FM / smart

/usr/include/boost/smart_ptr

Name	Size	Mode	Actions
detail/	-	0755	rm
allocate_local_shared_array.hpp	5655	0644	edit dl rm
allocate_shared_array.hpp	9959	0644	edit dl rm
allocate_unique.hpp	12369	0644	edit dl rm
atomic_shared_ptr.hpp	5815	0644	edit dl rm
bad_weak_ptr.hpp	1744	0644	edit dl rm
enable_shared_from.hpp	1184	0644	edit dl rm
enable_shared_from_raw.hpp	4479	0644	edit dl rm
enable_shared_from_this.hpp	2175	0644	edit dl rm
intrusive_ptr.hpp	9427	0644	edit dl rm
intrusive_ref_counter.hpp	5817	0644	edit dl rm
local_shared_ptr.hpp	19377	0644	edit dl rm
make_local_shared.hpp	576	0644	edit dl rm
make_local_shared_array.hpp	2179	0644	edit dl rm
make_local_shared_object.hpp	4787	0644	edit dl rm
make_shared.hpp	707	0644	edit dl rm
make_shared_array.hpp	1996	0644	edit dl rm
make_shared_object.hpp	24622	0644	edit dl rm
make_unique.hpp	1783	0644	edit dl rm
owner_equal_to.hpp	671	0644	edit dl rm
owner_hash.hpp	600	0644	edit dl rm
owner_less.hpp	853	0644	edit dl rm
scoped_array.hpp	3301	0644	edit dl rm
scoped_ptr.hpp	4082	0644	edit dl rm
shared_array.hpp	7252	0644	edit dl rm
shared_ptr.hpp	31199	0644	edit dl rm
weak_ptr.hpp	7582	0644	edit dl rm

Edit: /usr/include/boost/smart_ptr/weak_ptr.hpp (7582B)

#ifndef BOOST_SMART_PTR_WEAK_PTR_HPP_INCLUDED
#define BOOST_SMART_PTR_WEAK_PTR_HPP_INCLUDED

//
//  weak_ptr.hpp
//
//  Copyright (c) 2001, 2002, 2003 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)
//
//  See http://www.boost.org/libs/smart_ptr/ for documentation.
//

#include <boost/smart_ptr/detail/shared_count.hpp>
#include <boost/smart_ptr/shared_ptr.hpp>
#include <boost/smart_ptr/detail/sp_noexcept.hpp>
#include <memory>
#include <cstddef>

namespace boost
{

template<class T> class weak_ptr
{
private:

// Borland 5.5.1 specific workarounds
    typedef weak_ptr<T> this_type;

public:

typedef typename boost::detail::sp_element< T >::type element_type;

BOOST_CONSTEXPR weak_ptr() BOOST_SP_NOEXCEPT : px(0), pn()
    {
    }

//  generated copy constructor, assignment, destructor are fine...

#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )

// ... except in C++0x, move disables the implicit copy

weak_ptr( weak_ptr const & r ) BOOST_SP_NOEXCEPT : px( r.px ), pn( r.pn )
    {
    }

weak_ptr & operator=( weak_ptr const & r ) BOOST_SP_NOEXCEPT
    {
        px = r.px;
        pn = r.pn;
        return *this;
    }

#endif

//
//  The "obvious" converting constructor implementation:
//
//  template<class Y>
//  weak_ptr(weak_ptr<Y> const & r): px(r.px), pn(r.pn)
//  {
//  }
//
//  has a serious problem.
//
//  r.px may already have been invalidated. The px(r.px)
//  conversion may require access to *r.px (virtual inheritance).
//
//  It is not possible to avoid spurious access violations since
//  in multithreaded programs r.px may be invalidated at any point.
//

template<class Y>
#if !defined( BOOST_SP_NO_SP_CONVERTIBLE )

weak_ptr( weak_ptr<Y> const & r, typename boost::detail::sp_enable_if_convertible<Y,T>::type = boost::detail::sp_empty() )

#else

weak_ptr( weak_ptr<Y> const & r )

#endif
    BOOST_SP_NOEXCEPT : px(r.lock().get()), pn(r.pn)
    {
        boost::detail::sp_assert_convertible< Y, T >();
    }

#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )

template<class Y>
#if !defined( BOOST_SP_NO_SP_CONVERTIBLE )

weak_ptr( weak_ptr<Y> && r, typename boost::detail::sp_enable_if_convertible<Y,T>::type = boost::detail::sp_empty() )

#else

weak_ptr( weak_ptr<Y> && r )

