parent
fb36eda6aa
commit
48c39d668d
@ -1,24 +0,0 @@
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//
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// boost/assert.h - BOOST_ASSERT(expr)
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//
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// Copyright (c) 2001, 2002 Peter Dimov and Multi Media Ltd.
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//
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// Permission to copy, use, modify, sell and distribute this software
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// is granted provided this copyright notice appears in all copies.
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// This software is provided "as is" without express or implied
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// warranty, and with no claim as to its suitability for any purpose.
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//
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// Note: There are no include guards. This is intentional.
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//
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// See http://www.boost.org/libs/utility/assert.html for documentation.
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//
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#ifndef ASSERT_H
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#define ASSERT_H
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#undef BOOST_ASSERT
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# include <assert.h>
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# define BOOST_ASSERT(expr) assert(expr)
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#endif
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@ -1,61 +0,0 @@
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#ifndef BOOST_CHECKED_DELETE_H_INCLUDED
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#define BOOST_CHECKED_DELETE_H_INCLUDED
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//
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// boost/checked_delete.h
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//
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// Copyright (c) 1999, 2000, 2001, 2002 boost.org
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// Copyright (c) 2002, 2003 Peter Dimov
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//
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// Permission to copy, use, modify, sell and distribute this software
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// is granted provided this copyright notice appears in all copies.
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// This software is provided "as is" without express or implied
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// warranty, and with no claim as to its suitability for any purpose.
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//
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// See http://www.boost.org/libs/utility/checked_delete.html for documentation.
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//
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namespace myboost
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{
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// verify that types are complete for increased safety
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template<class T> inline void checked_delete(T * x)
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{
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// Intel 7 accepts sizeof(incomplete) as 0 in system headers
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typedef char type_must_be_complete[ sizeof(T)? 1: -1 ];
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delete x;
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}
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template<class T> inline void checked_array_delete(T * x)
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{
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typedef char type_must_be_complete[ sizeof(T)? 1: -1 ];
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delete [] x;
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}
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template<class T> struct checked_deleter
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{
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typedef void result_type;
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typedef T * argument_type;
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void operator()(T * x) const
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{
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// boost:: disables ADL
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myboost::checked_delete(x);
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}
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};
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template<class T> struct checked_array_deleter
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{
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typedef void result_type;
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typedef T * argument_type;
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void operator()(T * x) const
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{
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myboost::checked_array_delete(x);
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}
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};
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} // namespace myboost
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#endif // #ifndef BOOST_CHECKED_DELETE_H_INCLUDED
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@ -1,74 +0,0 @@
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#ifndef BOOST_DETAIL_LWM_PTHREADS_H_INCLUDED
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#define BOOST_DETAIL_LWM_PTHREADS_H_INCLUDED
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//
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// boost/detail/lwm_pthreads.h
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//
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// Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
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//
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// Permission to copy, use, modify, sell and distribute this software
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// is granted provided this copyright notice appears in all copies.
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// This software is provided "as is" without express or implied
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// warranty, and with no claim as to its suitability for any purpose.
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//
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#include <pthread.h>
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namespace myboost
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{
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namespace detail
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{
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class lightweight_mutex
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{
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private:
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pthread_mutex_t m_;
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lightweight_mutex(lightweight_mutex const &);
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lightweight_mutex & operator=(lightweight_mutex const &);
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public:
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lightweight_mutex()
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{
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pthread_mutex_init(&m_, 0);
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}
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~lightweight_mutex()
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{
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pthread_mutex_destroy(&m_);
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}
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class scoped_lock;
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friend class scoped_lock;
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class scoped_lock
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{
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private:
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pthread_mutex_t & m_;
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scoped_lock(scoped_lock const &);
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scoped_lock & operator=(scoped_lock const &);
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public:
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scoped_lock(lightweight_mutex & m): m_(m.m_)
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{
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pthread_mutex_lock(&m_);
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}
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~scoped_lock()
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{
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pthread_mutex_unlock(&m_);
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}
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};
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};
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} // namespace detail
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} // namespace myboost
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#endif // #ifndef BOOST_DETAIL_LWM_PTHREADS_H_INCLUDED
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#ifndef BOOST_DETAIL_SHARED_COUNT_H_INCLUDED
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#define BOOST_DETAIL_SHARED_COUNT_H_INCLUDED
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//
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// detail/shared_count.h
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//
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// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
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//
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// Permission to copy, use, modify, sell and distribute this software
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// is granted provided this copyright notice appears in all copies.
