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author | Stefan Radomski <github@mintwerk.de> | 2017-05-19 08:49:52 (GMT) |
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committer | Stefan Radomski <github@mintwerk.de> | 2017-05-19 08:49:52 (GMT) |
commit | 747781cbebe22efb4f2efb8f3269320962791914 (patch) | |
tree | 0c6df03ea42971d04695f3f6b295fc18c9113699 /contrib/src/boost/smart_ptr/detail/shared_count.hpp | |
parent | 827bd207b54839dfa3d24c1b65afb638b9b5cd0e (diff) | |
download | uscxml-747781cbebe22efb4f2efb8f3269320962791914.zip uscxml-747781cbebe22efb4f2efb8f3269320962791914.tar.gz uscxml-747781cbebe22efb4f2efb8f3269320962791914.tar.bz2 |
Worked on issue 131
Update boost
Spent a mutex for UUIDgen
Diffstat (limited to 'contrib/src/boost/smart_ptr/detail/shared_count.hpp')
-rw-r--r-- | contrib/src/boost/smart_ptr/detail/shared_count.hpp | 1364 |
1 files changed, 655 insertions, 709 deletions
diff --git a/contrib/src/boost/smart_ptr/detail/shared_count.hpp b/contrib/src/boost/smart_ptr/detail/shared_count.hpp index 7996aa4..cd9b262 100644 --- a/contrib/src/boost/smart_ptr/detail/shared_count.hpp +++ b/contrib/src/boost/smart_ptr/detail/shared_count.hpp @@ -1,709 +1,655 @@ -#ifndef BOOST_SMART_PTR_DETAIL_SHARED_COUNT_HPP_INCLUDED -#define BOOST_SMART_PTR_DETAIL_SHARED_COUNT_HPP_INCLUDED - -// MS compatible compilers support #pragma once - -#if defined(_MSC_VER) && (_MSC_VER >= 1020) -# pragma once -#endif - -// -// detail/shared_count.hpp -// -// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd. -// Copyright 2004-2005 Peter Dimov -// -// 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) -// - -#ifdef __BORLANDC__ -# pragma warn -8027 // Functions containing try are not expanded inline -#endif - -#include <boost/config.hpp> -#include <boost/checked_delete.hpp> -#include <boost/throw_exception.hpp> -#include <boost/smart_ptr/bad_weak_ptr.hpp> -#include <boost/smart_ptr/detail/sp_counted_base.hpp> -#include <boost/smart_ptr/detail/sp_counted_impl.hpp> -#include <boost/smart_ptr/detail/sp_disable_deprecated.hpp> -#include <boost/detail/workaround.hpp> -// In order to avoid circular dependencies with Boost.TR1 -// we make sure that our include of <memory> doesn't try to -// pull in the TR1 headers: that's why we use this header -// rather than including <memory> directly: -#include <boost/config/no_tr1/memory.hpp> // std::auto_ptr -#include <functional> // std::less - -#ifdef BOOST_NO_EXCEPTIONS -# include <new> // std::bad_alloc -#endif - -#include <boost/core/addressof.hpp> - -#if defined( BOOST_SP_DISABLE_DEPRECATED ) -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wdeprecated-declarations" -#endif - -namespace boost -{ - -namespace movelib -{ - - template< class T, class D > class unique_ptr; - -} // namespace movelib - -namespace detail -{ - -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - -int const shared_count_id = 0x2C35F101; -int const weak_count_id = 0x298C38A4; - -#endif - -struct sp_nothrow_tag {}; - -template< class D > struct sp_inplace_tag -{ -}; - -template< class T > class sp_reference_wrapper -{ -public: - - explicit sp_reference_wrapper( T & t): t_( boost::addressof( t ) ) - { - } - - template< class Y > void operator()( Y * p ) const - { - (*t_)( p ); - } - -private: - - T * t_; -}; - -template< class D > struct sp_convert_reference -{ - typedef D type; -}; - -template< class D > struct sp_convert_reference< D& > -{ - typedef sp_reference_wrapper< D > type; -}; - -class weak_count; - -class shared_count -{ -private: - - sp_counted_base * pi_; - -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - int id_; -#endif - - friend class weak_count; - -public: - - shared_count(): pi_(0) // nothrow -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - , id_(shared_count_id) -#endif - { - } - - template<class Y> explicit shared_count( Y * p ): pi_( 0 ) -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - , id_(shared_count_id) -#endif - { -#ifndef BOOST_NO_EXCEPTIONS - - try - { - pi_ = new sp_counted_impl_p<Y>( p ); - } - catch(...) - { - boost::checked_delete( p ); - throw; - } - -#else - - pi_ = new sp_counted_impl_p<Y>( p ); - - if( pi_ == 0 ) - { - boost::checked_delete( p ); - boost::throw_exception( std::bad_alloc() ); - } - -#endif - } - -#if defined( BOOST_MSVC ) && BOOST_WORKAROUND( BOOST_MSVC, <= 1200 ) - template<class Y, class D> shared_count( Y * p, D d ): pi_(0) -#else - template<class P, class D> shared_count( P p, D d ): pi_(0) -#endif -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - , id_(shared_count_id) -#endif - { -#if defined( BOOST_MSVC ) && BOOST_WORKAROUND( BOOST_MSVC, <= 1200 ) - typedef Y* P; -#endif -#ifndef BOOST_NO_EXCEPTIONS - - try - { - pi_ = new sp_counted_impl_pd<P, D>(p, d); - } - catch(...) - { - d(p); // delete p - throw; - } - -#else - - pi_ = new sp_counted_impl_pd<P, D>(p, d); - - if(pi_ == 0) - { - d(p); // delete p - boost::throw_exception(std::bad_alloc()); - } - -#endif - } - -#if !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING ) - - template< class P, class D > shared_count( P p, sp_inplace_tag<D> ): pi_( 0 ) -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - , id_(shared_count_id) -#endif - { -#ifndef BOOST_NO_EXCEPTIONS - - try - { - pi_ = new sp_counted_impl_pd< P, D >( p ); - } - catch( ... ) - { - D::operator_fn( p ); // delete p - throw; - } - -#else - - pi_ = new sp_counted_impl_pd< P, D >( p ); - - if( pi_ == 0 ) - { - D::operator_fn( p ); // delete p - boost::throw_exception( std::bad_alloc() ); - } - -#endif // #ifndef BOOST_NO_EXCEPTIONS - } - -#endif // !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING ) - - template<class P, class D, class A> shared_count( P p, D d, A a ): pi_( 0 ) -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - , id_(shared_count_id) -#endif - { - typedef sp_counted_impl_pda<P, D, A> impl_type; - -#if !defined( BOOST_NO_CXX11_ALLOCATOR ) - - typedef typename std::allocator_traits<A>::template rebind_alloc< impl_type > A2; - -#else - - typedef typename A::template rebind< impl_type >::other A2; - -#endif - - A2 a2( a ); - -#ifndef BOOST_NO_EXCEPTIONS - - try - { -#if !defined( BOOST_NO_CXX11_ALLOCATOR ) - - impl_type * pi = std::allocator_traits<A2>::allocate( a2, 1 ); - pi_ = pi; - std::allocator_traits<A2>::construct( a2, pi, p, d, a ); - -#else - - pi_ = a2.allocate( 1, static_cast< impl_type* >( 0 ) ); - ::new( static_cast< void* >( pi_ ) ) impl_type( p, d, a ); - -#endif - } - catch(...) - { - d( p ); - - if( pi_ != 0 ) - { - a2.deallocate( static_cast< impl_type* >( pi_ ), 1 ); - } - - throw; - } - -#else - -#if !defined( BOOST_NO_CXX11_ALLOCATOR ) - - impl_type * pi = std::allocator_traits<A2>::allocate( a2, 1 ); - pi_ = pi; - -#else - - pi_ = a2.allocate( 1, static_cast< impl_type* >( 0 ) ); - -#endif - - if( pi_ != 0 ) - { -#if !defined( BOOST_NO_CXX11_ALLOCATOR ) - - std::allocator_traits<A2>::construct( a2, pi, p, d, a ); - -#else - - ::new( static_cast< void* >( pi_ ) ) impl_type( p, d, a ); - -#endif - } - else - { - d( p ); - boost::throw_exception( std::bad_alloc() ); - } - -#endif - } - -#if !