#endif
    BOOST_SP_NOEXCEPT : px( r.lock().get() ), pn( static_cast< boost::detail::weak_count && >( r.pn ) )
    {
        boost::detail::sp_assert_convertible< Y, T >();
        r.px = 0;
    }

// for better efficiency in the T == Y case
    weak_ptr( weak_ptr && r )
    BOOST_SP_NOEXCEPT : px( r.px ), pn( static_cast< boost::detail::weak_count && >( r.pn ) )
    {
        r.px = 0;
    }

// for better efficiency in the T == Y case
    weak_ptr & operator=( weak_ptr && r ) BOOST_SP_NOEXCEPT
    {
        this_type( static_cast< weak_ptr && >( r ) ).swap( *this );
        return *this;
    }

#endif

template<class Y>
#if !defined( BOOST_SP_NO_SP_CONVERTIBLE )

weak_ptr( shared_ptr<Y> const & r, typename boost::detail::sp_enable_if_convertible<Y,T>::type = boost::detail::sp_empty() )

#else

weak_ptr( shared_ptr<Y> const & r )

#endif
    BOOST_SP_NOEXCEPT : px( r.px ), pn( r.pn )
    {
        boost::detail::sp_assert_convertible< Y, T >();
    }

// aliasing
    template<class Y> weak_ptr(shared_ptr<Y> const & r, element_type * p) BOOST_SP_NOEXCEPT: px( p ), pn( r.pn )
    {
    }

template<class Y> weak_ptr(weak_ptr<Y> const & r, element_type * p) BOOST_SP_NOEXCEPT: px( p ), pn( r.pn )
    {
    }

#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )

template<class Y> weak_ptr(weak_ptr<Y> && r, element_type * p) BOOST_SP_NOEXCEPT: px( p ), pn( std::move( r.pn ) )
    {
    }

#endif

#if !defined(BOOST_MSVC) || (BOOST_MSVC >= 1300)

template<class Y>
    weak_ptr & operator=( weak_ptr<Y> const & r ) BOOST_SP_NOEXCEPT
    {
        boost::detail::sp_assert_convertible< Y, T >();

px = r.lock().get();
        pn = r.pn;

return *this;
    }

#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )

template<class Y>
    weak_ptr & operator=( weak_ptr<Y> && r ) BOOST_SP_NOEXCEPT
    {
        this_type( static_cast< weak_ptr<Y> && >( r ) ).swap( *this );
        return *this;
    }

#endif

template<class Y>
    weak_ptr & operator=( shared_ptr<Y> const & r ) BOOST_SP_NOEXCEPT
    {
        boost::detail::sp_assert_convertible< Y, T >();

px = r.px;
        pn = r.pn;

return *this;
    }

#endif

shared_ptr<T> lock() const BOOST_SP_NOEXCEPT
    {
        return shared_ptr<T>( *this, boost::detail::sp_nothrow_tag() );
    }

long use_count() const BOOST_SP_NOEXCEPT
    {
        return pn.use_count();
    }

bool expired() const BOOST_SP_NOEXCEPT
    {
        return pn.use_count() == 0;
    }

bool _empty() const BOOST_SP_NOEXCEPT // extension, not in std::weak_ptr
    {
        return pn.empty();
    }

bool empty() const BOOST_SP_NOEXCEPT // extension, not in std::weak_ptr
    {
        return pn.empty();
    }

void reset() BOOST_SP_NOEXCEPT
    {
        this_type().swap(*this);
    }

void swap(this_type & other) BOOST_SP_NOEXCEPT
    {
        std::swap(px, other.px);
        pn.swap(other.pn);
    }

template<class Y> bool owner_before( weak_ptr<Y> const & rhs ) const BOOST_SP_NOEXCEPT
    {
        return pn < rhs.pn;
    }

template<class Y> bool owner_before( shared_ptr<Y> const & rhs ) const BOOST_SP_NOEXCEPT
    {
        return pn < rhs.pn;
    }

template<class Y> bool owner_equals( weak_ptr<Y> const & rhs ) const BOOST_SP_NOEXCEPT
    {
        return pn == rhs.pn;
    }

template<class Y> bool owner_equals( shared_ptr<Y> const & rhs ) const BOOST_SP_NOEXCEPT
    {
        return pn == rhs.pn;
    }

std::size_t owner_hash_value() const BOOST_SP_NOEXCEPT
    {
        return pn.hash_value();
    }

// Tasteless as this may seem, making all members public allows member templates
// to work in the absence of member template friends. (Matthew Langston)

