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-rw-r--r--cutl/details/boost/smart_ptr/detail/sp_counted_base_acc_ia64.hpp151
1 files changed, 0 insertions, 151 deletions
diff --git a/cutl/details/boost/smart_ptr/detail/sp_counted_base_acc_ia64.hpp b/cutl/details/boost/smart_ptr/detail/sp_counted_base_acc_ia64.hpp
deleted file mode 100644
index 6b3b551..0000000
--- a/cutl/details/boost/smart_ptr/detail/sp_counted_base_acc_ia64.hpp
+++ /dev/null
@@ -1,151 +0,0 @@
-#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_ACC_IA64_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_ACC_IA64_HPP_INCLUDED
-
-//
-// detail/sp_counted_base_acc_ia64.hpp - aC++ on HP-UX IA64
-//
-// Copyright 2007 Baruch Zilber
-// Copyright 2007 Boris Gubenko
-//
-// 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
-//
-
-#include <cutl/details/boost/detail/sp_typeinfo.hpp>
-#include <machine/sys/inline.h>
-
-namespace cutl_details_boost
-{
-
-namespace detail
-{
-
-inline void atomic_increment( int * pw )
-{
- // ++*pw;
-
- _Asm_fetchadd(_FASZ_W, _SEM_REL, pw, +1, _LDHINT_NONE);
-}
-
-inline int atomic_decrement( int * pw )
-{
- // return --*pw;
-
- int r = static_cast<int>(_Asm_fetchadd(_FASZ_W, _SEM_REL, pw, -1, _LDHINT_NONE));
- if (1 == r)
- {
- _Asm_mf();
- }
-
- return r - 1;
-}
-
-inline int atomic_conditional_increment( int * pw )
-{
- // if( *pw != 0 ) ++*pw;
- // return *pw;
-
- int v = *pw;
-
- for (;;)
- {
- if (0 == v)
- {
- return 0;
- }
-
- _Asm_mov_to_ar(_AREG_CCV,
- v,
- (_UP_CALL_FENCE | _UP_SYS_FENCE | _DOWN_CALL_FENCE | _DOWN_SYS_FENCE));
- int r = static_cast<int>(_Asm_cmpxchg(_SZ_W, _SEM_ACQ, pw, v + 1, _LDHINT_NONE));
- if (r == v)
- {
- return r + 1;
- }
-
- v = r;
- }
-}
-
-class sp_counted_base
-{
-private:
-
- sp_counted_base( sp_counted_base const & );
- sp_counted_base & operator= ( sp_counted_base const & );
-
- int use_count_; // #shared
- int 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;
- virtual void * get_untyped_deleter() = 0;
-
- void add_ref_copy()
- {
- atomic_increment( &use_count_ );
- }
-
- bool add_ref_lock() // true on success
- {
- return atomic_conditional_increment( &use_count_ ) != 0;
- }
-
- void release() // nothrow
- {
- if( atomic_decrement( &use_count_ ) == 0 )
- {
- dispose();
- weak_release();
- }
- }
-
- void weak_add_ref() // nothrow
- {
- atomic_increment( &weak_count_ );
- }
-
- void weak_release() // nothrow
- {
- if( atomic_decrement( &weak_count_ ) == 0 )
- {
- destroy();
- }
- }
-
- long use_count() const // nothrow
- {
- return static_cast<int const volatile &>( use_count_ ); // TODO use ld.acq here
- }
-};
-
-} // namespace detail
-
-} // namespace cutl_details_boost
-
-#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_ACC_IA64_HPP_INCLUDED