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// This software is provided "as is" without express or implied
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// warranty, and with no claim as to its suitability for any purpose.
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//
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#include "myboost/checked_delete.h"
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#include "myboost/throw_exception.h"
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#include "myboost/lightweight_mutex.h"
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#include <memory> // std::auto_ptr, std::allocator
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#include <functional> // std::less
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#include <exception> // std::exception
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#include <new> // std::bad_alloc
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#include <typeinfo> // std::type_info in get_deleter
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#include <cstddef> // std::size_t
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namespace myboost
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{
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class bad_weak_ptr: public std::exception
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{
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public:
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virtual char const * what() const throw()
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{
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return "myboost::bad_weak_ptr";
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}
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};
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namespace detail
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{
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class sp_counted_base
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{
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private:
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typedef detail::lightweight_mutex mutex_type;
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public:
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sp_counted_base(): use_count_(1), weak_count_(1)
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{
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}
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virtual ~sp_counted_base() // nothrow
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{
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}
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// dispose() is called when use_count_ drops to zero, to release
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// the resources managed by *this.
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virtual void dispose() = 0; // nothrow
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// destruct() is called when weak_count_ drops to zero.
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virtual void destruct() // nothrow
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{
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delete this;
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}
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virtual void * get_deleter(std::type_info const & ti) = 0;
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void add_ref_copy()
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{
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mutex_type::scoped_lock lock(mtx_);
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++use_count_;
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}
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void add_ref_lock()
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{
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mutex_type::scoped_lock lock(mtx_);
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if(use_count_ == 0) myboost::throw_exception(myboost::bad_weak_ptr());
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++use_count_;
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}
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void release() // nothrow
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{
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{
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mutex_type::scoped_lock lock(mtx_);
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long new_use_count = --use_count_;
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if(new_use_count != 0) return;
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}
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dispose();
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weak_release();
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}
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void weak_add_ref() // nothrow
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{
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mutex_type::scoped_lock lock(mtx_);
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++weak_count_;
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}
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void weak_release() // nothrow
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{
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long new_weak_count;
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{
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mutex_type::scoped_lock lock(mtx_);
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new_weak_count = --weak_count_;
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}
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if(new_weak_count == 0)
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{
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destruct();
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}
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}
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long use_count() const // nothrow
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{
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mutex_type::scoped_lock lock(mtx_);
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return use_count_;
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}
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private:
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sp_counted_base(sp_counted_base const &);
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sp_counted_base & operator= (sp_counted_base const &);
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long use_count_; // #shared
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long weak_count_; // #weak + (#shared != 0)
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mutable mutex_type mtx_;
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};
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template<class P, class D> class sp_counted_base_impl: public sp_counted_base
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{
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private:
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P ptr; // copy constructor must not throw
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D del; // copy constructor must not throw
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sp_counted_base_impl(sp_counted_base_impl const &);
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sp_counted_base_impl & operator= (sp_counted_base_impl const &);
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typedef sp_counted_base_impl<P, D> this_type;
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public:
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// pre: initial_use_count <= initial_weak_count, d(p) must not throw
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sp_counted_base_impl(P p, D d): ptr(p), del(d)
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{
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}
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virtual void dispose() // nothrow
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{
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del(ptr);
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}
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virtual void * get_deleter(std::type_info const & ti)
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{
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return ti == typeid(D)? &del: 0;
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}
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void * operator new(std::size_t)
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{
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return std::allocator<this_type>().allocate(1, static_cast<this_type *>(0));
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}
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void operator delete(void * p)
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{
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std::allocator<this_type>().deallocate(static_cast<this_type *>(p), 1);
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}
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};
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class weak_count;
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class shared_count
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{
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private:
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sp_counted_base * pi_;
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friend class weak_count;
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public:
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shared_count(): pi_(0) // nothrow
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{
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}
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template<class P, class D> shared_count(P p, D d): pi_(0)
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{
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try
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{
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pi_ = new sp_counted_base_impl<P, D>(p, d);
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}
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catch(...)
