[GHC] #724: tee complains if used in a process started by ghc

[Simon Marlow]

GHC wrote:
> #724: tee complains if used in a process started by ghc
> -------------------------------+--------------------------------------------
>   Reporter:  guest             |          Owner:         
>       Type:  bug               |         Status:  new    
>   Priority:  normal            |      Milestone:  6.8    
>  Component:  libraries/base    |        Version:  6.4.1  
>   Severity:  normal            |     Resolution:         
>   Keywords:                    |             Os:  Unknown
> Difficulty:  Moderate (1 day)  |   Architecture:  Unknown
> -------------------------------+--------------------------------------------
> Changes (by igloo):
> 
>   * milestone:  6.6 => 6.8

we might be able to get this into 6.6.1, it doesn't involve any API changes 
(well, perhaps strictly speaking there would be a change in that the std file 
descriptors wouldn't be set to O_NONBLOCK, but I doubt that would affect anyone 
adversely).

Cheers,
	Simon