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Diffstat (limited to '3rdParty/Boost/boost/smart_ptr/detail/sp_counted_base_w32.hpp')
m--------- | 3rdParty/Boost | 0 | ||||
-rw-r--r-- | 3rdParty/Boost/boost/smart_ptr/detail/sp_counted_base_w32.hpp | 130 |
2 files changed, 0 insertions, 130 deletions
diff --git a/3rdParty/Boost b/3rdParty/Boost new file mode 160000 +Subproject 3bbdbc8cf1996f23d9a366da8bac0f97be6ad79 diff --git a/3rdParty/Boost/boost/smart_ptr/detail/sp_counted_base_w32.hpp b/3rdParty/Boost/boost/smart_ptr/detail/sp_counted_base_w32.hpp deleted file mode 100644 index 06aa456..0000000 --- a/3rdParty/Boost/boost/smart_ptr/detail/sp_counted_base_w32.hpp +++ /dev/null @@ -1,130 +0,0 @@ -#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_W32_HPP_INCLUDED -#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_W32_HPP_INCLUDED - -// MS compatible compilers support #pragma once - -#if defined(_MSC_VER) && (_MSC_VER >= 1020) -# pragma once -#endif - -// -// detail/sp_counted_base_w32.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) -// -// -// Lock-free algorithm by Alexander Terekhov -// -// Thanks to Ben Hitchings for the #weak + (#shared != 0) -// formulation -// - -#include <boost/detail/interlocked.hpp> -#include <boost/detail/workaround.hpp> -#include <boost/detail/sp_typeinfo.hpp> - -namespace boost -{ - -namespace detail -{ - -class sp_counted_base -{ -private: - - sp_counted_base( sp_counted_base const & ); - sp_counted_base & operator= ( sp_counted_base const & ); - - long use_count_; // #shared - long weak_count_; // #weak + (#shared != 0) - -public: - - sp_counted_base(): use_count_( 1 ), weak_count_( 1 ) - { - } - - virtual ~sp_counted_base() // nothrow - { - } - - // dispose() is called when use_count_ drops to zero, to release - // the resources managed by *this. - - virtual void dispose() = 0; // nothrow - - // destroy() is called when weak_count_ drops to zero. - - virtual void destroy() // nothrow - { - delete this; - } - - virtual void * get_deleter( sp_typeinfo const & ti ) = 0; - - void add_ref_copy() - { - BOOST_INTERLOCKED_INCREMENT( &use_count_ ); - } - - bool add_ref_lock() // true on success - { - for( ;; ) - { - long tmp = static_cast< long const volatile& >( use_count_ ); - if( tmp == 0 ) return false; - -#if defined( BOOST_MSVC ) && BOOST_WORKAROUND( BOOST_MSVC, == 1200 ) - - // work around a code generation bug - - long tmp2 = tmp + 1; - if( BOOST_INTERLOCKED_COMPARE_EXCHANGE( &use_count_, tmp2, tmp ) == tmp2 - 1 ) return true; - -#else - - if( BOOST_INTERLOCKED_COMPARE_EXCHANGE( &use_count_, tmp + 1, tmp ) == tmp ) return true; - -#endif - } - } - - void release() // nothrow - { - if( BOOST_INTERLOCKED_DECREMENT( &use_count_ ) == 0 ) - { - dispose(); - weak_release(); - } - } - - void weak_add_ref() // nothrow - { - BOOST_INTERLOCKED_INCREMENT( &weak_count_ ); - } - - void weak_release() // nothrow - { - if( BOOST_INTERLOCKED_DECREMENT( &weak_count_ ) == 0 ) - { - destroy(); - } - } - - long use_count() const // nothrow - { - return static_cast<long const volatile &>( use_count_ ); - } -}; - -} // namespace detail - -} // namespace boost - -#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_W32_HPP_INCLUDED |