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{
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d(p); // delete p
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throw;
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}
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pi_ = new sp_counted_base_impl<P, D>(p, d);
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if(pi_ == 0)
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{
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d(p); // delete p
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myboost::throw_exception(std::bad_alloc());
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}
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}
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// auto_ptr<Y> is special cased to provide the strong guarantee
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template<class Y>
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explicit shared_count(std::auto_ptr<Y> & r): pi_(new sp_counted_base_impl< Y *, checked_deleter<Y> >(r.get(), checked_deleter<Y>()))
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{
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r.release();
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}
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~shared_count() // nothrow
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{
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if(pi_ != 0) pi_->release();
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}
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shared_count(shared_count const & r): pi_(r.pi_) // nothrow
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{
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if(pi_ != 0) pi_->add_ref_copy();
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}
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explicit shared_count(weak_count const & r); // throws bad_weak_ptr when r.use_count() == 0
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shared_count & operator= (shared_count const & r) // nothrow
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{
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sp_counted_base * tmp = r.pi_;
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if(tmp != 0) tmp->add_ref_copy();
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if(pi_ != 0) pi_->release();
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pi_ = tmp;
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return *this;
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}
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void swap(shared_count & r) // nothrow
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{
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sp_counted_base * tmp = r.pi_;
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r.pi_ = pi_;
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pi_ = tmp;
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}
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long use_count() const // nothrow
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{
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return pi_ != 0? pi_->use_count(): 0;
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}
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bool unique() const // nothrow
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{
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return use_count() == 1;
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}
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friend inline bool operator==(shared_count const & a, shared_count const & b)
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{
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return a.pi_ == b.pi_;
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}
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friend inline bool operator<(shared_count const & a, shared_count const & b)
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{
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return std::less<sp_counted_base *>()(a.pi_, b.pi_);
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}
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void * get_deleter(std::type_info const & ti) const
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{
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return pi_? pi_->get_deleter(ti): 0;
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}
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};
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class weak_count
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{
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private:
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sp_counted_base * pi_;
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friend class shared_count;
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public:
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weak_count(): pi_(0) // nothrow
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{
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}
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weak_count(shared_count const & r): pi_(r.pi_) // nothrow
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{
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if(pi_ != 0) pi_->weak_add_ref();
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}
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weak_count(weak_count const & r): pi_(r.pi_) // nothrow
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{
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if(pi_ != 0) pi_->weak_add_ref();
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}
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~weak_count() // nothrow
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{
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if(pi_ != 0) pi_->weak_release();
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}
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weak_count & operator= (shared_count const & r) // nothrow
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{
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sp_counted_base * tmp = r.pi_;
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if(tmp != 0) tmp->weak_add_ref();
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if(pi_ != 0) pi_->weak_release();
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pi_ = tmp;
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return *this;
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}
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weak_count & operator= (weak_count const & r) // nothrow
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||||
{
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sp_counted_base * tmp = r.pi_;
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if(tmp != 0) tmp->weak_add_ref();
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if(pi_ != 0) pi_->weak_release();
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pi_ = tmp;
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return *this;
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}
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void swap(weak_count & r) // nothrow
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||||
{
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sp_counted_base * tmp = r.pi_;
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r.pi_ = pi_;
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pi_ = tmp;
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||||
}
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long use_count() const // nothrow
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{
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return pi_ != 0? pi_->use_count(): 0;
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}
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friend inline bool operator==(weak_count const & a, weak_count const & b)
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{
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return a.pi_ == b.pi_;
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}
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friend inline bool operator<(weak_count const & a, weak_count const & b)
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{
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return std::less<sp_counted_base *>()(a.pi_, b.pi_);
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}
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};
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inline shared_count::shared_count(weak_count const & r): pi_(r.pi_)
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{
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if(pi_ != 0)
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{
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pi_->add_ref_lock();
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}
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||||
else
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{
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myboost::throw_exception(myboost::bad_weak_ptr());
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}
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||||
}
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||||
|
||||
} // namespace detail
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||||
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} // namespace myboost
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#endif // #ifndef BOOST_DETAIL_SHARED_COUNT_H_INCLUDED
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@ -1,395 +0,0 @@
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#ifndef BOOST_SHARED_PTR_H_INCLUDED
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#define BOOST_SHARED_PTR_H_INCLUDED
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|
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// shared_ptr.h
|
||||
//
|
||||
// (C) Copyright Greg Colvin and Beman Dawes 1998, 1999.
