Re: [Boost-bugs] [Boost C++ Libraries] #6308: Add sp_counted_base_aix.hpp using AIX atomic operations

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #6308: Add sp_counted_base_aix.hpp using AIX atomic operations
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2011-12-22 22:12:24

#6308: Add sp_counted_base_aix.hpp using AIX atomic operations
-----------------------------------------+----------------------------------
  Reporter:  aaron.riekenberg@…          |       Owner:  pdimov      
      Type:  Feature Requests            |      Status:  reopened    
 Milestone:  To Be Determined            |   Component:  smart_ptr   
   Version:  Boost 1.48.0                |    Severity:  Optimization
Resolution:                              |    Keywords:              
-----------------------------------------+----------------------------------

Comment (by pdimov):

 If fetch_and_add doesn't contain any memory barriers, a trailing isync is
 not enough, we need a leading (lw)sync as well. See
 sp_counted_base_gcc_ppc.hpp. Does AIX only work on PPC?

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/6308#comment:4>
Boost C++ Libraries <http://www.boost.org/>
Boost provides free peer-reviewed portable C++ source libraries.