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING ) - - template< class P, class D, class A > shared_count( P p, sp_inplace_tag< D >, A a ): pi_( 0 ) -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - , id_(shared_count_id) -#endif - { - typedef sp_counted_impl_pda< P, D, A > impl_type; - -#if !defined( BOOST_NO_CXX11_ALLOCATOR ) - - typedef typename std::allocator_traits<A>::template rebind_alloc< impl_type > A2; - -#else - - typedef typename A::template rebind< impl_type >::other A2; - -#endif - - A2 a2( a ); - -#ifndef BOOST_NO_EXCEPTIONS - - try - { -#if !defined( BOOST_NO_CXX11_ALLOCATOR ) - - impl_type * pi = std::allocator_traits<A2>::allocate( a2, 1 ); - pi_ = pi; - std::allocator_traits<A2>::construct( a2, pi, p, a ); - -#else - - pi_ = a2.allocate( 1, static_cast< impl_type* >( 0 ) ); - ::new( static_cast< void* >( pi_ ) ) impl_type( p, a ); - -#endif - } - catch(...) - { - D::operator_fn( p ); - - if( pi_ != 0 ) - { - a2.deallocate( static_cast< impl_type* >( pi_ ), 1 ); - } - - throw; - } - -#else - -#if !defined( BOOST_NO_CXX11_ALLOCATOR ) - - impl_type * pi = std::allocator_traits<A2>::allocate( a2, 1 ); - pi_ = pi; - -#else - - pi_ = a2.allocate( 1, static_cast< impl_type* >( 0 ) ); - -#endif - - if( pi_ != 0 ) - { -#if !defined( BOOST_NO_CXX11_ALLOCATOR ) - - std::allocator_traits<A2>::construct( a2, pi, p, a ); - -#else - - ::new( static_cast< void* >( pi_ ) ) impl_type( p, a ); - -#endif - } - else - { - D::operator_fn( p ); - boost::throw_exception( std::bad_alloc() ); - } - -#endif // #ifndef BOOST_NO_EXCEPTIONS - } - -#endif // !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING ) - -#ifndef BOOST_NO_AUTO_PTR - - // auto_ptr<Y> is special cased to provide the strong guarantee - - template<class Y> - explicit shared_count( std::auto_ptr<Y> & r ): pi_( new sp_counted_impl_p<Y>( r.get() ) ) -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - , id_(shared_count_id) -#endif - { -#ifdef BOOST_NO_EXCEPTIONS - - if( pi_ == 0 ) - { - boost::throw_exception(std::bad_alloc()); - } - -#endif - - r.release(); - } - -#endif - -#if !defined( BOOST_NO_CXX11_SMART_PTR ) - - template<class Y, class D> - explicit shared_count( std::unique_ptr<Y, D> & r ): pi_( 0 ) -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - , id_(shared_count_id) -#endif - { - typedef typename sp_convert_reference<D>::type D2; - - D2 d2( r.get_deleter() ); - pi_ = new sp_counted_impl_pd< typename std::unique_ptr<Y, D>::pointer, D2 >( r.get(), d2 ); - -#ifdef BOOST_NO_EXCEPTIONS - - if( pi_ == 0 ) - { - boost::throw_exception( std::bad_alloc() ); - } - -#endif - - r.release(); - } - -#endif - - template<class Y, class D> - explicit shared_count( boost::movelib::unique_ptr<Y, D> & r ): pi_( 0 ) -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - , id_(shared_count_id) -#endif - { - typedef typename sp_convert_reference<D>::type D2; - - D2 d2( r.get_deleter() ); - pi_ = new sp_counted_impl_pd< typename boost::movelib::unique_ptr<Y, D>::pointer, D2 >( r.get(), d2 ); - -#ifdef BOOST_NO_EXCEPTIONS - - if( pi_ == 0 ) - { - boost::throw_exception( std::bad_alloc() ); - } - -#endif - - r.release(); - } - - ~shared_count() // nothrow - { - if( pi_ != 0 ) pi_->release(); -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - id_ = 0; -#endif - } - - shared_count(shared_count const & r): pi_(r.pi_) // nothrow -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - , id_(shared_count_id) -#endif - { - if( pi_ != 0 ) pi_->add_ref_copy(); - } - -#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES ) - - shared_count(shared_count && r): pi_(r.pi_) // nothrow -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - , id_(shared_count_id) -#endif - { - r.pi_ = 0; - } - -#endif - - explicit shared_count(weak_count const & r); // throws bad_weak_ptr when r.use_count() == 0 - shared_count( weak_count const & r, sp_nothrow_tag ); // constructs an empty *this when r.use_count() == 0 - - shared_count & operator= (shared_count const & r) // nothrow - { - sp_counted_base * tmp = r.pi_; - - if( tmp != pi_ ) - { - if( tmp != 0 ) tmp->add_ref_copy(); - if( pi_ != 0 ) pi_->release(); - pi_ = tmp; - } - - return *this; - } - - void swap(shared_count & r) // nothrow - { - sp_counted_base * tmp = r.pi_; - r.pi_ = pi_; - pi_ = tmp; - } - - long use_count() const // nothrow - { - return pi_ != 0? pi_->use_count(): 0; - } - - bool unique() const // nothrow - { - return use_count() == 1; - } - - bool empty() const // nothrow - { - return pi_ == 0; - } - - friend inline bool operator==(shared_count const & a, shared_count const & b) - { - return a.pi_ == b.pi_; - } - - friend inline bool operator<(shared_count const & a, shared_count const & b) - { - return std::less<sp_counted_base *>()( a.pi_, b.pi_ ); - } - - void * get_deleter( sp_typeinfo const & ti ) const - { - return pi_? pi_->get_deleter( ti ): 0; - } - - void * get_untyped_deleter() const - { - return pi_? pi_->get_untyped_deleter(): 0; - } -}; - - -class weak_count -{ -private: - - sp_counted_base * pi_; - -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - int id_; -#endif - - friend class shared_count; - -public: - - weak_count(): pi_(0) // nothrow -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - , id_(weak_count_id) -#endif - { - } - - weak_count(shared_count const & r): pi_(r.pi_) // nothrow -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - , id_(weak_count_id) -#endif - { - if(pi_ != 0) pi_->weak_add_ref(); - } - - weak_count(weak_count const & r): pi_(r.pi_) // nothrow -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - , id_(weak_count_id) -#endif - { - if(pi_ != 0) pi_->weak_add_ref(); - } - -// Move support - -#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES ) - - weak_count(weak_count && r): pi_(r.pi_) // nothrow -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - , id_(weak_count_id) -#endif - { - r.pi_ = 0; - } - -#endif - - ~weak_count() // nothrow - { - if(pi_ != 0) pi_->weak_release(); -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - id_ = 0; -#endif - } - - weak_count & operator= (shared_count const & r) // nothrow - { - sp_counted_base * tmp = r.pi_; - - if( tmp != pi_ ) - { - if(tmp != 0) tmp->weak_add_ref(); - if(pi_ != 0) pi_->weak_release(); - pi_ = tmp; - } - - return *this; - } - - weak_count & operator= (weak_count const & r) // nothrow - { - sp_counted_base * tmp = r.pi_; - - if( tmp != pi_ ) - { - if(tmp != 0) tmp->weak_add_ref(); - if(pi_ != 0) pi_->weak_release(); - pi_ = tmp; - } - - return *this; - } - - void swap(weak_count & r) // nothrow - { - sp_counted_base * tmp = r.pi_; - r.pi_ = pi_; - pi_ = tmp; - } - - long use_count() const // nothrow - { - return pi_ != 0? pi_->use_count(): 0; - } - - bool empty() const // nothrow - { - return pi_ == 0; - } - - friend inline bool operator==(weak_count const & a, weak_count const & b) - { - return a.pi_ == b.pi_; - } - - friend inline bool operator<(weak_count const & a, weak_count const & b) - { - return std::less<sp_counted_base *>()(a.pi_, b.pi_); - } -}; - -inline