|
||||
// Copyright (c) 2001, 2002, 2003 Peter Dimov
|
||||
//
|
||||
// Permission to copy, use, modify, sell and distribute this software
|
||||
// is granted provided this copyright notice appears in all copies.
|
||||
// This software is provided "as is" without express or implied
|
||||
// warranty, and with no claim as to its suitability for any purpose.
|
||||
//
|
||||
// See http://www.boost.org/libs/smart_ptr/shared_ptr.htm for documentation.
|
||||
//
|
||||
|
||||
#include "myboost/assert.h"
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||||
#include "myboost/checked_delete.h"
|
||||
#include "myboost/throw_exception.h"
|
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#include "myboost/shared_count.h"
|
||||
|
||||
#include <memory> // for std::auto_ptr
|
||||
#include <algorithm> // for std::swap
|
||||
#include <functional> // for std::less
|
||||
#include <typeinfo> // for std::bad_cast
|
||||
#include <iosfwd> // for std::basic_ostream
|
||||
|
||||
namespace myboost
|
||||
{
|
||||
|
||||
template<class T> class weak_ptr;
|
||||
template<class T> class enable_shared_from_this;
|
||||
|
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namespace detail
|
||||
{
|
||||
|
||||
struct static_cast_tag {};
|
||||
struct const_cast_tag {};
|
||||
struct dynamic_cast_tag {};
|
||||
struct polymorphic_cast_tag {};
|
||||
|
||||
template<class T> struct shared_ptr_traits
|
||||
{
|
||||
typedef T & reference;
|
||||
};
|
||||
|
||||
template<> struct shared_ptr_traits<void>
|
||||
{
|
||||
typedef void reference;
|
||||
};
|
||||
|
||||
template<> struct shared_ptr_traits<void const>
|
||||
{
|
||||
typedef void reference;
|
||||
};
|
||||
|
||||
template<> struct shared_ptr_traits<void volatile>
|
||||
{
|
||||
typedef void reference;
|
||||
};
|
||||
|
||||
template<> struct shared_ptr_traits<void const volatile>
|
||||
{
|
||||
typedef void reference;
|
||||
};
|
||||
|
||||
// enable_shared_from_this support
|
||||
|
||||
template<class T, class Y> void sp_enable_shared_from_this(myboost::enable_shared_from_this<T> * pe, Y * px, shared_count const & pn)
|
||||
{
|
||||
if(pe != 0) pe->_internal_weak_this._internal_assign(px, pn);
|
||||
}
|
||||
|
||||
inline void sp_enable_shared_from_this(void const *, void const *, shared_count const &)
|
||||
{
|
||||
}
|
||||
|
||||
} // namespace detail
|
||||
|
||||
|
||||
//
|
||||
// shared_ptr
|
||||
//
|
||||
// An enhanced relative of scoped_ptr with reference counted copy semantics.
|
||||
// The object pointed to is deleted when the last shared_ptr pointing to it
|
||||
// is destroyed or reset.
