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Diffstat (limited to 'src/third_party/boost/boost/smart_ptr/detail/shared_ptr_nmt.hpp')
-rw-r--r-- | src/third_party/boost/boost/smart_ptr/detail/shared_ptr_nmt.hpp | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/src/third_party/boost/boost/smart_ptr/detail/shared_ptr_nmt.hpp b/src/third_party/boost/boost/smart_ptr/detail/shared_ptr_nmt.hpp deleted file mode 100644 index afc1ec03f1b..00000000000 --- a/src/third_party/boost/boost/smart_ptr/detail/shared_ptr_nmt.hpp +++ /dev/null @@ -1,182 +0,0 @@ -#ifndef BOOST_SMART_PTR_DETAIL_SHARED_PTR_NMT_HPP_INCLUDED -#define BOOST_SMART_PTR_DETAIL_SHARED_PTR_NMT_HPP_INCLUDED - -// -// detail/shared_ptr_nmt.hpp - shared_ptr.hpp without member templates -// -// (C) Copyright Greg Colvin and Beman Dawes 1998, 1999. -// Copyright (c) 2001, 2002 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/shared_ptr.htm for documentation. -// - -#include <boost/assert.hpp> -#include <boost/checked_delete.hpp> -#include <boost/throw_exception.hpp> -#include <boost/smart_ptr/detail/atomic_count.hpp> - -#ifndef BOOST_NO_AUTO_PTR -# include <memory> // for std::auto_ptr -#endif - -#include <algorithm> // for std::swap -#include <functional> // for std::less -#include <new> // for std::bad_alloc - -namespace boost -{ - -template<class T> class shared_ptr -{ -private: - - typedef detail::atomic_count count_type; - -public: - - typedef T element_type; - typedef T value_type; - - explicit shared_ptr(T * p = 0): px(p) - { -#ifndef BOOST_NO_EXCEPTIONS - - try // prevent leak if new throws - { - pn = new count_type(1); - } - catch(...) - { - boost::checked_delete(p); - throw; - } - -#else - - pn = new count_type(1); - - if(pn == 0) - { - boost::checked_delete(p); - boost::throw_exception(std::bad_alloc()); - } - -#endif - } - - ~shared_ptr() - { - if(--*pn == 0) - { - boost::checked_delete(px); - delete pn; - } - } - - shared_ptr(shared_ptr const & r): px(r.px) // never throws - { - pn = r.pn; - ++*pn; - } - - shared_ptr & operator=(shared_ptr const & r) - { - shared_ptr(r).swap(*this); - return *this; - } - -#ifndef BOOST_NO_AUTO_PTR - - explicit shared_ptr(std::auto_ptr<T> & r) - { - pn = new count_type(1); // may throw - px = r.release(); // fix: moved here to stop leak if new throws - } - - shared_ptr & operator=(std::auto_ptr<T> & r) - { - shared_ptr(r).swap(*this); - return *this; - } - -#endif - - void reset(T * p = 0) - { - BOOST_ASSERT(p == 0 || p != px); - shared_ptr(p).swap(*this); - } - - T & operator*() const // never throws - { - BOOST_ASSERT(px != 0); - return *px; - } - - T * operator->() const // never throws - { - BOOST_ASSERT(px != 0); - return px; - } - - T * get() const // never throws - { - return px; - } - - long use_count() const // never throws - { - return *pn; - } - - bool unique() const // never throws - { - return *pn == 1; - } - - void swap(shared_ptr<T> & other) // never throws - { - std::swap(px, other.px); - std::swap(pn, other.pn); - } - -private: - - T * px; // contained pointer - count_type * pn; // ptr to reference counter -}; - -template<class T, class U> inline bool operator==(shared_ptr<T> const & a, shared_ptr<U> const & b) -{ - return a.get() == b.get(); -} - -template<class T, class U> inline bool operator!=(shared_ptr<T> const & a, shared_ptr<U> const & b) -{ - return a.get() != b.get(); -} - -template<class T> inline bool operator<(shared_ptr<T> const & a, shared_ptr<T> const & b) -{ - return std::less<T*>()(a.get(), b.get()); -} - -template<class T> void swap(shared_ptr<T> & a, shared_ptr<T> & b) -{ - a.swap(b); -} - -// get_pointer() enables boost::mem_fn to recognize shared_ptr - -template<class T> inline T * get_pointer(shared_ptr<T> const & p) -{ - return p.get(); -} - -} // namespace boost - -#endif // #ifndef BOOST_SMART_PTR_DETAIL_SHARED_PTR_NMT_HPP_INCLUDED |