Patch to add process group support

[Hamish Mackenzie]

On 20 Apr 2010, at 00:57, Simon Marlow wrote:
> My thoughts on the changes:
> 
> - yes to adding new_group to the CreateProcess record, and
>   corresponding support to System.Process.Internals
> 
> - no to adding runCommandNewGroup, and the other *NewGroup
>   functions.  These were kept mostly for backwards compatibility
>   anyway, the new API is createProcess, shell, proc, readProcess.
>   I don't think people need new_group often enough to provide
>   canned variants of runCommand etc. for it.


I have revised the patch and the description accordingly and submitted it here...
http://hackage.haskell.org/trac/ghc/ticket/3994

Hamish