FM / detail

/usr/include/boost/smart_ptr/detail

Name	Size	Mode	Actions
atomic_count.hpp	3232	0644	edit dl rm
atomic_count_gcc.hpp	1623	0644	edit dl rm
atomic_count_gcc_atomic.hpp	1277	0644	edit dl rm
atomic_count_gcc_x86.hpp	1739	0644	edit dl rm
atomic_count_nt.hpp	1200	0644	edit dl rm
atomic_count_pt.hpp	2060	0644	edit dl rm
atomic_count_spin.hpp	1306	0644	edit dl rm
atomic_count_std_atomic.hpp	1349	0644	edit dl rm
atomic_count_sync.hpp	1435	0644	edit dl rm
atomic_count_win32.hpp	1354	0644	edit dl rm
lightweight_mutex.hpp	1257	0644	edit dl rm
lightweight_thread.hpp	3442	0644	edit dl rm
local_counted_base.hpp	3217	0644	edit dl rm
local_sp_deleter.hpp	1731	0644	edit dl rm
lwm_pthreads.hpp	1753	0644	edit dl rm
lwm_std_mutex.hpp	1077	0644	edit dl rm
lwm_win32_cs.hpp	2796	0644	edit dl rm
operator_bool.hpp	1731	0644	edit dl rm
quick_allocator.hpp	5137	0644	edit dl rm
shared_count.hpp	15367	0644	edit dl rm
spinlock.hpp	1863	0644	edit dl rm
spinlock_gcc_arm.hpp	2701	0644	edit dl rm
spinlock_gcc_atomic.hpp	1519	0644	edit dl rm
spinlock_nt.hpp	1626	0644	edit dl rm
spinlock_pool.hpp	2954	0644	edit dl rm
spinlock_pt.hpp	1474	0644	edit dl rm
spinlock_std_atomic.hpp	1723	0644	edit dl rm
spinlock_sync.hpp	1644	0644	edit dl rm
spinlock_w32.hpp	2104	0644	edit dl rm
sp_convertible.hpp	2157	0644	edit dl rm
sp_counted_base.hpp	3480	0644	edit dl rm
sp_counted_base_acc_ia64.hpp	3498	0644	edit dl rm
sp_counted_base_aix.hpp	3270	0644	edit dl rm
sp_counted_base_cw_ppc.hpp	3426	0644	edit dl rm
sp_counted_base_gcc_atomic.hpp	3331	0644	edit dl rm
sp_counted_base_gcc_ia64.hpp	4010	0644	edit dl rm
sp_counted_base_gcc_mips.hpp	4097	0644	edit dl rm
sp_counted_base_gcc_ppc.hpp	3877	0644	edit dl rm
sp_counted_base_gcc_sparc.hpp	3850	0644	edit dl rm
sp_counted_base_gcc_x86.hpp	3936	0644	edit dl rm
sp_counted_base_nt.hpp	2733	0644	edit dl rm
sp_counted_base_pt.hpp	3726	0644	edit dl rm
sp_counted_base_snc_ps3.hpp	3776	0644	edit dl rm
sp_counted_base_spin.hpp	3073	0644	edit dl rm
sp_counted_base_std_atomic.hpp	3557	0644	edit dl rm
sp_counted_base_sync.hpp	3326	0644	edit dl rm
sp_counted_base_vacpp_ppc.hpp	3697	0644	edit dl rm
sp_counted_base_w32.hpp	3264	0644	edit dl rm
sp_counted_impl.hpp	6808	0644	edit dl rm
sp_disable_deprecated.hpp	983	0644	edit dl rm
sp_forward.hpp	1180	0644	edit dl rm
sp_has_gcc_intrinsics.hpp	786	0644	edit dl rm
sp_has_sync_intrinsics.hpp	1872	0644	edit dl rm
sp_interlocked.hpp	6567	0644	edit dl rm
sp_noexcept.hpp	1185	0644	edit dl rm
sp_nullptr_t.hpp	976	0644	edit dl rm
sp_obsolete.hpp	914	0644	edit dl rm
sp_thread_pause.hpp	1101	0644	edit dl rm
sp_thread_sleep.hpp	2016	0644	edit dl rm
sp_thread_yield.hpp	1883	0644	edit dl rm
sp_typeinfo_.hpp	1176	0644	edit dl rm
sp_win32_sleep.hpp	1168	0644	edit dl rm
yield_k.hpp	1091	0644	edit dl rm

Edit: /usr/include/boost/smart_ptr/detail/sp_counted_base_gcc_ia64.hpp (4010B)

#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_IA64_HPP_INCLUDED
#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_IA64_HPP_INCLUDED

//
//  detail/sp_counted_base_gcc_ia64.hpp - g++ on IA64
//
//  Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
//  Copyright 2004-2006 Peter Dimov
//  Copyright 2005 Ben Hutchings
//
//  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 <boost/smart_ptr/detail/sp_typeinfo_.hpp>
#include <boost/smart_ptr/detail/sp_obsolete.hpp>
#include <boost/config.hpp>

#if defined(BOOST_SP_REPORT_IMPLEMENTATION)

#include <boost/config/pragma_message.hpp>
BOOST_PRAGMA_MESSAGE("Using g++/IA64 sp_counted_base")

#endif

BOOST_SP_OBSOLETE()

namespace boost
{

namespace detail
{

inline void atomic_increment( int * pw )
{
    // ++*pw;

int tmp;

// No barrier is required here but fetchadd always has an acquire or
    // release barrier associated with it.  We choose release as it should be
    // cheaper.
    __asm__ ("fetchadd4.rel %0=%1,1" :
         "=r"(tmp), "=m"(*pw) :
         "m"( *pw ));
}

inline int atomic_decrement( int * pw )
{
    // return --*pw;

int rv;

__asm__ ("     fetchadd4.rel %0=%1,-1 ;; \n"
             "     cmp.eq        p7,p0=1,%0 ;; \n"
             "(p7) ld4.acq       %0=%1    " :
             "=&r"(rv), "=m"(*pw) :
             "m"( *pw ) :
             "p7");

return rv;
}

inline int atomic_conditional_increment( int * pw )
{
    // if( *pw != 0 ) ++*pw;
    // return *pw;

int rv, tmp, tmp2;

__asm__ ("0:   ld4          %0=%3           ;; \n"
         "     cmp.eq       p7,p0=0,%0        ;; \n"
         "(p7) br.cond.spnt 1f                \n"
         "     mov          ar.ccv=%0         \n"
         "     add          %1=1,%0           ;; \n"
         "     cmpxchg4.acq %2=%3,%1,ar.ccv ;; \n"
         "     cmp.ne       p7,p0=%0,%2       ;; \n"
         "(p7) br.cond.spnt 0b                \n"
         "     mov          %0=%1             ;; \n"
         "1:" : 
         "=&r"(rv), "=&r"(tmp), "=&r"(tmp2), "=m"(*pw) :
         "m"( *pw ) :
         "ar.ccv", "p7");

return rv;
}

class BOOST_SYMBOL_VISIBLE 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_local_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 boost

#endif  // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_IA64_HPP_INCLUDED

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