shared_count::shared_count( weak_count const & r ): pi_( r.pi_ ) -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - , id_(shared_count_id) -#endif -{ - if( pi_ == 0 || !pi_->add_ref_lock() ) - { - boost::throw_exception( boost::bad_weak_ptr() ); - } -} - -inline shared_count::shared_count( weak_count const & r, sp_nothrow_tag ): pi_( r.pi_ ) -#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) - , id_(shared_count_id) -#endif -{ - if( pi_ != 0 && !pi_->add_ref_lock() ) - { - pi_ = 0; - } -} - -} // namespace detail - -} // namespace boost - -#if defined( BOOST_SP_DISABLE_DEPRECATED ) -#pragma GCC diagnostic pop -#endif - -#ifdef __BORLANDC__ -# pragma warn .8027 // Functions containing try are not expanded inline -#endif - -#endif // #ifndef BOOST_SMART_PTR_DETAIL_SHARED_COUNT_HPP_INCLUDED +#ifndef BOOST_SMART_PTR_DETAIL_SHARED_COUNT_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_SHARED_COUNT_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+//
+// detail/shared_count.hpp
+//
+// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
+// Copyright 2004-2005 Peter Dimov
+//
+// 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)
+//
+
+#ifdef __BORLANDC__
+# pragma warn -8027 // Functions containing try are not expanded inline
+#endif
+
+#include <boost/config.hpp>
+#include <boost/checked_delete.hpp>
+#include <boost/throw_exception.hpp>
+#include <boost/smart_ptr/bad_weak_ptr.hpp>
+#include <boost/smart_ptr/detail/sp_counted_base.hpp>
+#include <boost/smart_ptr/detail/sp_counted_impl.hpp>
+#include <boost/smart_ptr/detail/sp_disable_deprecated.hpp>
+#include <boost/detail/workaround.hpp>
+// In order to avoid circular dependencies with Boost.TR1
+// we make sure that our include of <memory> doesn't try to
+// pull in the TR1 headers: that's why we use this header
+// rather than including <memory> directly:
+#include <boost/config/no_tr1/memory.hpp> // std::auto_ptr
+#include <functional> // std::less
+
+#ifdef BOOST_NO_EXCEPTIONS
+# include <new> // std::bad_alloc
+#endif
+
+#include <boost/core/addressof.hpp>
+
+#if defined( BOOST_SP_DISABLE_DEPRECATED )
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+
+namespace boost
+{
+
+namespace movelib
+{
+
+ template< class T, class D > class unique_ptr;
+
+} // namespace movelib
+
+namespace detail
+{
+
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+
+int const shared_count_id = 0x2C35F101;
+int const weak_count_id = 0x298C38A4;
+
+#endif
+
+struct sp_nothrow_tag {};
+
+template< class D > struct sp_inplace_tag
+{
+};
+
+template< class T > class sp_reference_wrapper
+{
+public:
+
+ explicit sp_reference_wrapper( T & t): t_( boost::addressof( t ) )
+ {
+ }
+
+ template< class Y > void operator()( Y * p ) const
+ {
+ (*t_)( p );
+ }
+
+private:
+
+ T * t_;
+};
+
+template< class D > struct sp_convert_reference
+{
+ typedef D type;
+};
+
+template< class D > struct sp_convert_reference< D& >
+{
+ typedef sp_reference_wrapper< D > type;
+};
+
+class weak_count;
+
+class shared_count
+{
+private:
+
+ sp_counted_base * pi_;
+
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ int id_;
+#endif
+
+ friend class weak_count;
+
+public:
+
+ shared_count(): pi_(0) // nothrow
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(shared_count_id)
+#endif
+ {
+ }
+
+ template<class Y> explicit shared_count( Y * p ): pi_( 0 )
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(shared_count_id)
+#endif
+ {
+#ifndef BOOST_NO_EXCEPTIONS
+
+ try
+ {
+ pi_ = new sp_counted_impl_p<Y>( p );
+ }
+ catch(...)