#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS

private:

template<class Y> friend class weak_ptr;
    template<class Y> friend class shared_ptr;

#endif

element_type * px;            // contained pointer
    boost::detail::weak_count pn; // reference counter

};  // weak_ptr

template<class T, class U> inline bool operator<(weak_ptr<T> const & a, weak_ptr<U> const & b) BOOST_SP_NOEXCEPT
{
    return a.owner_before( b );
}

template<class T> void swap(weak_ptr<T> & a, weak_ptr<T> & b) BOOST_SP_NOEXCEPT
{
    a.swap(b);
}

#if defined(__cpp_deduction_guides)

template<class T> weak_ptr( shared_ptr<T> ) -> weak_ptr<T>;

#endif

// hash_value

template< class T > std::size_t hash_value( boost::weak_ptr<T> const & p ) BOOST_SP_NOEXCEPT
{
    return p.owner_hash_value();
}

} // namespace boost

// std::hash, std::equal_to

namespace std
{

#if !defined(BOOST_NO_CXX11_HDR_FUNCTIONAL)

template<class T> struct hash< ::boost::weak_ptr<T> >
{
    std::size_t operator()( ::boost::weak_ptr<T> const & p ) const BOOST_SP_NOEXCEPT
    {
        return p.owner_hash_value();
    }
};

#endif // #if !defined(BOOST_NO_CXX11_HDR_FUNCTIONAL)

template<class T> struct equal_to< ::boost::weak_ptr<T> >
{
    bool operator()( ::boost::weak_ptr<T> const & a, ::boost::weak_ptr<T> const & b ) const BOOST_SP_NOEXCEPT
    {
        return a.owner_equals( b );
    }
};