|
||||
//
|
||||
|
||||
template<class T> class shared_ptr
|
||||
{
|
||||
private:
|
||||
|
||||
// Borland 5.5.1 specific workaround
|
||||
typedef shared_ptr<T> this_type;
|
||||
|
||||
public:
|
||||
|
||||
typedef T element_type;
|
||||
typedef T value_type;
|
||||
typedef T * pointer;
|
||||
typedef typename detail::shared_ptr_traits<T>::reference reference;
|
||||
|
||||
shared_ptr(): px(0), pn() // never throws in 1.30+
|
||||
{
|
||||
}
|
||||
|
||||
template<class Y>
|
||||
explicit shared_ptr(Y * p): px(p), pn(p, checked_deleter<Y>()) // Y must be complete
|
||||
{
|
||||
detail::sp_enable_shared_from_this(p, p, pn);
|
||||
}
|
||||
|
||||
//
|
||||
// Requirements: D's copy constructor must not throw
|
||||
//
|
||||
// shared_ptr will release p by calling d(p)
|
||||
//
|
||||
|
||||
template<class Y, class D> shared_ptr(Y * p, D d): px(p), pn(p, d)
|
||||
{
|
||||
detail::sp_enable_shared_from_this(p, p, pn);
|
||||
}
|
||||
|
||||
// generated copy constructor, assignment, destructor are fine...
|
||||
// except that Borland C++ has a bug, and g++ with -Wsynth warns
|
||||
shared_ptr & operator=(shared_ptr const & r) // never throws
|
||||
{
|
||||
px = r.px;
|
||||
pn = r.pn; // shared_count::op= doesn't throw
|
||||
return *this;
|
||||
}
|
||||
|
||||
template<class Y>
|
||||
explicit shared_ptr(weak_ptr<Y> const & r): pn(r.pn) // may throw
|
||||
{
|
||||
// it is now safe to copy r.px, as pn(r.pn) did not throw
|
||||
px = r.px;
|
||||
}
|
||||
|
||||
template<class Y>
|
||||
shared_ptr(shared_ptr<Y> const & r): px(r.px), pn(r.pn) // never throws
|
||||
{
|
||||
}
|
||||
|
||||
template<class Y>
|
||||
shared_ptr(shared_ptr<Y> const & r, detail::static_cast_tag): px(static_cast<element_type *>(r.px)), pn(r.pn)
|
||||
{
|
||||
}
|
||||
|
||||
template<class Y>
|
||||
shared_ptr(shared_ptr<Y> const & r, detail::const_cast_tag): px(const_cast<element_type *>(r.px)), pn(r.pn)
|
||||
{
|
||||
}
|
||||
|
||||
template<class Y>
|
||||
shared_ptr(shared_ptr<Y> const & r, detail::dynamic_cast_tag): px(dynamic_cast<element_type *>(r.px)), pn(r.pn)
|
||||
{
|
||||
if(px == 0) // need to allocate new counter -- the cast failed
|
||||
{
|
||||
pn = detail::shared_count();
|
||||
}
|
||||
}
|
||||
|
||||
template<class Y>
|
||||
shared_ptr(shared_ptr<Y> const & r, detail::polymorphic_cast_tag): px(dynamic_cast<element_type *>(r.px)), pn(r.pn)
|
||||
{
|
||||
if(px == 0)
|
||||
{
|
||||
myboost::throw_exception(std::bad_cast());
|
||||
}
|
||||
}
|
||||
|
||||
template<class Y>
|
||||
explicit shared_ptr(std::auto_ptr<Y> & r): px(r.get()), pn()
|
||||
{
|
||||
Y * tmp = r.get();
|
||||
pn = detail::shared_count(r);
|
||||
detail::sp_enable_shared_from_this(tmp, tmp, pn);
|
||||
}
|
||||
|
||||
template<class Y>
|
||||
shared_ptr & operator=(shared_ptr<Y> const & r) // never throws
|
||||
{
|
||||
px = r.px;
|
||||
pn = r.pn; // shared_count::op= doesn't throw
|
||||
return *this;
|
||||
}
|
||||
|
||||
template<class Y>
|
||||
shared_ptr & operator=(std::auto_ptr<Y> & r)
|
||||
{
|
||||
this_type(r).swap(*this);
|
||||
return *this;
|
||||
}
|
||||
|
||||
void reset() // never throws in 1.30+
|
||||
{
|
||||