+ {
+ boost::checked_delete( p );
+ throw;
+ }
+
+#else
+
+ pi_ = new sp_counted_impl_p<Y>( p );
+
+ if( pi_ == 0 )
+ {
+ boost::checked_delete( p );
+ boost::throw_exception( std::bad_alloc() );
+ }
+
+#endif
+ }
+
+#if defined( BOOST_MSVC ) && BOOST_WORKAROUND( BOOST_MSVC, <= 1200 )
+ template<class Y, class D> shared_count( Y * p, D d ): pi_(0)
+#else
+ template<class P, class D> shared_count( P p, D d ): pi_(0)
+#endif
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(shared_count_id)
+#endif
+ {
+#if defined( BOOST_MSVC ) && BOOST_WORKAROUND( BOOST_MSVC, <= 1200 )
+ typedef Y* P;
+#endif
+#ifndef BOOST_NO_EXCEPTIONS
+
+ try
+ {
+ pi_ = new sp_counted_impl_pd<P, D>(p, d);
+ }
+ catch(...)
+ {
+ d(p); // delete p
+ throw;
+ }
+
+#else
+
+ pi_ = new sp_counted_impl_pd<P, D>(p, d);
+
+ if(pi_ == 0)
+ {
+ d(p); // delete p
+ boost::throw_exception(std::bad_alloc());
+ }
+
+#endif
+ }
+
+#if !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING )
+
+ template< class P, class D > shared_count( P p, sp_inplace_tag<D> ): pi_( 0 )
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(shared_count_id)
+#endif
+ {
+#ifndef BOOST_NO_EXCEPTIONS
+
+ try
+ {
+ pi_ = new sp_counted_impl_pd< P, D >( p );
+ }
+ catch( ... )
+ {
+ D::operator_fn( p ); // delete p
+ throw;
+ }
+
+#else
+
+ pi_ = new sp_counted_impl_pd< P, D >( p );
+
+ if( pi_ == 0 )
+ {
+ D::operator_fn( p ); // delete p
+ boost::throw_exception( std::bad_alloc() );
+ }
+
+#endif // #ifndef BOOST_NO_EXCEPTIONS
+ }
+
+#endif // !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING )
+
+ template<class P, class D, class A> shared_count( P p, D d, A a ): pi_( 0 )
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(shared_count_id)
+#endif
+ {
+ typedef sp_counted_impl_pda<P, D, A> impl_type;
+
+#if !defined( BOOST_NO_CXX11_ALLOCATOR )
+
+ typedef typename std::allocator_traits<A>::template rebind_alloc< impl_type > A2;
+
+#else
+
+ typedef typename A::template rebind< impl_type >::other A2;
+
+#endif
+
+ A2 a2( a );
+
+#ifndef BOOST_NO_EXCEPTIONS
+
+ try
+ {
+ pi_ = a2.allocate( 1 );
+ ::new( static_cast< void* >( pi_ ) ) impl_type( p, d, a );
+ }
+ catch(...)
+ {
+ d( p );
+
+ if( pi_ != 0 )
+ {
+ a2.deallocate( static_cast< impl_type* >( pi_ ), 1 );
+ }
+
+ throw;
+ }
+
+#else
+
+ pi_ = a2.allocate( 1 );
+
+ if( pi_ != 0 )
+ {
+ ::new( static_cast< void* >( pi_ ) ) impl_type( p, d, a );
+ }
+ else
+ {
+ d( p );
+ boost::throw_exception( std::bad_alloc() );
+ }
+
+#endif
+ }
+
+#if !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING )
+
+ template< class P, class D, class A > shared_count( P p, sp_inplace_tag< D >, A a ): pi_( 0 )
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(shared_count_id)
+#endif
+ {
+ typedef sp_counted_impl_pda< P, D, A > impl_type;
+
+#if !defined( BOOST_NO_CXX11_ALLOCATOR )
+
+ typedef typename std::allocator_traits<A>::template rebind_alloc< impl_type > A2;
+
+#else
+
+ typedef typename A::template rebind< impl_type >::other A2;
+
+#endif
+
+ A2 a2( a );
+
+#ifndef BOOST_NO_EXCEPTIONS
+
+ try
+ {
+ pi_ = a2.allocate( 1 );
+ ::new( static_cast< void* >( pi_ ) ) impl_type( p, a );
+ }
+ catch(...)