} // namespace std

#endif  // #ifndef BOOST_SMART_PTR_WEAK_PTR_HPP_INCLUDED

#ifndef BOOST_SMART_PTR_WEAK_PTR_HPP_INCLUDED #define BOOST_SMART_PTR_WEAK_PTR_HPP_INCLUDED // // weak_ptr.hpp // // Copyright (c) 2001, 2002, 2003 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) // // See http://www.boost.org/libs/smart_ptr/ for documentation. // #include #include #include #include #include namespace boost { template class weak_ptr { private: // Borland 5.5.1 specific workarounds typedef weak_ptr this_type; public: typedef typename boost::detail::sp_element< T >::type element_type; BOOST_CONSTEXPR weak_ptr() BOOST_SP_NOEXCEPT : px(0), pn() { } // generated copy constructor, assignment, destructor are fine... #if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES ) // ... except in C++0x, move disables the implicit copy weak_ptr( weak_ptr const & r ) BOOST_SP_NOEXCEPT : px( r.px ), pn( r.pn ) { } weak_ptr & operator=( weak_ptr const & r ) BOOST_SP_NOEXCEPT { px = r.px; pn = r.pn; return *this; } #endif // // The "obvious" converting constructor implementation: // // template // weak_ptr(weak_ptr const & r): px(r.px), pn(r.pn) // { // } // // has a serious problem. // // r.px may already have been invalidated. The px(r.px) // conversion may require access to *r.px (virtual inheritance). // // It is not possible to avoid spurious access violations since // in multithreaded programs r.px may be invalidated at any point. // template #if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) weak_ptr( weak_ptr const & r, typename boost::detail::sp_enable_if_convertible::type = boost::detail::sp_empty() ) #else weak_ptr( weak_ptr const & r ) #endif BOOST_SP_NOEXCEPT : px(r.lock().get()), pn(r.pn) { boost::detail::sp_assert_convertible< Y, T >(); } #if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES ) template #if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) weak_ptr( weak_ptr && r, typename boost::detail::sp_enable_if_convertible::type = boost::detail::sp_empty() ) #else weak_ptr( weak_ptr && r ) #endif BOOST_SP_NOEXCEPT : px( r.lock().get() ), pn( static_cast< boost::detail::weak_count && >( r.pn ) ) { boost::detail::sp_assert_convertible< Y, T >(); r.px = 0; } // for better efficiency in the T == Y case weak_ptr( weak_ptr && r ) BOOST_SP_NOEXCEPT : px( r.px ), pn( static_cast< boost::detail::weak_count && >( r.pn ) ) { r.px = 0; } // for better efficiency in the T == Y case weak_ptr & operator=( weak_ptr && r ) BOOST_SP_NOEXCEPT { this_type( static_cast< weak_ptr && >( r ) ).swap( *this ); return *this; } #endif template #if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) weak_ptr( shared_ptr const & r, typename boost::detail::sp_enable_if_convertible::type = boost::detail::sp_empty() ) #else weak_ptr( shared_ptr const & r ) #endif BOOST_SP_NOEXCEPT : px( r.px ), pn( r.pn ) { boost::detail::sp_assert_convertible< Y, T >(); } // aliasing template weak_ptr(shared_ptr const & r, element_type * p) BOOST_SP_NOEXCEPT: px( p ), pn( r.pn ) { } template weak_ptr(weak_ptr const & r, element_type * p) BOOST_SP_NOEXCEPT: px( p ), pn( r.pn ) { } #if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES ) template weak_ptr(weak_ptr && r, element_type * p) BOOST_SP_NOEXCEPT: px( p ), pn( std::move( r.pn ) ) { } #endif #if !defined(BOOST_MSVC) || (BOOST_MSVC >= 1300) template weak_ptr & operator=( weak_ptr const & r ) BOOST_SP_NOEXCEPT { boost::detail::sp_assert_convertible< Y, T >(); px = r.lock().get(); pn = r.pn; return *this; } #if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES ) template weak_ptr & operator=( weak_ptr && r ) BOOST_SP_NOEXCEPT { this_type( static_cast< weak_ptr && >( r ) ).swap( *this ); return *this; } #endif template weak_ptr & operator=( shared_ptr const & r ) BOOST_SP_NOEXCEPT { boost::detail::sp_assert_convertible< Y, T >(); px = r.px; pn = r.pn; return *this; } #endif shared_ptr lock() const BOOST_SP_NOEXCEPT { return shared_ptr( *this, boost::detail::sp_nothrow_tag() ); } long use_count() const BOOST_SP_NOEXCEPT { return pn.use_count(); } bool expired() const BOOST_SP_NOEXCEPT { return pn.use_count() == 0; } bool _empty() const BOOST_SP_NOEXCEPT // extension, not in std::weak_ptr { return pn.empty(); } bool empty() const BOOST_SP_NOEXCEPT // extension, not in std::weak_ptr { return pn.empty(); } void reset() BOOST_SP_NOEXCEPT { this_type().swap(*this); } void swap(this_type & other) BOOST_SP_NOEXCEPT { std::swap(px, other.px); pn.swap(other.pn); } template bool owner_before( weak_ptr const & rhs ) const BOOST_SP_NOEXCEPT { return pn < rhs.pn; } template bool owner_before( shared_ptr const & rhs ) const BOOST_SP_NOEXCEPT { return pn < rhs.pn; } template bool owner_equals( weak_ptr const & rhs ) const BOOST_SP_NOEXCEPT { return pn == rhs.pn; } template bool owner_equals( shared_ptr const & rhs ) const BOOST_SP_NOEXCEPT { return pn == rhs.pn; } std::size_t owner_hash_value() const BOOST_SP_NOEXCEPT { return pn.hash_value(); } // Tasteless as this may seem, making all members public allows member templates // to work in the absence of member template friends. (Matthew Langston) #ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS private: template friend class weak_ptr; template friend class shared_ptr; #endif element_type * px; // contained pointer boost::detail::weak_count pn; // reference counter }; // weak_ptr template inline bool operator<(weak_ptr const & a, weak_ptr const & b) BOOST_SP_NOEXCEPT { return a.owner_before( b ); } template void swap(weak_ptr & a, weak_ptr & b) BOOST_SP_NOEXCEPT { a.swap(b); } #if defined(__cpp_deduction_guides) template weak_ptr( shared_ptr ) -> weak_ptr; #endif // hash_value template< class T > std::size_t hash_value( boost::weak_ptr const & p ) BOOST_SP_NOEXCEPT { return p.owner_hash_value(); } } // namespace boost // std::hash, std::equal_to namespace std { #if !defined(BOOST_NO_CXX11_HDR_FUNCTIONAL) template struct hash< ::boost::weak_ptr > { std::size_t operator()( ::boost::weak_ptr const & p ) const BOOST_SP_NOEXCEPT { return p.owner_hash_value(); } }; #endif // #if !defined(BOOST_NO_CXX11_HDR_FUNCTIONAL) template struct equal_to< ::boost::weak_ptr > { bool operator()( ::boost::weak_ptr const & a, ::boost::weak_ptr const & b ) const BOOST_SP_NOEXCEPT { return a.owner_equals( b ); } }; } // namespace std #endif // #ifndef BOOST_SMART_PTR_WEAK_PTR_HPP_INCLUDED