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Diffstat (limited to '3rdParty/Boost/boost/smart_ptr/detail/sp_counted_base_gcc_x86.hpp')
m---------3rdParty/Boost0
-rw-r--r--3rdParty/Boost/boost/smart_ptr/detail/sp_counted_base_gcc_x86.hpp173
2 files changed, 0 insertions, 173 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_gcc_x86.hpp b/3rdParty/Boost/boost/smart_ptr/detail/sp_counted_base_gcc_x86.hpp
deleted file mode 100644
index 4d7fa8d..0000000
--- a/3rdParty/Boost/boost/smart_ptr/detail/sp_counted_base_gcc_x86.hpp
+++ /dev/null
@@ -1,173 +0,0 @@
-#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_X86_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_X86_HPP_INCLUDED
-
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-//
-// detail/sp_counted_base_gcc_x86.hpp - g++ on 486+ or AMD64
-//
-// 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/sp_typeinfo.hpp>
-
-namespace boost
-{
-
-namespace detail
-{
-
-inline int atomic_exchange_and_add( int * pw, int dv )
-{
- // int r = *pw;
- // *pw += dv;
- // return r;
-
- int r;
-
- __asm__ __volatile__
- (
- "lock\n\t"
- "xadd %1, %0":
- "=m"( *pw ), "=r"( r ): // outputs (%0, %1)
- "m"( *pw ), "1"( dv ): // inputs (%2, %3 == %1)
- "memory", "cc" // clobbers
- );
-
- return r;
-}
-
-inline void atomic_increment( int * pw )
-{
- //atomic_exchange_and_add( pw, 1 );
-
- __asm__
- (
- "lock\n\t"
- "incl %0":
- "=m"( *pw ): // output (%0)
- "m"( *pw ): // input (%1)
- "cc" // clobbers
- );
-}
-
-inline int atomic_conditional_increment( int * pw )
-{
- // int rv = *pw;
- // if( rv != 0 ) ++*pw;
- // return rv;
-
- int rv, tmp;
-
- __asm__
- (
- "movl %0, %%eax\n\t"
- "0:\n\t"
- "test %%eax, %%eax\n\t"
- "je 1f\n\t"
- "movl %%eax, %2\n\t"
- "incl %2\n\t"
- "lock\n\t"
- "cmpxchgl %2, %0\n\t"
- "jne 0b\n\t"
- "1:":
- "=m"( *pw ), "=&a"( rv ), "=&r"( tmp ): // outputs (%0, %1, %2)
- "m"( *pw ): // input (%3)
- "cc" // clobbers
- );
-
- return rv;
-}
-
-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;
-
- 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_exchange_and_add( &use_count_, -1 ) == 1 )
- {
- dispose();
- weak_release();
- }
- }
-
- void weak_add_ref() // nothrow
- {
- atomic_increment( &weak_count_ );
- }
-
- void weak_release() // nothrow
- {
- if( atomic_exchange_and_add( &weak_count_, -1 ) == 1 )
- {
- destroy();
- }
- }
-
- long use_count() const // nothrow
- {
- return static_cast<int const volatile &>( use_count_ );
- }
-};
-
-} // namespace detail
-
-} // namespace boost
-
-#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_X86_HPP_INCLUDED