+ {
+ D::operator_fn( p );
+
+ if( pi_ != 0 )
+ {
+ a2.deallocate( static_cast< impl_type* >( pi_ ), 1 );
+ }
+
+ throw;
+ }
+
+#else
+
+ pi_ = a2.allocate( 1 );
+
+ if( pi_ != 0 )
+ {
+ ::new( static_cast< void* >( pi_ ) ) impl_type( p, a );
+ }
+ else
+ {
+ D::operator_fn( p );
+ boost::throw_exception( std::bad_alloc() );
+ }
+
+#endif // #ifndef BOOST_NO_EXCEPTIONS
+ }
+
+#endif // !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING )
+
+#ifndef BOOST_NO_AUTO_PTR
+
+ // auto_ptr<Y> is special cased to provide the strong guarantee
+
+ template<class Y>
+ explicit shared_count( std::auto_ptr<Y> & r ): pi_( new sp_counted_impl_p<Y>( r.get() ) )
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(shared_count_id)
+#endif
+ {
+#ifdef BOOST_NO_EXCEPTIONS
+
+ if( pi_ == 0 )
+ {
+ boost::throw_exception(std::bad_alloc());
+ }
+
+#endif
+
+ r.release();
+ }
+
+#endif
+
+#if !defined( BOOST_NO_CXX11_SMART_PTR )
+
+ template<class Y, class D>
+ explicit shared_count( std::unique_ptr<Y, D> & r ): pi_( 0 )
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(shared_count_id)
+#endif
+ {
+ typedef typename sp_convert_reference<D>::type D2;
+
+ D2 d2( r.get_deleter() );
+ pi_ = new sp_counted_impl_pd< typename std::unique_ptr<Y, D>::pointer, D2 >( r.get(), d2 );
+
+#ifdef BOOST_NO_EXCEPTIONS
+
+ if( pi_ == 0 )
+ {
+ boost::throw_exception( std::bad_alloc() );
+ }
+
+#endif
+
+ r.release();
+ }
+
+#endif
+
+ template<class Y, class D>
+ explicit shared_count( boost::movelib::unique_ptr<Y, D> & r ): pi_( 0 )
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(shared_count_id)
+#endif
+ {
+ typedef typename sp_convert_reference<D>::type D2;
+
+ D2 d2( r.get_deleter() );
+ pi_ = new sp_counted_impl_pd< typename boost::movelib::unique_ptr<Y, D>::pointer, D2 >( r.get(), d2 );
+
+#ifdef BOOST_NO_EXCEPTIONS
+
+ if( pi_ == 0 )
+ {
+ boost::throw_exception( std::bad_alloc() );
+ }
+
+#endif
+
+ r.release();
+ }
+
+ ~shared_count() // nothrow
+ {
+ if( pi_ != 0 ) pi_->release();
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ id_ = 0;
+#endif
+ }
+
+ shared_count(shared_count const & r): pi_(r.pi_) // nothrow
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(shared_count_id)
+#endif
+ {
+ if( pi_ != 0 ) pi_->add_ref_copy();
+ }
+
+#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
+
+ shared_count(shared_count && r): pi_(r.pi_) // nothrow
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(shared_count_id)
+#endif
+ {
+ r.pi_ = 0;
+ }
+
+#endif
+
+ explicit shared_count(weak_count const & r); // throws bad_weak_ptr when r.use_count() == 0
+ shared_count( weak_count const & r, sp_nothrow_tag ); // constructs an empty *this when r.use_count() == 0
+
+ shared_count & operator= (shared_count const & r) // nothrow
+ {
+ sp_counted_base * tmp = r.pi_;
+
+ if( tmp != pi_ )
+ {
+ if( tmp != 0 ) tmp->add_ref_copy();
+ if( pi_ != 0 ) pi_->release();
+ pi_ = tmp;
+ }
+
+ return *this;
+ }
+
+ void swap(shared_count & r) // nothrow
+ {
+ sp_counted_base * tmp = r.pi_;
+ r.pi_ = pi_;
+ pi_ = tmp;
+ }
+
+ long use_count() const // nothrow
+ {
+ return pi_ != 0? pi_->use_count(): 0;
+ }
+
+ bool unique() const // nothrow
+ {
+ return use_count() == 1;
+ }
+
+ bool empty() const // nothrow
+ {
+ return pi_ == 0;
+ }
+
+ friend inline bool operator==(shared_count const & a, shared_count const & b)
