id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,os,architecture,failure,difficulty,testcase,blockedby,blocking,related
3210,Allow programs to change the number of capabilities,NeilMitchell,,"It would be useful for a program to choose the number of capabilities it has, perhaps in response to a flag. i.e. I'd like users to type {{{hlint -j3}}} rather than {{{hlint +RTS -N3}}}.

To support this change one option would be to allow increasing the number of capabilities after a program has started. Another option would be to provide a primitive {{{restartWithCapabilities :: Int ->  IO ()}}} that aborted the program, and restarted {{{main}}} but with the required settings.

Using RTS flags is unsuitable for people who use Haskell programs but aren't really Haskell developers. As more programs go multi-core, this feature will probably become more desirable. However, it's not too important and can always be solved by a little shell script.",feature request,closed,low,7.4.1,Compiler,6.10.2,fixed,,ndmitchell@… shelarcy@…,Unknown/Multiple,Unknown/Multiple,None/Unknown,Unknown,,,,