Re: [Boost-users] [thread] Priority?

From: Jeff Garland (jeff_at_[hidden])
Date: 2008-03-10 12:26:07

Anteru wrote:
> Howard Hinnant schrieb:
>> I can answer the std::part.  I attempted to introduce a fairly  
>> rudimentary priority system into the std::thread proposal and it ended  
>> up being sufficiently controversial that I pulled it in order to get  
>> the std::thread proposal to advance.  It is my hope (as a fallback  
>> position) that the "native_handle" interface will allow one to adjust  
>> thread priorities, albeit in a non-portable fashion.
> 
> Is it likely Boost::Thread will get some support for this anytime soon? 
> This "no-priority" thing is also keeping me back from switching some 
> stuff over to Boost, as I wonder how you are supposed to spawn of a 
> background-idle thread without priorities. The only cross-platform 
> library that supports it is AFAIK Qt -- see 
> http://doc.trolltech.com/4.4beta/qthread.html#start, which is quite handy.

Actually ACE also supports thread priorities in a cross-platform fashion -- 
see the spawn method:

http://www.dre.vanderbilt.edu/Doxygen/Stable/ace/classACE__Thread__Manager.html

There's a change to boost.thread on the development branch somewhere to 
support priority that never got included on boost.thread once Bill K abandoned 
the project.  You might go look for that in SVN and pull it into your version.

Jeff