+ {
+ return a.pi_ == b.pi_;
+ }
+
+ friend inline bool operator<(shared_count const & a, shared_count const & b)
+ {
+ return std::less<sp_counted_base *>()( a.pi_, b.pi_ );
+ }
+
+ void * get_deleter( sp_typeinfo const & ti ) const
+ {
+ return pi_? pi_->get_deleter( ti ): 0;
+ }
+
+ void * get_untyped_deleter() const
+ {
+ return pi_? pi_->get_untyped_deleter(): 0;
+ }
+};
+
+
+class weak_count
+{
+private:
+
+ sp_counted_base * pi_;
+
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ int id_;
+#endif
+
+ friend class shared_count;
+
+public:
+
+ weak_count(): pi_(0) // nothrow
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(weak_count_id)
+#endif
+ {
+ }
+
+ weak_count(shared_count const & r): pi_(r.pi_) // nothrow
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(weak_count_id)
+#endif
+ {
+ if(pi_ != 0) pi_->weak_add_ref();
+ }
+
+ weak_count(weak_count const & r): pi_(r.pi_) // nothrow
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(weak_count_id)
+#endif
+ {
+ if(pi_ != 0) pi_->weak_add_ref();
+ }
+
+// Move support
+
+#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
+
+ weak_count(weak_count && r): pi_(r.pi_) // nothrow
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(weak_count_id)
+#endif
+ {
+ r.pi_ = 0;
+ }
+
+#endif
+
+ ~weak_count() // nothrow
+ {
+ if(pi_ != 0) pi_->weak_release();
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ id_ = 0;
+#endif
+ }
+
+ weak_count & operator= (shared_count const & r) // nothrow
+ {
+ sp_counted_base * tmp = r.pi_;
+
+ if( tmp != pi_ )
+ {
+ if(tmp != 0) tmp->weak_add_ref();
+ if(pi_ != 0) pi_->weak_release();
+ pi_ = tmp;
+ }
+
+ return *this;
+ }
+
+ weak_count & operator= (weak_count const & r) // nothrow
+ {
+ sp_counted_base * tmp = r.pi_;
+
+ if( tmp != pi_ )
+ {
+ if(tmp != 0) tmp->weak_add_ref();
+ if(pi_ != 0) pi_->weak_release();
+ pi_ = tmp;
+ }
+
+ return *this;
+ }
+
+ void swap(weak_count & r) // nothrow
+ {
+ sp_counted_base * tmp = r.pi_;
+ r.pi_ = pi_;
+ pi_ = tmp;
+ }
+
+ long use_count() const // nothrow
+ {
+ return pi_ != 0? pi_->use_count(): 0;
+ }
+
+ bool empty() const // nothrow
+ {
+ return pi_ == 0;
+ }
+
+ friend inline bool operator==(weak_count const & a, weak_count const & b)
+ {
+ return a.pi_ == b.pi_;
+ }
+
+ friend inline bool operator<(weak_count const & a, weak_count const & b)
+ {
+ return std::less<sp_counted_base *>()(a.pi_, b.pi_);
+ }
+};
+
+inline shared_count::shared_count( weak_count const & r ): pi_( r.pi_ )
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(shared_count_id)
+#endif
+{
+ if( pi_ == 0 || !pi_->add_ref_lock() )
+ {
+ boost::throw_exception( boost::bad_weak_ptr() );
+ }
+}
+
+inline shared_count::shared_count( weak_count const & r, sp_nothrow_tag ): pi_( r.pi_ )
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+ , id_(shared_count_id)
+#endif
+{
+ if( pi_ != 0 && !pi_->add_ref_lock() )
+ {
+ pi_ = 0;
+ }
+}
+
+} // namespace detail
+
+} // namespace boost
+
+#if defined( BOOST_SP_DISABLE_DEPRECATED )
+#pragma GCC diagnostic pop
+#endif
+
+#ifdef __BORLANDC__
+# pragma warn .8027 // Functions containing try are not expanded inline
+#endif
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_SHARED_COUNT_HPP_INCLUDED
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