this_type().swap(*this);
|
||||
}
|
||||
|
||||
template<class Y> void reset(Y * p) // Y must be complete
|
||||
{
|
||||
BOOST_ASSERT(p == 0 || p != px); // catch self-reset errors
|
||||
this_type(p).swap(*this);
|
||||
}
|
||||
|
||||
template<class Y, class D> void reset(Y * p, D d)
|
||||
{
|
||||
this_type(p, d).swap(*this);
|
||||
}
|
||||
|
||||
reference 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;
|
||||
}
|
||||
|
||||
typedef T * (this_type::*unspecified_bool_type)() const;
|
||||
|
||||
operator unspecified_bool_type() const // never throws
|
||||
{
|
||||
return px == 0? 0: &this_type::get;
|
||||
}
|
||||
|
||||
// operator! is redundant, but some compilers need it
|
||||
|
||||
bool operator! () const // never throws
|
||||
{
|
||||
return px == 0;
|
||||
}
|
||||
|
||||
bool unique() const // never throws
|
||||
{
|
||||
return pn.unique();
|
||||
}
|
||||
|
||||
long use_count() const // never throws
|
||||
{
|
||||
return pn.use_count();
|
||||
}
|
||||
|
||||
void swap(shared_ptr<T> & other) // never throws
|
||||
{
|
||||
std::swap(px, other.px);
|
||||
pn.swap(other.pn);
|
||||
}
|
||||
|
||||
template<class Y> bool _internal_less(shared_ptr<Y> const & rhs) const
|
||||
{
|
||||
return pn < rhs.pn;
|
||||
}
|
||||
|
||||
void * _internal_get_deleter(std::type_info const & ti) const
|
||||
{
|
||||
return pn.get_deleter(ti);
|
||||
}
|
||||
|
||||
// Tasteless as this may seem, making all members public allows member templates
|
||||
// to work in the absence of member template friends. (Matthew Langston)
|
||||
|
||||
# if __GNUC__ >= 2 && __GNUC_MINOR__ >= 97
|
||||
private:
|
||||
|
||||
template<class Y> friend class shared_ptr;
|
||||
template<class Y> friend class weak_ptr;
|
||||
#endif
|
||||
|
||||
T * px; // contained pointer
|
||||
detail::shared_count pn; // reference counter
|
||||
|
||||
}; // shared_ptr
|
||||
|
||||
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();
|
||||
}
|
||||
|
||||
#if __GNUC__ == 2 && __GNUC_MINOR__ <= 96
|
||||
|
||||
// Resolve the ambiguity between our op!= and the one in rel_ops
|
||||
|
||||
template<class T> inline bool operator!=(shared_ptr<T> const & a, shared_ptr<T> const & b)
|
||||
{
|
||||
return a.get() != b.get();
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
template<class T, class U> inline bool operator<(shared_ptr<T> const & a, shared_ptr<U> const & b)
|
||||
{
|
||||
return a._internal_less(b);
|
||||
}
|
||||
|
||||
template<class T> inline void swap(shared_ptr<T> & a, shared_ptr<T> & b)
|
||||
{
|
||||
a.swap(b);
|
||||
}
|
||||
|
||||
template<class T, class U> shared_ptr<T> static_pointer_cast(shared_ptr<U> const & r)
|
||||
{
|
||||
return shared_ptr<T>(r, detail::static_cast_tag());
|
||||
}
|
||||
|
||||
template<class T, class U> shared_ptr<T> const_pointer_cast(shared_ptr<U> const & r)
|
||||
{
|
||||
return shared_ptr<T>(r, detail::const_cast_tag());
|
||||
}
|
||||
|
||||
template<class T, class U> shared_ptr<T> dynamic_pointer_cast(shared_ptr<U> const & r)
|
||||
{
|
||||
return shared_ptr<T>(r, detail::dynamic_cast_tag());
|
||||
}
|
||||
|
||||
// shared_*_cast names are deprecated. Use *_pointer_cast instead.
