constructs a shared_ptr instance from __r.
| __r | A shared_ptr rvalue. |
Definition at line 229 of file bits/shared_ptr.h.
| std::shared_ptr< _Tp >::shared_ptr | ( | shared_ptr< _Tp1 > && | __r | ) | [inline] |
Move-constructs a shared_ptr instance from __r.
| __r | A shared_ptr rvalue. |
Definition at line 238 of file bits/shared_ptr.h.
| std::shared_ptr< _Tp >::shared_ptr | ( | const weak_ptr< _Tp1 > & | __r | ) | [inline, explicit] |
Constructs a shared_ptr that shares ownership with __r and stores a copy of the pointer stored in __r.
| __r | A weak_ptr. |
| bad_weak_ptr | when __r.expired(), in which case the constructor has no effect. |
Definition at line 250 of file bits/shared_ptr.h.
| constexpr std::shared_ptr< _Tp >::shared_ptr | ( | nullptr_t | ) | [inline] |
Construct an empty shared_ptr.
Definition at line 269 of file bits/shared_ptr.h.
| shared_ptr<_Tp1> allocate_shared | ( | const _Alloc & | __a, |
| _Args &&... | __args | ||
| ) | [friend] |
Create an object that is owned by a shared_ptr.
| __a | An allocator. |
| __args | Arguments for the _Tp object's constructor. |
| An | exception thrown from _Alloc::allocate or from the constructor of _Tp. |
A copy of __a will be used to allocate memory for the shared_ptr and the new object.
Definition at line 617 of file bits/shared_ptr.h.