Re: [Boost-bugs] [Boost C++ Libraries] #6342: c++11 compliance: Adapt the one_flag and call_once to the c++11 interface

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #6342: c++11 compliance: Adapt the one_flag and call_once to the c++11 interface
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2012-04-03 06:05:43

#6342: c++11 compliance:  Adapt the one_flag and call_once to the c++11 interface
-------------------------------+--------------------------------------------
  Reporter:  viboes            |       Owner:  viboes 
      Type:  Feature Requests  |      Status:  new    
 Milestone:  To Be Determined  |   Component:  thread 
   Version:  Boost 1.48.0      |    Severity:  Problem
Resolution:                    |    Keywords:         
-------------------------------+--------------------------------------------
Description changed by viboes:

Old description:

> The current implementation is doesn't complies completely with c++11
> standard 30.4.4    Call once.

New description:

 The current implementation is doesn't complies completely with c++11
 standard 30.4.4    Call once.


 {{{
 struct once_flag {
   constexpr once_flag() noexcept;
   once_flag(const once_flag&) = delete;
   once_flag& operator=(const once_flag&) = delete;
 };
 }}}

 E.g.

 {{{
 boost::once_flag once;
 }}}

 fails

 and needs

 boost::once_flag once=BOOST_ONCE_INIT;

 In addition one_flag in not copyable.

--
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Ticket URL: <https://svn.boost.org/trac/boost/ticket/6342#comment:1>
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