|
||||
|
||||
template<class T, class U> shared_ptr<T> shared_static_cast(shared_ptr<U> const & r)
|
||||
{
|
||||
return shared_ptr<T>(r, detail::static_cast_tag());
|
||||
}
|
||||
|
||||
template<class T, class U> shared_ptr<T> shared_dynamic_cast(shared_ptr<U> const & r)
|
||||
{
|
||||
return shared_ptr<T>(r, detail::dynamic_cast_tag());
|
||||
}
|
||||
|
||||
template<class T, class U> shared_ptr<T> shared_polymorphic_cast(shared_ptr<U> const & r)
|
||||
{
|
||||
return shared_ptr<T>(r, detail::polymorphic_cast_tag());
|
||||
}
|
||||
|
||||
template<class T, class U> shared_ptr<T> shared_polymorphic_downcast(shared_ptr<U> const & r)
|
||||
{
|
||||
BOOST_ASSERT(dynamic_cast<T *>(r.get()) == r.get());
|
||||
return shared_static_cast<T>(r);
|
||||
}
|
||||
|
||||
// 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();
|
||||
}
|
||||
|
||||
// operator<<
|
||||
|
||||
|
||||
template<class Y> std::ostream & operator<< (std::ostream & os, shared_ptr<Y> const & p)
|
||||
{
|
||||
os << p.get();
|
||||
return os;
|
||||
}
|
||||
|
||||
|
||||
// get_deleter (experimental)
|
||||
|
||||
#if (defined(__GNUC__) && (__GNUC__ < 3)) || (defined(__EDG_VERSION__) && (__EDG_VERSION__ <= 238))
|
||||
|
||||
// g++ 2.9x doesn't allow static_cast<X const *>(void *)
|
||||
// apparently EDG 2.38 also doesn't accept it
|
||||
|
||||
template<class D, class T> D * get_deleter(shared_ptr<T> const & p)
|
||||
{
|
||||
void const * q = p._internal_get_deleter(typeid(D));
|
||||
return const_cast<D *>(static_cast<D const *>(q));
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
template<class D, class T> D * get_deleter(shared_ptr<T> const & p)
|
||||
{
|
||||
return static_cast<D *>(p._internal_get_deleter(typeid(D)));
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
} // namespace boost
|
||||
|
||||
|
||||
#endif // #ifndef BOOST_SHARED_PTR_H_INCLUDED
|
||||
@ -1,30 +0,0 @@
|
||||
#ifndef BOOST_THROW_EXCEPTION_H_INCLUDED
|
||||
#define BOOST_THROW_EXCEPTION_H_INCLUDED
|
||||
|
||||
|
||||
//
|
||||
// boost/throw_exception.h
|
||||
//
|
||||
// Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
|
||||
//
|
||||
// Permission to copy, use, modify, sell and distribute this software
|
||||
// is granted provided this copyright notice appears in all copies.
|
||||
// This software is provided "as is" without express or implied
|
||||
// warranty, and with no claim as to its suitability for any purpose.
|
||||
//
|
||||
// http://www.boost.org/libs/utility/throw_exception.html
|
||||
//
|
||||
|
||||
# include <exception>
|
||||
|
||||
namespace myboost
|
||||
{
|
||||
|
||||
template<class E> void throw_exception(E const & e)
|
||||
{
|
||||
throw e;
|
||||
}
|
||||
|
||||
} // namespace myboost
|
||||
|
||||
#endif // #ifndef BOOST_THROW_EXCEPTION_H_INCLUDED
|
||||
Loading…
Reference in new issue